pyq/2012/prelims/99

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.

(A) 1, 2 and 3

(B) 2 only

(C) 3 only

(D) 1 and 2 only