31. Which of the following pairs is not correctly matched?
(a) Vitamin B – Oranges
(b) Vitamin D – Cod-liver oil
(c) Vitamin E – Wheat germ oil
(d) Vitamin K – Alfalfa
(e) None of the above/More than one of the above
Correct Answer:
(a) Vitamin B Oranges
Explanation:
Oranges are a primary and rich source of Vitamin C. While they may contain some B vitamins, this pairing is the least accurate compared to the others, which are all excellent sources of their respective vitamins.
32. Teflon is a polymer of which of the following monomers?
(a) Tetrafluoroethylene
(b) Vinyl chloride
(c) Chloroprene
(d) Acetylene dichloride
(e) None of the above/More than one of the above
Correct Answer:
(a) Tetrafluoroethylene
Explanation:
Teflon is the brand name for Polytetrafluoroethylene (PTFE), which is a synthetic polymer formed by the polymerization of tetrafluoroethylene monomers.
33. Which of the following is responsible for controlling hereditary characters of the living cells?
(a) Enzyme
(b) Hormone
(c) RNA
(d) DNA
(e) None of the above/More than one of the above
Correct Answer:
(d) DNA
Explanation:
Deoxyribonucleic acid (DNA) is a molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known organisms and many viruses.
34. Which of the following vitamins is known as ergocalciferol ?
(a) Vitamin D2
(b) Vitamin D3
(c) Vitamin B12
(d) Vitamin B6
(e) None of the above/More than one of the above
Correct Answer:
(a) Vitamin D2
Explanation:
Ergocalciferol is specifically known as Vitamin D2 . Since Vitamin D2 is a form of Vitamin D, this is the correct classification.
35. Which of the following pairs is not correctly matched?
(a) Retinol – Xerophthalmia
(b) Tocopherol – Beriberi
(c) Cyanocobalamin – Anaemia
(d) Ergocalciferol- Rickets
(e) None of the above/More than one of the above
Correct Answer:
(b) Tocopherol – Beriberi
Explanation:
Beriberi is a disease caused by a deficiency of Thiamine (Vitamin B1). Tocopherol is Vitamin E. All other pairs correctly match the vitamin with its deficiency disease.
36. Bakelite is formed by the condensation of
(a) Urea and formaldehyde
(b) Phenol and formaldehyde
(c) Phenol and acetaldehyde
(d) Melamine and formaldehyde
(e) None of the above/More than one of the above
Correct Answer:
(b) Phenol and formaldehyde
Explanation:
Bakelite is a thermosetting plastic (a phenol-formaldehyde resin) formed from a condensation reaction of phenol with formaldehyde.
37. Which one of the following is an antibiotic drug?
(a) Quinine
(b) Sulphaguanidine
(c) Chloramphenicol
(d) Aspirin
(e) None of the above/More than one of the above
Correct Answer:
(c) Chloramphenicol
Explanation:
BPSC chose option C as correct answer as option B is Synthetic one and not derived from microorganisms. Both (b) Sulphaguanidine (a sulfa drug) and (c) Chloramphenicol are antibacterial/antibiotic agent. Quinine is antimalarial and Aspirin is an analgesic.
38. Match List-I with List-II…
List-I [Substances] – List-II [Applications]
A. Aspartame – 1. Synthetic rubber
B. Freon – 2. Anti-histamine
C. Neoprene – 3. Artificial Sweetener
D. Benadryl – 4. Refrigerant
(a) 1 3 4 2
(b) 2 4 1 3
(c) 3 4 1 2
(d) 3 1 2 4
(e) None of the above/More than one of the above
Correct Answer:
(c) 3 4 1 2
Explanation:
Aspartame is an artificial sweetener (A-3). Freon is a refrigerant (B-4). Neoprene is a synthetic rubber (C-1). Benadryl (Diphenhydramine) is an anti-histamine (D-2).
39. Insulin is
(a) Fat
(b) Vitamin
(c) Carbohydrate
(d) Protein
(e) None of the above/More than one of the above
Correct Answer:
(d) Protein
Explanation:
Insulin is a peptide hormone, and all peptide hormones are structurally proteins, as they are composed of chains of amino acids.
40. The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is
(a) Hydrogen
(b) Oxygen
(c) Nitrogen
(d) Carbon dioxide
(e) None of the above/More than one of the above
Correct Answer:
(a) Hydrogen
Explanation:
Unsaturated Fat (Vanaspati ghee) is produced by the catalytic hydrogenation of saturated fat (vegetable oils). This process uses hydrogen gas to convert liquid unsaturated fats into solid or semi-solid saturated fats.
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