(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 3 only
Ans: (c)
61. Which of the following vitamins is synthesised in the body by intestinal bacteria?
(a) Vitamin B1
(b) Vitamin B4
(c) Vitamin D
(d) Vitamin K
Ans: (c)
62. Which acid is produced when milk gets sour? [CDS 1990]
(a) Acetic acid
(b) Tartaric acid
(c) Lactic acid
(d) Butyric acid
Ans: (c)
63. Which of the following vitamins can be synthesised by our body?
1) Vitamin B6
2) Vitamin D
3) Vitamin E
4) Vitamin K
(a) 1 and 2
(b) 2 and 3
(c) 2 and 4
(d) 1 and 4
Ans: (c)
64. Two richest known sources of edible protein are [IAS 1992]
(a) meat and eggs
(b) milk and vegetables
(c) soyabean and groundnut
(d) some algae and other micro- organisms
Ans: (c)
65. Which of the following are correctly matched?
1) Haemoglobin - Transport protein
2) Myosin and actin - Contractile proteins
3) Collagen proteins - Structural
4) Gammaglobulins - Protective proteins
(a) 1, 2 and 4
(b) 1, 3 and 4
(c) 1, 2 and 3
(d) 1, 2, 3 and 4
Ans: (d)
66. Which nutrients are most likely to be affected by food processing and storage?
(a) Carbohydrates
(b) Fats
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