Question

How much of Earth’s surface is occupied by oceans?

(a) 90%

(b) 1%

(c) 65%

(d) 70%

I have been asked this question in quiz.

This question is from Ecosystem topic in section Ecosystem of Biology – Class 12

Answer 1

The correct choice is (d) 70%

For explanation: Almost 70% of Earth’s surface is occupied by oceans. An ocean is the largest body of water comprising of much of the planet’s hydrosphere. In all, there are 5 oceans on Earth namely Pacific, Atlantic, Indian, Antarctic, and Arctic oceans.