16: Which of the following can be found as pollutants in the drinking water in some parts of India?
1. Arsenic
2. Sorbitol
3. Fluoride
4. Formaldehyde
5. Uranium
Select the correct answer using the codes given below.
(a) 1 and 3 only
(b) 1, 3 and 5 only
(c) 2, 4 and 5 only
(d) 1, 2, 3, 4 and 5
17: The Narimanam oil field is located in:
(a) Mahanadi delta
(b) Krishna delta
(c) Cauvery delta
(d) Godavari delta
18: Which of the following are the public sector undertakings of the Government of India ?
1. Balmer Lawrie and Company Ltd.
2. Dredging Corporation of India
3. Educational Consultants of India Ltd.
Select the correct answer using the code given, below:
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
19: The saliva helps in the digestion of:
(a) Starch
(b) Proteins
(c) Fibres
(d) Fats
20: The function of the liver is to:
(a) Promote digestion of food
(b) Dilute fat
(c) Store glucose as glucogen
(d) None of these