Explore topic-wise MCQs in Environmental Science.

This section includes 11 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.

What is the GWP of methane over a time period of 20 years?

A. 86
B. 34
C. 43
D. 67
Answer» B. 34
2.

What does GWP in the context of greenhouse gases indicate?

A. Global Warming Parameters
B. Gradual Warming Pattern
C. Global Warming Patterns
D. Global Warming Potential
Answer» E.
3.

Clouds help in cooling down the planet and do not contribute to greenhouse effect.

A. True
B. False
Answer» C.
4.

What does “airborne fraction” with respect to greenhouse gases indicate?

A. Amount of greenhouse gases that are released into air due to industrial process
B. Proportion of greenhouse gases in air to all the other atmospheric gases
C. Proportion of greenhouse gas emission that remain even after a specified time
D. None of the mentioned
Answer» D. None of the mentioned
5.

Which of the following radiations of the sun do greenhouse gases trap?

A. Visible radiations
B. Infrared radiations
C. UV radiations
D. All the radiations
Answer» C. UV radiations
6.

Which of the following bodies in the solar system has anti-greenhouse effect?

A. Jupiter
B. Mars
C. Titan
D. Venus
Answer» D. Venus
7.

Apart from Earth, which other celestial body(s) exhibits greenhouse gas effect?

A. Venus
B. Mars
C. Titan
D. All of the mentioned
Answer» E.
8.

Which of the following is the largest sink for carbon dioxide gas?

A. Forests
B. Oceans
C. Ice sheets
D. Grasslands
Answer» C. Ice sheets
9.

What does the phrase “anthropogenic CO2 emissions” mean?

A. Human made CO2 emissions
B. Industrial CO2 emissions
C. Natural CO2 emissions
D. All of the mentioned
Answer» B. Industrial CO2 emissions
10.

Which is the most abundant greenhouse gas in the atmosphere?

A. Carbon dioxide
B. Water vapour
C. Methane
D. Nitrogen
Answer» C. Methane
11.

By how much has atmospheric carbon dioxide concentration increased ever since the Industrial Revolution?

A. 20%
B. 10%
C. 40%
D. 60%
Answer» D. 60%