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1. The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

2. Which of the following is not correct about carbon monoxide ?

3. Which one of the followings has maximum number of atoms ?

4. Paper chromatography is an example of

5. Which of the following is a natural polymer?

6. The mixture which shows positive deviation from Raoult’s law is

7. Identify the incorrect match.

Name IUPAC Official Name
(a) Unnilunium                 (i) Mendelevium
(b) Unniltrium                 (ii) Lawrencium
(c) Unnilhexium              (iii) Seaborgium
(d) Unununnium             (iv) Darmstadtium

8. Which of the following set of molecules will have zero dipole moment?

9. The freezing point depression constant (Kf) of benzene is 5.12 K kg mol–1. The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :

10. Measuring Zeta potential is useful in determining which property of colloidal solution?

11. Which of the following alkane cannot be made in good yield by Wurtz reaction?

12. An increase in the concentration of the reactants of a reaction leads to change in

13. Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as

14. Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :

15. Which of the following is a cationic detergent?

16. Flippers of Penguins and Dolphins are examples of

17. Floridean starch has structure similar to

18. Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their

19. The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

20. Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups.

21. Dissolution of the synaptonemal complex occurs during

22. Which of the following is put into Anaerobic sludge digester for further sewage treatment?

23. Which of the following statements are true for the phylum-Chordata?

(a) In Urochordata notochord extends from head to tail and it is present throughout their life.
(b) In Vertebrata notochord is present during the embryonic period only.
(c) Central nervous system is dorsal and hollow.
(d) Chordata is divided into 3 subphyla :
Hemichordata, Tunicata and
Cephalochordata.

24. Select the option including all sexually transmitted diseases.

25. Cuboidal epithelium with brush border of microvilli is found in

26. Identify the category of plant and its part :

The transverse section of a plant shows following anatomical features :
(a) Large number of scattered vascular bundles surrounded by bundle sheath
(b) Large conspicuous parenchymatous ground tissue
(c) Vascular bundles conjoint and closed
(d) Phloem parenchyma absent
Identify the category of plant and

27. By which method was a new breed ‘Hisardale’ of sheep formed by using Bikaneri ewes and Marino rams?

28. Montreal protocol was signed in 1987 for control of

29. According to Robert May, the global species diversity is about

30. Identify the wrong statement with regard to Restriction Enzymes.

31. The QRS complex in a standard ECG represents

32. Identify the substances having glycosidic bond and peptide bond, respectively in their structure

33. Which of the following regions of the globe exhibits highest species diversity?

34. Which of the following is not an inhibitory substance governing seed dormancy?

35. If the head of cockroach is removed, it may live for few days because

36. The number of substrate level phosphorylations in one turn of citric acid cycle is

37. The process of growth is maximum during

38. How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?

39. In gel electrophoresis, separated DNA fragments can be visualized with the help of

40. Identify the basic amino acid from the following.

41. Which of the following would help in prevention of diuresis?

42. Snow-blindness in Antarctic region is due to

43. Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to

44. Which of the following is correct about viroids?

45. Ray florets have

46. In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

47. The plant parts which consist of two generations - one within the other

(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule

48. Which of the following is not an attribute of a population?

49. The sequence that controls the copy number of the linked DNA in the vector, is termed

50. Experimental verification of the chromosomal theory of inheritance was done by

51. The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are

52. Identify the incorrect statement.

53. In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?

54. Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?

(a) Darwin’s Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.

55. Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?

56. Which of the following statements is not correct?

57. Embryological support for evolution was disapproved by

58. Presence of which of the following conditions in urine are indicative of Diabetes Mellitus?

59. The enzyme enterokinase helps in conversion of

60. Strobili or cones are found in

61. Meiotic division of the secondary oocyte is completed

62. The body of the ovule is fused within the funicle at

63. Goblet cells of alimentary canal are modified from

64. Which of the following statements about inclusion bodies is incorrect?

65. Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

66. Identify the correct statement with reference to human digestive system.

67. The ovary is half inferior in :

68. The infectious stage of Plasmodium that enters the human body is

69. Identify the wrong statement with reference to immunity.

70. Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

71. The first phase of translation is

72. Name the enzyme that facilitates opening of DNA helix during transcription.

73. The roots that originate from the base of the stem are

74. Select the correct statement.

75. Bilaterally symmetrical and acoelomate animals are exemplified by

76. The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of

77. Which one of the following is the most abundant protein in the animals?

78. Which of the following pairs is of unicellular algae?

79. In water hyacinth and water lily, pollination takes place by :

80. Which of the following statements is correct?

81. In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly decreased, the beat frequency increases to 7 Hz. If the frequency of A is 530 Hz, the original frequency of B will be:

82. Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?

83. For transistor action, which of the following statements is correct?

84. A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capillary is 5 g. Another capillary tube of radius 2r is immersed in water. The mass of water that will rise in this tube is :

85. Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligible mass. The centre of mass of the system from the 5 kg particle is nearly at a distance of :

86. Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is :

87. The solids which have the negative temperature coefficient of resistance are:

88. A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?

89. A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale.

The pitch of the screw gauge is :

90. In Young’s double slit experiment, if the separation between coherent sources is halved and the distance of the screen from the coherent sources is doubled, then the fringe width becomes :

91. Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:

92. A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system

93. Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is [velocity of sound 340 m/s]

94. Consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 50 m/s. Take g constant with a value 10 m/s2. The work done by the (i) gravitational force and the (ii) resistive force of air is

95. A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watt would be

96. Which of the following statements are correct?

(a) Centre of mass of a body always coincides with the centre of gravity of the body.
(b) Centre of mass of a body is the point at which the total gravitational torque on the body is zero
(c) A couple on a body produce both translational and rotational motion in a body.
(d) Mechanical advantage greater than one means that small effort can be used to lift a large load.

97. A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves :

98. A disease caused by an autosomal primary non-disjunction is

99. A dioecious flowering plant prevents both:

100. Attractants and rewards are required for

101. Alexander Von Humboldt described for the first time

102. Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

103. Zygotic meiosis is characterstic of

104. Select the best option from the following statements

Good vision depends on adequate intake of carotene rich food
(a) Vitamin A derivatives are formed from carotene
(b) The photopigments are embedded in the membrane discs of the inner segment
(c) Retinal is a derivative of vitamin A
(d) Retinal is a light absorbing part of all the visual photopigments

105. Among the following characters, which one was not considered by Mendel in his experiments on pea?

106. The association of histone H1 with a nucleosome indicates:

107. The pivot joint between atlas and axis is a type of

108. Receptor sites for neurotransmitters are present on

109. GnRH, a hypothalamic hormone, needed in reproduction, acts on

110. Hypersecretion of Growth Hormone in adults does not cause further increase in height, because

111. Select the mismatch :

112. Which one of the following statements is not valid for aerosols?

113. Which one of the following is related to Ex-situ conservation of threatened animals and plants?

114. Which of the following facilitates opening of stomatal aperture?

115. Select the mismatch :

116. Asymptote in a logistic growth curve is obtained when

117. The process of separation and purification of expressed protein before marketing is called

118. The water potential of pure water is

119. The function of copper ions in copper releasing IUD's is :

120. Double fertilization is exhibited by

121. Presence of plants arranged into well defined vertical layers depending on their height can be seen best in :

122. Which ecosystem has the maximum biomass?

123. Root hairs develop from the region of

124. DNA replication in bacteria occurs

125. Homozygous purelines in cattle can be obtained by

126. In Bougainvillea thorns are the modifications of

127. A decrease in blood pressure/volume will not cause the release of

128. Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

129. Which of the following options best represents the enzyme composition of pancreatic juice?

130. Life cycle of Ectocarpus and Fucus respectively are

131. Which of the following is made up of dead cells?

132. Which of the following is correctly matched for the product produced by them?

133. Fruit and leaf drop at early stages can be prevented by the application of

134. Viroids differ from viruses in having :

135. Which of the following are not polymeric?

136. A temporary endocrine gland in the human body is

137. Plants which produce characterstic pneumatophores and show vivipary belong to

138. Mycorrhizae are the example of

139. If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

140. A gene whose expression helps to identify transformed cell is known as

141. Which of the following are found in extreme saline conditions?

142. MALT constitutes about ___________ percent of the lymphoid tissue in human body

143. Which one from those given below is the period for Mendel's hybridization experiments?

144. Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

(a) They do not need to reproduce
(b) They are somatic cells
(c) They do not metabolize
(d) All their internal space is available for oxygen transport

145. Myelin sheath is produced by

146. Which of the following statements is correct?

147. During DNA replication, Okazaki fragments are used to enlongate

148. Which one of the following statements is correct, with reference to enzymes?

149. DNA fragments are

150. The DNA fragments separated on an agarose gel can be visualised after staining with

151. Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

152. The morphological nature of the edible part of coconut is

153. Identify the wrong statement in context of heartwood.

154. Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

155. The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as

156. Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

157. Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

158. An important characteristic that Hemichordates share with Chordates is

159. The final proof for DNA as the genetic material came from the experiments of

160. What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

161. Artificial selection to obtain cows yielding higher milk output represents

162. Which of the following in sewage treatment removes suspended solids?

163. Spliceosomes are not found in cells of

164. Functional megaspore in an angiosperm develops into

165. Which of the following components provides sticky character to the bacterial cell?

166. Which among these is the correct combination of aquatic mammals?

167. Which of the following represents order of 'Horse'?

168. Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of :

169. Capacitation occurs in

170. Which of the following RNAs should be most abundant in animal cell?

171. Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?

172. In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation?

173. Select the best option from the following statements

Frog's heart when taken out of the body continues to beat for some time
(a) Frog is a poikilotherm
(b) Frog does not have any coronary circulation
(c) Heart is "myogenic" in nature
(d) Heart is autoexcitable

174. The hepatic portal vein drains blood to liver from

175. Coconut fruit is a

176. The vascular cambium normally gives rise to

177. In case of poriferans the spongocoel is lined with flagellated cells called :

178. A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

179. An example of colonial alga is

180. An example of a sigma bonded organometallic compound is


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