Prelims Test Series 2025 HISTORY OPTIONAL COURSES
Office: 011-45090051, 9818333201

INSIGHT UPSC QUIZ

Select Your Subject

GS Geography Physical Geography of World
Q.

A level of atmosphere which is composed partly of electrons and positive ions is called:

Attempted by 1373 Users

51% Marked Correct
Explanation:

ANS. (B) 
Ionosphere is composed partly of electrons and positive ions. It is a region of Earth’s upper atmosphere, from about 60 km to 1,000 km altitude, that is ionized by solar radiation. This layer is also called thermosphere as its temperature rises with height.

Attempted by 6760 Users

90% Marked Correct

More Questions Selected Just For You. Attempt Now!

Select Your Subject