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What would happen if phytoplankton of an ocean is completely destroyed for some reason

2012

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 code given below:

(a)

1 and 2 only

(b)

2 only

(c)

3 only

(d)

1, 2 and 3

Answer:

(a)

Core Books/NCERT

Explanation

The destruction of phytoplankton would adversely affect the ocean’s role as a carbon sink and disrupt marine food chains, but it would not drastically affect the density of ocean water.