Start learning →

What is the outermost layer of Earth's atmosphere called?

ATroposphere
BStratosphere
CMesosphere
DExosphere
Answer & Solution
Correct answer: D. Exosphere
The exosphere is the uppermost atmospheric layer that gradually merges into outer space.
Practise this question with Quill — RRB NTPC →

Keep practising World Geography and Environment

Browse all World Geography and Environment questions for RRB NTPC, or explore more General Awareness topics.

Start a World Geography and Environment lesson →