Biology General MCQs The Most Important Set 5

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1 - Smut fungus are parasites of :

Both monocots and dicots

2 - Due to production of black spores smuts gives:

Sooty appearance

3 - Reproductive structures of smuts are called:

Chlamydospores

4 - Disease caused by Ustilago tritici is favoured by _teperature.

60-70 F

5 - Resulting hyphae of telospores penetrates in:

Ovaries

6 - Imperfact fungi are classified on the bases of:

DNA seuence

7 - Pencillium is called:

Blue , green molds

8 - Aspergillus are called:

Brown molds

9 - Helminthosporium is important genra of :

Imperfect fungi

10 - In parasexuality two nuclei lying in _hyphae are exchanged.

Same

11 - Which of these have not complex reproductive structure ?

Yeast

12 - Obligate parasites is:

Mildews and rusts

13 - How many species of bascidomycetes form lichen association?

20 out of 15000

14 - Most visible part of lichen is:

Algae

15 - Fungus protects algal partner from:

strong light and desiccation

16 - Lichens vary in:

Colour , shape and appearance

17 - Lichens are bioindicators of:

Air pollution

18 - Asexual reproductive structures lichens is:

Soredia

19 - Parasitic fungi obtain their food with the help of:

Haustoria

20 - Omnivorous fungus is:

Oyster mushroom

21 - Active predators paralyse nematodes mainly to fulfill_requirement.

Nitrogen

22 - Some species of _form constrictig rings.

Arthrobotrys

23 - Predators fulfill their _requirment by breaking wood.

Glucose

24 - some predators may have other adoptations like.

Secretion of sticky substances

25 - Syntific name of Oyster mushroom is:

Pleurotus ostreatus

26 - Lichen is mutualistic association between:

fungus and algae

27 - Which one is related to facultative parasites?

they can be grown on host cell as well as artificially

28 - Asexual reproduction is also called:

Somatic or vegetative

29 - During fragmentation hyphae break into component cells that behave as spore.These spores are called?

Arthospores

30 - Meaning of word fungus is:

Sponge

31 - Fungus Unicenula necator causes:

Powdery mildew of grapes

32 - Which one is not example of ascomycetes:

Rusts

33 - In ascospores mode of asexual reproduction is:

Conidia

34 - Hyphae of ascomycota are:

Septate

35 - Phase of reproduction in ascomycetes is:

Lenghty dikaryotic

36 - Deutromycetes are also called:

Imperfect fungi

37 - Hyphae of deutromycetes are:

Varied

38 - In myccorhizal association plants provide :

Organic carbon

39 - Rhizopus is also called:

Black bread mold

40 - Yeasts ferment carbohydrates into:

Ethanol and carbondioxide

41 - Disease of oral and vaginal thrush is:

Candidosis

42 - Fungi produce _which are toxic to animals.

Active compounds

43 - Pink yeast grows on:

Shower curtains and other moist surfaces

44 - Histoplasmosis is caused by:

Inhaling spores

45 - Taxa ending at mycetes is:

Class

46 - Griseofulvin is used _.

To reduce fungal growth

47 - Citric acid is obtained from_species.

Aspergillus

48 - About _of world's fruit is lost each year.

15-50%

49 - Fungi is divided into_subkingdoms.

One

50 - Braket fungi are called:

Shelf fungi

51 - At least _ species of fungi are pathogenic to humans.

300

52 - In_parasitic fungus obatin all its nutrients from fungal symbiont.

Myco-heterophy

53 - Candida albicans is :

A yeast

54 - Anamorph is:

Sexual reproduction

55 - Photosynthetic partner in lichen is called:

Photolysis

56 - _is used for treatment of headache.

Ergotine

57 - _ are used in production of soya sauce.

Aspergillus

58 - How many species of fungi are known to be detrimental to plants.

8000

59 - Fungi contain ribosome of:

80S

60 - Fruting bodies of slime molds are called:

Perithecium

61 - Extensive spreading system of hyphae provides:

Surface area for absorption

62 - largest pathogenic fungus is:

Armillaria

63 - Body of fungus is called:

Mycellium

64 - Armillaria causes pathogenicity mainly in :

Conifers

65 - Saprobic fungi anchor to substrate with the help of:

Rhizoids

66 - Chitin is more resistant than :

Both a and b

67 - 1 hectare is equal to:

10000 m2

68 - Total species of fungi are:

100000

69 - Fungi are principal decomposers of cellulose and lignin which can not be decomposed by:

Bacteria

70 - Which fungi are decomposers of biosphere?

Saprobic

71 - Ergotine is used to relieve from:

Migraine

72 - Neurospora is also called:

Green bread mold

73 - _is used in genetic research.

Yeast

74 - Fungus spores are common in :

Soil

75 - Subkingdom Dikarya is broken into two phyla:

Ascomycota and bascidomycota

76 - Histoplasmosis may be serious when:

If infection is spread into blood stream

77 - Since_fungi is used as antibiotics.

1940

78 - Yeast are frequently used in genetic engineering because:

Rapid generations

79 - Alkaloids and polyketides are toxic to_.

Animals

80 - _is used to inhibit fungal growth.

Griseofulvin

81 - Non hyphal fungi is?

Yeast

82 - Diploid zygoyte is formed during:

Sexual reproduction

83 - Rusts and smuts are included in:

Notorious fungi

84 - Taxonomic status of fungi is:

neither animal nor plant

85 - Source of antibiotics is:

Penicillium

86 - Fungi resemble with animals because of:

lacking cellulose

87 - Fungi are :

Absorptive heterotrophs

88 - Mycologists study about :

fungi

89 - Fungi divide by :

Nuclear mitosis

90 - which one is not related to Coenocytic hyphae?

Septa are present to divide individual cells

91 - 98% Lichens are_ fungi.

Ascomycetes

92 - Hyphae of ectomyccorizal fungi_.

Do not penetrate into individual cells

93 - Myccorhizae is mutualistic assoicaition between fungus and roots of_.

Vascular plants

94 - Lichen is atached to rocks with the help of:

Fungus Hyphae

95 - Asexual reproductive structure of lichens is called:

Soredia

96 - Ramalina is:

Fruticose lichen

97 - Which one is not example of crustose lichen?

Ramalina

98 - Crustose lichen consist of _all lichens.

0.75

99 - Foliose lichen commonly grow on:

B and C

100 - Sexual reproduction vary in different groups but wwich one is common to all?

B and C

101 - The algal component is sensitive to:

CO2

102 - Simple breaking of mycellium resulting in the formation of new mycelium is called:

Fragmentation

103 - The sporphore develop ring called:

Fairy ring

104 - Three main steps of sexual reproduction in fungi are:

Both a and b

105 - Blight of potatoes is caused by:

Alternaria

106 - Algae fungi are:

Phycomycetes

107 - Mushroom consist of :

All of these

108 - In symbiotic relationship :

Both partners get benefit

109 - Structure which contains zygote nuclei in Rhizopus is known as:

Coenozygote

110 - Intermidiate between chains of budding cells and a true hyphae is called:

Pseudohyphae

111 - Reindeer moss is:

Lichen

112 - Syntific name of Jack-O lantern is:

Omphalotus olearius

113 - Yeast is used in:

Both a and b

114 - _species are used for giving flavour and aroma and characheristic colour to cheese.

Penicillin

115 - 1st antibiotic to be ever discovered:

Both a and c

116 - Penicillin was discovered by:

A.Fleming

117 - _were the 1st eukaryotes to be used in genetic engineering.

Yeast

118 - _is used in loweing blood preesure.

Lovastatin

119 - _Cyclosporine is used in organ transplantaion.

Cyclosporine

120 - Cyclosporine is obtained from :

Soil fungus

121 - The fungal group which contain flagella are:

Mostly aquatic

122 - The word arthospore means?

Joint spore

123 - Simple organisms mainly reproduce by:

Fission

124 - Which one is true fungi?

Yeast

125 - During budding chains of buds are produced forming_.

Short mycellium

126 - When spores are formed at tips or sides of hyphae these are called:

Conidia

127 - Sporangiospores are:

May be motile or non motile

128 - Moltile spores are called:

Zoospores

129 - Zoospores have ability of:

chemotacticity

130 - Fungi can tolerate pH range of:

2 to 9

131 - Non coding region of DNA of fungi is called:

Intron

132 - Ringworm is caused due to :

Deutromycetes

133 - Coding region of DNA of fung is called:

Exon

134 - A functional artificial chromosome was made in :

Saccharomyces cervisiae

135 - Whch one is true about slime molds:

They are algal fungi

136 - The disease that effect lungs caused by inhaling spores of fungus is called:

Histoplasmosis

137 - Fungi contain_.

Membrane bounded nucleus

138 - Yeast is being investigated for the production of_.

Both b and c

139 - _ Yeast are used in:

Genetic research

140 - Taxa ending with -mycotina is:

Subdivision

141 - Which of following is source of Vitamin A?

Rhodotorula gracilis

142 - _are called natural scavengers.

Fungi and bacteria

143 - Karyogamy means:

Fusion of nuclei

144 - Large and complex conidia are called:

Macroconidia

145 - Armilaria form form_.That resembleto the roots of plants.

Rhizomorph

146 - Scientific terminology for fungal infection is called:

Mycosis

147 - Self fertile unisexual reproduction is called:

Homothallism

148 - Slime molds are called:

Myxomycota

149 - Mature zygospore lies dominant for:

1-3 months

150 - Water molds are called:

Oomycotes

151 - Which one is different from others regarding to cells:

Yeast

152 - Sometimes hyphae of individual cells become thic walled and behave as spores called:

Clamydospore

153 - Chemicals used to kill fungi are called:

None of these

154 - Clamp connection I found in

Bascidomycetes

155 - Which one is incorrect:

It is haploid nuclei

156 - All lichens except blush or leafy lichen is called:

Microlichen

157 - Yeast cells are good source of vitamin_.

B and D

158 - Hyphae spread over surface of:

Substratum

159 - Thallus form crust like structure called:

Crustose lichen

160 - Taxa ending with -Ales is :

Order

161 - Yeasts ferment _ into -.

Carbohydrate , alcohol

162 - Most common expoited yeast is :

Saccharomyces cerevisiae

163 - Nuclear fusion is followed by:

Meiosis

164 - _on underside of mushroom's cap ar lined with basidia.

Gills

165 - Imperfect fungi show special kind of genetic recombination called:

Parasexuality

166 - About _ species offungi are edible.

200

167 - Rusts are called so because of :

Numerous rusty , orange-yellow spots

168 - Rusts mostly effect :

Stem and leaves

169 - Smuts are called so :

Black dusty spots

170 - Smut fungus belongs to:

Ustilaginales

171 - Fungi store surplus food in the form of:

lipids droplets or glycogen

172 - Sexual reproduction has not been obsorbd in_.

Deuteromycetes

173 - Sac fungi is another name of:

Ascomycota

174 - Which one method of reproduction is present in both sexual aand asexual reproduction?

Spores formation

175 - Common means of reproduction in fungi is:

Spore formation

176 - Which step is not invloved during sexual reproduction?

Mitosis

177 - Sexual reproduction in fungi is termed as:

Telomorph

178 - Fruticose are :

Branhing

179 - During sexual reproduction hyphae combine and form interconnected network called:

Anastomosis

180 - Mycorrihizae is:

Mutualistic association

181 - _is also used in genetic research.

Neurospora

182 - _is yeast for production of hormones.

Yeast

183 - Fungus like organisms include :

All of these

184 - Carcinogenic and myotoxins are by:

Aspergillus

185 - Complete genetic code was studied in:

1996

186 - Brown rot is disease of:

plums

187 - Ergotism is caused by eating bread made from _.

Purple ergot contaminated rye flour

188 - Fungi cotain_subphyla.

Nine

189 - Lichens are used in:

Textile industry

190 - Fungi contain DNA With _regions.

Two

191 - In whih groups of fungi plasmogamy does not take place immediately after plasmogamy?

Bscidomycetes and ascomycetes

192 - Zygomycetes are called:

Conjugating fungi

193 - Zygomycetes form thick dominant structure called:

Zygospore

194 - Which one is not example of zygomycetes:

Powdery meldews

195 - Hyphae of zygomycota are:

Non septate and multi nucleate

196 - Spores of zygomycetes are:

Non motile

197 - Zygosore is :

Diploid

198 - Sac like structure of ascomycetes is called:

Ascus

199 - Ascus contain _ascospores:

4 to 8

200 - Largest and most commonly known ascomycetes are:

Morals and truffles

201 - Phytophthora is example of:

Oomycetes

202 - Soucre of energy for yeast is:

Organic compounds

203 - Physarum polycephalum is example of:

Myxomycetes

204 - Slime molds produces spores by:

Meiosis

205 - Cenocytic means:

Sharing common cytoplasm

206 - Fungi lack :

Xylem and phloem

207 - Cell wall of yeast is composed of:

Chitin and mannan

208 - Chitin is component of_of arthropodes.

Exoskeleton

209 - Which of following are aceelular slime moulds:

Myxomycetes

210 - Which one are called pin moulds?

Zygomycetes

211 - _are very primitive type of spores.

Arthospore

212 - No of ascospores in yeast are:

4

213 - Chlamydospores are formed:

Exogenously

214 - Yeast grow in :

Damp and dark conditions

215 - Oogonium contains:

Single oospore

216 - Sometimes in yeast conjugation of parent cell and a bud takes place .this is called:

Predogamy

217 - Oogamus is which type of reproduction:

Asexual

218 - Vegetative phase of myxomycetes consist of:

Multicellular , wall less plasmodium

219 - Rindeer moss are used as food in_regions.

All oth these

220 - _cause disease in maize.

Ustilago maydis

221 - Wood rotting fungi destroy:

Not only living trees but also Structure

222 - Powdery mildews effects on:

All of these

223 - Histoplasmosis is infection of:

Heart

224 - Fungi_chlorophyl and _photosynthesis.

Lack , can not perform

225 - Which one is not related tp ergotism.

Stomach disturbance

226 - Which of the following class have motile cells with inserted flagella :

Oomycetes

227 - _is obtained from some species of Aspergillus.

Citric acid

228 - The division of fungi that lack flagella:

Amastigomycetes

229 - Imperfect fungi cause diseases:

Both a and c

230 - Fung I contain_phyla.

Seven

231 - Other name of Pink yeast is :

Rhodotorula

232 - In whch year artificial chromosome was made:

1983

233 - There are _major types of fungi.

3

234 - Bracket fungi damages to_living trees.

Lumber

235 - Which one is not true:

There is no phenomenon of alternation of generation.

236 - Natural dyes are obtained from_.

Lichens

237 - Myotoxins toxins produce by fungi are called:

Aflatoxins

238 - Penclilium are:

Saprotropic species

239 - Penicillium reproduce:

Asexually by means of conidia

240 - Conidospores are:

Septate and Branched

241 - In saprobes modified hyphae are called:

Rhizoids

242 - Fungi are adopted to live on land due to:

Lack of flagellated cells,non motile spores and thick walled zygote

243 - Fungi can tolerate _surrounding.

Hyper Osmotic

244 - Fungi can tolerate temperature :

Below -5 C and above 50 C

245 - Fungi along with_play vital role in the recycling of inorganic nutrients.

Sprobic bacteria

246 - Example of poisonous mushrooms is:

Toadstools

247 - Dnother name of Death cap angel:

Amanita

248 - It̢۪s the most abundant biological molecule found in cell?

Water

249 - What are the roles played by water in living organisms?

All of these

250 - Water facilitates biochemical reactions due to all of the following except:

Activation energy is lowered

251 - Water content released on hydrolysis is highest in which of the following molecules?

Polysaccharides

252 - The simplest aldo-sugar is:

Glyceraldehyde

253 - When in solution the ring structure formed by fructose is?

Ribofuranose

254 - Energy required for the synthesis of 10g of glucose is:

717.6 KCal

255 - Which of the following shows a peptide bond?

C--N linkage

256 - Most abundant carbohydrate in nature is:

Cellulose

257 - Bond stabilizing the structure of complex carbohydrates is:

Glycosidic bond

258 - Succinate is converted into fumarate by FAD mediated oxidation by:

Succinate dehydrogenase

259 - Reversible inhibitors check the reaction rate by?

Forming weak linkages with enzyme

260 - In cyclic phosphorylation NADPH2 accumulates and blocks NADP Reductase through:

Feedback inhibition

261 - Effect of which of the following inhibitor can be neutralized by increasing substrate concentration?

Competitive inhibitors

262 - According to lock and key model enzyme is:

Rigid & specific

263 - Activation of enzyme controlled reaction by _________________ is termed as precursor activation.

Initial substrate

264 - The bond maintaining the linear sequence of amino acids in a polypeptide chain is:

Peptide bond

265 - Two polypeptide chains of insulin protein are held together by which bonds?

Disulphide

266 - Secondary structure of protein is formed by coiling and folding of polypeptide chain by which of the following bond?

Hydrophobic

267 - Which of the following bonds are present in the tertiary structure of proteins?

both A &C

268 - Most important structure in globular proteins is:

Tertiary structure

269 - Pick out the fibrous protein from the following:

Myosin

270 - Change in pH of the medium can disrupt the function of which of the protein readily?

Pepsin

271 - In sickle cell hemoglobin one amino acid is changed in:

Both beta chains

272 - In sickle cell hemoglobin, the change of single nucleotide results in change of amino acid in beta chain at:

6th position

273 - The shape which the protein molecule assumes when its polypeptide chain folds into its final compact form is called protein̢۪s:

Structure

274 - There are how many isomers of glucose?

16

275 - Cellulose is digested in:

Microorganisms

276 - Which is not the component of waxes?

Aldehydes

277 - Lipids are hydrophobic compounds all related to fatty acids except:

Terpenoids

278 - Lipids make cell membranes because they have:

Hydrophobic nature

279 - Bryophytes are adapted to land habitat by preventing evaporative loss of water due to:

Waxes

280 - In phosphatidic acid, phosphoric acid is attached at which carbon of glycerol?

C3

281 - Specific gravity of fats is:

0.8

282 - Point out the neutral lipids:

Acylglycerols

283 - When R group is -CH3 ,the amino acid is called:

Alanine

284 - Pick the carbohydrates that act as storage compounds in living organisms:

Starch & Glycogen

285 - Identify the sugar that can be hydrolyzed and is non-reducing in nature:

Sucrose

286 - The ratio of H:O in lipids is _______________ as compared to carbohydrates.

Very Low

287 - Carbon atom devoid of OH group in ribose is:

X1

288 - Carbohydrate mostly transported in phloem sap is:

Sucrose

289 - Most common fuel for cells is:

Glucose

290 - Which of the sugars is most sweet in taste?

Fructose

291 - Which of the following are not heterogeneous group of organic compounds?

Proteins

292 - Triglycerides are the esters formed by releasing OH from ____________ and H from _________ during dehydration synthesis?

Fatty acids ; Glycerol

293 - Find the odd one out of the following:

Oleic acid

294 - Structure of protein formed by aggregation of polypeptides is:

Quaternary structure

295 - Protein having the role of storage of amino acids in milk is:

Casein

296 - Most abundant organic compounds to be found in the cells are:

Proteins

297 - Human body contains more than ten thousands proteins all of which are composed of unique and specific arrangements of how many amino acids?

20

298 - In living organisms the formation of peptide bond takes place by condensation for which OH group is released from:

Carboxyl group of first amino acid

299 - Most abundant type of RNA in cells is:

mRNA

300 - Type of RNA that folds upon itself to give double helical character mostly is:

tRNA

301 - Compund formed by combination of a pentose sugar and nitrogenous base is:

Nucleoside

302 - In charging of tRNA one molecule of ATP is used by aminoacyl-tRNA synthetase complex to attach one amino acid at _____________ sequence of tRNA.

303 - mRNA has leader sequence of 8 to 13 nucleotides for which complementary sequence is present on:

rRNA

304 - All of the following characters are true about monosaccharides except:

Tasteless

305 - Cotton, paper and wood are materials used in daily life and are the examples of:

Cellulose

306 - Polymers of isoprenoids are called:

Terpenes

307 - Polysaccharide having unbranched chains of glucose and soluble in hot water is:

Amylose

308 - Which of the following is a structural polysaccharide in fungi and animals:

Chitin

309 - When we apply a drop of iodine on bread, it gives a blue colored spot because it has:

Starch

310 - A person suffering from hypoglycemia can immediately take considerable amounts of glucose by eating:

Figs, dates & grapes

311 - Example of most commonly found monosaccharide is:

Glucose

312 - Amount of glucose present in human blood is:

0.0008

313 - Glycosidic bond is absent in:

Ribose

314 - Protein̢۪s conformation which is regular geometric structure is:

ÃŽ±-helix

315 - Size of a protein molecule does not depend on:

Types of bonds

316 - Number of peptide bonds present in ÃŽ±-chain of insulin is:

21

317 - How many water molecules are released in the formation of peptide bonds to form ÃŽ±-chain of hemoglobin is:

140

318 - One hemoglobin molecule has how many heme groups?

1

319 - One hemoglobin molecule has how many amino acids in its polypeptide chains?

576

320 - Number and sequence of amino acids in a polypeptide chain is controlled by:

Both A & B

321 - One turn of the ÃŽ±-helix contains how many amino acids?

3.6

322 - Most abundant protein in the world is:

Rubisco

323 - Characteristic not related to globular proteins is:

Thermostable

324 - Monosaccharides found only in bacteria are:

Tetroses

325 - Monosaccharides intermediate in most of the oxidation reduction reactions are:

Trioses

326 - On hydrolysis of chitin, the subunits released are:

N-acetyl glucose amine

327 - Number of glycosidic bonds in oligosaccharides range from:

1 to 9

328 - Ring structure formed by glucose has how many carbon atoms?

5

329 - Saccharide is taken from Greek word Sakcharon that means:

sugar

330 - Most familiar disaccharide is:

Sucrose

331 - In the formation of glycosidic bond in lactose through dehydration reaction, OH group is released from:

Galactose

332 - Monosaccharide precursor in Calvin cycle is:

Ribulose

333 - Which of the following is most soluble in water?

Starch

334 - For coding the amino acids in ÃŽ²-chain of hemoglobin the mRNA should have how many nucleotides length?

438

335 - Following is not the component of RNA:

Deoxyribose

336 - Synthesis of RNA takes place in cells from DNA by the process of:

Transcription

337 - Nucleic acids are named because of their:

Both B & C

338 - Which of the following act as coenzymes in several oxidation reduction reactions?

Both B & C

339 - ATP act as coenzyme with many enzymes providing source of energy because it has ________ high energy bonds:

2

340 - In a nucleotide phosphate group is attached at C5̢۪ of pentose sugar through:

Phosphoester bond

341 - Mostly enzymes are:

Globular proteins

342 - Enzymes are highly specific to:

All of these

343 - Enzymes are globular proteins that:

Perform all the given roles

344 - Number of double bonds between C to C atoms in unsaturated fatty acids may be:

1 to 6

345 - Lipids are the heterogeneous group of organic compounds related to fatty acids most of which are not polymers except:

Terpenoids

346 - Lipids providing protection from abrasive damage, prevent water loss and acting as barrier for birds, sheep and animals are:

Waxes

347 - Pick the saturated fatty acid with highest number of Carbon atoms.

Stearic acid

348 - Which of the following are derived lipids?

Both A & B

349 - Sterol present in animal cell membranes is:

Cholesterol

350 - Hibernating animals store ______ below skin and around body organs as energy reserve and insulating material.

Amylose

351 - Lipids having most of the metabolic roles in living organisms belong to:

Terpenoids

352 - Lipids production is mostly higher in which of the following cells?

Gonadal cells, Schwann cells & Oligodendrocytes

353 - Most commonly found phospholipid is:

Lecithin

354 - Number of water molecules released in the formation of lecithin is:

4

355 - Waxes providing barrier to apoplast pathway are:

Suberin

356 - Which of the following is not a characteristic of animal fats?

Branched or ringed

357 - Number of carbon atoms in monosaccharides range from:

3 to 7

358 - Waxes are the mixture of esters of long chain fatty acids and long chain alkanes with number of carbon atoms:

25 to 35

359 - Hydrophilic polar head region of a phospholipid molecule is formed by:

Glycerol , Phosphoric acid , Nitrogenous base

360 - Which of the monosaccharide act as CO2 acceptor in Calvin cycle?

Keto-pentose

361 - Glucose combine with fructose to form a non-reducing sugar called sucrose through which bond?

1→2 glycosidic linkage

362 - Glycogen is similar to amylopectin in all aspects except that:

It is not digested in human

363 - Glycosidic linkage is found in all of the following except:

Galactose

364 - Structure of enzyme consists of two major parts, one is active site and other is globular structure, this globular structure is maintained by ______________ in enzyme molecule.

Bulk of amino acids

365 - Every enzyme accelerates the rate of a chemical substance that binds with its specific charge and shape bearing portion of structure, that chemical is:

Substrate

366 - Enzyme involved in protein synthesis is the integral part of:

Large ribosomal subunit

367 - Enzyme responsible for breakdown of glucose into pyruvate are present in:

Cytosol

368 - According to induce fit model active site of enzyme is:

Specific for a group of related substrates

369 - Functions of binding site of active site of an enzyme is recognition of substrate, binding with substrate and formation of:

ES complex

370 - Which of the following is non protein in nature and can be used again and again?

Coenzyme

371 - When non-protein part is loosely attached and is inorganic in nature, it̢۪s called:

Activator

372 - Most of the coenzymes are derived from:

Vitamins

373 - When protein part of enzyme is detached from its cofactor it is inactive and is called:

Apoenzyme

374 - According to unit membrane model of plasma membrane, lipid molecules form__________ of cell membrane.

Triglyceride bilayer with embedded proteins

375 - Cell control center is

Nucleus

376 - Chromosomes are visible during_______ phase.

B and C both

377 - Which of the following acts as berrier between nucleus and cytoplasm?

Nuclear envolpe

378 - Non membranous sub-organelle which is the site of ribosome synthesis is:

Nucleolus

379 - Site of DNA synthesis is:

All of these

380 - Which of the following is responsible to control growth and metabolsim?

Nucleus

381 - Size of nucleus in animal cell is about:

6µ

382 - During cell division in plant cell nucleus is present in____.

Center

383 - Which of the following is first to be formed between primary walls?

Middle lamella

384 - 40S is the smaller ribosomal sub-unit associated with _______.

Yeast

385 - Ribosomes are associated with all of the following organelles except:

Golgi apparatus

386 - Identify non-membranous organelle from the following:

Ribosomes

387 - Identify the correct pair from the following options:

DNA replication - Ribosome

388 - Modification of proteins and lipids into glycoproteins and glycolipids is the function of:

Golgi apparatus

389 - Golgi complex is involved in the formation of _________.

Lysosomes

390 - Strictly speaking, autophagosomes are actually:

Secondary lysosomes

391 - It is a disease characterized by the accumulation of lipids in the brain cells leading to mental retardation and even death:

Tay-Sach̢۪s disease

392 - Which of the following organelle is most abundant in those animal cells which exhibit phagocytic activit

Lysosomes

393 - Glycogenosis II is because of the absence of_______ enzymes.

Lysosomal

394 - Lysosomes are most abundently present in:

WBCs

395 - It is present in all of the following eukaryotic cells and is associated with energy production.

Mitochnoria

396 - Biochemical processes of respiration and energy production is associated:

Mitochondria

397 - Power house of cell is:

mitochondria

398 - Energy currency of the cell is:

ATP

399 - Mitochondria have _______ DNA.

Circular

400 - Mitochondria absent in

Bacterial cell

401 - Which of the following organelle is known as administrator of a cell:

Nucleus

402 - Which of the following cannot be devoid of nucleus?

Animal cell

403 - Golgi appratus is absent in:

Bacterial cells

404 - Pick the odd one out w. r. t. number of layers around them.

ER

405 - Which of the following is known as suicidal bag?

Lysosomes

406 - Lysosomes are_____ membranous organelles.

Single membranous

407 - Lysosomes have enzymes responsibel for:

Catabolism

408 - Phagosome is:

Food vacuole

409 - Primary lysosome combined with food vacuole results to form:

Secondary lysosome

410 - Engulfment of self organelles during starvation is termed as:

Autophagocytosis

411 - In Glycogenosis II_______ is accumulated in liver and muscle cells.

Glycogen

412 - Tay sach's disease is related to which of the following organelle?

Lysosomal

413 - Word stasis means:

Balance

414 - All of the following are present only in eukaryotic cells except:

Plasma membrane

415 - In an advance cell, the process of transcription occurs in all except:

Cytoplasm

416 - Which of the following best describes the function of nucleolus in eukaryotic cells?

Ribosomes synthesis

417 - In simple diffusion molecules move:

Randomly

418 - The type of cytoskeletal proteins that play important role in assembly and disassembly of spindle during mitosis:

Microtubules

419 - Carrier protien bind with plasma membrane and help movement of molecules

Facilitated diffusion

420 - Glucose in the gut of frog and move into bloodstream through:

Facilitated diffusion

421 - Gas molecules move high to low concentration by help of selective permiable membrane

Osmosis

422 - Water molecules move into frog red blood cell when it high out side the body

osmosis

423 - When molecules filters across selective permiability membrane

filteration

424 - In filteration molecules moving from selective permiable membrane

higher to lower

425 - In filteration which force use for pressuring molecules

hydrostatice

426 - Which of the following best describes the function of RER in eukaryotic cells?

Synthesis of proteins

427 - Which of the following statement is incorrect regarding endoplasmic reticulum?

RER is more than SER in adipose tissue

428 - A function that is not related to smooth endoplasmic reticulum:

Enzyme synthesis

429 - Which of the following organelle is associated with the single membrane?

Endoplasmic Reticulum

430 - Which of the following function is performed by both types of endoplasmic reticulum?

Mechanical support

431 - Which of the following organelle is responsible for the production of steroid hormones?

Smooth endoplasmic reticulum

432 - All of the following organelles contain DNA except:

Ribosomes

433 - All of the following are the examples of organs except:

Mitochondria

434 - Heart is

Organ

435 - Group of different organs performing related functions form

Organ system

436 - An organ is made by the combination of:

Distinct tissues

437 - Subcellular structures which are associated with the division of labour:

Organelles

438 - A thin sheet of molecules or layer around the cells acting as a boundary is termed as:

Cell membrane

439 - A typicall plant cell without its cell wall is termed as:

Protoplast

440 - Molecules having larger moelcular mass are known as:

Macromolecules

441 - Molecules having smaller moelcular mass are known as:

Micromolecules

442 - A group of atom bounded together is

Molecule

443 - Which of the following is not present in plant cells?

Flagella

444 - All of following are common molecules in membrane of all type of cells except:

Cholesterol

445 - Which of the following describes the fluid mosaic model of plasma membrane structure?

Phospholipid bilayer with embedded proteins

446 - Which of the following acts as receptor site on plasma membrane?

Glycoprotein

447 - A function that is not related to smooth endoplasmic reticulum:

Enzyme synthesis

448 - All of the following organelles contain DNA except:

Ribososomes

449 - 40S is the smaller ribosomal sub-unit associated with _______.

Yeast

450 - Non polar ends of phospholipids in the cell membrane are oriented to the ________ portion of cell:

Mid

451 - Ribosomes are associated with all of the following organelles except:

Golgi apparatus

452 - Identify non-membranous organelle from the following:

Ribososomes

453 - The smallest particle of a chemical element that can exist

Atom

454 - A living organism that feed on organic matter is

animal

455 - Cell wall present in

prokaryotes

456 - In animal wich thing is absent

cell wal

457 - Centrioles and microtubules organizing center is absent in

prokaryotes

458 - Centrioles and microtubules organizing center is present in

eukaryotes

459 - Which thing present in both eukaryotes and prokaryotes

Cell wall

460 - Which of the following is present in both prokayotic and eukaryotic cells?

Ribosomes

461 - Which of the following is known as Kitchen of the cell?

Chloroplast

462 - Which of the following is present in all living cells?

Cell membrane

463 - Glycolipid and glycoprotein receptors which are responsible for recognize substances to enter and leave the cells are located on:

Plasma membrane

464 - Outer most bounter in animal cells is:

Plasma membrane

465 - The word cyto means

Hollow vessel

466 - Meaning of the word plams is:

Fluid

467 - The component of the cell between nucleus and cell membrane is termed as:

Cytoplasm

468 - Soluble part of the living cell is known as:

Cytosole

469 - The ground substance of the cytoplasm is:

Cytosole

470 - The group of similar cells performing similar functions:

Tissue

471 - The world organ meaning

Instrument

472 - Collection of tissues that strucurally form a functional unit

Organ

473 - The organelle which is necessary for photosynthesis :

Chloroplast

474 - Sun energy converted into chemical energy with the help of:

Chloroplast

475 - Single circular chromosome of DNA is present in

Eukaryotic cell

476 - Linear of DNA which is the part of chromosome is present in:

Prokaryotes

477 - Cilia completely absent in

Bacteria

478 - Which of the following structure is not present in all types?

All of these

479 - Cytoskeleton is absent in_____.

Prokaryotes

480 - Cytoskeleton is present in________.

Eukaryotes

481 - Endoplasmic absent in_____ cells.

Prokaryotic cell

482 - Endoplasmic present in ______.

B and C both

483 - Which of the following is present in all living organisms?

DNA

484 - Ions move and attach with cell inner scaffolding:

Cytoskeleton

485 - When carbohydrate unites with protien then make:

Glycoprotien

486 - When carbohydrate unites with lipid then make:

Glycolipds

487 - Surface carbohydrate and portion of protien makeup:

Glycocalyx

488 - All of the following are present both in plant and animal cells except:

Chloroplast

489 - Which of the following are least abundant organic compounds in the cell membrane?

Carbohydrates

490 - Which of the following is necessary for cell to cell recognition?

Glycocalyx

491 - Hydrophilic portion of plasma membrane is present in/at:

A and B both

492 - Key component for coordinating cell behaviour

Glycocalyx

493 - Structure and function of a typical cell usually apply to

all animals

494 - Different cell types organize into structure and functional units called

all

495 - The simplest organization of matter that exhibts properties of life

Cell

496 - The organism that consist of one cell

Unicellular

497 - The organism that consist of more than one cell

Multicellular

498 - which of the following is important for the maintenance and reproduction of living organisms?

Chemical reaction

499 - which of the following organisms are always unicellular and can survice independelty?

Bactera

500 - Bacteria are:

Prokaryotes

501 - DNA localized in region but not bounded in membrane, is the character of:

Bacteria

502 - The cell which are without nucleus:

Bacteria

503 - It is a true cell wall in a newly growing cell:

Primary wall

504 - Which of the following is not the component of primary wall in plant cells?

Cutin

505 - Distinguishing feature of prokaryotic cell is its:

Cell wall

506 - Which of the following is more appropriate to study chloroplast?

Alga

507 - All of the following are related to active transport except:

Osmosis

508 - Membrane with receptors which have specific identification:

Cell membrane

509 - Plasma membrane is able to keep some substance in and some out because of its:

Selective permiability

510 - Celllar homeostasis maintain by:

Selective permiability

511 - It is not associated with the use of energy for the transport of materials across the cell membrane:

All of these

512 - The word Homeo means:

Abnormal

513 - All of the following have prominent nuclei except:

Bacterial cells

514 - Cell which have DNA bounding with membrane is

Eukaryotic cell

515 - Different organic and inorganic molecules combine with each other within the cell to form:

Organelles

516 - Division of labour within the cell is becaoue of:

Organelles

517 - A network of specialized structures within a cell

A & B both

518 - Cytoskeleton is the characteristic feature of_______ cell.

Eukaryotic

519 - Filament and tubules organized into:

Cytoskeleton

520 - which of the following gives definite shape and internal motion?

Intermediate filament

521 - The outer boundry of Plant cells is:

Cell wall

522 - Cell membrane which seprates internal metabolic events from the environment is also known as:

Plasma membrane

523 - Cisternae are present are associated with:

All of these

524 - Series of flattened sacs within the cytoplasm of eukaryotic cell are known as:

Cisternae

525 - A slender threadlike structure associated with locomotion:

Flagellum

526 - Flagellum is present in

a and b both

527 - The pericellular metrix with glycoprotien is known as:

Gycocalyx

528 - Glycocalyx is the charateristic feature of______ cells.

Prokaryotic

529 - Glycocalyx incules:

B and C both

530 - A complex of vesicles and folded membranes are the part of:

Golgi apparatus

531 - Golgi apparatus are responsible for the formation of:

Conjugate molecules

532 - It is an organelle which is involved in the production of cellular secretions and intracellular transport.

Golgi appratus

533 - All of the following are the components of cell membrane of all the living organisms except:

Steroids

534 - Survival of a cell is possible without all of the following except:

Plasma membrane

535 - Sarcoplasmic reticulum in muscle cell is actually ______________.

SES

536 - Which of the following organelle is responsible for the production of steroid hormones?

SES

537 - Which of the following is used to understand Animal cell?

Electron microscope

538 - Fluid mosaic model of membrane structure was proposed in:

1972

539 - In a typical compound microscope, the resolving power is ________, which is about _______ that of naked eye, respectively.

2.0µm, 500X

540 - Which of the following type of microscope is used to study the internal structures of a cell?

Electron microscope

541 - It is an example of semiautonomous organelle found in both animal and plant cells:

Mitochondria

542 - Phospholipids produce sea and which thing float like ice berg:

Protien

543 - Basic structural and functional unit of life is

Cell

544 - Who discovered Cell?

Robert Hooke

545 - Cell was discovered in:

1665

546 - According to the cell theory cell is made up of______ basic components.

3

547 - Nucleus in the cell was discovered by:

Robert Brown

548 - Cell theory was proposed by:

Both A and B

549 - According to the cell theory cell is made up of basic components.

All

550 - Which of the Cells show considerable degree of internal organization?

A and C both

551 - In which of the following cells has no nucleus?

E.coli

552 - Which of the following is present in both prokayotic and eukaryotic cells?

All of these

553 - Which of the following is known is factory of protein synthesis?

Ribosomes

554 - Which of the following is known is factory of Ribosomes synthesis?

Nucleolus

555 - Ribosomes are___________ molecules.

Nucleoproteins

556 - New Ribosomes are assembled in:

Nucleolus

557 - It is an example of semiautonomous organelle found in all eukaryotic autotrophic cells:

lysosomes

558 - Waste materials in plant and animal cells are accumulated in:

Vacuole

559 - Maintaining an acidic internal pH of cell is the function of:

Vacuole

560 - Hydrophobic portion of plasma membrane is present in/at:

Inner core of plasma membrane

561 - Identify Single membranous organelle from the following:

Golgi apparatus

562 - Identify the correct pair from the following options:

Modification - Golgi apparatus

563 - Golgi complex is involved in the formation of _________.

Lysosomes

564 - Which of the following organelle is most abundant in those animal cells which exhibit phagocytic activity?

Lysosomes

565 - Strictly speaking, autophagosomes are actually:

Secondary lysosomes

566 - It is a disease characterized by the accumulation of lipids in the brain cells leading to mental retardation and even death:

Tay-Sach̢۪s disease

567 - Which individual molecules are attached at inner and outer surface of membrane?

Protiens

568 - What is the specific name given to biological membrane that surrounds the vacuoles?

Tonoplast

569 - _______ provides support for the individual plant cell and contributes to the turgidity of the leaves and younger parts of plants.

Vacuole

570 - The ability of the microscope to distinguish between two closely placed objects is known as:

Resolution power

571 - In pakistan_________ genera and ___________ species of family caesalpiniaceae are reported.

16,60

572 - Which one is not related to family caesalpiniaceae:

Arachis hypogea

573 - Which one is true about calyx of family caesalpiniaceae:

All of these

574 - Androecium of family caesalpiniaceae contain_stamens.

10

575 - Fruit of family caesalpiniaceae is:

Legume

576 - Leaves of _are used to cure ring worms and skin diseases.

Cassia alata

577 - _yeild drug senna.

Both b and c

578 - Oil is extracted from seeds of _.

Cynametera cauliflora

579 - Common name of Bauhinia variegata is:

Kachnar

580 - Sassia fistula is scientific name of:

Amaltas

581 - Traditional name of family Fabaceae is:

Legume or bean family

582 - In raceme the flowers are:

Arranged in acropetal succession

583 - Family mimosa is called:

Acacia family

584 - In onion inflorescence is:

Umbel

585 - Ptridophytes are also called:

Spermatophytes

586 - In ptridophytes reduction dividion occur when :

Spores are formed

587 - Phloem of gymnosperms differ from angiosperm in:

lacking companion cells

588 - Intine of pollen grains is composed of:

Lipids and proteins

589 - Self pollination occur between stamens and carpels of:

Same flower or different flowers of same plant

590 - Deposition of pollen on different plant is called:

Geitonogamy

591 - _Contains microspores.

Anther

592 - Microspores containing male gametophyte are called:

Pollen

593 - Carpels contains:

All of these

594 - After pollination the pollen grains are transferred into:

Stigma

595 - Nucleus is divided into :

Two male gametes and one egg

596 - Certain changes in ovule form:

Megaspore

597 - Gametophyte consist of _cells.

7

598 - In double fertilization:

One gamete and egg fuse to form endosperm nucleus

599 - Endosperm is muticellular_.

Nutritive tissue

600 - Integuments of ovule form:

Testa

601 - Filicianeae contains:

Seedless pants with foliar sporangia

602 - In filicianeae leaves are called:

Fronds

603 - Coiling pattren of development is called:

Involute vernation

604 - Ferns are abundant in:

Tropics

605 - Maiden hairfern is another name of:

Adiantum

606 - Adiantum is _ containg root,stem and leaves.

Small herb

607 - Stem of adiantum is usually:

Small,thick and underground rhizome

608 - Rhizome in adiantum is protected by:

Ramenta

609 - Adventitious roots arise from:

Lower side of rhizome

610 - Pinnately compound fronds arise from :

Upper side of rhizome

611 - Space between overtopped branches was occupied by :

Sheet of parenchyma cells

612 - During fusion vascular strands resulted in the formation of:

Reticular venation

613 - Process of evolution completed in more than _years.

15 _ 20

614 - Lycopsida have plants differentiated into:

Root ,stem and true leaves

615 - Leaves of lycopsida are _and are called_.

Single veined,microphyll

616 - In lycopsida arrangment of leaves is:

Spiral

617 - In lycopsida sporangia are arranged to form:

Strobili

618 - Sporophyte may have sporangia of:

Two types

619 - Lycoposida are called:

Both b and c

620 - Leaves of lycopsida resemble with:

Mosses

621 - Simplest bryophytes are:

Hepaticopsida

622 - Thalloid of liverworts may be:

All of these

623 - Sex organs of liverworts grow:

On the surface of thallus near tips of branches

624 - Marchantia and Porella are examples of:

Liverworts

625 - In_sex organs are sometimes developed on special branches.

Anthoceros

626 - Sporocyte is:

Diploid

627 - Bryopsida contrast to other bryphytes because of:

They can equally grow in dry places

628 - Bryopsida usualy grow to form:

Cushions of mats

629 - In Bryopsida gametophyte is diiferentiated into structures that resemble with :

Stem and leaves

630 - Examples of mosses are:

Funaria and polytrichum

631 - Megaspore germinates into:

Female gametophyte

632 - In _ plants megaspor is not allowed to escape:

Selanginella

633 - Formation of_leads to formaton of ovule.

Integument

634 - In carboniferous period_plants were present.

Fern

635 - Megaspore mother cells with in megasporangium produces _gametophytes.

4

636 - _megaspore selected and_is aborted.

1,3

637 - Female gametophyte is called:

Embryo sac

638 - _end form pollen tube.

Distal end

639 - Megasporangium after fertilization porduces:

Seed

640 - Integuments become_.

Seed coat

641 - Bryophytes are small and some may exceed _in length.

2cm

642 - In moss plants sex organs are intermix with some multicellular hair like structures called:

Paraphysis

643 - Two sex organs may occur on same plant,called:

Monoecieous

644 - Class angiospermae has common name:

Flowering plants

645 - Sex organs present on separate plants,called:

Monoecious

646 - The layer of cutin is called:

Cuticle

647 - Sterile hairs provide protection from:

Drying of sex organs

648 - In marchantia _like structure bear archigonia:

Umbrella

649 - Common name of sphenopsida is:

Horse tail

650 - Liverworts include_species.

900

651 - Which one are used as timber plants:

Butea ,Dalbergia

652 - Which one is used as formation of vegetative oil:

Arachis hypogea

653 - Indigo dyes are obtained from:

Both a and b

654 - _is used for cough and cold.

Glycyrrhiza glabra

655 - _is used againist snake bite.

Clitoria ternatea

656 - Seeds of _are used by jewellers as weight.

Abrus precatorious

657 - _colured seeds of Abrus precatotrious are used as weights.

Red and white

658 - Some important ornamental plants are:

All of these

659 - Family caesalpiniaceae includes_genera.

152

660 - Family caesalpiniaceae includes about_species.

2300

661 - According to fossile record megaphylls evolve from :

Forked branches

662 - After webbing of leaf structure resembles with:

Weebed foot of duck

663 - The transport of male gamate in pteridophytes occur through:

Wind

664 - An evolutionary important character of selaginella is:

Hetrosporus nature

665 - Meiosis occur in:

Megaspore

666 - Exine of pollen grains cotain:

Cellulose and pectin

667 - Kindgom plantae isalso known as:

Metaphytes

668 - The process in which male gamete is attracted towards female gamete is called:

Chemotactic process

669 - Pollen grains of flowers pollinated by by insects are not:

Large and showy

670 - Pteropsida is divided into _classes.

3

671 - Shisham is common name of:

Dalbergia sissoo

672 - Which one not related to stem of family fabacea:

Woody

673 - Leaves of of family fabaceae are:

Compound nearly simple

674 - Inflorescence of fabaceae is:

Racemose or solitary

675 - Flowers of family fabaceae are:

All of these

676 - 5 sepals of family fabaceae are:

Both a and b

677 - Upper posterior petal is large and conspicuous and is called_.

Standart or vexillum

678 - Lateral petals are called:

Wings

679 - 2 anterior petals are called:

keel

680 - Keel is _structure.

Boat shaped

681 - Wisky is prepared from:

All of these

682 - Fibers from the leaves of _are used in making ropes.

Saccharum munja

683 - Perianth is equal to:

Calyx + Corolla

684 - Stamen is equal to:

Anther +stalk

685 - _structure containing pollen grains.

Anther

686 - _chamber containg Ovules:

Locule

687 - _structure connecting ovary and stigma.

Stlye

688 - _place of attachment of ovules within ovary.

Placenta

689 - A flower having both sexes is called:

Perfect flower

690 - % ⚥ K(5) C1+2+(2) A(9)+1 G1 is Floral formula of :

Fabaceae

691 - Stomium occupies_of edge.

One fourth

692 - Annular cells have their radial and inner walls:

Thick

693 - Stomial cells have_walls.

Thin

694 - Spore fall on moist soil and germinates into:

Prothallus

695 - Prothallus is:

Autotrophic

696 - Prothallus is_like structure.

Heart

697 - Notch contains:

Growing point

698 - Prothallus is about_in diameter.

8mm

699 - Prothallus is placed_on soil.

Horizontally

700 - Margin of prothallus is_thick and middle is_thick.

One celled, many celled

701 - leaves of_are used to make tabacoo and cigarettes.

Nitcotiana tabacum

702 - _produces alkaloids.

Atropa bellandona

703 - _is used medicinally.

Datura

704 - Which one produces beautiful flowers:

All of these

705 - Family fabaceae contains about_genera.

400

706 - Family fabaceae contains_species.

9000

707 - In Pakistan there are _genera and _species of family fabaceae.

82587

708 - Family fabaceae includes:

All of these

709 - Common name of Arachis hypogea is:

Peanut

710 - Common name of Cicer arietinum is:

Chick pea

711 - Placentation in solanaceae is :

Axile

712 - Most important member of solanaceae is:

Solanum tuberosum

713 - Botanical name of solanum tuberosum is:

Both a and b

714 - Scientific name of lycopersicum esculentum is:

Tomato

715 - _was believed to be poisonous:

Lycopersicum esculentum

716 - Food plant is:

Solamun malengena

717 - Common name of Solamun malengena is:

Both a and c

718 - Fruit of Capsicum annum are rich in vitamin_.

A and C

719 - Common name of Physalis is:

Ground cherry

720 - Physalis produces an edible fruit called:

Husk tomato

721 - Gmetophyte may be _which is differentiated into different structures.

Thalloid

722 - Which statement is not true about sporophyte:

None of these

723 - Sporophyte of bryophytes generally consist of:

Foot , seta and capsule

724 - Class filicinaeae has common name:

Ferns

725 - Sex organs are protected by:

Sterile covering of cells

726 - Gamates are produced by:

Mitosis

727 - Male gamates are called:

Anthrozoids

728 - Alternation of generation provides :

Both a and b

729 - Subdivision psilopsida has common name:

Whisk ferns

730 - Sporophyte remains attached with gametophyte because:

It lack chloroplasts

731 - In bryopsida clusters mixed with sterile hairs are called:

Paraphyses

732 - Spore of a moss develop into an alga like structure called:

Potonema

733 - Haploid moss develop from:

Protonema

734 - Advance group of bryophtes is:

Anthoceropsida

735 - Gametophyte of hornworts is:

Highly lobed and irregular

736 - In anthoceropsida:

Sporophyte is independent of gametophyte

737 - Antheridia and archegonia are:

Partialy sunken in gametophytic tissues

738 - Which one is not an Advance character of anthoceropsida:

Protonema formation

739 - In anthoceropsida at the junction of foot and spore there is:

Meristematic tissues

740 - Fuction of meristematic tissues is:

Both a and b

741 - Tegmen and ovary wall develop into:

Fruit

742 - Zygote develop into:

Embryo

743 - Endosperm is:

3n

744 - Class angiosperms is divided in _subclasses.

2

745 - Arrangment of vascular tissues in monocots is:

Bundles in rings

746 - Arrangment of vascular tissues in diocots is:

Bundles are scattered

747 - Vein pattren in leaf of monocoats is:

Net veins

748 - Vein pattren in leaf of diocoats is:

Parallel veins

749 - There are _angiospermic families.

6

750 - Family rosaceae contain _ about genera.

100

751 - Androecium of fabacea contain_stamens.

10

752 - 9 stamens fuse to form :

Sheath round the pistil

753 - Which one is not true about gynoecium of fabaceae:

Style is not bent it is straight

754 - Placentation of fabaceae is:

Mono carpellary

755 - Fruit of fabaceae family usually is:

Legume or pod

756 - Pulse yeilding plants are:

All of these

757 - Pulses are rich in:

Proteins

758 - Common name of Medicago sativa is:

Alfafa

759 - World's best forage crop for houses is:

Medicago sativa

760 - Which one is not cultivated as main fodder crops:

Medicago sativa

761 - Tamarindus indica is rich in:

Tartaric acid

762 - Bark of _are used in tanning:

Both a and b

763 - Mimosaceae family contain about _genera.

56

764 - Mimosaceae family contain _about species.

2800

765 - In pakistan _genera and about_species of Mimosaceae family.

4,18

766 - Which one is not related to family mimosaceae.

None of these

767 - Most member of family mimosaceae are:

Xerophytes

768 - Inflorescence of family mimosaceae is:

All of these

769 - 5 sepals of family mimosaceae are:

Fused or toothed

770 - _plants provide important wood.

All of these

771 - Gymnosperms constitute about _of forests.

Two third

772 - The term gymnosperms means:

Naked seed

773 - Ovules in gymnosperms are produced on:

Exposed surface

774 - Genus Cycas includes:

Sago palm

775 - Genus cedrus includes:

Deodar

776 - Genus picea includes:

hemlock

777 - Pine is a:

Conifer

778 - Angiosperms means:

Enclosed seed

779 - Ovary is changed into:

Fruit

780 - There are_ number of peatals in monocoats.

both a and b

781 - Persistent and accrescent calyx occurs in:

Physalis

782 - Anthers dehisce by terminal pores in:

Solanum

783 - Vascular bundles are bicollateral while corolla is plicate in bud in family:

Solanaceae

784 - Chilli is:

Capsicum annuum

785 - Nicotine is obtained from a plant belonging to:

Solanaceae

786 - Bracts arranged along selender axis are called:

Rachilis

787 - Lower bracts are called:

Glumes

788 - Succeeding lemmas enclosing and opposed by a hyaline scales are called:

Palea

789 - Lemmas,palea and flower as whole are called:

Floret

790 - Lemmas bearing bristles are called:

Awns

791 - The stips and rachis are:

Black ,smooth and shiny

792 - Group of sporangia are called:

Sori

793 - Sori are born on:

Margins of leaflets

794 - Sori are protected by bent margin of leaflets , by :

Formation of false indusium.

795 - Sporophyte of adiantum is:

Large , separate and independent

796 - Colour of sori is:

Green

797 - When sori are mature their colour is:

Dark brown

798 - Leaves bearing sporangia are called:

Sporophylls

799 - The edge of capsule consist of following two parts:

Annulus and stomium

800 - Annulus occupies_of edge.

Three fourth

801 - Family rosaceae contain _ species.

2000

802 - In pakistan _genera abd about_species of rosaceae.

29213

803 - Which one is not related to family rosaceae:

Mimosa

804 - Plants of family rosaceae are:

All of these

805 - Which one is not related to leaves of family rosaceae:

Leaves are with single stipules

806 - Infloresence of rosaceae is:

all are possible

807 - Flowers of rosaceae are:

Both a and b

808 - Calyx in rosaceae are:

5

809 - Sepals in rosaceae are:

Rarely 4

810 - Petals in rosaceae are:

Multiple of 5

811 - Relatioship between fungus and gametophyte is:

symbiotic or mycorrhizae

812 - _two genera of psilopsida are living genera:

Psilotum and Tmesipeteris

813 - Early vascular plants have:

Branched erect smooth aerial parts

814 - Large leaves have divided veins and veinlets with :

Leaf blade or lumina

815 - Megaphylls are characteristics of:

Both a and b

816 - Evolution of megaphylls started from:

Psilosida

817 - Evolution of megaphylls started _years ago:

350 millions

818 - In overtopping there is:

Unequal branching

819 - In overtopping all branches grow in:

In different plane

820 - Arrangment of unequal branches in one plane is called:

Plantation

821 - Wood of_is used I cabinet work.

Albizzia lebbek

822 - Arabic gum is obtained from_.

Both a and b

823 - Katha is is dye obtained from:

Acacia catechu

824 - Leaves of_are used in blood purifier.

Acacia nilotica

825 - Some species of _are used for breaking wind pressure.

Prosopis

826 - Family poaceae contains_genera.

600

827 - Family poaceae contains_species.

10000

828 - In pakistan _genera and _species of family poaceae are reported.

158492

829 - Traditional name of family poaceae is:

Gramineae

830 - Which one is not related to family poaceae:

None of these

831 - Example of lycopoda is:

Lycopodium

832 - Leaf with single undivided vein is called:

Microphyll

833 - In micropyhyllundivided vein has:

Vascular supply

834 - Tracheophytes are called vascular plants because of:

Vascular tissues

835 - Which one is not related to tracheophtes:

Homomorphic alternation of generation

836 - Pollen tube is used :

For safe transfer of male gamate

837 - In psilopsida plants have _.

Rootless sporophyte

838 - In psilopsida stem is divided into_.

Both a and b

839 - In psilopsida aerial branches are _.

Green and leafless

840 - Aerial branches contain _that carry out photosynthese.

Small veinless outgrowths

841 - Oryza sativa is botanical name of:

Rice

842 - Barley has scientific name:

Hordeum valgare

843 - Secale cereale is botanical name of:

Rye

844 - Saccharum officinarum is botanical name of:

Sugar cane

845 - _is used in building materials for thatching huts.

Bambusa

846 - Leaves of _are used to horses as cure of cold and cough.

Bambusa

847 - Lemmon grass oil is used in:

Both a and b

848 - Cymbopogon citratus I botanical name of:

Lemon grass

849 - Some species of grasses are used in making:

Paper

850 - Ethyle alcohol are prepared from:

Cereals

851 - In pakistan _genera and about_species of solanceae.

14,52

852 - Which one is not related to solanaceae:

Arachis hypogea

853 - Plants in solanaceae are:

All of these

854 - Stem of potato family plant is:

Hairy or prickly

855 - Infloresence of solanaceae is:

All of these

856 - Flowers of solanaceae are:

Both a and b

857 - Calyx in solanaceae are:

5 sepals

858 - Petals in solanaceae are:

5 petals

859 - Stamens of salanaceae are:

5

860 - Which one is true about gynoecium of solanaceae:

All of these

861 - Archigonium cosist of :

Venter and neck

862 - Changes in reproductive structure of vascular plants started_years ago.

390 millions

863 - First complete seed appeared _years ago.

365 millions

864 - First complete seed was appeared in_times.

Late devonian

865 - Seed may be defined as:

Fertilized ovule

866 - _is an indehiscent megasporangium.

Ovule

867 - Integuments are:

Protective covering

868 - Seed producing plants are called:

Spermatophytes

869 - All plants upto _are homosporous.

Pteridophytes

870 - Microspore germinate into:

Male gametophyte

871 - Minute hyaline or freshly scales are called:

Lodicules

872 - Androceium of family poaceae contains_stamens.

1 to 6

873 - 3 stamens of family poaeae are usually :

Delicate filaments

874 - Which one is related to gynoecium of family poaceae:

All of these

875 - Fruit if family poaceae is:

Grains or caryopsis

876 - Caryopsis is :

All of these

877 - Dried stem and leaves of_are used as fodder for cattles.

Cereal crops

878 - Sugar is obtained from _.

Saccharum officinarum

879 - Scientific name of sugar cane is_.

Saccharum officinarum

880 - Avena sativa is botanical name of:

Oats

881 - Natural relationship among living organisms and their mode of orign is called:

Phylogenetic system of classification

882 - Kingdom plantae mainly includes organisms which :

Develop from embryo

883 - Plantae are divided into_catagories i.e _.

2, Bryophyta and tracheophyta

884 - Non-vascular plants are called:

Bryophyta

885 - Vascular plants are called:

Tracheophyta

886 - Bryophyta and tracheophyta are_of kingdom plantae.

Divisions

887 - First plants to be colonized on land were:

Bryophytes

888 - Which one is not related to brophytes:

They don't contain alternation of generation

889 - Common name of Anthrocerapsida is:

Hornworts

890 - Brophytes are devoid of:

Sclerenchyma tissues

891 - Habit of family poaceae is:

Annual or perennial herb

892 - Fruits of the solanaceae family are:

Capsule or berry

893 - Obligately placed superior ovary is the characteristic of:

Solanaceae

894 - A floral formula does not tell about:

Placenataion

895 - Which of the following flowers is perigynous?

All of these

896 - Axile placentation is not found in family:

Fabaceae

897 - What is the placentation in the unilocular ovary with a single ovule?

Basal

898 - Petals of which of the following flowers form a keel?

Rose

899 - Odd sepal is anterior in family:

Fabaceae

900 - Brophytes are called amphibians of the plants because :

Both b and c

901 - Bryophytes are :

Non-vascular flowerless plants

902 - Bryophytes are adopted to live on:

Damped and shady places

903 - Common name of subdivision pteropsida is:

Fern seed plants

904 - Bryophytes have :

Independent Gametophyte

905 - Saporophyte of bryophytes is:

Diploid

906 - Gametophyte of bryophytes is:

Haploid

907 - Male sex organ is called:

Antheridia

908 - Female sex organ is called:

Archegonia

909 - Common name of hepaticopsida is:

Liverworts

910 - Ovary in rosaceae is generally :

Superior and some times inferior

911 - Placentation is :

Basal and axile

912 - Which one is related to family rosaceae:

All of these

913 - Important fruits of rosaceae are:

All of these

914 - Branches of_provide excellent wood.

Crataegus

915 - Ark-gulab is used for curing_diseases .

Eye

916 - Wood of _is used for making tabacoo pipes.

Pyrus pastia

917 - Family solanaceae is also called:

both a and b

918 - Family solanaceae about_ genera:

90

919 - Family solanceae contain_species.

2000

920 - Lycopsida are refered as:

Homozygous or hetrozygous

921 - Selaginella resembles with_.

Seed producing plants

922 - Saleginella resembles with seed produing plants because of:

Hetrospory

923 - In sphenopsida leaves are:

Both a and b

924 - Scales of sphenopsida are arranged into:

Whorls

925 - Plants belonging to sphenopsida are called:

Arthrophytes

926 - Which one is related to bryophytes:

All of these

927 - There are _hypothesis for origin of microphylls:

2

928 - Name of two hypothesis are:

Outgrowth hypothesis and Reduction hypothesis

929 - According to outgrowth hypothesis single veined leaves origniate from:

Naked branches

930 - Nmber of petals in dicots is:

3 or multiple of 3

931 - Angiosperms make about_species of plants.

235000

932 - Total species of plants are:

360000

933 - Angioaperms produce:

Flowers , seed and fruits

934 - Aflower is a:

Modified shoot

935 - A flower consist of:

Pedicel , thalamus and floral leaves

936 - Floral leaves contain:

All of these

937 - _are non essential floral parts.

Sepals and petals

938 - Essential parts of flower are:

Carpels and stamens

939 - Function of sepals and petals is:

All of these

940 - In psilopsida sporangia develop :

All of these

941 - _is considered as earliest group of vascular plants.

Psilopsida

942 - Vascular tissue of psilopsida is:

Narrow , without pith

943 - Which one is not related to psilosida:

Adiantum

944 - There are_genera of psilopsida.

3

945 - Which one is not genera of psilopsida.

Bryophyta

946 - which one is not extinct group of psilosida:

Marchantia

947 - Thalloid of psilosida is:

Colourless and underground

948 - Thalloid of psilosida contain _which provides food to _.

Fungus,food

949 - In return gametophyte provides:

Protection

950 - Bryophytes are:

Homosporous

951 - Presence of _provides protection from water loss.

Cuticle

952 - Brophytes do not contain_the essential protein.

Lignin

953 - Classgymnospermae has common name:

Naked seed plants

954 - Bryophytes are small plants even lasgest moss grow upto:

50cm

955 - Bryophytes have property of:

Parasexuality

956 - Egg is:

Non-motile

957 - Egg contains:

Stored food

958 - Subdivision lycopsida has common name:

Club mosses

959 - Which one are considered a link between aquatic and land plants:

Bryophytes

960 - Example of anthoceropsida is:

Anthoceros

961 - Anthoceros is present in:

Hilly places

962 - A haploid _fuses with haploid egg to produce_.

Spermatozoids, oospore

963 - Gmetophyte is_generation.

Dominant

964 - Gmetophyte begins with_and ends with_.

Spore and gamate

965 - Sporophyte begins with_ and ends with_.

Oospore , spore mother cells

966 - Cooksonia has:

Naked stem with leaves

967 - Cooksonia started to form leaves as:

As small scales

968 - First plant that formed true leaves:

Lycopods

969 - Scales formed as a result of outgrowths in cooksonia was not refered as true leaves because:

They do not contain vascular tissues

970 - The white fly belongs to which class?

Insecta

971 - The order of white fly order is

hemiptera

972 - The order of white fly is.....

Aleyrodidae

973 - Molting and discolouration of leaves are the symptoms of.....

TMV

974 - Which virus effects the tobacco plant?

TM

975 - The virus which was discovered first?

TMV

976 - The TMV was known from........century

19th

977 - The TMV discovered as a virus on plants in.....

1930

978 - Who described TMV first time?

Adolf Mayer

979 - Adolf mayer described the TMV as caused the disease in....

1883

980 - Paramyxoviruses are viruses which cause:

a&b both

981 - The ........ of adults are immune from mumps.

0.6

982 - One of the common disease in childhood is

Measles

983 - Poliomyelitis is caused by:

Polio virus

984 - The shape of polio virus shape is:

Spherical

985 - HIV is transmitted by intimate

All

986 - Vaccine for HIV experimental administration in human has started in early......

2001

987 - Vaccination for HIV in human is started first in......

Sauth America

988 - Who gave the word "Virus" ?

a&b both

989 - The date of birth of Louis Pasteur is.....

1822

990 - Entomology is the study of....

Insects

991 - Adolf mayer thought that TM is a disease and spread by.....

Bacterial infection

992 - First symptoms of TMV is....

Light green colouration

993 - The TMV can reduce the production of tobacco upto .....

0.02

994 - How many individuals species can be infected by TMV?

125

995 - Which plant is effected by TMV?

All

996 - The TMV is related to which class on the basis of temperature effects?

Thermostable

997 - The TMV can withstand the temperature up to ....

120F

998 - The TMV can withstand temperature up to 120F for ...... minutes.....

30

999 - What is the code of TMV?

RdRp

1000 - The TMV enters in plants by which method?

Mechanically

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