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1 - In term of spore production Selaginella is characterized by________________?
Hetrosporous
2 - Which of the following tracheophytes are also called arthrophytes______________?
Sphenopsids
3 - Equistem is an example of___________?
Sphenopsida
4 - Bryophtes are called amphiabians of plant world because:
Bryophytes like amphibian live in damp shady places and close to water body.
5 - Today the land habitat is dominated by__________________?
Tracheophytes
6 - Hornwarts are included in sub-class of __________?
Anthoceropsida
7 - Of the following which one is not the characteristic of the plants included in psilopsida_____________?
Rhizoids bear Rhizome
8 - Horsetails are included in class of____________?
Sphenopeida
9 - Megaphylls are characteristic for____________?
Seed plants
10 - In bryophytes fertilization takes place in___________?
Archegonia
11 - The dichotomously branching system has shape similar to________________?
Y
12 - Which of the following statement about alternation of generation in bryophytes is incorrect?
Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
13 - The space between the overtopped dichotomous branches was occupies by a sheet of _________ cells during evolution of megaphyllas?
Chlorenchyma
14 - Production of two types of spores is known as________________?
Heterospory
15 - Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by____________?
Chemotactic phenomenon
16 - The zygote formed in liverworts is___________?
Unicellular
17 - Ground pries are also known as___________?
Both of these
18 - Sporophyte is____________?
Diploid
19 - Which of the following plant group first formed true leaves________________?
Lycopsida
20 - Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of ___________________?
Both b and c
21 - Mosses are included in sub-division of ___________?
Bryopsida
22 - The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?
Planation
23 - The simplest of all bryophytes are___________?
Liverworts
24 - Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
They belong to sphenopsida
25 - Antheridiophore and archegoniophore are found in_____________?
Both of these
26 - Due to which property of Adiantum and example of Filicinae is called Maidenhairfern________________?
Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
27 - Specialized protective coverings around megasporangium which vary in number are called_________________?
Integuments
28 - Protonema is___________?
Algae like
29 - In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?
Gymnosperms
30 - Pinus Taxus and Picea belong to_________________?
Gymnosperms
31 - Of the following four options which one is most advanced?
Anthoceropsida
32 - In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
Meiosis
33 - In Hornworts the band of meristematic tissue is found near_____________?
At junction of A & B
34 - Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?
Pollen grain
35 - The part of sporophyte which is called sporangium is____________?
Capsule
36 - Monocots are characterized by___________?
Number of sepals and petals are 3 or multiple of 3
37 - The first cell of the sporophyte generation is______________?
Oospore
38 - Which of the following statement about dicots is incorrect _________________?
They have parallel vein pattern on their leaves
39 - Maize is an example of_________________?
Monocot
40 - Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched
Dichotomously
41 - Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?
Sphenopsida
42 - Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?
Lycopsida
43 - Which of the following tracheophytes are leafless?
Psilopsida
44 - Chlorosis, i.e., yellowish hue on the leaves results from_____________?
All of these
45 - Chemically auxins are____________?
Indole acetic acid.
46 - Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?
Red
47 - Which of the following is antagonist to Auxin in terms of promotion of stem growth______________?
Abscisic Acid
48 - Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?
Gibberellins
49 - The only promoter of leaf senescence in the following plant hormones is________________?
Abscisic Acid
50 - Which of the following is used in brewing industry to promote malting_______________?
Gibberellins
51 - Which type of the receptors are present in the ear__________________?
Mechanoreceptors
52 - Type of sensations carried by nociceptors are_________________?
Pain
53 - Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips___________________?
Meissner's Corpuscles
54 - Which type of sensory structures carry deep pressure and vibration sensations______________?
Pacinian corpuscles
55 - ____________ is simplest form of learning.
Habituation
56 - ____________ was first to propose an objective definition of instinct.
Darwin
57 - Types of behaviour enabling pillbugs to reach moist area is___________?
Kinesis
58 - Nissl's granules are present in which part of the neuron_________________?
Soma
59 - All of the following are similarities between nervous and endocrine system except:_____________?
Having slow but prolonged effects
60 - Which of the following statement about neuron is incorrect___________________?
Like all the living cell, when they mature and divide to form similar cells
61 - Secretin is a hormone produced by___________?
Duodenum
62 - Type of neurons found exclusively in CNS are_____________?
Associative neurons
63 - Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?
Active
64 - Cell membrane under resting conditions is impermeable to all the ions except_____________?
K+
65 - Grave's disease is produced due to____________?
Overproduction of thyroxin
66 - MSH is produced from___________?
Median pituitary
67 - At the induction of action potential opening of Na+ gate with influx of Na+ is a ___________ processes?
Passive transport
68 - Acromegaly is caused due to oversecretion of____________?
Thyroxin
69 - Insulin and glucagons are __________ in nature.
Protein
70 - Normal resting membrane potential of a neuron is_____________?
- 70 mv
71 - Insufficient secretion of iodothyroxine in adults causes____________?
Myxedema
72 - Normal action potential of a neuronal cell is ___________?
plus 50 mv
73 - Number of pairs of cranial nerves is__________?
12
74 - Na+ -K+ ATPase pump is important for_______________?
Recovery of resting potential
75 - Which of the following has no central nervous system?
Hydra
76 - Maximum speed of nerve impulse transmission is____________?
120m/sec
77 - Which of the following are responsible for the detection of changes in environment?
Receptors
78 - Any change in the environment of an organism is called___________?
Stimulus
79 - Co-ordination results in_____________?
All of these
80 - Which of the followings are effectors______________?
Both 'a' & 'b'
81 - Hydra has___________?
Neuron-cells
82 - Co-ordination in man is brought about by___________?
Both of these
83 - Which of the followings is missing from the nervous system of planaria_____________?
none of these
84 - Which of the following transmits nerve impulse from receptors to central nervous system?
Sensory neuron
85 - In which of the following neurons length of dendrite is greater than axon_______________?
Sensory neuron
86 - Which of the following neuron has a single long dendron?
Sensory neuron
87 - Which of the following cytoplasmic extensions carry the message toward the cell body___________?
Dendrites
88 - Microscopic gaps between the neuron endings are called__________?
Synapses
89 - What is the function of synapse________________?
To decrease the speed of nerve impulse
90 - Under resting membrane potentials:
Outer surface of neuron is more positive
91 - Which of the following ions are involved in the initiation of nerve impulse_______________?
Na+
92 - Central nervous system of man consists of______________?
Both of these
93 - Reflex actions below the neck are under control of____________?
Spinal cord
94 - Which of the following is present inside the vertebral column______________?
Spinal cord
95 - Which of the following is largest part of brain?
Cerebrum
96 - Which of the following is second largest part of the brain_______________?
Cerebellum
97 - Intelligence is under the control of____________?
Cerebrum
98 - Which of the following acts as thermoregulator?
Hypothalamus
99 - Which of the following allows precise muscular movements_______________?
Cerebellum
100 - It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature________________?
Epilepsy
101 - Value of resting membrane potential is_____________?
0.07 V
102 - Receptors for hearing come under heading of___________?
Mechanical
103 - Which of the following feature is not related to neuron?
Regeneration
104 - Which of the following is a chemical link between catabolism and anabolism?
ATP
105 - Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
Energy poor
106 - C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:____________?
Aerobic respiration
107 - Bacteriochlorophylls does not include________________?
Chlorophyll a
108 - At which times there is no net gaseous exchange between leaves and the atmosphere.
Dawn & Dusk.
109 - Molecular formula of chlorophyll b is_____________?
C55 H70 O6 N5 Mg
110 - Which of the following is a compensation point:
Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.
111 - Quantitative study of energy relationships in biological systems obeys.
Laws of thermodynamics
112 - The organisms able to use sunlight directly as a source of energy are_____________?
Plants
113 - Carotenoids perform protective function in_____________?
Both of these
114 - Of the following which one is not an energy releasing process?
Photosynthesis
115 - About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?
0.1
116 - Net yield of H2O in Photosynthesis is__________?
0 molecule
117 - The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?
Compensation point
118 - Air contains __________ % of CO2 ?
0.03-0.04
119 - Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?
Bacteria
120 - PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?
700
121 - Visible light used in photosynthesis ranges from:__________?
380 - 750 nm in wavelength
122 - The percentage of light absorbed by the leaf is ___________?
0.01
123 - Which of the following light is least absorbed by the plants?
Green
124 - The first action spectrum was obtained by___________?
T.W.Englemam
125 - Which of the light is mainly absorbed by the plants?
Both A and B
126 - First Actions spectrum was obtained by using__________?
Spirogyra
127 - Chlorophyll is insoluble in_____________?
Water
128 - Of the following, which one causes higher production of food in green plants?
Red
129 - Which of the following statement about the head of a chlorophyll molecule is incorrect?
It is hydrophobic
130 - Photosynthesis carried out by terrestrial plants is _________ of total photosynthesis?
0.1
131 - Molecular formula of chlorophyll 'a' molecule is___________?
C55H72O5N4Mg
132 - Stomata cover only ______________ of leaf surface?
1-2 %
133 - Which of the following pigment is Blue- green in colour?
Chlorophyll a
134 - Reduction in photosynthesis is of____________?
CO2
135 - Complete breakdown of glucose molecule takes place in which of the following?
Aerobic respiration
136 - Chlorophylls mainly absorb _________ wavelengths?
Orange – red.
137 - Deficiency of ___________ causes yellowing in plants?
Magnesium
138 - In alcoholic fermentation Pyruvic acid is broken down into?
Ethyl alcohol
139 - The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?
Hydrophobic
140 - The most important photosynthetic pigment is ___________?
Chlorophyll a
141 - In which of the following component of the body, lactic acid fermentation takes place?
Muscles
142 - Final acceptor of electrons in respiratory chain is____________?
Oxygen
143 - In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?
0.02
144 - From one pyruvate passing through Kreb's cycle, how many NADH are formed?
3
145 - Cellular respiration is essentially a/an _____________ process?
Oxidation.
146 - ATP are consumed during___________?
Glycolysis
147 - Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy?
7.3
148 - Functional units of lungs are called________?
Air sacs
149 - Lungs are spongy due to the presence of million of___________?
Alveoli
150 - ___________ respiration is directly involved in the production of energy, necessary for all living activities?
Cellular
151 - Lungs are covered with double layered thin membranous sac called___________?
Pleura
152 - ___________ respiration is the process by which cell utilized oxygen and produces CO2 ?
Cellular
153 - During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?
15-20
154 - Of the following, which one is better respiratory medium___________?
Air
155 - The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.
20 ml
156 - Oxygen contents per liter of air is____________?
200 ml
157 - Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.
100 mm
158 - Water is _________ times viscous than air?
50
159 - Important factors which affect the capacity of haemoglobin to combine with oxygen is
All of these
160 - There are _________ stomata per square cm of leaf surface in Tobacco plants?
100000
161 - The air spaces may comprise upto _________ of total volume of leaf surface?
0.4
162 - The glycolate produced diffuses into the membrane bounded organelles called____________?
Peroxisomes
163 - The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
plus ve
164 - Percentage of CO2 carried as carboxyhaemoglobin is_________?
0.2
165 - Arterial blood contains _________ of CO2 per 100 ml of blood
50 ml
166 - Active site of Rubisco is evolved to bind?
 All of these
167 - More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?
10
168 - A disease of longs in which inside of the lungs is damaged resulting in cough and fever?
Emphysema
169 - Number of spiracles present in cockroach is___________?
20
170 - Of the following, which one is a contagious disease?
Tuberculosis
171 - Number of spiracles present in the thorax of cockroach is___________?
4
172 - Which of the following promotes growth in plants?
Calvin cycle
173 - When abdomen expands, the number of spiracles open is_____________?
8
174 - Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
Aves
175 - The blood enters the ________________ side of heart ?
Posterior
176 - Voice box is another name used for___________?
Larynx
177 - All of the following contain cartilage except:___________?
Bronchioles
178 - Gaseous exchange through the skin is known as ______________ respiration?
Cutaneous
179 - Respiratory distress syndrome is common especially for infants with a__________?
Less than 7 month
180 - Parabronchi are open at ______________ end/s?
Both
181 - In most birds air sacs are ____________ in number?
9
182 - Vocal cords are stretched across_______?
Golttis
183 - A joint formed between humerus, radius and ulna is an example of__________?
Freely movable joint.
184 - Which of the following plays the major role in providing support to young herbaceous parts of the plant?
All of these
185 - Joint between two parietal bones, which is infact immovable one is an example of_________?
Fibrous joints.
186 - Fibrous capsule surrounding synovial joints may be thickened at some places to form:
Ligaments.
187 - Higher turgor pressure in a plant cell is maintained by________________?
both b and c
188 - In which of the following joint muscles are arranged in the same plane as that of joint?
Between femur and tibia.
189 - Which of the following hormone is predominantly responsible for bone weakening in older women?
Oestrogen.
190 - Secondary cell wall of sclerenchyma cells is impregnated with_________________?
Lignin.
191 - Which of the follwing is a childhood disease resulting from nutritive Ca2+ deficiency?
Rickets.
192 - Among the followings which is the most longest supportive cell?
Tracheids
193 - Which of the following statement about osteoporosis is incorrect.
There is reduction of bone mass and change in chemical composition of the matrix
194 - An increrase in plant girth due to activity of _____________ is called secondary growth?
Both a and c
195 - Which of the following statements about fractures in old age is incorrect?
Due to good blood supply it results in quick healing.
196 - If two ends of fractured bone are opened and kept united via screws and wires drilled in bone substance. This step in fracture repair is called___________?
Open reduction.
197 - Vascular Cambium initially appears as actively dividing cells between_________________?
Primary xylem and primary phloem
198 - A fracture hematoma has____________?
Dead cells
199 - Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of ____________?
Chemotactic movement
200 - Which of the following cells are involved in soft callus formation?
Fibroblast and osteoblast.
201 - Bony callus formation completes in___________?
2-3 months.
202 - The place of attachment of leaf with the shoot is called__________?
Pulvinus
203 - Which of the following is a uni-nucleated cell?
A smooth muscle cell.
204 - Rapid movement of leaves of mimosa on touching is an example of _____________?
Turgor movement
205 - The contraction of which of the following muscle fibers, is controlled by hormones?
A smooth muscle
206 - Roots of a plant show______________?
Negative phototropism and positive geotropism
207 - Why skeletal muscles are called striated muscles?
Alternating dark and light bands appear on their surface when visualized via a microscope.
208 - Epinasty is controlled by_____________?
Auxins
209 - Which of the following statements is incorrect about skeletal muscle fibers?
They contain O2 storing molecules called hemoglobin.
210 - Gibberellins is an example of_________________?
Growth stimulator
211 - A smallest contractile unit of muscle contraction called sarcomere is the area between two:
Z- Line
212 - Which of the following animal has a hydrostatic skeleton?
Earthworm
213 - Diameter of thick filament is____________?
16nm
214 - In an annelids, the contraction of circular muscle results in___________?
Thinning of body
215 - The most important function of troponin is___________?
All of these
216 - Which of the following statement is incorrect about Molluscans?
They move by tube feet
217 - If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules:
6
218 - Which one of the following forms the blk of exoskeleton of an arthropod?
Procuticle
219 - What happens during muscle contraction to the length of each myosin and action filament?
Z- lines get closer
220 - Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.
Tropomyosin gets removed from the binding sites of actin filaments.
221 - Exoskeleton of a marine snail is composed of________________?
CaCO3
222 - Rigor mortis i.e, stiffening of body after death results from__________?
Unavailability of ATP, which is necessary to break the link between actin and myosin.
223 - Which of the following statement about an arthropod exoskeleton is incorrect?
It contains joints, for the same purpose as present in human skeletal system
224 - Ecdysone is_________________?
A hormone that regulates moulting in arthropods
225 - Endoskeleton is secreted by?
Mesoderm.
226 - Which of the following statement about fatigue is correct?
All of these
227 - Tetany is caused by__________?
Hypocalcemia
228 - Collagen fibers of bone are hardened by deposition of_____________?
Ca & PO4
229 - Which one of the following is an example of a non-elastic connective tissue?
Tendon
230 - Which one of the following is avascular structure?
Cartilage
231 - Which of the following muscle is an antagonistic member of Biceps brachii?
Triceps
232 - Which of the following bone is not present in the hind-limb?
Radius
233 - Insertion of Biceps is on_________?
Radius
234 - How many bones are present in the wrist?
8 bones
235 - Which of the following statement is incorrect regarding the locomotion in Euglena?
Flagellum whipping backwards moving the organism forward, and when moves forward the organism moves backward.
236 - Which of the following bones bones are present in the plam of hand?
Metacarpals
237 - Which of the following animal uses Setae and Muscles for their Iocomotion?
Earthworm
238 - How many vertebrae are present in vertebral column of man?
33 vertebrae
239 - Which of the following vertebrates have a fish-like body?
Amphibians
240 - How many vertebrae are present in coccyx?
7
241 - Which of the following pairs of fins in a fish body are paired?
Pectoral and Pelvic.
242 - How many vertebrae are present in thoracic region?
12
243 - Among the following organisms which shows the best adaptations for locomotion?
Reptiles
244 - How many vertebrae are in sacrum?
5
245 - Which of the following is the swiftest form of the locomotion?
Unguligrade
246 - S-band locomotion is characteristically seen in___________?
Cartilaginous fish.
247 - How many vertebrae are present in lumbar region?
5
248 - Which of the following bones are present in pectoral girdle?
Both of these
249 - There are __________ types of nutrients needed by plants besides light to carry out photosynthesis
Three
250 - The site/s where most of the uptake of water and minerals take place is/are__________?
Root hairs
251 - The uptake of water in plants involves__________?
Passive transport
252 - The membrane of vacuoles is known as__________?
Tonoplast
253 - The diffusion of ions along with water also takes place by mass flow system along the ________ path?
Apoplast
254 - Active transport is dependent on____________?
Respiration
255 - In plants, the neighbouring cells are connected with one another by__________?
Both 'A' & 'B'
256 - In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.
Apoplast
257 - Cytoplasmic strands that extend through pores in adjacent cell walls are known as___________?
Plasmodesmata
258 - In plants, water potential is determined by major factors?
Two
259 - The pressure generated when water enters & inflates plant cells is called ___________ potential?
Pressure
260 - The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
Osmosis
261 - ___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?
Osmotic
262 - ___________ component of cell wall has grreat affinity with water?
All of these
263 - Commonly in other plants than tall ones the speed of upward movement of water is____________?
1 mh-1
264 - Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?
800 Kpa
265 - Cuticular transpiration is _________ of total transpiration?
5-7%
266 - All plants do not possess___________?
Lenticels
267 - Lenticular transpiration is ___________ of total transpiration?
1-2%
268 - Introduction of vaccine within the body to produce immunity is an example of____________?
Artificially induced active immunity
269 - The flow of lymph is maintained by__________?
All of these
270 - It is the discharge of blood from blood vessels?
Cerebral Hemorrhage
271 - All of the follwing are blood clots except:___________?
Atheroma
272 - It is the measure of force with which blood pushes up against the walls of blood vessels.
Blood pressure
273 - Which of the following have thickest walls?
Arteries
274 - QRS complex represents____________?
Ventricular systole
275 - Tricuspid valve is present_____________?
Between right atrium and right ventricle
276 - Cooley's anemia is another name used for___________?
Thalassaemia
277 - Which of the following are proteins in nature?
All of these
278 - Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?
Lenticels
279 - Lenticels look like__________?
Cars or small protusions
280 - Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
Facilitated diffusion.
281 - Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
Transpiration pull
282 - A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
Root pressure
283 - Stomatal transpiration is __________ of total transpiration
0.9
284 - ___________ function as multisensory hydraulic valve?
Guard cells
285 - _________ give rise to macrophages, which destroy larger particles by phagocytosis.
Monocyte
286 - 95% of the cytoplasm of red blood cells is the___________?
Hemoglobin
287 - Open circulatory system can contain_________?
White Blood Cells
288 - Pressure flow theory was proposed by_________?
Earnst Munch
289 - The opening and closing of stomata is directly controlled by the___________?
Light
290 - There are _________ hypothesis which may explain opening and closing of stomata?
Two
291 - Low level of CO2 favours _________ of the stomata.
Opening
292 - Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.
Fungi
293 - Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap
Lowers.
294 - Single circuit heart is found in_________?
Fishes
295 - Stomata open due to _________ of K+ into the guard cells from the surrounding epidermis
Active transport
296 - Which of the following is true about hearts of earthworm?
They are present lateral to the oesophagus.
297 - It has been estimated that in a normal person plasma constitutes about ________ by volume of blood.
0.55
298 - Brown fat present in certain mammals is specialized in___________?
Rapid heat production.
299 - Panting is a representative of which mechanism?
Evaporative cooling.
300 - Formation of heat shock proteins in plants results in___________?
Embracing the enzymes and other proteins and prevent their denaturation.
301 - Fishes, most of the invertebrates and amphibians are examples of ________ animals?
Ectotherms
302 - The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?
Osmoregualtion
303 - Which of the following represents osmoregulatory steps taken by hydrophytes?
Increases transpiration by increasing the surface area of the leave.
304 - Most of the marine invertebrates are__________?
Osmoconformers
305 - Which of the following marine fishes are considered direct descendents of fresh water ancestors?
Bony fishes
306 - Which excretory product in produced in plants during autotrophic mode of life?
O2
307 - Which of the following statement about conifers is correct?
Excrete some of the waste materials directly into soil, occasionally using them as a chemical weapon against other competing plants.
308 - Purine and pyrimidine metabolism results in production of____________?
Xanthine
309 - Amount of water required to excrete 1gN of Urea is_________?
50 ml
310 - Each ach nephridium of earthworm opens to the exterior by__________?
Nephridiopore
311 - The main nitrogenous waste formed in the body of earthworm is/are___________?
Urea
312 - Which of the following excretory structure is associated with gut of the organism?
Malpighian tubules
313 - Which of the following nephrons play important role in production of concentrated urine?
Juxtramedullary
314 - Which of the following kidney stones are most common?
Calcium oxalate
315 - Which of the following treatment will be administered first in a newly diagnosed renal failure patient?
Hemodialysis
316 - In plants, which of the following is a waste product produced both during photosynthesis and respiration?
H2O
317 - In animals excess of nitrogen is excreted primarily in form of___________?
Ammonia
318 - Hydra has no specialized excretory system because:
The whole body cells are in contact with water
319 - The distal blind end of the malpighian tubules bathes freely in____________?
Haemocoel
320 - Which of the following is a sentimentally arranged excretory system?
Metanephridium
321 - Excessive lactic acid is converted into __________ by liver?
Glycogen
322 - Each human kidney receives _______% of total cardiac out put?
0.2
323 - On which of the following site the posterior pituitary hormone acts predominantly?
Collecting tubules
324 - Animals that produce metabolic heat at low level and also absorb heat from the surroundings are called__________?
Heterotherms
325 - Blubber a thick layer of fat is present in___________?
Marine Mammals
326 - Production of pyrogens is a __________ phenomenon?
Protective
327 - Thermostat of human body is present in__________?
Hypothalamus
328 - Which of the following structure in plant's body is called excretophores?
Leaves
329 - The characteristic which enable animals to tolerate dehydration is called__________?
Anhydrobiosis
330 - Which of the following fishes excrete large volume of diluted urine?
Fresh water fishes
331 - Rose is an example of____________?
Mesophytes
332 - In a hot summer after noon, if your body's Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of____________?
Negative feed back
333 - Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining.
Trimethylamine oxide
334 - Terrestrial animals like kangaroo rat survive even without drinking water since__________?
They are anhydrobiotic organisms
335 - Aquatic animals excrete nitrogenous waste commonly in the form of_____________?
Ammonia
336 - Protonephridia are present in____________?
Flateworm
337 - Which of the following constituent is/are maximum in the filtrate that leaves proximal convoluted tubules?
Nitrogenous waste
338 - Which of the following mechanism explains development of anemia in Renal failure?
Failure of proper RBC synthesis, due to lack of chemical stimulation.
339 - Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?
Increase in proportion of unsaturated fatty acids.
340 - Which of the following statement about Homeostasis is incorrect?
Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
341 - Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
Bony fishes
342 - Normal body temperature in mamals like human beings is____________?
36 - 38°C
343 - In osmosis water molecules move from area of _____________ through semipermeable memberane?
Lower solute concentration to higher solute concentration
344 - Which of the following is most toxic?
Ammonia
345 - In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.
2
346 - Which of the vascular channels are related to Juxtramedullary nephrous only?
Vasa recta
347 - A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?
Extracorporeal Shock wave lithotripsy
348 - Bats & humming birds belong to___________?
Heterotherms
349 - Thick, waxy & leathery cuticle around leaves is present in___________?
Xerophytes
350 - Which of the following animal excrete nitrogenous waste mainly as uric acid?
Birds.
351 - Which of the following openings have cilia?
Nephrostome
352 - Malphighian tubules absorb waste materials and salts from__________?
Hemolymph
353 - Which of the following filtrate contains excessive amount of amino acids, glucose, and salts?
Glomerular filtrate
354 - Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate
0.995
355 - The nephridia of earthworm open into the coelom by_________?
Nephrostome
356 - Nephrostome in earthworm opens in____________?
Internal Body cavity
357 - Scolidon or dog fish belong to the group of fishes called__________?
Cartilaginous fishes
358 - They are considered to be the most primitive and are surely the first of the vertebrates?
Jawless fishes
359 - Sub- phylum vertebrate is also known as__________?
Craniata
360 - The phylum chrordata comprise about how many species?
50000
361 - It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates
Notochord
362 - Snails belong to__________?
Gastropods
363 - In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.
Radula
364 - All insects have how many parts of legs?
3
365 - In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?
Epidermis
366 - In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
Arthropods
367 - In man which organisms cause abscesses on the skin of arms or legs?
Suinea worm
368 - Chitin in cockroach is absent in____________?
Epicuticle
369 - Melanin pigment in cockroach is found in__________?
Exocuticle
370 - The bristles on the body of the cockroach arise from__________?
Trichogen cell
371 - The wax present on the body of cockroach is secreted:
Oenocytes
372 - Which organisms are sometimes called the †pastures of the sea�
Diatoms
373 - Diatoms belong to___________?
Both A. and B.
374 - Which one of the following is representing the group of diatoms?
Pinnularia, Navicula, Cymbella, Melosira
375 - Diatoms are found in__________?
All of the above
376 - Centric discoid form of diatoms is__________?
Coscinodiscus
377 - Microfossile often present in petroleum producing formationsare those of__________?
Diatioms
378 - Cell wall is richly impregnated with silica in__________?
Baciliariophyta
379 - The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?
Diatoms
380 - Unlike other algae, diatoms do not readily decay due to___________?
Siliceous wall
381 - Cell wall is extremely well preserved in fossil specimens in__________?
Diatoms
382 - Empty diatom cells are called___________?
Frustule
383 - Diatom frustule/ shell is made of_____________?
Silica
384 - The chloroplasts of diatoms and chrysophycean algae do not possess____________?
Defined grana and stroma
385 - Oil body is found in the cells of___________?
Diatoms
386 - Diatoms stay afloat due to___________?
Stored lpids
387 - Diatomaceous earth is used for making __________?
Fire proof bricks
388 - Locomotion in diatoms is carried out with the help of__________?
Raphe
389 - Golden brown colour of diatoms is due to presence of__________?
Fucoxanthin, diatoxanthin, diadinoxanthin
390 - Which of the following is not nocturnal?
Butterfly
391 - Which one of these is an insect?
Moth
392 - A moth is closely related to_________?
Butterfly
393 - Which one of these is a set of useful insects?
Honeybee , lac insect, cochineal insect
394 - Which of the following organ is responsible for blood filtration:
Kidney
395 - Which of the following organ is responsible for body metabolism?
Liver
396 - The part of the brain that connects the two hemispheres of the brain is called____________?
Corpus callosum
397 - In which phase of cell cycle cell organelles are formed?
G2 Phase
398 - Vacuoles are fluid filled sacs surrounded by a membrane called__________?
tonoplast
399 - During the process of cell division which of the following divides first?
nucleus
400 - Which of the following manufactures carbohydrates by the process of photosynthesis?
chloroplast
401 - which of the following is called protein synthesizing machine?
ribosomes
402 - Cell wall is the non living , outermost boundary of__________cell?
all the above
403 - The light microscope can make the object_________times bigger?
1000 times
404 - Which of the following is a selectively permeable membrane?
cell membrane
405 - Splitting of glucose relates to_________?
glycolysis
406 - Artherosclerosis is a major condition leading to__________?
heart attack
407 - Shrinkage of protoplast due to exosmosis of water is__________?
plasmolysis
408 - The normal pH of human blood is____________?
7.4
409 - Bean shaped cells in plants are_________?
guard cells
410 - Villi and microvilli increase__________?
absorption
411 - Water potential of pure water is__________?
zero
412 - The respiratory problem most common in smokers is_________?
emphysema
413 - Parabronchi are present in__________?
birds
414 - The utilization of the products of digestion is called___________?
assimilation
415 - Kangaroo has an abdominal pouch known as__________?
marsupial
416 - Earthworm lives in___________?
moist soil
417 - Sickle cell anemia was discovered by_________?
Vernon Ingram
418 - Rich source of energy in seimen is__________?
glucose
419 - The foetus is protected from the mechanical damage by the__________?
amniotic fluid
420 - Release of the ovum from ovary is called__________?
ovulation
421 - Detachment of myosin head and actin in rigor mortis occurs due to__________?
hyperactivity of mitochondria
422 - Which bone is called beauty bone in women?
clavicle
423 - The plants which produce embryo but lack vascular tissues and seeds are placed in_________?
bryophytes
424 - Higher vascular plants are also called__________?
seed plants
425 - In all coelentrates endoderm give rise to__________?
digestive system
426 - Liver fluke is parasite in the liver of__________?
all of these
427 - Amoeba moves in water with the help of locomotory organs called_________?
pseudopodia
428 - Snails belong to_________?
gastropods
429 - In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
arthropoda
430 - In human beings influenza is caused by_________?
virus
431 - Non-enveloped naked viruses are known as___________?
virions
432 - Gram +ve bacteria on treatment with crystal violet dye give _________colour?
purple
433 - Malarial parasite is injected into man as__________?
sporozoites
434 - The terms procariotique and eucariotique were proposed by___________?
Chatton
435 - The most common type of asexual reproduction in the fungi is__________?
spore production
436 - Outside the thallus of Marchantia there are special structures called__________?
rhizoids
437 - The vascular plants are termed as____________?
tracheophytes
438 - Tobacco mosaic virus was crystallized by__________?
Stanely
439 - Flagella are composed of________?
micro tubules
440 - The life and activities of a cell is controlled by__________?
nucleus
441 - Accumulation of lipid molecules in brain cells lead to____________?
mental retardation
442 - Accumulation of lipid molecules in brain cells lead to__________?
mental retardation
443 - The simplest amino acid is_________?
glycine
444 - They are present in the underground parts of the plants and stored food?
leucoplast
445 - They are widespread as protective coatings on fruits and leaves?
waxes
446 - It is very serious disease of brain which is caused by fungi________?
meningitis
447 - Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
B12
448 - Which is not a vertebrate ?
Insect
449 - Which of the following is the less important organ in human body?
Appendix
450 - Who is the father of Genetics?
Gregor Mendel
451 - which of the following hepatitis is more contagious ?
HCV
452 - Which branch of science is short in laws ?
Biology
453 - A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?
Hypoxia
454 - Insulin is a human__________?
Protein
455 - Amoeba secretes digestive enzymes to hydrolyse _________ ?
All of these and fats
456 - The number of daughter paramecia produced following conjugation is _______ ?
8 from two conjugants
457 - Corolla and calyx collectively termed as___________?
Hermaphrodite
458 - Sporogony of malaria parasite occurs in _______ ?
Stomach wall of mosquito
459 - Under unfavourable conditions, the Amoeba reproduces by ________ ?
Encystment
460 - Mild tertian malaria is caused by _______ ?
Plasmodium vivax
461 - Blood does not coagulate inside the body due to the presence of___________?
Heparin
462 - Accurate name given to blood is ___________ ?
Fluid tissue
463 - Sweat glands occur in greatest number in the skin of the__________?
Armpits
464 - Protein which acts as hormone is__________?
Oxytocin
465 - Which one of the following vitamin is known as the “anti- Sterile†factor?
Ascorbic acid
466 - Which of the following vitamins is useful in ostcoimalacia?
Vitamin D
467 - Human body makes about 20 million erythrocytes in__________?
One Second
468 - Ingestion of bacteria by certain type of cells is termed as ________ ?
Phagocytosis
469 - The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women.
4.0 to 5.2 million
470 - The normal range of the number of white blood cells in a microliter of blood is between _________ ?
4,500 and 10,000
471 - The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men.
4.5 to 6.2 million
472 - Parkinson is a disease of_________?
Brain
473 - Acetabularia is a kind of __________ ?
Unicellular alga
474 - Acetabularia mediterranea has a cap of _________ ?
Regular shape
475 - What is hibernation and aestivation________?
Thermal adaptation shown by animals
476 - Enzyme activity can also be charted through the __________ ?
Rate of reaction
477 - BOD refers to the __________?
Biochemical Oxygen demand
478 - Self pollination is not possible in ________ ?
both A and BÂ
479 - “lub†sound is produced after _________ ?
The bicuspid and tricuspid valves suddenly close
480 - Examples of Epigeal germination include _________ ?
Sword bean seed
481 - All are functions of hypothalamus, but, _________ ?
Regulation of anti-diuretic hormones
482 - More water is reabsorbed in blood due to _________ ?
More anti-diuretic hormone
483 - Sessile flowers have _________ ?
No pedicles
484 - Stamens are not usually pendulous in plants pollinated by __________ ?
Insects
485 - Guard cells of stoma are ________ ?
Kidney-shaped
486 - Special kind of protein containing iron is called as _________ ?
Hemoglobin
487 - Zygote with three copies chromosome 21, is known to cause _________?
Downs syndrome
488 - Kind of respiration through which skeletal muscles of human body gets the energy is ________ ?
Anaerobic respiration
489 - Fuel used by cells in cellular respiration to get energy is ________ ?
Glucose
490 - Kind of cellular respiration which occurs in presence of oxygen is _________ ?
Anaerobic respiration
491 - Special enzymes are released during necrosis from __________ ?
lysosomes
492 - Number of cells that are destroyed in adults by apoptosis are ________ ?
50 to 70 billion cells
493 - Biebs that are broke off from cell are called __________?
Apoptotic bodies
494 - Crysanthemum is propagated by___________?
Suckers
495 - Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ?
Periosteum
496 - Another name for liver is called ___________ ?
Hepar
497 - Joints between flat bones of skull are termed as ____________ ?
Both A and B
498 - Length of membranous urethra is about ___________ ?
1 cm
499 - Division of nucleus is termed as___________ ?
Karyokinesis
500 - Membrane that separates 'cytoplasm' and 'nucleus' is called ___________ ?
Nuclear envelop
501 - All chromosomes other than 'sex' chromosome are called __________ ?
Autosomes
502 - Which one of the following is referred as the species occupation?
Niche
503 - The first ever vascular plants are_________?
CooksoniaÂ
504 - Circular disc shaped structure with a round hole is ___________ ?
Iris
505 - The higher animals have special organs for exchange of gases as their skin is ___________ ?
Thick
506 - Dorsal root of spinal nerves contain only __________ ?
Receptor neurons
507 - Study of interaction of living organisms with other organisms and their environment relates with ___________ ?
Ecology
508 - __________is a condition in which there is an absence of oxygen supply to an organ's tissues?
Anoxia
509 - Virus is__________?
acellular
510 - Term the time during which an orgnism is present in the body before causing disease ?
Incubation period
511 - Insects responsible for transmitting diseases are called___________?
Vectors
512 - Out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
Carbohydrates are minimum
513 - Potato is a modified form (outgrowth) of:
stem
514 - Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
Class
515 - Prothrombin which helps in clotting of blood is released by
blood platelets
516 - Myopia is connected with
eyes
517 - Organic Substances which, in very small amounts, control growth and development called
hormones
518 - Our major foods, fibres, spices, fruits and beverage crops are
flowering plants
519 - Movements due to light are shown by
flowering plants
520 - Outer covering of virus made up of protein is
capsid
521 - Radish is a
modified root
522 - Movement of cell against concentration gradient is called
active transport
523 - Photosynthesis generally takes place in which parts of the plant?
Leaf and other chloroplast bearing parts
524 - Most fish do not sink in water because of the presence of:I. swim bladderII. air bladderIII. air sacsIV. air in spongy bones
I and II are correct
525 - Plants synthesis protein from
amino acids
526 - Plants are killed in winter by frost
because of desiccation and mechanical damage to the tissues
527 - One of the following is most suitable for study of mutations
Haploids
528 - Pulses are a good source of
proteins
529 - Oxygen in our blood is transported by a protein named
haemoglobin
530 - Nymph is the name of young one of
cockroach
531 - Primary phloem develops from
provascular tissue
532 - Other than spreading malaria, anopheles mosquitoes are also vectors of
filariasis
533 - Plants that grow in saline water are called
halophytes
534 - Pyorrhoea is a disease of the
gums
535 - O2 released in the process of photosynthesis comes from
water
536 - Placenta is the structure formed
by the union of foetal and uterine tissue
537 - Plants hormone that induces cell division is
gibberellins
538 - Neurospora is used as genetic material because
it has short life cycle of 10 days
539 - Phloem is a tissue found in
plants
540 - N2 content is kept constant in the biosphere due to
nitrogen cycle
541 - Most common disease of poultry in India is
ranikhet
542 - Most abundant tissues of our body are
muscular
543 - Mumps is a disease caused by
virus
544 - Rain water helps to increase the ____ to some extent.
calcium contents
545 - Number of chromosomes in down's syndrome is
47
546 - Plant bends towards the source of light on account of the movement of curvature known as
phototropism
547 - Plant have ____ while animals lack it.
cellulose
548 - Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
The flow of solution is not possible through semi permeable membrane
549 - Photosynthesis is a process
reductive, endergonic and anabolic
550 - On which of the following plants did Gregor Mendal perform his classical experiment?
Pea
551 - Pigmentation of skin is due to
melanocytes
552 - Norepinephrine increases
blood pressure
553 - Night blindness is cause by lack of which vitamin?
Vitamin A
554 - Monocot root differs from dicot root in having
well developed pith
555 - Radioactivity is a phenomenon of the spontaneous emission of
All of the above
556 - Most of the red, blue and purple colours of plants are due to a pigment called
anthocyanin
557 - Plants developing in dry conditions are
xerophytes
558 - Plants growing on sand are called as
psammophytes
559 - Our skin, when exposed to excess sunlight, becomes dark. This is because of our skin pigments called
melanin
560 - Ramapithecus and Cro-Magnon man are considered
ancestors of modern man
561 - The main function of Henle's loop is
Conservation of water
562 - The ultimate cause of water movement in a plant stem against gravity is
Transpiration
563 - They protect plants from water loss and abrasive damage.
Waxes
564 - Th suitable conditions in which the rate of evaporation occurs more fastly are
Low humidity and high temperature
565 - The device to measure transpiration in plants is
Potometer
566 - Longest bone found in man
Femur
567 - The female sex organs in a flower is the ________ .
Pistil
568 - The male sex organs in a flower is the ________ .
Stamen
569 - Which part of flower produces pollen grains that are generally yellowish in color?
Stamens
570 - Which one of the following is the longest flower in the world?
Rafflesia
571 - Usually the conspicuous ,coloured ,attractive part of flower is termed is
Petals
572 - The phenomenon of summer sleep by animals is called
Aestivation
573 - Animals who have constant body temperature are
Homeothermic
574 - Which type of cell, skin is made up of:
Epidermal cells
575 - Cold blooded animals are known as
Poikilotherms
576 - Ginger is a stem and not a root because
It has nodes and internodes
577 - Blood group which have no antibodies
AB
578 - The sound lub-dub lub-dub is produced by
Heart
579 - Blood is red in colour due to the presence of ________
Haemoglobin
580 - Jellyfish belongs to which phylum
Cnidaria
581 - Which group of animals was the first to evolve to fly
Insects
582 - The skeleton secreting cells in poriferans are known as
Scleroblasts
583 - Which one is the basic unit of classification
Species
584 - Which one of the following phylum is characterised by absence of true coelom
Nematoda
585 - The food material prepared in the plants is transported to the various organs by which of the following?
Phloem
586 - Cells with similar markers stick together and function as
Tissues
587 - Xylem tissue is mainly concered with the
Storage of prepared foods in plants
588 - The major constituent of connective tissue is
Collagen
589 - The connective tissue that connects a muscle to a bone is
Tendon
590 - Which vitamin is necessary for blood clotting
Vitamin K
591 - Most of the enzymes are
Proteins
592 - The disease Rickets is caused by the deficiency of
Vitamin D
593 - Which vitamin is also act as coenzymes
B12
594 - Amoeba is ________ in nutrition
Holozoic
595 - During which phase or phase of cell division,the morphology of the chromosomes is best studies?
Anaphase,metaphase
596 - Metaphase is followed by the next phase of mitosis called
Anaphase
597 - It is a the process which converts a single celled zygote into a great number of cells,which then differentiate into tissues.
Mitosis
598 - Which division is responsible for the continuity of hereditary informations?
Mitosis
599 - The type of division which occurs in somatic cells is known as
Mitosis
600 - Which of the following organelles contain enzymes that have digestive action
Lysosomes
601 - They are also concerned with the formation and storage of certain compounds secreted by the cell.
Golgi Bodies
602 - The total number of pairs of Peripheral nerves in man are
43
603 - Medulla oblongata is a part of which of the following?
Brain
604 - Acetylcholine is
Chemical transmitter
605 - The pair of spinal nerves in main are
31
606 - When the diaphragm and external intercostal muscles contract,
The volume of the thorax increases
607 - Blood leaving lung, is rich in
Oxygen
608 - The organs protected by the thoracic cage include the
Both a & b
609 - By complete oxidation of glucose number of ATP molecule formed is
38
610 - Haemoglobin is an important component of
RBC
611 - Hemoglobin, the oxygen carrying substance in red blood cells, is a
Proteins
612 - What carries blood back to the heart?
Veins
613 - The smallest blood vessels which are one-cell thick, are called ________
Capillaries
614 - Name the blood cells in which nucleus is absent.
Blood Platelets
615 - The scientific study of livings is called
Biology
616 - They are present in the underground parts of the plants and stored food
Leucoplasts
617 - Which of the following groups is present in animal cells ?
Nucleus, Cell membrane, Mitochondria, Cytoplasm
618 - What is the full form of DNA?
Deoxyribonucleic acid
619 - What is the full form of RNA?
Ribonucleic Acid
620 - The stages between larval moults in an insect are called
Instars
621 - In which of the following stages of silkworm, silk is secreted
Pupa
622 - Which is the longest bone in the human body?
Femur
623 - The bone of the which organ is the longest in the human body ?
Thigh
624 - Treatment of body defects through massage and exercise is
Physiotherapy
625 - The bacterium which reduces the fertility of soil is
Bacillus dentificans
626 - There are used in the retting of flax and hemp.
Bacteria
627 - Which of the following bacteria is responsible for the formation of curd?
Lacto-bacillus
628 - Yeast used in making bread is a
Fungus
629 - Nitrogen fixation process in the soil is done by
Bacteria
630 - Mycology is the branch of botany in which we study about
Fungi
631 - Mycology is the branch of botany in which we study about
Fungi
632 - Phycology is the branch of botany in which we study about
Algae
633 - The DNA bacterium consists of ring-like pieces known as the
Plasmids
634 - It is commonly found in the bottom tidal pools?
Ulva
635 - The audible sounds that heart are made by the closing of the
Valve
636 - Which one is the largest artery in the human body
Aorta
637 - Which veins donot carry de-oxygenated blood
Portal Veins
638 - Muscular wall of the heart is externally covered by
Epicardium
639 - The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called
Arteriosclerosis
640 - Pituitary gland is situated in
Brain
641 - The gland that is present close to Trachea
Thyroid
642 - Study of ductless gland is called
Endocrinology
643 - Cretinism is due to the disorder of the glands
Thyroid
644 - Pancreas secretes
All of the above
645 - In a healthy person rate of heart beat on one minute is
72 times
646 - The word histology is related with
Hematalogy
647 - Which one of the following statements regarding haemoglobin is correct?
Haemoglobin of RBC can carry both oxygen and carbon dioxide
648 - The vitamin required for coagulation of blood
K
649 - What type of tissue is Blood
Connective
650 - The layer of cells between endodermis and vascular bundles is called
Hypodermis
651 - Gymnosperms are characterized by the
Absence of seeds
652 - In a bisexual flower if androcium and gynoecium mature at different time the phenomeon is known as ________
Dichogamy
653 - The pollen grains of Pinus are carried to its female cone through the
Wind
654 - Grassland with scattered tree is known as
Savanna
655 - Dr. Birbal Sahni; a famous Indian botanist is concerned with ________ studies.
Fossil
656 - Plants which grow on saline soils are known as
Halophytes
657 - Which of the following organisms fix nitrogen in aquatic ecosystems?
Cyanobacteria
658 - Which ecological pyramid can never be inverted
Pyramid of energy
659 - Which one of the following hormones is essential for the uptake of glucose by cells in the human body?
Insulin
660 - Goitre is caused by the deficiency of ________
Iodine
661 - Endocrine glands are also known as
Ductless gland
662 - Enzymes are produced by
Exocrine glands
663 - Which one of following is a duct less gland
Endocrine gland
664 - Branch of science which deal with the study of causative agent of disease is
Etiology
665 - Select the correct statement about active and passive immunity.
Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies
666 - Polio is caused by
Virus
667 - Rhinitis is the disease that effects which body part?
Nose
668 - Which disease is caused due to deficiency of Iodine?
Goitre
669 - In plants cells,which structure provides a definite shape to the cell and makes it right?
Cell wall
670 - Produces a usable form of energy for the cell
Mitochondria
671 - Which among the following is also called as 'power house of the cell'?
Mitochondria
672 - Volume of blood found in a healthy person is
5-6 litre
673 - Which blood group is universal donor?
O-
674 - Deficiency of which of the following causes non-clotting of blood?
Vitamin K
675 - Organisms need Nutrients in order to
Breaking down food
676 - Sugar is a component of which of the following?
Carbohydrates
677 - The main protein found in milk is ________
Casein
678 - Which one of the following vitamins is known as the anti sterile factor ?
Riboflavin
679 - The trypsinogen is an enzyme secreted by the
Pancrease
680 - Which body part will be effected with the disease leprosy?
Skin
681 - AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through
Transfusion of contaminated blood and blood products
682 - Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ?
Typhoid
683 - Which cells are destroyed in AIDS
Lymphocytes
684 - Which of the following blood cells carry oxygen?
R.B.Cs
685 - In human body lymphocytes are formed in
Bone marrow
686 - Which statement about capillaries is correct?
Their walls are only one cell thick
687 - The grouping of blood is based on substances called
Antigens
688 - Which blood group is universal acceptor?
AB+
689 - Which lobe of human brain is associated with hearing?
Temporal lobe
690 - Which of the following organs do not have blood vessels?
Cornea
691 - Receptors for hearing are located in the
Cochlea
692 - Image of object is is formed on which part of eye
Retina
693 - A colour blind person has difficulty in distinguishing which of the two colours ?
Green & Red
694 - Chiropterophily is the process of pollination by
Bat
695 - Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?
Lack of Oxygen
696 - The main result of aerobic respiration is the
Production of ATP from the breakdown of glucose
697 - What compound directly provides energy for cellular work?
ATP
698 - The outer membrane that covers the lungs
Pleura
699 - Bacteria were first discovered by
A.V.Leeuwenhoek
700 - Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins.
Bacteria
701 - In fungi asexual reproduction occurs mostly by
All of these
702 - Amoeba belongs to the phylum
Protozoa
703 - Dried milk dried meat are examples of preservation by
Dehydration
704 - Tissue in which cells have lost the capacity of cell division
Permanent tissue
705 - Plant tissues are of how many types?
3
706 - Detail study of internal organs at level of tissue with the help of microscope is called
Histology
707 - In plants and mineral salts from soil to the aerial parts of the plant are conducted through
Xylem vessels
708 - Smooth muscles are likely to be found in
Stomach
709 - Who formulated Cell theory?
Both Schawn and M.J.Scheilden
710 - Which of the following are known as the suicide bags of cells?
Lysosomes
711 - Which feature do Prokaryotic and Eukaryotic cells share
DNA
712 - Which of the following contain enzymes for cellular respiration ?
Mitochondria
713 - The smallest unit that is capable of carrying out life functions is known as
Cell
714 - Fusion of two gametes called
Fertilization
715 - Flowers in which polllination takes place by insect their pollen grains are ________
Rough and sticky
716 - Ornithology is the study of
Birds
717 - Pollination is best defined as
Transfer of pollen from anther to stigma
718 - Self pollination will lead to
Inbreeding
719 - Which one of the following is not a genetic disorder ?
Xerophthalmia
720 - Who is known as Father of Modern Genetics
Gregor Mendel
721 - Tracheids are conducting cells of which tissue?
Xylem
722 - The main function of the inner bark of a woody plant is to
Transport food from the leaves to the other parts of the plant
723 - Which one of the following tissues is responsible for increase of girth in the stem of a plant?
Lateral meristem
724 - Which of the following transports water from the roots of the plant to its leaves?
Both xylem and phloem
725 - The water and mineral salts are transported to the various organs by which of the following?
Xylem
726 - What prevents food from entering the windpipe?
Epiglottis
727 - Which of the following is true of enzymes?
Both A & B
728 - They substances,which assist enzymes act,are called
Substrates
729 - Biological catalysis in living organisms are known as
Enzymes
730 - Which of the following is not a function of saliva?
Contains fluoride to harden the tooth enamel
731 - Pollen grains in plants are produced in
flower
732 - Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
By denitrification
733 - Ptyalin is an enzyme produced in the
salivary glands
734 - Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
cholera
735 - The colour of Hemoglobin is
Red
736 - The elastic vessels which transport blood to the heart is known as
Veins
737 - The elastic vessels which transport blood from the heart is known as
Arteries
738 - White blood cell act
As a defence against infection
739 - Protein synthesis in a bacterial cell is done by
Ribosomes
740 - Which one is the first organelle to be discovered
Nucleus
741 - The cell theory was proposed by
Hook
742 - The Powerhouse of the cell is
Mitochondria
743 - Which of the following is an example of parasitism?
All of the above
744 - ________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
Commensalism
745 - Increased RBC's in the blood leads to a condition called
Polycthemia
746 - Platelet is also known as
Thrombocytes
747 - Antibodies are produced by
Plasma cells
748 - Oxygenated blood is carried from the lungs to the ________ by the pulmonary veins
Left auricle
749 - Which one is the largest cells in white blood corpuscles
Monoscytes
750 - The term biology is derived from the language
Greek
751 - Which structure is common to plant and animal cells?
Mitochondria
752 - Which observation proves that a cell is a eukaryote?
It has DNA inside a nucleus
753 - Physical basis of life is
Protoplasm
754 - Where does cellular respiration take place in the cell?
Mitochodria
755 - Diphtheria disease is caused by
Corynebacterium diphtheria
756 - Which of the following disease is non-communicable in nature?
Cancer
757 - When a disease break out and spread from one place to another affecting large number of peoples it is called
Epidemic
758 - Which of the following disease is caused by female Anopheles mosquito?
Malaria
759 - Which one among the following water-borne diseases is not caused by a bacteria ?
Hepatitis A
760 - Such plants which are adapted to survival under conditions a limited supply of water in its habitat are known as
Xerophytes
761 - Azolla is a
Aqueous fern
762 - Bamboo is classified as
Grass
763 - Bios means
Life
764 - In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
Arthropods
765 - Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is
Droplets of saliva
766 - Anopheles mosquito carries Plasmodium which causes malaria in
Humans
767 - Anopheles mosquito carries Plasmodium which causes malaria in
Humans
768 - Which is called as triple vaccine?
DTP
769 - Which of the following is an Abiotic factor?
Water
770 - All insects have how many parts of legs?
3
771 - All living things except bacteria and blue green algae are termed as
Eukaryotes
772 - There are how many species of fungi?
80,000 species
773 - Which of the following is true of annelids?
They perform gas exchange across their skin
774 - Which of the following has the largest number of chromosomes?
Pteridophytes
775 - Which of the following micro-organism causes diseases like polio and chicken pox?
Virus
776 - What kingdom does Amoeba belong to
Protista
777 - Which bacteria cause the greatest harm in the food industry?
Pathogenic
778 - Bacteria divides by
Binary Fission
779 - Important plant diseases like fire-blight and crown all are caused by
Bacteria
780 - Study of nose and alfactory organs is called
Rhinology
781 - The size of the pupil is controlled by the
Iris
782 - Bacteria are classified in the kingdom
Monera
783 - Which of the following animals shows radial symmetry
Star Fish
784 - Who introduced the ""binomial nomenclature"" to name organisms
C. Linnaeus
785 - Aestivation is seen in
Amphibians
786 - Which one is the largest animal phylum
Arthropod
787 - A typical chromosome has two parts a centrifuge and ________
Chromosomes
788 - How does a Unicellular Organism reproduce?
Cell division
789 - Healing of wounds is dependent upon the ________ division of underlying cells
Mitotic
790 - It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre.
Chromatin
791 - It is the site of chromosomes attachment to the fiber of spindle.
Centromere
792 - ________ helps the eye to adjust the focal length of the lens.
Ciliary body
793 - Eustachian Tube is located in which part of human body?
Ear
794 - Glomerulus and Bowman's capsule constitute
Malpighian tubule
795 - The kidneys are stimulated to produce renin
By a decrease in the blood pressure
796 - In mammals, an important role of excretion is played by________
Kidneys
797 - Salts and sugars work to preserve foods by creating a
Hypertonic environment
798 - Movement of cell against concentration gradient is called
Active transport
799 - Which one among the following Indian scientists proposed a theory for long distance transport of water in plants ?
N.S. Parihar
800 - The movement of materials across the cell membrane with the help of biological energy provided by ATP is called
Active Transport
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