Explore topic-wise MCQs in Environmental Science.

This section includes 22 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 does ITCZ stand for corresponding to global wind patterns?

A. Inner Tropospheric Convergence Zone
B. Inter Tropical Convergence Zone
C. Inner Tropical Continental Zone
D. Inter Tropical Continental Zone
Answer» C. Inner Tropical Continental Zone
Discussion
2.

Twinkling of stars is otherwise known as scintillation.

A. True
B. False
Answer» B. False
Discussion
3.

What does the term “overcast” define?

A. Phenomenon of indirect radiation exposure due to scattering
B. Weather when cloud cover is equal to 8 oktas
C. Phenomenon of indirect radiation exposure due to scattering & Weather when cloud cover is equal to 8 oktas
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
4.

Troposphere contains nearly 80% of the atmosphere by mass.

A. True
B. False
Answer» B. False
Discussion
5.

Which type of clouds is found in the highest altitude of the Earth’s atmosphere?

A. Noctilucent
B. Cirrostratus
C. Stratus
D. Cirrus
Answer» B. Cirrostratus
Discussion
6.

In which layer of the ionosphere does the International Space Station orbit?

A. D
B. E
C. F
D. G
Answer» D. G
Discussion
7.

The Earth is still said to be in the “ice age” period.

A. True
B. False
Answer» B. False
Discussion
8.

What is the emissivity of the Earth’s surface?

A. 0.457
B. 0.578
C. 0.135
D. 1.42
Answer» B. 0.578
Discussion
9.

How much of the sun’s radiation energy is absorbed by the greenhouse gases to warm the planet?

A. 75PW
B. 1750GW
C. 1500MW
D. 150TW
Answer» B. 1750GW
Discussion
10.

Ever since the industrial revolution, by how much has the average temperature of the Earth increased?

A. 0.24oC
B. 0.6oC
C. 1.2oC
D. 1.8oC
Answer» C. 1.2oC
Discussion
11.

TROPOSPHERE_CONTAINS_NEARLY_80%_OF_THE_ATMOSPHERE_BY_MASS.?$

A. True
B. False
Answer» B. False
Discussion
12.

Twinkling of stars is otherwise known as scintillation.

A. True
B. False
Answer» B. False
Discussion
13.

What_does_the_term_“overcast”_define?$#

A. Phenomenon of indirect radiation exposure due to scattering
B. Weather when cloud cover is equal to 8 oktas
C. Both the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
14.

What_does_ITCZ_stand_for_corresponding_to_global_wind_patterns?

A. Inner Tropospheric Convergence Zone
B. Inter Tropical Convergence Zone
C. Inner Tropical Continental Zone
D. Inter Tropical Continental Zone
Answer» C. Inner Tropical Continental Zone
Discussion
15.

What is the significance of the ionosphere?

A. Aviation movements
B. High frequency radio transmission
C. Regulates weather
D. All of the mentioned
Answer» C. Regulates weather
Discussion
16.

Which type of clouds is the found in the highest altitude of the Earth’s atmosphere?$

A. Noctilucent
B. Cirrostratus
C. Stratus
D. Cirrus
Answer» B. Cirrostratus
Discussion
17.

In which layer of the ionosphere does the International Space Station orbit?

A. D
B. E
C. F
D. G
Answer» D. G
Discussion
18.

The Earth is still said to be in the “ice age” period.$

A. True
B. False
Answer» B. False
Discussion
19.

What is the emissivity of the Earth’s surface?$

A. 0.457
B. 0.578
C. 0.135
D. 1.42
Answer» B. 0.578
Discussion
20.

How much of the sun’s radiation energy is absorbed by the greenhouse gases to warm the planet?$

A. 75PW
B. 1750GW
C. 1500MW
D. 150TW
Answer» B. 1750GW
Discussion
21.

Ever since the industrial revolution, by how much has the average temperature of the Earth increased?

A. 0.24<sup>o</sup>C
B. 0.6<sup>o</sup>C
C. 1.2<sup>o</sup>C
D. 1.8<sup>o</sup>C
Answer» C. 1.2<sup>o</sup>C
Discussion
22.

What would have been the average temperature of Earth without greenhouse gases?

A. 0<sup>o</sup>C
B. -7<sup>o</sup>C
C. -9<sup>o</sup>C
D. -19<sup>o</sup>C
Answer» E.
Discussion