Which of the following are reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet?
I. Warm currents are rich in phosphates and nitrates
II. Plankton - the chief fish feed - thrives in these regions
III. The meeting of cold and warm currents allows the water to be well aerated
IV. The epicontinental seas allow sunlight to reach almost to the bottom

A. I and III

B. II and IV

C. I, II and III

D. II, III and IV

Answer: Option D

Solution(By Examveda Team)

The reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet are Plankton - the chief fish feed - thrives in these regions, The meeting of cold and warm currents allows the water to be well aerated and The epicontinental seas allow sunlight to reach almost to the bottom.