1) A body executes simple harmonic motion. Its acceleration is maximum when: a) Displacement is zero b) Velocity is maximum c) Displacement is maximum d) Kinetic energy is maximum 2) The dimensional formula of force is: a) [MLT-2] b) [ML2 T-1] c) [M2 LT-2] d) [MLT-1] 3) According to Coulomb’s law, the force between two charges varies as: a) 1/r b) 1/r2 c) r d) r2 4) The speed of light is maximum in: a) Air b) Diamond c) Water d) Vacuum 5) A satellite moves in a circular orbit around Earth. What provides the centripetal force? a) Air resistance b) Solar radiation c) Gravitational force d) Magnetic force 6) A transformer works on the principle of: a) Electrostatics b) Magnetic flux leakage c) Mutual induction d) Self-induction 7) The hybridization of carbon in methane (CH₄) is a) sp b) sp2 c) sp3 d) sp3d 8) pH of 10⁻³ M HCl solution is approximately: a) 1 b) 2 c) 3 d) 4 9) Avogadro’s number is: a) 6.022×1020 b) 6.022×1023 c) 6.022×1019 d) 6.022×1025 10) Which of the following is not a colligative property? a) Osmotic pressure b) Boiling point elevation c) Freezing point depression d) Density of solution 11) Diamond is hard, but graphite is soft, mainly due to: a) Presence of impurities b) Different types of bonding c) Presence of water molecules d) Large atomic radius 12) The maximum number of electrons in the n = 3 shell is: a) 8 b) 18 c) 32 d) 14 13) The powerhouse of a cell is: a) Nucleus b) Golgi body c) Mitochondria d) Ribosome 14) The process of conversion of glucose to pyruvate is called: a) Krebs cycle b) Glycolysis c) Fermentation d) Oxidation 15) Which tissue transports water in plants? a) Xylem b) Phloem c) Parenchyma d) Collenchyma 16) The nitrogenous base not found in RNA is: a) Uracil b) Thymine c) Adenine d) Guanine 17) Why do RBCs burst when placed in distilled water? a) Endosmosis b) Exosmosis c) Plasmolysis d) Active transport 18) The organ that produces insulin is: a) Liver b) Thyroid c) Pancreas d) Adrenal gland 19) Which of the following belongs to the kingdom Monera? a) Amoeba b) Bacteria c) Mushroom d) Fern 20) Which of the following is not an operating system? a) Windows b) Linux c) Oracle d) macOS 21) The binary equivalent of decimal 13 is: a) 1010 b) 1101 c) 1110 d) 1001 22) The data structure that works on LIFO principle is: a) Queue b) Stack c) Array d) Tree 23) Which of the following is a relational database language? a) HTML b) SQL c) CSS d) XML 24) The time complexity of linear search in the worst case is: a) O(log n) b) O(n) c) O(n²) d) O(1) 25) Which logic gate gives a HIGH output only when all inputs are HIGH? a) OR b) AND c) NOR d) NAND

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