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Biology 81 MCQs
1. The ability to distinguish between two separate points is:
2. Protein layers which are not continuous on the surface make percent of total in plasma membrane:
3. Outermost boundary of all types of cells is:
4. The organelle involved in detoxification of drugs and poisons in liver cells is:
5. Peripheral parts of cell are often like a:
6. Ribosomes are made up of
7. Each centriole is composed of- Microtubules:
8. The structure present in eukaryotic cell but absent in prokaryotic cell is:
9. Starch are present in tubers,fruits and grains but absent in animals cell,instead animals have substance stored in liver and muscle :
10. For synthesis of a disaccharide by condensation. two glucose joined by glycosidic linkage to form:
11. Glycosidic linkage between glucose and fructose is :
12. The glycerol is a _ carbon compound.
13. In an amino acid, in which R group is H, its name will be
14. The view that active site of enzyme is flexible and when a substrate combines with it, it causes change in enzyme structure is known as:
15. Lock and key model for enzyme action proposed by Emil fischer suggests that:
16. Non protein but inorganic detachable co-factor is called:
17. Penicillin blocks the active sites of an enzyme that many bacteria use in making cell wall. It is an example of:
18. If another molecule, having a shape very similar to the enzyme's substrate, binds to its active site, it would then — the enzymes' function:
19. —is transmitted through infected blood and hypodermic syringes:
20. A combination of alpha interferon and ribavirin is used for the treatment of Hepatitis:
21. Mesosomes are the invagination of bacterial cell structure :
22. The nervous system develops from which of the following layer during embryonic development:
23. ----- is a good example of polymorphism:
24. Enteron is the characteristic feature of :
25. Oxidative phosphorylation, synthesis of ATP in the presence of oxygen occurs in:
26. What is the number of carbon atoms in pyruvic acid?
27. Portion of stomach which is present immediately after oesophagus is known as:
28. Which of the following statements is correct about semilunar valves?
29. Which may not be a mode of action of an antibody?
30. The cells which play very important role in developing immunity:
31. Choose the one which is an example of artificial active immunity:
32. The system that drains blood back from the body to the circulatory system is :
33. Which may NOT be a possible action of interferons:
34. In an inflammatory response, bradykinin causes:
35. Bone matrix is hardened by the:
36. All of the following are the characteristics of cartilage except:
37. Which of the following is found at end of long bones, in the nose and larynx and trachea?
38. Ball and socket joint is present at:
39. Which of the following is a muscle component that act as store for energy?
40. Over activity of sympathetic nervous system causes:
41. Which of the following is the effect of sympathetic nervous system?
42. Nissl's granules are groups of:
43. Which type of neurons form brain and spinal cord?
44. In reflex arc the cell body of sensory neurons is located in:
45. Which part of the brain plays a key role in long term memory?
46. A neurological condition characterized by involuntary tremors, diminished motor activity and rigidity is called:
47. Memory loss occurs in which disease?
48. The gonadotrophic hormones of the anterior lobe of pituitary include:
49. Hormones called gonadotropins are secreted by:
50. Second meiotic division in the secondary oocyte proceeds as far as:
51. The process of oogenesis starts at which stage of individual?
52. When both the alleles of a gene pair are same, the organism is said to be:
53. What will be the probability of purple and terminal flower in Pea Plant in F2 generation, if we cross true breeding purple axial flower plant with white terminal flower plant.
54. The main role of mRNA during protein synthesis is to:
55. Which of the following neurons conduct impulses from sensory receptors to CNS:
56. Beside fertilization, the function of fallopian tube is:
57. What is the function of mRNA?
58. What are the phases of the cardiac cycle?
59. What is the function of lymph nodes?
60. What is the function of the AV node?
61. What is the typical resting potential?
62. What is the function of the ear?
63. What does the pancreas produce?
64. What do villi and microvilli do?
65. What does the liver do with excess glucose?
66. What does a low Km indicate?
67. What are allosteric enzymes?
68. What is the transition state?
69. Which gland secretes insulin and glucagon?
70. What helps maintain blood pH?
71. How does the skin help in thermoregulation?
72. What do cytotoxic T cells do?
73. What is the basis for vaccination?
74. What is genotype?
75. What is genetic counseling?
76. What is parthenogenesis?
77. What is double fertilization?
78. What are types of asexual reproduction in plants?
79. What does the diaphragm do during inhalation?
80. What is the junction between a neuron and muscle?
81. What does the musculoskeletal system allow?
Chemistry 45 MCQs
82. Empirical formula is related to molecular formula by:
83. Half atmospheric pressure is:
84. DNA molecule is a double standard, in which two chains of DNA are twisted around each other by:
85. Which of the following is a covalent crystal?
86. When an element occurs in different physical forms it is called:
87. Greatest lattice energy is for:
88. If value of azimuthal quantum number is l then value of m will range from:
89. The maximum number of electrons in a subshell can be calculated by using formula;
90. The shape of an orbital is determined by which quantum number?
91. Which of the following contain sp² hybridization?
92. First law of thermodynamics is represented as:
93. Which of the following required for maximum yield of ammonia through haber's process
94. For which of the following orders of reaction, the rate of reaction is inversely proportional to the concentration?
95. Why fluorine has less electron affinity as compared to bromine?
96. Oxidation number of central metal atom is written in which language?
97. Freon is commonly known as:
98. Identify the correct ascending order of reactivity of alkyl halides:
99. The alkaline hydroxides of bromoethane shown below gives alcohol as the product: CH₃—CH₂—Br → CH₃—CH₂—OH The reagent and the condition used in the reaction is:
100. What is the common name of 1,2,3-propanetriol?
101. Benzene is formed when Na reacts with which of the following?
102. Which one is not the use of acetaldehyde?
103. Which of the following represents the functional group of acid halides?
104. On reacting acetic acid with baking soda, a gas is evolved which turns lime water milky. The gas evolved is:
105. K is called specific rate constant because it is:
106. The empirical formula of a compound is CH₂O. Its molecular mass is 180. The molecular formula is:
107. The number of molecules in 90 g of glucose (C₆H₁₂O₆) is:
108. Which property is true for liquids?
109. Molecular solids consist of:
110. The relation between ΔH and ΔU for ideal gases is:
111. Entropy change for phase transition is:
112. Le Chatelier's principle states:
113. Collision theory requires:
114. For an elementary reaction, the rate law:
115. n in the Nernst equation is:
116. Fuel cells convert:
117. General valence configuration of Group IVA is:
118. General valence configuration of halogens is:
119. Halogenation of alkanes requires:
120. In cis-isomers, similar groups are:
121. The C-F bond is:
122. RMgX + HCHO → (H₃O⁺) gives:
123. The simplest alcohol is:
124. Hydrolysis of ester gives:
125. Nylon is a:
126. Carbonyl oxygen is:
English 9 MCQs
127. Choose the word with incorrect spelling:
128. Spot the error: The man felt his hair flutter and the tissues of his body drew tight as if he were standing at the centre of a vacuum.
129. Spot the error: He came to the hurdles that he remember, over which once he had so easy a victory.
130. Pick the sentence with correct punctuation.
131. He was killed _______ robbers _______ a hatchet.
132. I said to you, "What a nice scenery." (Choose Correct INDIRECT SPEECH)
133. The government announced new ____ policies.
134. What does "eloquent" mean in: "He delivered an eloquent speech that moved the audience."
135. Which sentence correctly uses "with regard to"?
Logical Reasoning 9 MCQs
136. What is the primary cause of flooding?
137. What is the primary cause of darkness during an outage?
138. What does a power failure cause?
139. What does rainfall lead to?
140. Identify the main flaw: "Everyone believes this is true, so it must be true."
141. What comes next: Z, Y, W, T, P, ?
142. What comes next: A, C, F, J, O, ?
143. What is the rule about particular conclusion?
144. If P then Q. Not Q. What follows?
Physics 36 MCQs
145. How much potential drop exists across a closed switch?
146. In a conducting electric wire, the electric current flows due to:
147. The resistance of pure metal increases with:
148. The temperature coefficient of a semiconductor is negative because:
149. Which of the following is the correct definition of variable velocity?
150. If body mass 'm' and velocity 'v', then velocity becomes double. K.E becomes:
151. The horizontal distance travelled by wave during one complete cycle is called:
152. Two transverse travelling waves are presented by these equations. y₁ = A₀sin(Kx−ωt) and y₂ = A₀sin(kx−ωt−Ø). These two waves differ in:
153. While studying charging and discharging a capacitor, RC = Resistance × Capacitance is known as:
154. A charge projected with velocity of 10m/s in a magnetic field of 10T at an angle of 60°. If force exerted on charge is 2.78 × 10⁻¹¹N, then value of charge is:
155. Skin burn, loss of hair, drop in white blood cell and induction of cancer are examples of:
156. Curie is the unit of:
157. Gamma ray camera can observe radiations from the ------- that are concentrated in the organs.
158. A 60 kg man absorbs lethal whole body equivalent dose of 200 rem with RBE factor of 10. Energy absorbed is:
159. Number of quarks are:
160. Which photons carry the most energy?
161. An angular displacement of 90° is equal to:
162. An incompressible fluid flows through a pipe that becomes narrower in one section. The fluid speed increases in that region to maintain:
163. The work done by the gravitational force on an object as it moves from a reference level to a higher point is:
164. The point where the electric field is zero between two opposite charge lies:
165. A capacitor blocks DC but allows AC because:
166. The energy of the hydrogen atom in the ground state is:
167. If the length of a wire is doubled, its resistance becomes:
168. A galvanometer can be converted into an ammeter by connecting:
169. Lenz's law states that the direction of induced current is such that it opposes:
170. A step-up transformer increases voltage because:
171. The unit of magnetic flux is weber. It is also equal to:
172. The magnetic field H (magnetising force) is related to B by:
173. A capacitor in a power supply is used for:
174. Friction is a force that:
175. The radioactive decay law is given by:
176. The moment of inertia of a body depends on:
177. A wheel starts from rest and accelerates uniformly at 2 rad/s² for 4 s. The angular displacement is:
178. A wave travels 200 m in 4 s. Its speed is:
179. The Doppler formula for sound when observer is stationary and source moves towards the observer is:
180. The kinetic energy of a body is quadrupled. The speed is: