Environmental Science MCQ Questions and answers

1

More solar radiation is received at the:

A) Earth B) Top of the atmosphere C) North and south poles D) None of the above

Discuss

Answer & Solution

Answer: Option B

Solution:

More solar radiation is received at the top of the atmosphere.

2

In the northern hemisphere, a solar panel should be placed on the side of the roof facing:

A) East B) West C) North D) South

Discuss

Answer & Solution

Answer: Option D

Solution:

The northern hemisphere, the general rule for solar panel placement is, solar panels should face true south (and in the southern, true north). Usually this is the best direction because solar panels will receive direct light throughout the day.

3

Nitrogen fixing blue green algae is

A) Clostridium B) Rhizobium C) Nostoc D) Nitrosomonas

Discuss

Answer & Solution

Answer: Option C

Solution:

Nitrogen fixing blue green algae is Nostoc.

4

Area X represents

A) coal B) solar C) nuclear D) oil

Discuss

Answer & Solution

Answer: Option A

Solution:

Area X represents coal.

5

A renewable source of energy is

A) Petroleum B) Coal C) Nuclear fuel D) Trees

Discuss

Answer & Solution

Answer: Option D

Solution:

A renewable source of energy is trees.

6

Man made sources of radiation pollution are:

A) mining B) explosion of nuclear weapons C) nuclear fuels and preparation of radioactive isotopes D) all of these

Discuss

Answer & Solution

Answer: Option D

Solution:

All of these

7

Renewable energy resources are mostly based on

A) biomass B) fossil fuels C) nuclear power D) None of the above

Discuss

Answer & Solution

Answer: Option A

Solution:

Renewable energy resources are mostly based on biomass.

8

__________ was developed after World War II.

A) Wind energy B) Solar energy C) Nuclear power D) Thermal power

Discuss

Answer & Solution

Answer: Option C

Solution:

Nuclear power was developed after World War II.

9

The term "Nuclear winter" is associated with

A) Nuclear War B) Nuclear disarmament C) Nuclear weapon testing D) After effect of a nuclear explosion

Discuss

Answer & Solution

Answer: Option D

Solution:

Nuclear winter is a severe and prolonged global climatic cooling effect hypothesized to occur after widespread firestorms following a nuclear war. The hypothesis is based on the fact that such fires can inject soot into the stratosphere, where it can block some direct sunlight from reaching the surface of the Earth.

10

Which of the following group of gases cause photochemical smog?

A) Ozone, PAN and CO B) HC, NO and PAN C) O₂, PAN, and NO₂ D) O₃, PAN and NO₂

Discuss

Answer & Solution

Answer: Option D

Solution:

O₃, PAN and NO₂ cause photochemical smog.

Environmental Science MCQ Questions and answers | EVS MCQ