Total Questions: 180 | Time: 2.5 hours | Negative Marking: 0.25 per wrong answer
1. The process of DNA replication occurs in which part of the cell cycle?
2. Which algae is considered a good source of agar?
3. What is the key role of decomposers in an ecosystem?
4. Which of the following best describes the effect of noise pollution on animal behavior?
5. Which part of the plant contains meristematic tissue?
6. What is the primary cause of the extinction of species?
7. Which type of muscle tissue is found in the walls of the stomach?
8. Which bryophyte structure performs water absorption?
9. Which of the following animals has a cartilaginous skeleton?
10. What is the term for the gradual development of life forms from simple to complex organisms over time?
11. C₄ plants reduce photorespiration by:
12. Tobacco mosaic virus affects
13. Which of the following is a significant cause of declining forest cover in Nepal?
14. Which of the following is an example of an X-linked recessive disorder?
15. Which type of epithelial tissue is found in the lining of the digestive tract?
16. Which of the following groups of animals has a three-chambered heart?
17. Which type of epithelial tissue lines the small intestine?
18. Which of the following pollutants is most commonly associated with the depletion of the ozone layer?
19. Which type of epithelial tissue is specialized for filtration?
20. Which of the following is the vector for the transmission of Plasmodium?
21. Which of the following is the most diverse ecosystem in Nepal?
22. The enzyme RuBisCO helps in:
23. What is the main cause of cystic fibrosis?
24. The basic unit of life is?
25. Pleiotropy means:
26. Which part of the frog’s body is responsible for the elimination of waste?
27. In which phase of mitosis do the chromatids separate?
28. Which of the following is a key characteristic of prokaryotic organisms?
29. Which cell type in leaf lacks chloroplast but regulates photosynthesis indirectly?
30. Which type of epithelial tissue is found in the skin?
31. Which of the following is a common risk factor for developing kidney disease?
32. Which of the following refers to an organism with two identical alleles for a gene?
33. Which of the following is true about the cambium layer in plants?
34. Which of the following is a characteristic of all living organisms?
35. Which of the following mechanisms does the immune system use to fight cancer cells?
36. Which type of epithelial tissue is involved in absorption?
37. What is the main function of the spleen in the human body?
38. Which of the following tissues is the main component of skin?
39. Which of the following is responsible for the phototropism response in plants?
40. Which of the following is the main benefit of genetic modification of crops?
41. Which of the following is an example of an animal using camouflage to avoid predators?
42. Which of the following processes is triggered by light in plants?
43. Unicellular non-motile algae is
44. Which of the following is the primary cause of ozone layer depletion?
45. What is the term for the specialized region of the chromosome where spindle fibers attach?
46. Which of the following phyla consists of animals with bilateral symmetry?
47. What is the cause of the genetic disorder Huntington’s disease?
48. Which of the following is the most significant effect of soil pollution?
49. Which virus shows complex symmetry?
50. In which phylum are organisms like starfish and sea urchins classified?
51. Which of the following is an example of incomplete dominance?
52. Which of the following is a characteristic feature of the phylum Echinodermata?
53. Which of the following animals is cold-blooded?
54. What is the function of the human immune system?
55. Which of the following cells in xylem are living at maturity?
56. Which of the following is a function of the human skeletal system?
57. The conservation of which of the following species is essential for maintaining forest ecosystem health in Nepal?
58. Which part of flower is a modified leaf?
59. Which of the following is the most significant effect of aging on the immune system?
60. Which structure in the frog’s digestive system absorbs water and minerals?
61. How does the accumulation of reactive oxygen species (ROS) contribute to the pathophysiology of neurodegenerative diseases like Alzheimer's?
62. Which of the following is true for prokaryotic cells?
63. What is the concept of 'fitness' in evolutionary biology?
64. The direction of food transport in phloem is:
65. What is the primary purpose of meiosis?
66. Which of the following tissues is involved in protection, absorption, and secretion?
67. Which class of Chordates is characterized by the presence of gills throughout life?
68. Maximum transpiration occurs when stomata are:
69. Which of the following describes the role of abscisic acid in plants?
70. Which type of pollution is caused by excess heat in aquatic ecosystems?
71. Heterochromatin is:
72. Which of the following gases is a major contributor to acid rain?
73. Which part of the body is most affected by Parkinson's disease?
74. Which of the following is a major consequence of air pollution?
75. Which structure in an earthworm aids in absorbing water from the soil?
76. Which of the following organs does Plasmodium infect in humans?
77. Which of the following is true about the adaptation of animals to extreme temperatures?
78. Which venation indicates dicot?
79. Which part of the human brain is responsible for controlling voluntary movements?
80. Bryophytes are poikilohydric, which means?
81. Which force keeps a stone moving in a circular path when tied to a string?
82. In an RLC circuit, the phase difference between the total voltage and total current is:
83. Which of the following factors does NOT influence the force experienced by a charged particle in a magnetic field?
84. The time period of SHM depends on:
85. An insect crawls a distance of 4m along north in 10 seconds and then a distance of 3m along east in 5 seconds. The average velocity of the insect is (in m/s)
86. The dimension of impulse are equal to that of
87. Which of the following statements is correct about nuclear energy?
88. Which of the following is true for an induced current?
89. The photoelectric effect provides evidence that light has
90. The reflection of sound waves from a hard surface is known as:
91. If a charge is placed at the origin, the electric potential at a distance r from the charge is given by:
92. Quantity having dimensions M⁰L⁰T⁰ is:
93. Hooke's law is valid up to:
94. Which of the following is the correct expression for Coulomb’s Law?
95. Which of the following is an application of polarization?
96. The energy levels in an atom are quantized, which means:
97. Rolling without slipping condition is:
98. The electric field due to a point charge decreases with:
99. The frequency of SHM is:
100. The velocity of sound in a gas is dependent on which of the following?
101. The relation between torque and angular acceleration is:
102. Unit of specific heat in SI is:
103. A prism produces a spectrum because?
104. In an AC circuit with an inductor, the voltage leads the current by:
105. In a P-type semiconductor, which of the following is the majority charge carrier?
106. To form a real image using a convex lens, the object must be placed?
107. The induced current in a closed loop depends on:
108. In a heating element, the resistance is increased to
109. One mole of an ideal gas at STP occupies
110. Static pressure is:
111. The direction of the electric field at any point in space is:
112. Total internal reflection does not occur when
113. Thermoelectric power generation is efficient when
114. At extreme position of SHM, acceleration is:
115. Which quantity remains constant in SHM (ideal case)?
116. In a tank, liquid level falls faster if:
117. A person can throw a ball a maximum distance d over a ground. What is the maximum vertical height to which he can throw?
118. A bullet is fired into a block. Its K.E. reduces by 50% in penetrating the block through 9cm. What is the total distance penetrated by the bullet?
119. Which device works based on total internal reflection?
120. In the hydrogen atom, the electron transition from n = 2 to n = 1 produces which type of light?
121. In wet and dry bulb hygrometer, wet bulb shows:
122. A thermocouple consists of two wires of different materials. The difference in their behavior is due to
123. The focal length of a lens is related to its power by the formula?
124. During isothermal compression of an ideal gas, the work done on gas is
125. The dielectric constant of a material is defined as the ratio of
126. Which force is responsible for the attraction between objects due to their masses?
127. Magnetic flux is the product of?
128. Which of the following is a fundamental force of nature?
129. The effusion rate of gas is inversely proportional to
130. If the intensity of light is increased in the photoelectric effect,
131. Which of the following is the correct pH range for an acidic solution?
132. Which of the following compounds will undergo polymerization to form polyethylene?
133. Which of the following metals is NOT considered a heavy metal?
134. Which of the following ores is a source of cobalt?
135. What is the atomic number of Neon?
136. Which of the following happens when a gas is cooled at constant pressure?
137. The reaction of water with Na metal forms which of the following products?
138. Which of the following reactions shows the highest oxidation state of oxygen?
139. What is the functional group of an aldehyde?
140. Which of the following compounds is an alkane?
141. Which of the following is true about the reactivity of amines compared to carboxylic acids?
142. What is the main difference between chain isomerism and positional isomerism?
143. Which of the following is the correct name for Cr₂O₃?
144. If the concentration of a product is increased in a reaction at equilibrium, what happens to the equilibrium position?
145. Which of the following is not a property of sodium hydroxide (NaOH)?
146. Which of the following properties of water is essential for its role in regulating temperature in living organisms?
147. Which of the following reactions leads to the formation of a carboxylic acid from an alcohol?
148. Which of these elements has the highest second ionization energy?
149. The work done by an ideal gas in an isochoric process is:
150. Which of the following ions has the electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁶?
151. What is the pH of a 0.1 M H₂SO₄ solution (strong diprotic acid)?
152. How many milliliters of 0.1 M NaOH are required to neutralize 25 mL of 0.2 M HCl?
153. Which of the following is true about the rate of a chemical reaction?
154. The energy of a galvanic cell can be calculated using which equation?
155. Which halogen is most commonly used in water fluoridation?
156. In the molecule H2O, how many sigma bonds are present?
157. Which of the following statements is true for ozone?
158. Which of the following is true about aromatic compounds?
159. Which of the following can increase the solubility of a gas in water?
160. Which of the following compounds is used as a bleaching agent?
161. Which of these is NOT a part of the electrochemical cell?
162. Which of the following molecules has an octahedral molecular geometry?
163. The IUPAC name for the compound CH₃CH₂CHO is:
164. What is the effect of dilution on the normality of an acid or base solution?
165. Which halogen is present in table salt (NaCl)?
166. Which metal is represented by the symbol 'Hg'?
167. Which of the following compounds is an example of an aromatic compound?
168. What is the IUPAC name of the compound C₆H₆O?
169. The main structural component of cell membranes is:
170. Which of the following is a characteristic of haloalkanes?
171. Which of the following is true about nitrogen in its elemental form (N₂)?
172. Sodium reacts with acids to form:
173. Which element has a lower electron affinity than nitrogen?
174. Which of the following molecules exhibits sp^3 hybridization on its central atom?
175. What is the mass of 0.5 moles of ammonia (NH3)?
176. What is the oxidation state of nitrogen in NH₄⁺?
177. What is the boiling point of water at 1 atm pressure?
178. How many electrons are there in a neutral atom of sodium? (Atomic number = 11)
179. How many moles of HCl are needed to neutralize 0.05 moles of NaOH?
180. The compound CH₃CH₂COOH is known as: