Biology General MCQs The Most Important Set 6

Biology General topic based MCQs preparation test for all competitive exam. Biology General Set# 6, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.

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1 - Retrovirus belongs to which order?

Ortervirales

2 - Retrovirus have family

retroviridae

3 - The phylum of Retrovirus is:

Artverviricota

4 - The Retrovirus belongs to which kingdom?

Paranavirae

5 - Viruses mostly spread in plants by:

a&b both

6 - The type of disease in which infection occur on the stem and leaves of plants is called:

Yellow disease of potato

7 - Potato bunchy top disease is caused by:

Viroid

8 - Which virus attack on cotton plants?

LCV

9 - In pakistan LCV spread in cotton by......

White fly

10 - The name of white fly through which LCV spread.....

Bemisia tabaci

11 - The number of capsomeres present in Herpes virus are......

162

12 - The virus which causes AIDs was named HIV in.....

1986

13 - HIV viruses penetrate into ....... of human body.

WBCs

14 - The genus of TMV is.....

Alsuviricetes

15 - The TMV belong to ......class.

Alsuviricetes

16 - The TMV belongs to which family?

Virgaviricetes

17 - TMV realm is?

Riboviria

18 - The TMV belongs to...... order.

Martellivirales

19 - The kingdom of TMV is

Orthonavirae

20 - The class of Retrovirus is:

Retraviricetes

21 - Capsomeres of capsid are closely attached with:

nucleic acid

22 - The shape of capsid of viruses are :

a and b both

23 - Which of following component protect nucleic acid of virus from digestion by enzyme of host?

Capsid

24 - Virion attach to host cell with the help of its:

Capsid

25 - Protein provide protection to the virus with the help of

capsid

26 - Virus penetrate into the host with the help of its:

Proteins

27 - Which of following is present in liquid suspension of proteins?

Viral RNA

28 - Many type of viruses have a envelope composed of:

Glycoprotien

29 - The viruses which have envelope of glycoprotien are called:

Enveloped viruses

30 - Peplovirles have only one family and that is called:

Herpesvirdae

31 - DNA containing binal virus is called:

Deoxybinala

32 - Deoxybinala have virus order?

One

33 - Deoxybinala have single virus order name is:

Herpesvirdae

34 - Deoxybinala have which family?

Phagoviriclae

35 - The subphylum of virus which contain RNA core is:

Ribovira

36 - Ribovira have how many orders?

Two

37 - Which type of enevelop is present in Rhabdovirales?

Without envelope

38 - Rhabdovirales have how many families?

Six

39 - The Sagovirales are with:

Without envelope

40 - A capsid of virus is composed of:

Protein

41 - Which of following particle is present inside the capsid?

Nucleic acid

42 - Nucleocapsid is the term used for:

Viruses

43 - The proteins subunits of capsid are called:

Capsomeres

44 - Numbers of capsomeres in different viruses are:

Different

45 - Tobacco mosaic virus have which of following capsid shape?

Rod

46 - The range of protein molecules in capsid of viruses is upto:

Thousands

47 - Which of following virus affects the respiratory tract of animals?

Adenovirus

48 - How many capsomers are present in adenoviruses?

252

49 - The shape of adenoviruse is:

Polyhedral

50 - Which of following is helical symmetry virus?

deooxyhelica

51 - Deoxyhelica have which order?

Chaetovirals

52 - Deoxyhelica have only a single family called:

Poxvirindae

53 - DNA virus which contains cubical symmetry is called:

Deoxycubica

54 - Deoxycubica have following these orders?

Two

55 - The order of deoxycubica is called:

a&b both

56 - Which of following is non-enveloped virus?

Haplovirales

57 - Which of followings are enveloped viruses?

Peplovirles

58 - Haplovirales have how many families?

Six

59 - Peplovirles have how many families?

Two

60 - Which of following phage is mainly used in phage studies:

A&B both

61 - Structure of T4 is studied by:

Electron microscope

62 - The volume of phage about the host is:

1/1000

63 - The structure of phage virus includes:

a&b both

64 - The shape of head of phage virus is:

Elongated

65 - Phage virus have many different shapes:

All

66 - Tail of phage virus attach with

Head

67 - Tail has which of structure:

Complex

68 - The protein which form inner tube of phage is called:

Core

69 - Nucleic acid of each virus contains:

Genetic information

70 - How many types of RNA based viruses?

two

71 - Mostly genomic RNA strand is called:

Plus strand

72 - Plus strand of RNA acts as:

Messenger RNA

73 - Translation of viral protein takes place by:

Messenger RNA

74 - How many viruses contain negative strand of DNA?

Few

75 - The type of mRNA which leave the nucleus and move to cytoplasm where protien synthesis occur is:

complementary messenger RNA

76 - How many viruses are included in phyla?

None

77 - The category which includes viruses with DNA core are:

Deoxyvira

78 - Deoxyvira have how many classes?

Three

79 - The process in which Viral DNA detaches itself from the bacterial chromosome and start lytic cycle is:

Induction

80 - Some viruses stimulate the lysosome of host cell to produce:

Hydrolytic enzyme

81 - Which enzyme causes the brusting of bacterial host cell?

Hydrolytic enzyme

82 - Immune system of host is destroyed by which viruses?

HIV

83 - AIDS is a disease caused by

HIV

84 - HIV affects on..... of human body.

T Lymphocytes

85 - Which is major component of immune system ?

Granulocytes

86 - When HIV affect the immune system then the number of T lymphocytes:

Decrease

87 - Which is host specific virus?

HIV

88 - Small pox occurred as epidemic in which country?

China

89 - Meredith was awarded the noble prize in chemistry in.....

1946

90 - First electron microscopical observations on TMV took place in ....

1939

91 - Rosalind Franklin was

Crystallographer

92 - Rosalind Franklin designed and built up TMV in......

1958

93 - According to Rosalind Franklin virus is not solid and......

Hollow

94 - The RNA of TMV is......

Single stranded

95 - The appearance of TMV is....

Rod like

96 - The length of TMV is......

300nm

97 - The diameter of TMV is.......

18nm

98 - Electron microphotographs show the negative strand has distinct channel with diameter of.....

4nm

99 - The viruses which have no envelop derived from hosts:

Non enveloped viruses

100 - The enevelop of viruses are composed of:

Glycoprotein

101 - The envelope of viruses are composed of lipids layers:

two

102 - Viruses develop on their surface:

Spikes

103 - Spikes of viruses are made up of:

Glycoprotien

104 - All plants viruses are used to with:

Without envelop

105 - Smaller viruses have number of genes:

four

106 - The virion with single copy of gene is:

Haploid

107 - The virion with double copy of gene is:

Diploid

108 - The retrovirus which contain two identical RNA strands are called:

Diploid

109 - The virus which causes Small Pox is:

Pox virus

110 - The size of parvoviruses is:

20nm

111 - Parvoviruses causes disease called:

Chronic anaemia

112 - How many times viruses are smaller than bacteria?

10 to 1000

113 - Which of following particles can pass through filter paper:

Viruses

114 - Which of following can't grow on artificial media or inside test tubes?

Virus

115 - Virus can reproduce only inside the:

All

116 - Those organisms which cannot be seen by naked eye are:

Microorganism

117 - The process in which viruses increase it's generation is:

Replication

118 - Viruses are obligate intracellular:

Parasites

119 - The phylum of aphid is...

Arthropoda

120 - Aphids belongs to super family called...

Aphidoidea

121 - The kingdom of aphid is....

Animalia

122 - The type of nucleic acid that is genetic material determining the makeup of all living cells is called.....

DNA

123 - DNA is present in......

Cell nucleus

124 - Influenza viruses have how many types?

Four

125 - The structure of Influenza virus is....

Helical

126 - The outer layer of Influenza virus is made up of.....

Lipids

127 - The condition in which lysogenic cycle is converted into lytic cycle is called....

Induction

128 - Lock and key analogy was first postulated in.....

1894

129 - In Lock and Key model lock is the

Enzyme

130 - In Lock and Key model key is the.....

Substrate

131 - A small particle which can not produce itself is......

Virus

132 - Viruses are classified into....... groups.

Four

133 - Viruses are classified into different groups on the basis of......

Shape

134 - The types of cells or organisms which have equal dimensions are......

Isometric

135 - Enzyme which naturally occur in tears is......

Lysozyme

136 - The enzyme which is present in saliva....

Lysozyme

137 - The naturally occurring enzyme in milk is......

Lysozyme

138 - The enzyme which cleave the peptidoglycan component of bacterial cell walls is called...

Lysozyme

139 - Capsid of TMV is made of ........ molecules of protien.

2130

140 - The protein monomer contain........amino acids.

158

141 - RNA nucleotides per protien

three

142 - The scientific name of potato is....

Solanum tubersum

143 - The kingdom of potato is.....

Plantae

144 - Potato belongs to which order?

Solanales

145 - The family of potato is...

Solanceae

146 - The genus name of potato is.....

solanum

147 - Which is the family of cotton?

Malvaceae

148 - Most of the viruses are transmitted by.....

White fly

149 - Those viruses which infect only a limited range of hosts are called:

Host range

150 - Viruses identify their host by:

Lock and Key

151 - Viruses are covered by which coat?

Proteins

152 - The virus which infect several types of host is:

Ribies

153 - Some viruses infect only single host are called:

Phage viruses

154 - The type of Phage virus which infects only bacteria:

E.coli

155 - First step of infection of virus is :

Penetration

156 - The tail of Phage virus haa special enzyme called:

Lysozyme

157 - The spontaneous process in which viruses are converted and produce new copies of viruses is called :

Self assembly

158 - Which of following parts of TMV can be separated in the laboratory:

a and b both

159 - In tail of phage virus the core protein is enclosed in:

Sheath

160 - One side of sheath of phage has:

Collar

161 - Another side of sheath has other than collar is:

Base plate

162 - How many tails attach with end plate?

Six

163 - Phage virus replicate only in host:

Inside

164 - The viral DNA start controlling the biosynthetic machinery of host after:

Multiplication

165 - The number of copies formed during multiplication process in every 25 minutes are:

200

166 - In which cycle phage does not destroy the bacterial host?

Lysogenic cycle

167 - In which cycle phage can not take control biosynthetic machinery of bacteria?

Lysogenic cycle

168 - The state in which viral DNA is incorporated in bacterial chromosomes is:

Lysogeny

169 - Phage virus have how many cycles?

Two

170 - The cycle in which bacteria brusts and produces large number of phage is called :

Lytic cycle

171 - The cycle in which phage becomes part of bacterial chromosomes and replicate with the replication of bacteria is:

Lysogenic cycle

172 - Viral DNA incorporate in bacterial DNA as:

Prophage

173 - Species of viruses which live in animals and spend decades without infection:

Herpes virus

174 - Most plant viruses contains...... as nucleic acid:

RNA

175 - How many types of method of infection of plant viruses?

Two

176 - The type of infection start from outside of plants and spread from leave to leave is called:

Horizontal transmission

177 - Viruses transferred from one plant to another plant by asexual propagation called:

Vertical transmission

178 - Virus infects the plants seeds by process called:

Vertical transmission

179 - The incubation period of measles is.....

11 to 12 days

180 - In measles rashes remain on skin for... ......

7 to 21 days

181 - The last known case of small pox was occurred in......

1977

182 - The average length of small pox virus is....

10 to 14 days

183 - The first case of corona virus was notified in.....

China

184 - In...... first case of corona virus was identified in China.

November

185 - Corona is the latin word meaning of which is...

Crown

186 - Corona virus contains the...

Positive stranded RNA

187 - The scientific name of Aphids is...

Aphidoidea

188 - Aphids belongs to which order?

Hemiptera

189 - Louis pasteur was died in which year?

1875

190 - Robert koch was born in

1843

191 - Robert koch was died in......

1910

192 - The branch of biology which deals with the study of viruses is called.....

Virology

193 - The term "vaccine" was described by...

Edward Jenner

194 - The boy who vaccinated by Edward Jenner was..... old.

8

195 - Edward jenner vaccinated the boy in ......

1796

196 - Filterable agents were first purified in

1935

197 - In........ ultramicroscopic agents were seen in foot and mouth disease.

1898

198 - Yellow fever was diagnosed in......

1901

199 - Some normal cells can be converted into cancer cell by

Viruses

200 - RNA Tumor viruses are:

Oncoviruses

201 - The diameter of oncoviruses diameter is:

100nm

202 - The shape of oncoviruses shape is:

Spherical

203 - Oncoviruses are enveloped by:

Plasma membrane of host

204 - The tumors are produced in animals by which type of viruses?

HIV

205 - Retroviruses are the type of viruses which produce tumors in?

All

206 - The most familiar viruses in human is:

HIV

207 - HIV cause the disease called:

AIDS

208 - Acquired immune deficiency syndrome is written as:

AIDS

209 - An obligate interacellular parasite can not live without its:

Host

210 - Metabolic machinery is not present in:

Viruses

211 - Which of following is not a part of viruses?

Carbohydrates

212 - Which of following microoganisms cannot synthesized their own nucleic acids and proteins?

Viruses

213 - All of these organisms can store energy in the form of ATP except:

Viruses

214 - Viruses derive their energy from their:

Hosts

215 - The general structure of virus is called:

Virion

216 - Viruses are composed of:

a&b both

217 - Viruses are also called generally:

Nucleocapsid

218 - Some viruses are covered by extra membranes from their host called:

Enveloped Viruses

219 - Small pox epidemic spread in....... century

12th

220 - Fluid filled vesicles are formed on body in which disease?

small pox

221 - In small pox fluid filled vesicles are formed on body and then convert into pitted scars called:

Pocks

222 - Immunization and other control measures has largely decreased in small pox in..... year.

1950s

223 - In....... third world countries many people affected by small pox.

1980s

224 - Small pox has been eradicated from the world as declared by.......

WHO

225 - Vascular lesions in epithelial layer of ectodermal tissues are formed in:

Herpes simplex

226 - Disease occurred in mouth and other skin site and caused by virus is:

Herpes simplex

227 - Influenza viruses are enveloped viruses which contains...... as genetic material.

RNA

228 - Wide spread disease in man and occurs in epidemic form

Influenza

229 - After replication, TMV enters into neighbouring cells through.....

Plasmodesmata

230 - The TMV produces a movement protien is.....

p30

231 - The TMV moves from cell to cell by using the complex of......

All

232 - First evidence that the non bacterial disease by

Dimitri lvanovski

233 - The Sap of plants remained infected by virus was found in.....

1892

234 - Filtered through the bacterial tissue still conatined the infection by

martinus beijerinck

235 - Martinus beijerinck first discovered the filterable agents in... ....

1898

236 - Who crystallized the virus?

Meredith Stanley

237 - In...... Meredith stanley crystallized the virus.

1935

238 - Meredith was awarded the noble prize in......

Chemistry

239 - The disease in which thickning of sub veins in young leaves takes place is.....

LCV

240 - In LCV disease leaves of plants become....

Leathery

241 - Which of the following can destroy the complete crop of cotton?

LCV

242 - The diseases in which virus kills the leaves of plants by method of necrosis is.....

Necrotic disease

243 - Necrotic disease mostly occur in potato and....

Tomato

244 - The cause of tumors in tomatoes ,cucumber and tobacco plants ....

Virus

245 - The type of nucleic acid in TMV virus is ....

RNA

246 - TMV attack the tobacco plant and the family of.....

Solanaceae

247 - The kingdom of white fly is....

Animalia

248 - The phylum of white fly is.....

Arthropoda

249 - Sagovirales have how many families?

Three

250 - Which type of nucleic acid is present in Ribocubica virus?

RNA

251 - Gymnovirales are with:

Without envelope

252 - The families of Gymnovirales are :

Two

253 - Togovirales are used to with:

Enveloped

254 - Togovirales have how many families?

Single

255 - RNA virus in which RNA single strand converted into double stranded DNA is:

Retrovirus

256 - The enzymes of Retrovirus is called:

Reverse transcriptase

257 - RNA is converted into DNA with the help of:

Reverse transcriptase

258 - Virus is incorporated into host genome as:

Provirus

259 - The word Virus is derived from .....

venom

260 - The word "Venom" is derived from:

Latin

261 - Those entities which have either DNA or RNA and surrounded by a protien coat are:

Viruses

262 - The word "Venom" means:

Poisonous fluid

263 - Viruses use biosynthetic machinery of their particular:

Host

264 - The size of viruses is:

Small

265 - Viruses can be seen only by

Electron microscope

266 - The size of viruses is measured in:

nanometer

267 - One nanometer is equal to

10 power minus nine

268 - The size of Pox Virus is:

250nm

269 - Uric stones are combination of

uric acid and calcium oxalate

270 - The instrument which us used to generate waves in extracorporeal shock wave lithotripsy

lithotripter

271 - precutaneous nephro lithotripsy is a method for treatment

kidney stones

272 - Precutaneous nephro lithotripsy which wave are used

ultrasound

273 - Uric stones are normally in diameter

2 to 3 mm

274 - Branching kidney stone is called

staghorn stone

275 - The bacterail infection in the kidney is called

pyelonephritis

276 - cystitis is the infection in

bladder

277 - The condition of urinary tract unfection is ___ % more in females than male

0.5

278 - Almost all the urinary tract infections are caused by

bacteria

279 - Urine in bladder is controlled by the help of which muscles

sphincter muscles

280 - Functional unit of kidney is

nephron

281 - Nephrons in human kidney are arranged into regions

both a and b

282 - Nephrons wihic are present in cortex areal called

cortical

283 - Some nephrons are arranged along the border of cortex and medulla

juxtamedullary

284 - Which nephrons are specifically instrumental in the production of concentrated urine

juxtamedullary

285 - In each nephron inner end forms a cup shaped swelling known as

Bowman's capsule

286 - Ball of capillaries confined in Bowman's capsule

glomerulus

287 - Glomerulus arrives in the Bowman's capsule through

afferent arteriole

288 - Glomerulus leaves the Bowman's capsule through

efferent arteriole

289 - To adopt an environment animals usually posses changes

All

290 - Presence of sweat glands and lung is an example of which adoptation

structural

291 - layer of fatty acid behind the skin is

pelage

292 - In warmth animals dissipate excessive heat through

both a,b

293 - Basking in the sun to gain heat is an example of which type of adoptation

behavioral

294 - Mammals including human maintain their body temperature within a narrow range of

36 to 38°

295 - Marine animals dissipate Thier excess heat into warm sea by

large no of blood vessels in skin

296 - Temperature of human body is

37°

297 - In bacterial and viral infection which type of blood cells increase

leukocytes

298 - High temperature in fever stimulate the protective mechanism against

pathogens

299 - In high fever pathogens produce chemical which are called

pyrogens

300 - Animals use four physical processes to exchange heat with environment

All

301 - Direct heat transfer between molecules of environment and those onnthe body surface of animals is called

conduction

302 - When you sit on cold ground you lose heat ,this process of heat exchange is

conduction

303 - Heat exchange between the animal and environment through movement of air or liquid is called

convection

304 - Heat loss from a surface as water molecules escape in the form of a gas is known as

evaporation

305 - Sweat glands in animals are source of heat exchange thorugh

evaporation

306 - Transfer of heat between objects that are not in direct contact takes place through

Radiation

307 - Animals that obtain their body heat from cellular processes are

endothermic

308 - Temperate zone insects avoid freezing by

All

309 - Active uptake of sodium takes place in which part of nephron

ascending limb

310 - Which hormone is involved in the active uptake of sodium ions in ascending limb of loop of Henle

Aldosterone

311 - Aldosterone hormone is secreted by the

adrenal cortex

312 - Antidiuretic hormone is released from

anterior pituitary

313 - ADH released from posterior pituitary acts to actively transport water from filtrate to

kidney

314 - Kidney functions in

both b,c

315 - Production of varied concentration of urine depends upon

availability of water

316 - If Antidiuretic hormone in inhibited and not released then urine will be

dilute

317 - If ADH is realsed then urine will be

concentrated

318 - Stoney materials found in kidney usually cause

both a and b

319 - The autumn leaves which contain accumulated waste are known as

excretophores

320 - Some trees deposit strange chemicals in their branches and trunks especially in old xylem are known as

ebony

321 - Catabolism of amino acids produce

amino group

322 - Removal of amino group from amino acids is called

deamination

323 - Excess nitrogen in animals is mostly excreted in the form of

all

324 - In animals lower quantities of nitrogen is also excreted in the form of

all

325 - Hypoxanthine,allatonin,urea and ammonia are the metabolic products of

purines and pyrimidines

326 - About how much water is needed to remove 1 g of ammonia nitrogen

500 ml

327 - Urea requires how many ml of water for it's 1 gram removel

50ml

328 - Urea cycle is also known as

ornithine cycle

329 - Mesonephros give way during embryonic development to which type in adult birds and mammals

metanephros

330 - The highest number of blood filtering units are found in

metanphros

331 - Urea denatures the enzymes and inhibit proteins while TMAO goes reverse this reciprocity is termed as

counteracting osmolyte strategy

332 - Desert mammals secret which excretory product

urea

333 - Excretory product of marine birds is

uric acid

334 - Terrestrial birds excrete which excretory product

uric acid

335 - Major nitrogenous waste of Marine mammals is

urea

336 - Nitrogenois waste of amphibians is

both a,b

337 - In which animals urinary bladder works as reservoir for storage of water and ions

Amphibians

338 - Reptiles ,birds and mammals are adopted to retain water and excrete

both a,b

339 - The excretory organ in most cartilaginous fishes are

rectal glands

340 - Marine fishes get ride of excess slats in marine environment by

active transport

341 - Some fishes retain hypertonic internal environment by retaining

urea

342 - Urea is damaging in excess so some fishes also retain ___ for protection against urea

trimethylamine oxide

343 - Fresh water animals eØŒg protozoaØŒAmoeba pump out excess water with structure known as

contarctile vacuoles

344 - Many fresh water animals including fishes compensate loss of salts by

all

345 - Major problem of terrestrial life is

both a and b

346 - Desert animal which survives without water

kangaroo rat

347 - The condition of tolerating dehydration is known as

anhydrobiosis

348 - The elimination of wasteful metabolites ,mainly nitrogenous in nature is called as

excretion

349 - The kidney stones have specific

chemical nature

350 - Kidney stone usually formed due to

metabolic disease

351 - High level of circulating calcium in the blood is called

hypercalcemia

352 - Calcium oxalate stones are formed mainly due to

high level of oxalate

353 - High level of oxalate in blood usually cause

hyperoxaluria

354 - Oxaltes are found in

both B and C

355 - The incidence of calcium oxalate type stones are

0.7

356 - Calcium phosphate stones are mostly

0.15

357 - The incidence of uric acid stone are

0.1

358 - Kidney stones are formed due to the

precipitation of salts

359 - Which of the following major types of kidney stones

All

360 - In addition to osmoregulation kedneys also perform which functions

All

361 - Which hormone by the kidney regulates blood pressure

renin

362 - Anti diuretic hormone is also known as

vessopressin

363 - Humans secrete small quantities of uric acid which is formed by the breakdown of

nucliec acids

364 - Approximately how much gram of uric acid is secreted in urin per day in humans

1

365 - Terrestrial invertebrates and egg lying vertebrates are mostly

uricotellic

366 - Ureter is a tubular organ about how much cm is it long

25cm

367 - A convective tissu layer which surounds each kidney is

both a,b

368 - 70 to 80% nephrons in the human kidney are

cortical

369 - Some marine birds and reptiles get rid of excess salts through

salt glands

370 - Some marine reptiles and birds scerete excess salt through salt glands in the form of

tear like droplest

371 - In some marine reptiles and birds salt glands are present near

both a,b

372 - A major site of water loss in mammals is

lungs

373 - Human urine is how many times concentrated than plasma

four time

374 - A camals urine is how many times more concey than plasma

eight times

375 - The production of concentrated nitrogenous products enable the animals to live in

dry or desert

376 - Desert rat and mice has urine how many times concentrated than thier plasm

20 times

377 - Which part of nephron is impermiable to water

ascending limb

378 - As the filtrate moves towards the descending limb it becomes more

both a and c

379 - Animals inhabiting environment with acute water shortage excrete which watse

uruc acid

380 - Reptiles and birds living in arid environment are

uricotelic

381 - Animals excreting urea are called

ureotellic

382 - Animals excreting ammonia are called

ammonotelic

383 - Cnideria and hdrya excrete through

diffusion

384 - Flatworms excretory structures include

protonephridium

385 - Flame cells are found in

flatworms

386 - Excretory structures in earthworms are

metanephridum

387 - Nephrotome is ciliated opening of excretory system of which animals

earthworms

388 - Excretory structures of arthropods is

Malpighian tubules

389 - High temperature is maintained in thorax of some endothermic insects with help of

both a,b

390 - Sea ls and whales have thick layer of insulating fat known as

blubber

391 - Heat production through the action of hormones is which type of thermogenesis

non shivering

392 - When the body cools thyroid hormone secretes which hormone for the purpose of heat production

thyroxine

393 - Thyroxine increases the permiability of many cells to which ion

sodium ion

394 - Specialized type of fat found in new born mammals that live in cold climates is

brown fat

395 - Normal urine has PH range from

4.8 to 7.5

396 - The branch of medicine that deals with diseases and abnormalities of urinary tract

urology

397 - Urethritis is an infection of

urethera

398 - The condition of having stones in the kidney is termed as

nephrolithiasis

399 - The substances that increase the osmotic concentration of an animal's internal environment is called

none

400 - Osmoconformers are mostly _to their external environment

isotonic

401 - Hag fishes and elasmobranchs which are marine vertebrates constantly face which environment

hypertonic

402 - Tertebrates which are isotonic to the surrounding sea water are

hag fishes

403 - Detection of change and sending signals to effector's response to control system is

feed back mechanism

404 - Temperature regulated animals are

endotherms

405 - The mechanism which is controlled by the products of the reaction which it itself is controlling is called

feed back mechanism

406 - The most abundant solute in the cell is

water

407 - Which mechanism controls water concentration in cell

homeostasis

408 - Plants living in fresh water are called

hydrophytes

409 - Low temperature cause change in membrane by changing it from liquid to

solid

410 - Specialized type of cooling of respiratory tract in dogs is known as

panting

411 - Autumn fallen leaves are always useful for gardeners because they have

minerals

412 - Which one of the nitrogenous watse is least toxic

uric acid

413 - Which nitrogenous waste is the most toxic.

Ammonia

414 - Lack of antidiuretic hormone causes

diabetes insipidus

415 - Sebum gland play a role in

excretion

416 - In some active fishes core temperature is maintained above the water tempery such as

both a and b

417 - Fishes which maintain temperature above the water temperature usualy posses

rete mirabiles

418 - Perching dragonflies and butterflies regulate radiation by

postural adjustment

419 - Higher temperature usually cause

both a and c

420 - Molluscs possess which type of excretory system

metanephridia

421 - Most crustaceans that have gills ,nitrogenous wastes are removed by

simple diffusion

422 - Antennal Glands or green glands are the

excretory organs

423 - Antennal Glands or green glands are found in

cray fish

424 - In crabs and shrimps the excretory organ is called

maxillary gland

425 - Coxal glands are the excretory organs of which animals

all

426 - Kinds of kidney

All

427 - Which type of kidney is found only in the embroys of som vertebrates

pronephros

428 - Which type of kidney is the functional kidney of adult fishes and amphibians

mesonephros

429 - Human kidney is type of

metanephros

430 - Homeostatic mechanism operates just like

physical control system

431 - The mechanism of regulation of solute between organismnamd it's environment is ?

osmoregulation

432 - Osmoregulation is the condition of maintaining

solute and water

433 - Homeostasis means to keep

maintaining at specific range

434 - An external environment having less amount of solute is called

hypotonic

435 - The environment in which the water osmotically enters the cell is termed as

hypertonic

436 - The environment which cause the cell solution concentrated

hypertonic

437 - The environment which cause the dilution of cell's internal solution and turgidity is called

hypotonic environment

438 - Those animals that can maintain there internal osmotic concentrations different from the external environment are called

osmoregulators

439 - Those animals which actively regulate their internal osmotic environment are called

osmoregulators

440 - Glycogen is stored in

liver

441 - Detoxification of many harmful chemicals takes place in

lungs

442 - Emulsification of fats in small intestine takes place with the help of

bile

443 - Osmotic balance of blood is maintained with the help of which plasma protein

albumin

444 - Urea is detoxified form of

ammonia

445 - Urea can be retained in the body and can be removed with 1/10 quantity of water as compared with

urea

446 - Weight of kidneys account abouts ____ % of body

0.01

447 - Kidneys receive how much blood with each cardiac beat

0.2

448 - Urine leaves the kidney by which duct

ureter

449 - Both ureters empty into

urinary bladder

450 - Malpighian tubules are used to remove the nitrogenous wastes from

hemolymph

451 - Metanephredium has internal openings immersed into

coelomic fluid

452 - In hemodialysis blood is circulate through a machine which is known as

both a,b

453 - It is an access for treatment used in case of peritoneal dialysis

catheter

454 - Wastes and water pass through the peritoneum into the

dialysis fluid

455 - Dialysis is a_____ treatment

temporary

456 - High degree renal failure is known as

both a,b

457 - Which of the following mechanisms is used to heat up the body

all

458 - Which process is used to decrease the temperature of body

sweating

459 - Blubber is a layer of fat found in

whales and seals

460 - Which part of large intestine reabsorbs most salt and water

rectum

461 - The only group of animals which posses relationship with nutritive and excretory system

insects

462 - Generation of waste is primarily done at

metabolic level

463 - Primary structures for eliminating waste products are

both a,b

464 - The body's central metabolic clearing house is

liver

465 - The metabolic pathways involved in the production of urea is called

both a and b

466 - The central station of metabolism in human body is

liver

467 - The removel of water and salts from sweat glands is for the purpose of

thermoregulation

468 - Precursor of citrulline in urea cycle is

ornithine

469 - The arginine splits into urea and precursor ornithine in the presence of which enzyme

arginase

470 - The filtrate which leaves the proximal tubule mostly contains

nitrogenous wastes

471 - Tubular epithelium secretes ,______ into lumen

hydrogen ions

472 - PH value of the filtrate is mainly controlled by

hydrogen ions

473 - Conservation of water is done by producing concentrated filtrate by the action of

both a,b

474 - In sufficient supply of water reabsorption from filtrate is

reduced

475 - In the sufficient supply of water the antidiuretic hormone is

inhibited

476 - Antidiuretic hormone functions in

reabsorption of water

477 - Mammalian kidney is adopted to conserve water by ____ %reabsorotion of glomerular filtrate

0.995

478 - The interstitial fluid of kidney gradually concentrate from

cortical to medullary

479 - The inner medulla is highly concentrated with the presence of

both

480 - 20 to 30 % of the nephrons of human kidney are

medullary

481 - Which type of nephrons have short loop pf Henle

cortical

482 - Long loop of Henle is the characteristics of which type of nephrons

juxtamedullary nephrons

483 - The renal medulla consists of a number of cone shaped structures called

renal pyramids

484 - Problems associated with kidney transplant

both a and c

485 - Thermoregulation control centre of man has parts

All

486 - Formation of Hypotonic urine in man is associated with

loop of henle

487 - ADH production can be decreased by

drinking water

488 - In man which solute is not present in urine

glucose

489 - Metanephridial excretory system is found in which animal

earthworm

490 - Heat gain in animals mostly takes place through

All

491 - Heat is transferred to environment by the animals through

both a,b

492 - Animals whose body temperature tends to fluctuate with external Temperature

poikilotherm

493 - Fish ,amphibian and reptiles are

poikilotherm

494 - The animals which are capable of maintaining their body temperature are

homeotherm

495 - Birds and Mammals are

homeotherm

496 - The animals that generate Thier own heat through metabolism are called

endotherms

497 - Animals which produce heat at low level which is quickly exchanged with environment

ectotherms

498 - Animals which generally do not regulate their body temperature are called

heterotherms

499 - Bat and hummingbird are example of

heterotherms

500 - Blubber is a thick layer of

fats

501 - The homeostatic thermostat in man is present in

hypothalamus

502 - Animal which use saliva and urine for cooling purpose

bat

503 - How plant manage with high temperature

evaporative cooling

504 - Plants of temperate regions are adopted to high temperature such as

40 ° or above

505 - Plants of temperate regions synthesize some substance to prevent denaturation of enzyme

heat-shock proteins

506 - Low temperature cause which changes in plants

change in cell membrane

507 - Low temperature in plants causes

both a,b

508 - Plants adopt to cold by

increasing unsaturated fatty acids

509 - Temperature of an animal depends upon

All

510 - Non surgical removal of kidney stone is called

lithotripsy

511 - The most common way of breaking the kidney stones is

extracorporeal shock wave

512 - In shockwave lithotripsy which rays are bombarded on stones

both a and b

513 - Various factors of which kind usually destroy the nephron

both a,b

514 - Various factors of chemical and pathological nature cause increase in plasma level of

both a,b

515 - High level of urea in plasma causes

both a,b

516 - The collection tubules open in which part of kidney

renal pelvis

517 - Which one is the chief principal of dialysis

active transport

518 - Apart from cleaniy the blood dialysis is also used for

acute poisoning

519 - Hemodialysis refers to

cleaning the blood

520 - Hydrophytes usually possess leaves with

large surface area

521 - The fresh water plants usually face problem of

flooding of cells

522 - Fresh water plants maintain flooding of water by

All

523 - Plants which live in moderate availability of water

mesophytes

524 - Besophytes situations like

both

525 - Brassica plant is example of which type of plant

mesophytes

526 - Mango plant is

mesophytes

527 - Platns which live in reduced supply of water are called

mesophytes

528 - Xerophytes usually posses

small and thick leaves

529 - Cacti is an example of

zerophytes

530 - Efferent arteriole subdivide again into another network of capillaries called

peritubular capillaries

531 - Bowman's capsule continues as extensively convoluted

all

532 - Collecting tubules open into

renal pelvis

533 - The peritubular capillaries intermingle with

distal tubule

534 - The additional capillaries which extend downwards to form a loop of vessels

vasa recta

535 - The blood which passes through glomerulus is filtered into

Bowman capsule

536 - Blood is specifically filtered in the glomerulus because

glomerulus walls are porus

537 - Filteratration pressure in glumeruls is provided by

blood pressure

538 - filtrate in the glomerulus is called

glomerular filtrate

539 - All the useful constituents of the glumerular filtrate are reabsorbed in

proximal tubule

540 - Human skeleton is an example of

endo skeleton

541 - Suportive cells in plants

both a and b

542 - In animals support providing structure are

All

543 - Functions of stem in plants

both a and b

544 - Internal hydrostatic pressure in plants

turgor pressure

545 - scelerenchyma cells contain high amount of

lignin

546 - Collenchyma and sclerenchyma are found in

All

547 - The major mechanical stress faced by terrestrial plants

wind

548 - Resistance to wind stress and weight bearing ability to stem is provided by

both a and b

549 - In sunflower plant the vascular bundles are strengthen by

both a and b

550 - Normally when muscle contracts which bone is pulled upon

bone of insertion

551 - which muscle when contracts bends the bone at joint

both a and b

552 - Extensor muscles cause the

both a and c

553 - Tibio femoral joint is located between

femur and tibia

554 - The main extensor muscle in legs

Quadriceps femoris

555 - The flexion in legs is carried aout by

both a and b

556 - Major hamstring muscle is

bieceps femuris

557 - The bicep brachii muscle arises bu two heads from

scapula

558 - Biceps brachii is inserted into

radius bone

559 - Brachialis and brachioradialis are the muscle of

biceps

560 - Striated muscles

skeletal

561 - Muscel membrane is called

sarcolemma

562 - When sarcolemma penetrate deep into cell it give rise to

transverse tubules

563 - Characteristic cross striations are specifically found in

myofibrils

564 - Connective tissue wraping around a muscle is called

epimysium

565 - Each muscle is divided into discrete bundle of muscle cells called

fascicles

566 - Each fascicle is surrounded by

perimysium

567 - Muscle fibre with in the Fascicle or muscle bundle is also covered by a layer of connective tissu

endomysium

568 - The cytoplasm of myofibril is called

sarcoplasm

569 - Microfilaments or myofilaments are made up of

both a and b

570 - Membrane of vacuoles is knows as

tonoplast

571 - Regulatoion of ion exchange in vacuoles is through

tonoplast

572 - Organic substance that give the hardness and toughness to plants

sclerenchyma

573 - Most of the schlerenchyma cells are

both b and c

574 - Which of the following are the types of sclerenchymatous cells

All

575 - Which type of cells are found in nuts and seeds to provide protection

sclereides

576 - Long Water conducting pipe of xylem comprise of

both a and b

577 - Secondary wall is absent in

collenchyma cells

578 - The cells of plants which have ability to divide and develop into another type of cell

parenchyma cells

579 - Young herbaceous part of plants are mostly suported by

collenchyma cells

580 - wchin one of the following is paired bone of cranium

parietal

581 - Paired bones in cranium are

both a and b

582 - How many facial bones are present in head

fourteen

583 - How many bones of face are paired

six

584 - Which of the following is unpaired bone of face

both a,b

585 - Bones found in air are known as

ear osicles

586 - Smallest bone in human skeleton is

stapes

587 - Small single bone that lies on the base of skull

hyoid

588 - How much pairs of ear osicle are found in ear

three

589 - Which one of the following is facial bone

zygomatic

590 - Second cervical vertebra is also known as

axis

591 - Rib cage consists of how many pairs of ribs

twelve

592 - Rib cage consists of how many ribs

twenty four

593 - The ribs posteriorly articulate with whuch vertebrae

Thoracic

594 - How many ribs are connected anteriorly with sternum

ten

595 - The rib cage provides support to a semi vacuum chamber called

chest cavity

596 - The vertebrae which attach directly to sternum are known as

true ribs

597 - How many pairs of true rubs attach directly to sternum

seven

598 - False vert are

8th,9th,10th

599 - Three pairs of vertebrae which are attached with sternum with a common costal arch are called as

false vertebrae

600 - When the joints are connected to each other with the help of fibrous connective tissue it is

cartilaginous joint

601 - In fibrous joints

cavity is absent

602 - Which type of joint is present in bones of skull

fibrous

603 - The root of teeth are fixed with the help of which type of joint

fibrous

604 - If the adjacent bones are united by cartilage it is a

artilaginous joint

605 - Which type of joints lack a cavity

both a and b

606 - Costal cartage that attach ribs to sternum are example of which joint

cartilaginous

607 - Freely moveable joints are

synovial

608 - Pivot joint is example of

synovial joint

609 - Ball and socket joints are example of

synovial joint

610 - Most of the spongy bone is found in

epiphysis

611 - In the spaces of the spongy bone which type of bone marrow is found

red bone marrow

612 - Cells which give rise to the different types of bone cells are called

osteogenic cell

613 - Which type of cells are involved in bone formiu and remodeling

All

614 - Which type of bone cells secrete and synthesize unmineralized ground substance of bone

osteoblasts

615 - Once the osteoblasts are surrounded by the matrix they become

osteocytes

616 - Which type of bone cells maintain healthy bone tissue by secreting the enzymes

osteocytes

617 - Which type of bone cells regulate release of calcium from bone tissue to the blood

osteocytes

618 - Bone destrying cells are

osteoclasts

619 - Bone resorption or deminralization is caused by which type of cells

osteoclasts

620 - Myofibrils usually range in diameter

1 to 2um

621 - Muscles are attached to bones with

tendons

622 - I band of myofibrils is composed of

actin

623 - A band usaully comprises of

both a and b

624 - Transversing the middle of each I band is

dark Z line

625 - The section of myofibrils between tow Z lines is

both a ,b

626 - Center of sarcomere usually comprise

only myosin filaments

627 - How many actin filaments surround each myosin filament

Six

628 - A stands for anisotropic which means

can polarize visible light

629 - The region of A band in relaxed state where no overlap is found between actin and myosin filament

both a and c

630 - The condition in which the upper surface of leaf or bud shows more growth as comaored to lower surface is called

epinasty

631 - If the bud remain close for a more time then what type of movement will you predict

hyponasty

632 - The mode of growth in which tip of young stem move in zigzag fashion

nutation

633 - Non directional movements of plant parts in response to external stimulus

Nastic movements

634 - Differntial growth is due to which type of movement

Nyctinasty

635 - Movement in rosponse to contact is known as

Haptonasty

636 - Which enzyme is responsible for positive gravitropism of root and negative gravitropism for shoot

Auxins

637 - Hyponasty is mainly due to which enzyme

gibberellins

638 - Epinasty is due to which enzyme

auxins

639 - Earthworms posses which type of skeleton

hydrostatic skeleton

640 - Vertebral column in human beings comprised of how many vertebrae

thirty three

641 - Number of cervical vertebrae is

seven

642 - There are how many thoracic vertebrae in human skeleton

twelve

643 - Number of lumbar vertebrae is

Five

644 - Cervical vertebrae are the vertebrae of

neck

645 - Sacral and coccygeal vertebrae together are known as

pelvic vertebrae

646 - How many sacral vertebrae join to form the sacrum

five

647 - How many coccygeal vertebrae form coccyx

four

648 - Thoracic vertebrae are the vertebrae of which region

chest

649 - The first vertebrae of neck is

Atlas

650 - In prolonged and strenuous muscut activity ATP requirement is met by

anaerobic breakdown of glucose

651 - During anaerobic respiration glucose is converted into

lactic acid

652 - At rest how much lactic acid is broken aerobically

44566

653 - Common cause of muscle fatigue

deficit of ATP

654 - Low calcium level of blood cause

All

655 - Which one of the disease is caused by bacteria

tetanus

656 - Tetanus is caused by

clostridium tetani

657 - Stiffness of jaws and neck muscles,lock jaw,spam of trunk are related to

Tetanus

658 - Which end of muscle normally remains stationary

origin

659 - The end of muscle which contracts and moves the bone

insertion

660 - Mammals in which first digit is completely lost

digitigrade

661 - Hoofed mammals are

unguligrade

662 - Which muscle provide upward stroke for flight

supra coracoid

663 - Which part of muscle actually contracts

belly

664 - Degree of muscle contraction depends upon number of

muscle fascicle

665 - Which one of the following is innervated by a single motor neuron

muscle bundle

666 - Tail of myosin molecule terminates into

1 fibrous head

667 - Which one is not an example of skeletal muscle

papillary muscle

668 - The spine consists of linear series of how many vertebrae

33 vertebrae

669 - Lumen of T tubules is continuous with

extra cellular fluid

670 - Thousands of T tubules of each muscle are collectively known as

T system

671 - Calcium ions are released by

ions both a and b

672 - Energy storing substance in muscles

both b and c

673 - The H zone itself is bisected by

M line

674 - Thick myofilaments have diameter

16nm

675 - Diameter of thin filaments

7 to 8 nm

676 - How many strands of tropomyosin surround the actin core

Two

677 - Myosin binding sites on the actin are covered by

tropomyosin

678 - Troponin is complex of how many polypeptides

three

679 - Troponin T binds to

Tropomyosin

680 - Myosin-actin interaction are controlled by

both a and b

681 - Each myosin molecule possesses

All

682 - Active sites of the actin are actually found on

both a and b

683 - Cross bridges are formed when

All

684 - Sliding filament model was given by

both a and b

685 - When cross bridges are foremd which changes take place

All

686 - Which one of the following is vestigial bone in humans

coccyx

687 - Curved vertebral column is more favourable as it provide

more strength

688 - In which structure muscle heamoglobin is found

sarcoplasm

689 - During contraction cross bridges attach to which

actin

690 - Muscel fatigue usually occur due to lack of

ATP

691 - Which one is not due to metabolic disturbance

muscle atrophy

692 - Tetany disease is caused by

Hypocalcemia

693 - The work of muscles against each other is knwon as

antagonistic

694 - Locomotion in euglena is due to

flagela

695 - Myonemes found in the body of euglena are actually

protiens

696 - Movement in paramecium is by

cilia

697 - Effective stroke in paramecium is caused by

5/9 double fibrils

698 - Recovery stroke is caused by

4/9 double fibrils

699 - Locomotion in amoeba is by

pseudopodia

700 - Locomotion in earthworm is

all

701 - Swift walking is mode of locomotion in

cockroach

702 - Molluscs locomotion is mainly due to

foot

703 - Tube feet is the locomotory organ of

star fish

704 - Fishes are adopted for swimming due to

All

705 - Frog and toad walk on land with

hind limbs

706 - Reptiles use locomotion methods of

both a and b

707 - Any surface which moves through the air at an angle is

aerofoils

708 - Adoptations for flight in birds

All

709 - Prehistoric reptiles were

bi pedal

710 - In birds sternum is modified into

keel

711 - Feathers perform which function in birds

all

712 - Man and apes are

plantigrade

713 - Tough and less flexible type of cartilage is

fibrous cartilage

714 - Intervertebral discs are made up of which type of cartilage

fibrous cartilage

715 - Functions of bone include

All

716 - How many divisions does human skeleton have

2

717 - Axial skeleton includes

All

718 - Head contains how many bones collectively

29

719 - Brain box contains how many bones

8

720 - How many paired bones are present in cranium

2

721 - No of unpaired bones in cranium is

4

722 - Which one of the cranial bone is unpaired

occipital

723 - Plant movements due to external cause are termed as

paratonic movement

724 - Type of autonomic movement

both a and c

725 - Movement of entire cell or organism due to some external cause is called

tactic movement

726 - Movement in response to stimulus of light

phototactic

727 - Movement of chloroplast in cuclosis is a type of movement

phototactic

728 - Movements of sperms in mosses and ferns towards archigonium is type of

chemotactic movement

729 - If the cause of movement is an internal chemical then it is type of

chemotactic movement

730 - Movements in the plants due to gain ot water loss and differential changes of turgor are called

turgor movement

731 - Rapid movements of leaflets of "touch me not "plants fall in the category of

turgor movement

732 - Swollen portion of petiole the poitn of attachment of shoot is called

pulvinus

733 - The exoskeleton is

non living

734 - Exoskeleton is mostly secretrd by which layer

ectoderm

735 - The procuticle layer of exoskeleton is made up of

all

736 - Marine bivalve and snail have

exoskeleton

737 - It usually limits growth and size of animal

exoskeleton

738 - Periodically sheding of exoskeleton is known as

ecdysis or moulting

739 - Exoskeleton is hardened by depsition of

calcium carbonate

740 - Ecdysis is genrally controlled by

both a and b

741 - Human skeleton is an example of

endo skeleton

742 - Human skeleton system mainly consists of

both

743 - Joint replacement with artificial joint is called

arthroplasty

744 - Which one of the following is the hereditary disorder of skeleton

arthritis

745 - Which of the following is the hormonal disorder of the skeleton

osteoporosis

746 - Skeleton disorder caused by some nutritional deficiency

rickest

747 - Which is the strong outer ring of intervertebral disc

annulis fibrosus

748 - Tha part of intervertebral disc that act as a rubber ball

neucleus pulposus

749 - The herniated or sliped disc usually involves rupture of

whole disc

750 - Immobility and fusion of vertebral joints is

spondylosis

751 - Which one is synovial joint

elbow joints

752 - Synovial joints are surrounded by a layer of connective tissue known as

Fibrous capsule

753 - An injury to ligament is called

Sprain

754 - Special form of tissue that can undergo contraction and relaxation and provide movement

muscle tissu

755 - Branch which deals with the study of muscles is

myology

756 - The most widely distributed and more variable in function

smooth muscle

757 - Muscles in which myofilaments are not organised into sarcomeres

smooth

758 - In which type of muscles intermediate filaments are noncontarctile

smooth

759 - Urinary tract and glands have which type of muscles

smooth

760 - which type of muscles are mononucleated

both a and b

761 - Intercalated discs are found in which type of muscle

cardiac

762 - The muscles attached to bones

skeletal

763 - 11th and 12th pair of vertebrae are known as

floating vertebrae

764 - Pectoral girdle,pelvic girdle,forelimb and hind limbs are collectively known as

appendicular skeleton

765 - Clavicle and scapula is the bones of

appendicular skeleton

766 - Clavicles are a pair of

collar bone

767 - Clavicle articulate with

sternum

768 - Scapulas are

shoulder bones

769 - Humerus is bone of

both a and b

770 - Spherical head of humers fits into which cavity

glenoid cavity

771 - Radius is a bone of

arm

772 - Bones of wrist are how much in number

eight

773 - Which one is caused by injury to sciatic nerve

sciatica

774 - The disease in which articular cartilage soften and disintegrate

osteoarthritis

775 - The result of an autoimmune disorder in which synovial membrane become inflamed

Rheumatoid arthritis

776 - Abnormal amount of uric acid is related to which disease

Gouty arthritis

777 - Fracture in which skin is intact is called

both a and b

778 - If in a fracture bone end penetrate the skin and form a wound

both b and c

779 - When a fracture damages the adjacent organs it is known as

complicated

780 - Mass of clotted blood which results by the haemorrhage is called

haematoma

781 - A porous mass of bone and cartilage surrounding the break form a

cartilaginous callus

782 - About how many time it takes to establish a bony callus at brokes site of bone

2 months

783 - The skeleton acts as

All

784 - The study of bones and cartilage is called

Osteology

785 - A bone is composed of variety of tissue including

All

786 - The terminal broad part of a long bone is called

epiphysis

787 - The midlle part along the length of the bone is called

both b,c

788 - The central cavity or lumen of shaft (diaphysis ) of long bone is filled by

yellow bone marrow

789 - The outer connective tissue around the bone is called

periosteum

790 - The inner region of the bone internal to periosteum is called

endosteum

791 - The peripheral part of endosteum is called

compact bone

792 - The inner bone mass of the endosteum is known as

spongy bone

793 - Deminralization of bone means

All

794 - Which of the bone cells are involved in the growth and repair of bone

osteoclasts

795 - Cartilage is a type of

connective tissue

796 - Bone is a type of

connective tissue

797 - Blood is

connective tissue

798 - Crtilage is elastic in nature due to

All

799 - Dense layer of collagen fibers covering the cartilage matrix is called as

perichondrium

800 - Small cavities in the matrix of cartilage which contain chondrocytes are called

lacunae

801 - The living cells of cartilage are known as

chondrocytes

802 - Blood vessels are not found in

Cartilage

803 - Metacarpels which make palm of hand consists of how many bones

five

804 - Thumb comprise of how many phalanges

two

805 - Ilium ,ischium and pubis constitute

both a and b

806 - The two halves of pelvic girdle are joined at

pubic symphysis

807 - A cavity know as acetabulum is found in

pelvic girdle

808 - Femur is a

all

809 - Head of femur bone fits into

acetabulum

810 - Each toe of foot possesses how many phalanges except big toe

Three

811 - The place where two bones or bone and cartilage come together is called

both a and b

812 - Scientific study of structure and function of joints is called

arthrology

813 - Increase in the length of plants is

primary growth

814 - Increase in plant girth or on.the lateral sides of root and shoot is known as

Secondary growth

815 - Secondary gwoth occurs due to cell division in

both a and b

816 - Cylinders of actively dividing cells in primary xylem and primary phloem

vascular cambium

817 - Secondary xylem and secondary phloem is developed by

vascular cambium

818 - Heartwood is formed in

inner part of secondary xylem

819 - The active conduction part of older trees is known as

sap wood

820 - Resistance to decay and insect attack in some plants is usually provided by

heart wood

821 - Callus in plants develops by

vascular cambium

822 - Plant movements due to internal causes are termed as

autonomic movement

823 - Chondrocytes are supplied by

diffusion

824 - Wound to cartilage usually heals slowly the reason behind is

Both a and b

825 - Human skeleton initially composed of

both b and c

826 - Which of the following is the type of cartilage

All

827 - Which type of cartilage is found in trachea

hyaline

828 - Which type of cartilage is found in nose and larynx

hyaline

829 - The ends of Long bones are often covered by which type of cartilage

hyaline

830 - Elastic cartilage has more elasticity as comapred to other cartilage types because of

network of elastic fibers

831 - Which type of cartilage is found in epiglottis

elastic cartilage

832 - Ear pinna contain which type of cartilage

elastic

833 - Inner butterfly shape region of spinal cord is

gray matter

834 - Gray matter consist of which type of fiber

cellbodies and non myelinated

835 - White matter is made up of

myelinated fibers

836 - Concentration of cell bodies of neuron

ganglion

837 - Nerves are

both b and c

838 - In human number of cranial nerves

24 nerves

839 - Number of spinal nerves in human

31pairs

840 - In fishes how many pairs of cranial nerves are present

10 pairs

841 - Actions of muscles are

Voluntary

842 - Fight or flight response is related to

sympathetic division

843 - Chemical messengers involved in coordination are called

neurotransmitters

844 - The typical one way transmission in axons is mainly due to

synaptic vesicle

845 - Receptors for the neurotransmitter are located at

post synaptic membrane

846 - Which ions are responsible for the fusion of neurotransmitter vesicle with membrane

calcium ion

847 - Acetylcholine is hydrolyzed by

Acetylcholinesterase

848 - In electrical impulses for the purpose of rapid transmission the cells are separated by synaptic cleft of only

0.2 nm

849 - Which neurotransmitter increases the permeability of sodium ions

excitatory

850 - Which one of the following is excitatory neurotransmitter

All

851 - Biogenic amines are important neurotransmitter of

central nervous system

852 - Which neurotransmitter affects sleep,mood,attention and learning

both a and b

853 - Channel proteins embedded in the cell membrane act as

gates

854 - If the stimulus fails to excite the neuron it is called

both a and b

855 - Sodium gates when open which change takes place in membrane potential

both a and c

856 - When membrane potential reaches to about 50mvolts it is said to be

depolarized

857 - Electropositive inside and electronegative outside lasts for about

one millisecond

858 - It takes how much time to regain original resting potential

2 to 3 millisecond

859 - Slightly overshoot into more negative potential then original is known as

hyperpolarization

860 - Time during which membrane prepares itself for the next stimulation is known as

refractory period

861 - Part of refractory period in which nerve impulse is unable to give response to any stimulus is known as

absolute refractory period

862 - Refractory period lasts for about

4 millisecond

863 - Sympathetic division of perepherl nervous system mainly comprise of

spinal nerves

864 - Spinal nerves of sympathetic system arise from first thoracic segment and end into

2nd lumber segment

865 - Parasympathetic division comprise of

both b and c

866 - Autonomic functions during the state of rest are controlled by

parasympathetic division

867 - Which one of the following is the vascular disorder of nervous system

stroke

868 - Meningitis is which type of nervous disorder

infectious

869 - Rupture of small perforating cerebral arteries is found in

brain stroke

870 - Aphasia,loss of function of ine region of brain,weakness or havyness in arms are symptoms of

brain stroke

871 - Which one of the following is functional disorder of nervous system

Headaches

872 - Headache by other name is

Cephalalgia

873 - Inhibitory factors from hypothalamus act on

pituitary gland

874 - Axon endings of the neurosecretory cells make synapse with

blood vessels

875 - Which of the following primary hormones are secreted by hypothalamus

both a and b

876 - Pituitary gland is attached with hypothalamus with a stalk known as

infundibulum

877 - Which one of the following is not the hormone of anterior lobe of pituitary

ADH

878 - Which hormone I released under the influence of growth hormone releasing factor

Somatotrophic hormone

879 - Gingantism is the result of

excess secretion of growt hormone

880 - Over secretion of growth hormone during adult life causes

Acromegaly

881 - Hyperthyroidism is due to

excess of thyroxine

882 - Hypothyroidism is mainly due to

lack of thyroxine

883 - Which one is inhibitory neurotransmitter

glycine

884 - Endorphins which decrease our perception of pain are

both a and b

885 - Gamma aminobutyric acid is which type of neurotransmitter

inhibitory

886 - Which sytem is related with transmission and reception of commands to and from CNS

peripheral

887 - Protective membrane of brain and spinal cord

meninges

888 - Hydra contain which type of nervous system

diffused nervous system

889 - Centralized nervous system is present in all execept one

jelly fish

890 - Which one act as cushion against bumps and jolts

Cerebrospinal fluid

891 - Fore brain consists of which parts

both a and b

892 - During pregnancy which hormone is released from placenta

progesterone

893 - Testosteron chemically in nature is

lipid hormone

894 - Hormone secreted by pineal gland

melatonin

895 - Chose the hormone produced by thymus

thymosin

896 - Endorphins are produced from

brain cells

897 - Release of oxytocin during baby's birth is which type of feed back

positive feed back

898 - Sensation of thurst is which type of feed back mechanism

negative feed back

899 - When glucose level in blood increase beta cells of langerhan produce insulin and it controls its level so which type of mechanism is this

negative feed back mechanism

900 - In low body temperature which hormone increases metabolic activity of most body cells to generate ATP and heat

thyroxine

901 - Responses that are predetermined by inheritance of specific nerve or cytoplasmic pathways are known as

Innate behaviour

902 - Release of adrenocorticotropic relleasing factor depends upon

steroid level in blood

903 - Secretion of cortisone and aldosterone is stimulated by

ACTH

904 - Which of the following is the hormone of median lobe of pituitary

melanocyte stimulating hormone

905 - Production and release of melanin is stimulated by

MSH

906 - Posterior pituitary lobe secretes which hormone

both b and c

907 - Diabetes Inspidus is due to

under secretion of ADH

908 - Oxytocin is released during

both a and b

909 - Over secretion of oxytocin causes

rupturing of uterine wall

910 - Normal labour process is inhibited by

under secretion of oxytocin

911 - Which hormone promotes milk ejection

Oxytocin

912 - Plants responds to stimuli with

hormones

913 - Plants behavior is different form animals as they are

both motile and sessile

914 - Hormonal control in plants is relatively

a slow process

915 - Plant hormones are responsible for

All

916 - If the plants are grown without light then which change will occur

become long

917 - If the plants fail to form chlorophyll the condition is known as

etiolated

918 - Failure to production of chlorophyll in plants is known as

chlorosis

919 - Chlorosis in plants usually results from

short mineral supply

920 - Poorly differentiated part of plant

calluses

921 - Galls in plants are caused by

parasites

922 - During the conduction of an action potential the movement of which ions take place

sodium and potassium

923 - When ionic reversal occur in plasma membrane during action potential the membrane is said

Depolarized

924 - In vertebrates nerves from spinal cord are separated into dorsal sensory root and ventral

motor root

925 - Reflexes can be

innate or learned

926 - An external or internal stimulus that is strong enough to initiate a nerve impulse is called

threshold stimulus

927 - Neuron of central nervous system and a gangu cell are differentiated on the base of

Location

928 - Resting membrane potential is about

-70mV

929 - Resting membrane potential is about

both a and c

930 - Which of the following are major factors for tha change of resting to action potential

both a and b

931 - For every two potassium ions that are actively transported inside how many sodium.move out

three

932 - Defence of an area by an organism or group of organisms against organism of same or different species is which type of behaviour

territorial behaviour

933 - Reduction of other individual's reproductive success for the benefit of members of own species is known as

Altruism

934 - Chemical which triggers a social response in members of the same species

pheromone

935 - When Drosophilla were exposed to a paticular order and electric shock at the same time ,they started to ignore the ordor this is a type

classical conditioning

936 - Instincts are type of

inborn behaviour

937 - Migration of salmon between fresh and salt water for spawning can be categorized in which type of behaviour

instincts

938 - Behaviour which is not controlled by genes and result from experiences is known as

learning

939 - Organisms with long life span usually develop

learning

940 - Which one is not the category of learning behaviour

instincts

941 - If an animals learns to ignore harmless irrelevant stimulus then which type of behaviour is shown by him

Habituation

942 - Imprinting is shown by which organisms

all

943 - The specific time during which imprinting develops is known as

critical period

944 - If newborn individual fixes its attention towards first encountring object the behaviour is knwon as

imprinting

945 - Type of behaviour which evolves slowly and on which experience has no obvious influence

instinctive behaviour

946 - Which one of the following nerves is not sensory

Hypoglossal

947 - Reflex action is a type of

involuntary

948 - Information or signal about a stimulus in case of Nervous system is known as

nerve impulse

949 - Wave of electrochemical changes that travel along the length of neuron are called

nerve impulse

950 - Capacity to do electrical work in neuron is present in

neuron membrane

951 - In case of neuron the electrical potential is termed as

membrane potential

952 - A typical neuron at rest is

more positive outside

953 - The net difference of charge on a non conducting neuron is termed as

resting membrane potential

954 - Concentration of sodium ions is how many folds more as compared to inside

tenfolds

955 - How many times are potassium ions concentrated inside the neuron

twenty times

956 - Ventrir or cavites present between limbic system and cerebrum are

both a and b

957 - Which cavity is present between limbic system and thalamus

3rd ventricle

958 - Which area is involved in speech ,intelligence and reasoning

cerebral cortex

959 - Relay station for tracts passiu between cerrbrum and cerebellum is present in

mid brain

960 - Which one is the parts of hind brain

both b and c

961 - Pattern of heart beat is controlled by

pons

962 - Blood presy ,heart beat and swallowing is controlled by

medulla oblongata

963 - Brain is a hollow structure and it contains cavities known as

ventricles

964 - Foramen magnum is

hole in bottom of skull

965 - Spinal cord extend from foramen magnum and continues with

both a and b

966 - Velocity of nerve impulse depends upon

All

967 - Speed of nerve impulse is more in

myelinated neuron

968 - Covering of fatty substance around the axon fiber is known as

myelin sheath

969 - Non myelinated part of axon between two Schwan cells

both a and b

970 - Sensory neurons are

unipolar

971 - Motor and interneurons are

multipolar

972 - Autonomic and involuntary responses to external and internal environmental changes are called

Reflex action

973 - Pathway of nerve impulse during reflex action is called as

reflex arc

974 - During reflex action the sensory neuron enters

dorsal nerve root

975 - During a reflex action all the necessary actions took place in

spinal cord

976 - MRI uses which type of waves and magnetism

Radio waves

977 - Products released by glands are known as

secretions

978 - Endocrine glands can be defined as

both a and c

979 - Hormones are generally effective in

low concentration

980 - Endocrine system contains about how many glands

20

981 - Chemically hormones may be

All

982 - Which of the following is not a steroid hormone

adrenaline

983 - Point out the protein hormone

All are protein

984 - Throxine is chemically which type of hormone

amino acid derivative

985 - Second messenger mechanism is mainly shwon by

both a and b

986 - Special type of cell or organ which receive a stimuli

receptor

987 - Receptor detect which type of changes

All

988 - Which of the following can act as receptor

All

989 - Change in blood CO2 and oxygen can be detected by which type of receptors

Chemoreceptors

990 - Smell and taste are detected by which type of receptors

chemoreceptors

991 - Stimuli related to hearing and equilibrium are detected by which type of receptors

mechanoreceptors

992 - Sensation of pain is due to

Nociceptors

993 - Which type of sensation are termed as modalities of sensation

both a and b

994 - Arousal of hunger in stomach is detected by

muscle of stomach wall

995 - Each receptor for a specific type of stimulus is connected to

specific site in brain

996 - Cytoplasm of axons is called

axoplasm

997 - Which part of neuron conduct impulse away from cell body

axons

998 - Axolemma is the cell membrane of

Axons

999 - Presynaptic terminals are formed by

axons

1000 - Neuron cells are protected and nourished by

Schwann cells

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