GENERAL SCIENCE (GENERAL STUDIES) Part-4Total Questions: 5431. Animal protein is called first class protein because it is(a) delicious in taste(b) cheaper in the market(c) rich in essential amino acids(d) easily digestibleCorrect Answer: (c) rich in essential amino acids32. It is easy to burst a gas filled balloon with a needle than with a nail. It is because(a) nail exerts more pressure than needle on the balloon(b) needle exerts more pressure than nail on the balloon(c) gas is reactive with the needle(d) nail is more longer than needleCorrect Answer: (b) needle exerts more pressure than nail on the balloon33. The velocity of sound in moist air is more than in dry air because the moist air has(a) less pressure than dry air(b) more pressure than dry air(c) more density than dry air(d) less density than dry airCorrect Answer: (c) more density than dry air34. X–rays can be used(a) to detect heart diseases.(b) to detect defects in precious stones and diamonds.(c) to detect gold under the earth.(d) for cutting and welding of metals.Correct Answer: (b) to detect defects in precious stones and diamonds.35. Ice is packed in saw dust because(a) saw dust is poor conductor of heat.(b) saw dust is a good conductor of heat.(c) saw dust does not stick to the ice.(d) saw dust will not get melted easily.Correct Answer: (a) saw dust is poor conductor of heat.36. What happens when a drop of glycerol is added to crushed KMnO₄ spread of a paper ?(a) There is a violent explosion(b) There is no reaction(c) The paper ignites(d) There is a crackling soundCorrect Answer: (a) There is a violent explosion37. Most commonly used bleaching agent is(a) Alcohol(b) Carbon dioxide(c) Chlorine(d) Sodium chlorideCorrect Answer: (c) Chlorine38. The least penetrating power ray is(a) α–Ray (b) β–Ray(c) γ–Ray (d) X–RayCorrect Answer: (a) α–Ray 39. Hydrogen peroxide is an effective sterilizing agent. Which one of the following product results when it readily loses active oxygen ?(a) Water(b) Hydrogen(c) Ozone(d) Nasant HydrogenCorrect Answer: (a) Water40. The maximum fixation of solar energy is done by(a) Bacteria(b) Fungi(c) Green plants(d) ProtozoaCorrect Answer: (c) Green plantsSubmit Quiz« Previous123456Next »