1. A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be due to

2. Consider the following statements in relation to plant tissue chlorenchyma. I. It is formed by the palisade and spongy mesophyll. II. It is a form of parenchyma, which contains chloroplasts. III. It serves to transport organic solutes made by photosynthesis. IV. It is a thin transport layer, which has chiefly a protective function. Which of the statements given above is/are correct?
3. Which of the following gland atrophies at the age of 15-17 years in man?
4. Which one of the following sets contains polysaccharides?
5. Consider the following statements regarding osmosis in animals cells. I. If the water potential of the solution surrounding the cell is too high, the cell shrinks. II. If the water potential of the solution surrounding the cell is too low, the cell swells and bursts. III. It is important to maintain a constant water potential inside the animal body. IV. In animal cells, water potential far exceeds the solute potential. Which of the statements given above is/are correct?
6. Haem is the important biologically in the myoglobin, which is used to store
7. Consider the following diseases I. Yellow fever II. Plantar wart Ill. HIV/AIDS IV. Rubella Which of the diseases given above is/are caused by virus?
8. Sun loving plants are
9. Choose the correct answer about the hormone (s) secreted by the posterior lobe of the pituitary gland. 1. ADH (Vasopressin) 2. Oxytocin (pitocin) 3. Adrenaline (Epinephrine) 4. FSH
10. The energy currency of our cell/body is
11. To study the evolutionary kingdoms, which one of the following will be very useful
12. You meet a person who has protruding eyes, tachycardia and higher body temperature. He/ She suffers from
13. Which one among the following animals is without the bone-marrow?
14. Consider the following statements I. The cervical ribs in the Giraffe are seven only II. All mammals have only seven cervical ribs. III. The long neck of the Camel is due to elongation of cervical ribs. IV. The long neck of the Giraffe is due to increase in the number of cervical ribs. Which of the statements given above are correct?
15. Ecology takes into account of
16. Consider the following statements Metamorphosis in insects is regulated. II. It is a steroid hormone. Which of the statements given above is/are correct about the Ecdysone hormone?
17. The urine sample of a diabetic patient contains
18. Which of the following vitamin is helpful for treatment of viral infection?
19. Consider the following statements I. The sickle cell anaemia is a genetic disease common in tropical and sub-tropical countries. II. The sickle cell anaemia is due to mutation in 13-globulin gene. III. Due to the sickles-shaped aneania, oxygen carrying capacity of the haemoglobin decreases. Which of the statements given above is/are correct?
20. Agar-agar from the cell wall of red alga, Gracilaria sp. is composed of
21. Which of the following hormones given below regulate the calcium level in our blood?
22. The tusks of the elephants are modified
23. Which of the following vitamins is required for the maturation of erythrocytes in human beings?
24. Plants genes of endangered species are stored in
25. The first geological time scale was developed by
26. Which of the following island is known as ''Biological paradise''?
27. The acidic character of DNA and RNA are due to
28. Which one among the following is activated in stress conditions?
29. Which of the following continent is known as the ''Bird continent''?
30. Which of the following are characteristics of diabetes mellitus, a common disease of human beings? I. Increase of blood sugar, II. Appearance of sugar in urine. Ill. Loss of hunger. IV. Lack of energy. Which of the statements given above is/are correct?
31. Human blood is a viscous fluid. This viscosity is due to
32. RNA differs from DNA in having
33. Removal of thymus gland in the early life of an experimental mammal will cause
34. Who is the father of Binomial nomenclature of organisms?
35. Consider the following actions I. Weeping II. Sneezing III. Coughing IV. Yawning Which of the actions given above are reflex actions?
36. The number of DNA molecules per chromatid are
37. The Kingdom protista which consists of the both, simple unicellular and multi-cellular organisms was first enacted by
38. Consider the following statements I. Jute is mainly Lignin in nature II. Jute is also known as 'Golden fibre'. Which of the statements is/are correct?
39. What is the cause of Addison's disease?
40. The theory of the continental drift was proposed by
41. Consider the followings organs I. Vermiform appendix II. Auricular muscle of external ear Ill. Plica semilunaris IV. Mammary glands in males Which of the organs give above is/are vestigial in man?
42. The classification of Engler and Prantl is one which is based on
43. The nucleosome is
44. Select the correct answer I. Microtubules II. Microfilaments Which of the following is/are called the cytoskeleton of a cell?
45. Consider the following statements I. Thirst and hunger feelings of man II. Body temperature regulation in mammals III. Salivation in mammals IV. Respiration in animals Which of the functions given above is/are performed by the hypothalamus?
46. Which of the following is the correct sequence according to an increase in diversity amongst the organisms?
47. Which of the following groups contains only true fishes?
48. What would happen if human blood becomes acidic (low pH)?
49. When an aeroplane take off, some occupants often feel pain in the region of ears. This is because of
50. Father of the Indian Systematic Botany is
51. Which of the following is the most important factor for speciation?
52. Consider the following statements 1. Live in the same geographical area. 2. Live in isolated geographical area. 3. They are an interbreeding population. 4. They are reproductively isolated. Which of the statements given above is/are correct about the sympatric species?
53. Which one of the following is the connecting link between phylum annelida and arthropoda?
54. Consider the following statements I. Femur is the longest bone in human body. II. Stape is the smallest bone found in ear. III. Stapedius is the smallest muscle in our body. IV. Turbinal bones can be traced in forelimbs. Which of the statements given above is/are correct?
55. Milk is unique in its nutritive value. However, it is a poor source of
56. Choose the correct answer I. Fins of fishes II. Fins of Ichthyosaurs III. Flippers of Whale Which of the organs given above is/are ''analogous organs''?
57. The initiation factors for protein synthesis are located in
58. Which one among the given hormones is jocularly termed as a ''jack-of-all-trade''?
59. Which one among the following cycles involves the conversion of muscle lactic acid to muscle glycogen?
60. The word ''Taxonomy'' was coined by
61. Select the correct answer I. Galactose II. Mannose III. Lactose Which of the sugar(s) given above has/have make the mucilage found in some fruits like `Bhindi'?
62. Which of the following will form a new species?
63. Select the correct answer I. Vitamin A II. Vitamin C III. Vitamin E IV. Vitamin B complex Which of the vitamins given above is/are anti-oxidant?
64. Consider the following statements about the relaxin hormone I. It is a steroid hormone II. Softens the cervix during childbirth III. Inhibits uterine motility Which of the statements given above is/are correct?
65. The term meiosis was coined by
66. The receptors for bitter taste are located at which part of tongue?
67. The eukaryotic organisms contain ribosomes having 40S and 60S subunits. The assembly of such units give
68. Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?
69. Consider the following statements 1. Sea mouse is a mammal 2. In sea mouse, the haemoglobin is dissolved in the plasma of blood. Which of the statements given above is/are correct?
70. Which of the following cell organelle is found in a cell which is very active in protein synthesis?
71. Which one among the following statements about blood transfusion is correct?
72. Which of the following is the correct sequence of cell cycle?
73. Which of the following viruses have RNA as the genetic material? 1. Polio-viruses 2. Reo-viruses 3. Adenoviruses 4. TMV
74. Which one among the following is responsible for provide balance in human beings?
75. During meiosis, the disjunction of chromosomes can be seen in stage
76. Which one among the following gases readily combines with the haemoglobin of the blood?
77. Consider the given cell organelles I. Mitochondria II. Plastids Ill. Ribosome Which of the cell organelle(s) given above is/are common in both plant and animal cells?
78. Consider the following statements I. Chloroplast is known as ''cell within cell organelle''. II. Chloroplast is the largest cell organelle found in plant cells. Ill. Chloroplasts have single stranded extra-chromosomal DNA. Which of the statements given above is/are correct?
79. The virus was discovered by
80. The ultimate cause of water movement in a plant stem against gravity is
81. Bacteriophage is
82. Interferon suppresses the pathogenic activity of
83. Father of biology is
84. In humans, which one among the following, with reference to breathing, is correct?
85. Consider the following compounds I. Acetylcholine II. Serotonin III. Nor-adrenalin IV. Alanine Which of the compounds given above is/are neurotransmitters?
86. The yellow and orange colour of fruits and flowers are mainly due to
87. Why do we move our hands while walking?
88. Which one among the following is the function of osphradium found in Pila globosa?
89. The golgi bodies very common in the secretory cells are originate from
90. Commensal to man found in colon is
91. Which among the following gland is known as '' Clockwork gland'' of human beings?
92. The corpus callosum is absent in which one among the following animals?
93. Which of the following stages is associated with the formation of chiasmata during meiotic cell division?
94. The physical basis of life protoplasm was named by
95. Organisms free floating on the surface of water body are
96. The pigment similar to animal haemoglobin in plants ''leghaemoglobin'' occurs in
97. Consider the following cell organelles of the organisms I. Mitochondria II. Chloroplasts Ill. Endoplasmic reticulum Which of the ones given above is/are semi-autonomous organelle(s)?
98. The respiratory centre, which regulates respiration in men is located in
99. Consider the following chemicals I. Ammonia II. Coumarin Ill. Pthallide Which of the chemicals given above is/are germination inhibitor?
100. Dual Energy X-ray Absorption tiometry (DEXA) is used to measure
101. Which of the following pair of cell orga- nelles is mainly concerned with fatty acid metabolism in both plants and animals?
102. In sharks, there are
103. Consider the following statements I. Lysosomes have hydrolytic enzymes. II. Lysosomes are autophagic. Ill. Lysosomes can dissolve proteins, lipids and carbohydrates. IV. All lysosomes are same structurally and functionally. Which of the statements given above is/are correct?
104. The phragmoplast, a cell plate formed in plant cells originates from
105. The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively which organs to discharge their secretions?
106. DNA is mainly found in the following organelles I. Mitochondria II. Chloroplasts Ill. Peroxisomes IV. Nucleus Which of the statements given above is/are correct?
107. In ferns, the meiosis occured before the formation of
108. Which one of the glands in human body produces the growth hormone (somatotrophin)?
109. The following is/are the symptoms associated with diabetes mellitus, a common disease of human beings I. High sugar level in blood. II. Lower sugar level in blood. III. Higher insulin level in blood. IV. Lower insulin level in blood. Which of the statements given above is/are correct?
110. Otolith found in the inner ear of man is chemically
111. Presence of many embryos is a characteristic feature of
112. Which of the following blood vessel carries the blood rich in amino acid , glucose, etc from intestine to liver?
113. Consider the following cell organelles I. Chloroplast II. Mitochondria III. Peroxisome Which of the organelles given above is/are concerned with photorespiration?
114. Which of the following cell organelle is mainly concerned with detoxification of drugs one takes during illness?
115. Nitrosomonas and Nitrobacter convert
116. The spindle fibres are mostly composed of
117. Which one among the following is responsible for the resistant nature of bacterial endospores?
118. Which of the following is used in the production of yoghurt?
119. Which of the following animals have the biconvex and non-nucleated RBCs?
120. The organ of the corti is found in which part of the human body?
121. The function of antennae found in cockroach is
122. Which of the following hormones is involved in the formation and maturation of RBCs?
123. Which is the correct order of phases in prophase-I?
124. Which of the following should a man consume if he lacks rhodopsin in his eyes?
125. Which one among the following is a major source of sugar?
126. Which one of the following extra-embryonic membranes acts as a protective aquarium for the developing embryos?
127. The genes which confer antibiotic resistance to bacteria are located in
128. The monocot plants lack the process of grafting. It is mainly due to lack of
129. Consider the following statements I. Double fertilization is a characteristic of Angiosperm. II. Double fertilization is a characteristic of Gymnosperm. III. Four nuclei participate in double fertilization. IV. Five nuclei are participated in double fertilization. Which of the statements given above are correct?
130. If a man of blood group 'A' marries a woman of blood group 'B', their children can be of the blood group
131. Which one among the following cell organelle is associated with GERL complex?
132. The neurogenic heart is the characteristic feature of
133. Which among the following hormones can be used in the treatment of diabetes insipidus?
134. The meiosis cell division can be best studied in
135. Consider the following statements I. Pollen grains can withstand extremes of temperature and dessication. II. Pollen grains have sporopollenin, one of the most resistant biological material Which of the statements given above is/are correct?
136. The phase of cell cycle during which 'DNA polymerase' is functionally active is
137. The heart sound murmurs are heard during
138. Consider the following statements I. Honey bee is the chief pollinator of our agricultural crops. II. In honey bee, drone is reproduced from the unfertilized eggs. III. In honey bee colony, there are around 10- queens in the hive. Which of the statements given above is/are correct?
139. Which one among the following is the rarest type of WBC in the human blood?
140. Who coined the term nucleolus?
141. The placoid scales are found only in
142. In some plants, the flower is modified in such a way that it looks like a female insect and attracts male counterparts for the copulation. Such modification is used for the pollination and occurs commonly in
143. Consider the following statements I. Endoplasmic reticulum (ER) is called as ''skeleton of cell'' II. ER is divided into three types according to presence or absence of ribosome. III. Smooth ER is rich in actively protein secreting cells. Which of the statements given above is/are correct?
144. When our cells are filled with dead or damaged organelles like mitochondria, ER, etc, The degradation of these organelles is mainly performed by
145. Consider the following statements I. Cortical granules originate from Golgi bodies. II. Cortical granules form the fertilization membrane. III. Cortical granules are found only in ovum Which of the statements given above is/are correct?
146. Which of the following term is associated with failure of meiosis-II to occur after meiosis-I?
147. The pH of fresh milk is 6. When it turn sour, the pH
148. The bacteria were discovered by which of the following person
149. The secretory product pectin of cell wall is chemically a
150. Select the correct answer I. Flipper of a seal II. Wing of a bat III. Arm of a man IV. Wing of a moth Which of the organs given above is/are homologous?
151. The phenomenon of Poly-embryony was first observed in
152. Ilmas, a species of Camel family are found in
153. Which one among the following is the enzyme which induces lysis of fibrin during fibrinolysis?
154. Select the correct answer I. Sucrose II. Glycogen III. Chitin Which of the carbohydrates given above is/are reducing sugar?
155. The root system of plants grows out from the
156. Consider the statements about aspartame I. It is a peptide essentially non-caloric sugar free sweetener. II. It is about 180 times sweeter than sucrose. III. It is widely used in drink and food industry. IV. It does not promote tooth decay. Which of the statements given above is/are correct?
157. Which of following animal is used to prepare the vaccine against mycobacterium ieprae?
158. The beverage 'coconut milk' of green coconut is the
159. Which of the following plant has exhibited viviparity phenomenon?
160. Which one among the following is the major proteins involved in the production of antibodies?
161. Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light?
162. Which among the following hormones is known as the Emergency hormone''?
163. The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively. Which organs to discharge their secretions?
164. In Erythroblastosis foetalis which one of these move from mother to embryo through the placenta
165. Consider the following statements I. Sphenodon, a living fossil is found in New Zealand. II. Heloderma is a only poisonous lizard found in Nearctic region. III. Phrynosoma, a horned toad is found in Australian region. Which of the statements given above is/are correct?
166. The mad-cow disease in catties is caused by
167. Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images our internal body organs. This is primarily possible because
168. Which of the following groups of animals are warm blooded (1) Amphibia (2) Reptilia (3) Ayes(Birds) (4) Mammalia Select the correct answer using the codes given below
169. Consider the following statements I. Lymph transports oxygen to brain. II. Lymph returns the intestinal fluid to the blood. III. Lymph is modified blood that contains all except RBCs and certain proteins. Which of the statements given above is/are correct?
170. Which of the following is the correct sequence of evolution?
171. Vermiform appendix present in our body indicates our ancestors were
172. In higher animals, haemoglobin is found in red blood corpuscles. Which of the following animals have haemoglobin dissolved in plasma?
173. Which one among the following is true about the ''pollen basket''?
174. Cancer is more common in older people because
175. Which one among the following animal tissues transport hormones, heat and maintains water balance?
176. Which one among the following is the rarest amino acid in nature?
177. Which gland is associated with the production of lymphocytes and antibodies?
178. Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function?
179. Pituitiary has been described as the master gland and its hormones govern other endocrine glands. But which of the following glands does not come under its influence?
180. Which one among the following organisms is found in the gut of termites which feed on wood?
181. Termites can't digest the cellulose contained in wood. Which of the following organism assists termites in the cellulose digestion?
182. The ''pond bloom'' of blue green algae which causes the death of fishes and cattles produces the toxins of
183. In which of the following period the flowering plant, ie, Angiosperm appeared for the first time?
184. The vitamin which is very liable and easily destroyed during cooking as well as storage is
185. The main thinking part of the brain is
186. Which of the following vitamins are to be with our daily diet?
187. Chemically silk fibres are predominantly
188. To which one of the following types of organisms do mushrooms belong?
189. When a ripe fruit is kept with unripe fruits, the latter ripen due to release of
190. Which among the following commercial form of hormones can induce ''labour'' in the pregnant woman?
191. In which of the following does the germination of the embryo occur when the fruit is still attached to the plant?
192. The sex of a newborn baby is determined by the chromosome inherited from
193. Which one among the following hormones is the 'stress hormone' of plants?
194. Cattle are capable of digesting cellulose present in the grass and/or fodder that they eat. This ability is attribute to the
195. Select the correct answer I. The first mammals arose in the triassic period. II. The first mammals were oviparous in nature. Which of the statements given above is/are correct?
196. Eating of raw fish can cause deficiency of
197. Which one among the following statements about blood transfusion is correct? Blood gray B can give blood to
198. Select the correct answer I. Amphibians II. Reptiles III. Birds IV. Mammals Which of the following organisms given above are uricotelic?
199. Which of the following causes leads to mumps in human beings?
200. Consider the following diseases I. Haemophilia II. Progeria Ill. Colour blindness IV. Lesch-Nyhan syndrome Which of the genetic diseases given above is/are X-linked?
201. Consider the following vitamins (1) Niacin (2) Pyridoxine (3) Riboflavin (4) Thiamine Which of the above vitamins are water soluble?
202. Consider the following statements about progeria . I. Progeria is the genetic disease associated with fast ageing. II. Progeric patients never live beyond early twenties. Ill. It happens due to point mutation replacing cytosine by thymine Which of the statements given above is/are correct?
203. The relationship between the epiphytic plants and the host plants is
204. Which of the following parts of insectivorous plants such as nepenthes, darlingtonia, etc have modified to capture the insects?
205. In which pair, both the organisms are ammonotelic?
206. Which of the following statements about sexual reproduction in flowering plants are correct? I. Stamen is present in the center of a flower. II. Stamen produce pollen grains in the ovary. III. The swollen bottom part of carpel is the ovary. IV. The fusion of germ cells gives rise to zygote. Select the correct answer using the codes given below
207. Hyper-osmotic urine secreted by human beings is due to presence of depends on
208. Which one among the following chemicals/hormones can be used to overcome the genetic dwarfness?
209. The cuckoo birds never build their own nests but the female lays eggs in the nest built by other smaller birds. The relationship is
210. Consider the following statements I. Iodine is necessary for the thyroid gland to make adrenaline. II. Iodine deficiency leads to goitre in human beings. III. Iodine is secreted by pancreas and helps in regulating cholesterol level. Which of the statements given above is/are correct?
211. The richest source of vitamin A are
212. Consider the following statements I. Warm-blooded animals can remain active in cold environment in which cold-blooded animals can hardly move II. Cold-blooded animals require much less energy to survive than warm-blooded animals. Which of the statements given above is/are correct?
213. Which of the vitamins is essential for the red blood cell formation?
214. Which of the following is the X-linked genetic disease?
215. Which among the following is the richest source of ascorbic acid?
216. In the mouth of a rabbit, diastema is a gap between
217. Select the correct answer I. Lung fish II. Spiny ant eater III. Tortoise Which of the organisms given above is/are connecting links?
218. Consider the following statements I. Down's syndrome is a genetic disease due to an extra 21st chromosome in man. II. Down's syndrome leads to small chin, shorter limbs, oversized tongue in men. Which of the statements given above is/are correct?
219. When a colour blind male marries a normal woman not carrying the gene for colour blindness, their offspring will be
220. Which of the following vector spreads the ksala- azar in human beings?
221. How many microspore mother cells are needed to produce 100 pollen grains in the angiosperm cells?
222. Mosquito can be a vector for following diseases except
223. Which of the following cannot determine phylogenetic relationships among the organisms?
224. Which one among the following organs manufacture albumin, fibrinogen and prothrombin?
225. In humans, which one among the following, with reference to breathing, is correct?
226. Which of the following commercial form of hormone is used in sterile cows to induce lactation?
227. Which one among the following produces the largest sperm in the plant kingdom?
228. In the biotic interaction, both the species derive benefit and their association more or less obligatory is termed as
229. Which among the following areas in conducive for well irrigation?
230. The technique used for the sepration of DNA fragments is
231. Which one among the following is the plant having dominant gametophytic generation?
232. Which one among the following is responsible for the expansion of water in the ocean?
233. The reappearance of those ancestral characteristics in an organism, which do not occur normally is termed as
234. Which among the following animal has ''wriggler'' as a larval form?
235. Leishmania, the causative agent of kala-azar, multiplies asexually by
236. Which one among the following is the reason for the absence of fruit in gymnosperm?
237. The technique of the development of fruits without fertilization is known as
238. Which of the following is not present in prokaryotes?
239. ln a particular disease, the woman may possess male like characters like beards and moustaches. This happens because of
240. Consider the followings I. Meristem II. Microspore III. Megaspore Which of the plant cells/tissues given above is/are 'totipotency' in nature?
241. Which one among the following affects the flowering in plants?
242. Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
243. Which of the following techniques can be used to establish the paternity of a child?
244. The female gametophyte of angiosperm is mostly
245. Which cells cannot divide following the birth in humans?
246. In a bisexual flower in androecium and gynoecium mature at different time the phenomenon is known as
247. Consider the following methods I. X-rays II. Delayed pollination III. Chemical agents Which of the methods given above is/ are used to obtained 'homozygous types' in plants?
248. Which among the following endocrine glands is temporary lasts only for a limited period?
249. The largest amount of physical and chemical molecules present in the cells is
250. Coagulation of blood in the vessel is prevented during normal condition by
251. The colour of the bile pigment is largely derived from
252. Ecdysone is secreted by
253. In human body, the pancreas secretes its enzymes into which one of the following?
254. Which one among the following amino acids is the last entry in ''magic-20''s?
255. Select the correct answer using the codes given below I. Heparin II. Natural gums III. Agar-agar Which of the products given above is/are carbohydrates in nature?
256. Which hormone helps in breaking seed dormancy? 1. ABA 2. Cytokinin 3. Auxin 4. Gibberellin Select the correct answer using the codes given below
257. If a man is starving and also without beverages, there will be
258. Which among the following is the first hormone produced by genetic engineering?
259. Which of the following are the ''amphibians'' of plant kingdom?
260. Consider the following worms (1) Filaria worm (2) Guinea worm (3) Hookworm (4) Pin worm Which of the worms given above is/are nematodes?
261. The relationship between a sea anemone and the hermit crab is
262. Which one among the following is known as ''animal starch''?
263. Which among the following hormone has a stimulatory effect on the heart?
264. The vitamin which is generally excreted by humans in urine is
265. The unit structure of genes is made up of
266. Which one among the following vitamins was regarded as the 'wonder drug'' by Linus Pauling?
267. A fatal neurodegenerative disease called ''Kuru'' common in a tribe of Papua New Guinea is caused by
268. Hormone was discovered by
269. What is the amount of blood filtered by the kidney within a minute?
270. Which of the following vitamin combines with avidin contained in egg-white forming a compound that cannot be absorbed by the intestine and is therefore, excreted
271. The improper function of which of the following results in the condition 'Myxedema' in human beings?
272. In which one of the following type of cell divisions does crossing over of chromosomes take place?
273. Which of the following organism does not obey the 'cell theory'?
274. Synapsis that is the pairing of homologous chromosome during the meiotic cell division occurrs during
275. Which of the following Vitamin causes a syndrome which is characterized by 3D's namely, dermatitis, diarrhoea and dementia?
276. Select the correct answer I. Ornithine II. Arginine III. Citrulline IV. Alanine Which of the amino acids given above are involved in the ornithene cycle of human beings?
277. Which are among the following organs is involved in the conversion of ammonia, the main end product of protein digestion to excretory product urea?
278. Which of the following vitamins is considered to be a para-thormone?
279. Which of the following imparts yellow colour to urine in humans?
280. The characteristic odour of garlic is due to
281. Which of the following is the honey bee queen substance?
282. Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because
283. The macro nutrients provided inorganic fertilisers are
284. The ultimate cause of water movement in a plant stem against gravity is
285. Other that resistance to pests, what are the prospects for which genetically engineered plants have been created? I. To enable them to withstand drought. II. To increase the nutritive value of the produce. III. To enable them to grow and do photosynthesis in space ships and space stations. IV. To increase their shelf life. Select the correct answer using the codes given below
286. Which one among the following muscles is immune to fatigue?
287. The sliding-filament theory of muscle contraction was proposed by
288. Which one among the following is the 'Bombaykol'?
289. Consider the following statements I. Penguin is a mammal found in Antarctic region. II. Penguin is an oviparous animal. Which of the statements given above is/are correct?
290. Which of the following is the cause of suffering of aged people from joint pains?
291. Which one among the following vitamins is necessary for blood clotting?
292. Consider the following statements I. Frogs can breathe by lungs as well as skin. II. Gills are present in certain stages of lifespan of Frogs. Which of the statements given above is/are correct?
293. The excretion of insoluble calcium phosphate present in our body is done by
294. Which of the following metal ion is needed to form poly-ribosomes from ribosomes?
295. The colour of flower petals is due to the presence of
296. How do marine animals survive in water without air contact?
297. Select the correct answer I. Ultrafiltration II. Selective Resorption III. Secretion IV. Passive absorption Which of the functions given above is/are correct about the physiological functions of ''human kidneys''?
298. Which one of the following organelles takes part in the formation of acrosome in human sperms?
299. The vestigial organ, vermiform appendix found in human beings is a part of
300. The cell theory was proposed by
301. The chemical nature of carrier molecules facilitating transport across plasma membrane is
302. The ribosomal sub-units of prokaryote cell is
303. Which of the following organelles is associated with ATP synthesis in cells?
304. The nucleolus is the chief site for the synthesis of
305. Which of the following organisms have peptidoglycan compound as an important constituent in cell wall?
306. Consider the following statements I. In birds bone marrow is filled with air-sacs. II. Air-sacs in birds helps in respiration as well as in body temperature regulation. Which of the statements given above is/are correct?
307. Which of the following organisms used the echolocation for path findings or for prey detections? I. Bats II. Dolphins III. Falcons Select the correct answer using the codes given below
308. Round dance of honey bee is mainly used to pass the information when
309. Yellow cells or chloragogen cells surrounding the intestine of Earthworm performs the function of
310. The plasma membrane of animal cells is highly elastic. It is mainly due to the presence of
311. The most advanced evolutionary influorescent is found in
312. The ratio of organic matter to inorganic matter in the cell is
313. What happen to plant cells when they are kept in a hyper-osmotic solution?
314. Consider the following statements I. Hyaluronic acid forms the synovial fluid of joints. II. Hyaluronic acid is a polysaccharide. Which of the statements given above is/are correct?
315. Which one among the following pigment found in plant cells is known as ''vegetable chaemeleon''?
316. How much glomerular filtrate is formed in human beings in a day?
317. Kidney stones are mainly formed by which of the following compound
318. Which of the following is the correct sequence of the different phases of cell division? (1) Anaphase (2) Telophase (3) Prophase (4) Metaphase Select the correct answer using the codes given below
319. Complete oxidation of one gram of glucose yields (in calories)
320. Which of the following phases is the longest phase in the meiotic cell division?
321. Which one of the following organelles is the smallest membrane bound organelle?
322. Which one among the following is true about ''Ginger and Sweet potato '?
323. Which of the following dentition is found in crocodiles?
324. Which one among the following has the specialized absorptive tissue in roots?
325. Consider the mammahian deutitions I. Heterodont II. Monophyodont Ill. Thecodont IV. Di phyodont Which of the statements given above is/are correct about mammalian dentition?
326. Potatoes are borne on
327. Which one among the following is true about the ''Bombay phenotype''?
328. Which one among the following has haustoria or sucking roots?
329. The number of cell organelles in our body can be kept in control by which of the following organelle?
330. The phylloclade commonly found in xerophytic plants is the modified
331. Which one among the following is the largest edible bud found in nature?
332. In Opuntia, the spine is the modification of
333. ''Fluid Mosaic model'' proposed by Singer and Nicholson is mainly concerned with
334. In which of the following groups would you place a plant,which produces spores,has vascular tissues and beer seeds without fruits?
335. Which one among the following parts of castor seed yields oil?
336. Consider the following statements I. The reserve food material of plants is generally starch. I. In seeds, the food reserve material is fat. III. The fats make the seeds lighter. IV. The fats also yield more energy than other forms of food reserve. Which of the statements given above is/are correct?
337. Consider the following functions of Xylem I. Conduction of water II. Conduction of minerals III. Mechanical support Which of the functions of xylem given above is/are correct?
338. If a dicot stem is stained with safranin and fast green, the phloem will pick up
339. Which one among the following tissues can be used for the extraction of fibres?
340. Which one among the following parts is used to obtain the purest form of cellulose from plants?
341. In which one among the following cell walls, the silica is abundantly found?
342. The release of pancreatic juice from the pancreas in a mammal is stimulated by
343. People recovering from long illness are often advised to include the alga Spirulina in their diet because it
344. Select the correct answer I. National institute of Immunology (Nil). II. international Centre for Genetic Engi┬Čneering and Biotechnology (ICGEB). III. National centre of Plant Genomic Research (NCPGR). Which of the Institutes given above is/are located in ''New Delhi''?
345. Which of the following organ acts as a shock tissue during allergic reactions?
346. Where is the Institute of Microbial Technology (IMTECH) situated?
347. Consider the following statements I. Schizophrenia is associated with thought insertion and broadcasting. II. Schizophrenia leads to paranoid delusions and passivity. III. The name Schizophrenia was given by Bleuter Which of the statements given above is/are correct?
348. Which one among the following micro orgainisms can be used in ''Microbial fuel cells''?
349. Consider the following statements about probiotic food. I. Probiotic food contains live bacteria which are considered beneficial to humans. II. Probiotic foods help in maintaining gut flora Which of the statements given above is/are correct?
350. Among the following which one is not an ape
351. HIV mainly infects
352. Consider the following Reserves I. Biosphere reserves II. National parks III. Tiger Reserves IV. Sanctuary reserves Which of the reserves given above is/ are in-situ conservation sites?
353. Antigens are present
354. Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because
355. The pH of human blood is normally around
356. Which one among the following vitamins is necessary for blood clotting?
357. The fossil of Arxhaepteryx represents the evidence of origin of
358. Which one among the following statements is correct?
359. The macro-nutrients provided inorganic fertilizers are