GENERAL SCIENCE (GENERAL STUDIES) Part-3Total Questions: 5031. Which one of the following is also known as solution?(a) A compound(b) A homogeneous mixture(c) A heterogeneous mixture(d) A suspensionCorrect Answer: (b) A homogeneous mixture32. Which of the following metals burn with a white dazzing light, with oxygen?(a) Sodium(b) Potassium(c) Magnesium(d) AluminiumCorrect Answer: (c) Magnesium33. H₂O (water) is(a) an acidic oxide.(b) a basic oxide.(c) a neutral oxide.(d) an amphoteric oxide.Correct Answer: (c) a neutral oxide.34. Reduction of nitrates to ammonia can be achieved through one of the following methods :(a) in alkaline medium using Devarda’s alloy.(b) in neutral medium using Devarda’s alloy.(c) in acidic medium using Devarda’s alloy.(d) in neutral medium using Cupric oxide.Correct Answer: (a) in alkaline medium using Devarda’s alloy.35. The most affected sulphur containing amino acid by PAN is(a) Cysteine(b) Methonine(c) Proline(d) GlobulineCorrect Answer: (a) Cysteine36. The concept of tissue culture was introduced by(a) Halfmeister(b) Hanstein(c) Haberlandt(d) HanningCorrect Answer: (c) Haberlandt37. Beak is formed by(a) cheeks(b) jaws(c) teeth(d) noneCorrect Answer: (d) none38. Pinna (external ear) is present in(a) Amphibian(b) Fish(c) Mammal(d) ReptileCorrect Answer: (c) Mammal39. Which of the following could be found in both the nucleus and the cytoplasm?(a) Nucleolus(b) Ribosomes(c) RNA(d) Both RNA & ribosomesCorrect Answer: (d) Both RNA & ribosomes40. The exchange of gases (O₂ and CO₂) in a mammal takes place in –(a) Trachea(b) Brochin(c) Bronchiole(d) AlveoliCorrect Answer: (d) AlveoliSubmit Quiz« Previous12345Next »