2611: What would happen if phytoplankton of an ocean is completely destroyed for some reason?
1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
2612: Consider the following :
1. Black-necked crane
2. Cheetah
3. Flying squirrel
4. Snow leopard
Which of the above are naturally found in India?
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
2613: Write in chronological order"
(i) Man's landing on moon.
(ii) Discovery of radio activity.
(iii) First nuclear explosion.
(iv) Launching of first satellite by India.
(a) (iii), (ii), (iv), (i)
(b) (i), (ii), (iii), (iv)
(c) (iii), (i), (iv), (ii)
(d) (ii), (iii), (i), (iv)
2614: Cristina Kirchner succeeded her husband to become President of a South American country. Which is that country ?
(a) Chile
(b) Colombia
(c) Venezuela
(d) Argentina
2615: Chanakya, was also known as
(a) Bhattasvamin
(b) Rajasekhara
(c) Vishnugupta
(d) Visakhadatta