Explore topic-wise MCQs in Environmental Science.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.

1.

By international convention, which line marks the outermost boundary of the Earth s atmosphere?

A. Space line
B. Boundary line
C. Karman line
D. Astronaut line
Answer» D. Astronaut line
Discussion
2.

Which of the following indicates the correct order of the principal layers of the earth s atmosphere from top to bottom?

A. Troposphere Stratosphere Mesosphere Thermosphere Exosphere
B. Thermosphere Stratosphere Troposphere Mesosphere Exosphere
C. Exosphere Thermosphere Mesosphere Stratosphere Troposphere
D. Exosphere Mesosphere Thermosphere Stratosphere Troposphere
Answer» D. Exosphere Mesosphere Thermosphere Stratosphere Troposphere
Discussion
3.

Roaring forties is the term used to describe which of the following winds?

A. East-to-west air winds in the southern hemisphere
B. West-to east air winds in the northern hemisphere
C. East-to-west air winds in the northern hemisphere
D. West-to-east air winds in the southern hemisphere
Answer» E.
Discussion