GENERAL SCIENCE (GENERAL STUDIES) Part-4Total Questions: 5441. The term ‘brown air’ is used for(a) Photochemical smog(b) Sulfurous smog(c) Industrial smog(d) Acid fumesCorrect Answer: (a) Photochemical smog42. Which of the following is FALSE with respect to rain water harvesting?(a) It helps raising water table(b) It helps meet rising water demand(c) It increases run–off losses(d) It is a device of water conservationCorrect Answer: (c) It increases run–off losses43. Peroxyacetyl nitrate is a(a) Plant hormone(b) Vitamin(c) Secondary pollutant(d) Acidic dyeCorrect Answer: (c) Secondary pollutant44. Which of the following has pH value 7?(a) Pure Water(b) H₂SO₄(c) Sodium Carbonate(d) HClCorrect Answer: (a) Pure Water45. When ice cubes are made, the entropy of water(a) does not change(b) decreases(c) increases(d) may either increase or decrease depending on the process usedCorrect Answer: (b) decreases46. Two vectors are said to be equal if(a) only their magnitudes are same(b) only their directions are same(c) both magnitude and direction are same(d) magnitudes are same but directions are oppositeCorrect Answer: (c) both magnitude and direction are same47. The chemical component that is invariably found in all viruses is(a) proteins(b) lipids(c) DNA(d) RNACorrect Answer: (a) proteins48. Which is used as an Air pollution indicator?(a) Algae(b) Fungi(c) Bacteria(d) LichensCorrect Answer: (d) Lichens49. Which enzyme digests proteins in the stomach?(a) Trypsin(b) Pepsin(c) Salivary amylase(d) Pancreatic canalCorrect Answer: (b) Pepsin50. Fermentation is a type of _____ _______ process.(a) Aerobic Respiration(b) Anaerobic Respiration(c) Exothermic Reaction(d) TranspirationCorrect Answer: (b) Anaerobic RespirationSubmit Quiz« Previous123456Next »
