3216: Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

(a) Potassium, Manganese, Molybdenum & Calcium
(b) Potassium, Molybdenum, Copper & Calcium
(c) Potassium, Sodium, Magnesium & Calcium
(d) Sodium, Magnesium, Copper & Manganese
3217: Which of the following has/have occurred in India after its liberalization of economic policies in 1991?

1. Share of agriculture in GDP increased enormously.
2. Share of Indias exports in world trade increased.
3. FDI inflows increased.
4. Indias foreign exchange reserves increased enormously.

Select the correct answer using the codes given below :

(a) 1 and 4 only
(b) 2, 3 and 4 only
(c) 2 and 3 only
(d) 1, 2, 3 and 4
3218: Assertion (A):
There was an increase in industrial production during 1999-2000.

Reason (R):
The period witnessed a stable exchange rate and improved business sentiments.

(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
3219: Protective action against harmful household insects and pests can be taken by the use of

(a) Infrasonic waves

(b) Microwaves

(c) Ultrasonic waves

(d) Low frequency radio waves
3220: 300 persons are participating in a meeting, out of which 120 are foreigners, and the rest are Indians. Out of the Indians, there are 110 men who are not judges; 160 are men or judges, and 35 are women judges. There are no foreign judges. How many Indian women attended the meeting?

(a) 55
(b) 60
(c) 45
(d) 35