Which of the following is the reason of global warming?

D. Rise in oxygen concentration

Which hemisphere of the Earth is warming at a faster rate?

C. Both are warming at the same rate

Greenhouse Effect is defined as ?

A. The trapping of heat in the Earth's atmosphere

B. The reflection of sunlight by clouds back into space

C. The absorption of oxygen by plants during respiration

D. The depletion of ozone in the stratosphere

What is the result of the Greenhouse effect on global temperature?

C. Increase in global temperature

A. Decrease in global temperature

B. No change in global temperature

C. Increase in global temperature

D. Fluctuation without any trend

Everyday Science · Environment, Weather & Ecology · page 3 of 6

Greenhouse Effect and Global MCQs with Answers

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Greenhouse Effect and Global Warming MCQs (21–30)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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21.
Which of the following is the reason of global warming?
Correct Answer: C. Rise in CO2 concentration
One-liner
Global warming is primarily caused by the rise in CO2 concentration in the atmosphere due to the enhanced greenhouse effect.
22.
Which of the following gases contributes to global warming?
Correct Answer: D. All of these
One-liner
Carbon dioxide, methane, and nitrous oxide are all greenhouse gases that contribute to global warming, so the correct answer is All of these.
23.
Past Paper MCQ
Which hemisphere of the Earth is warming at a faster rate?
Correct Answer: B. Northern Hemisphere
One-liner
The Northern Hemisphere is warming faster than the Southern Hemisphere.
24.
The greenhouse gas that maintains the earth's temperature is ?
Correct Answer: B. Carbon dioxide
One-liner
Carbon dioxide is the primary greenhouse gas that helps maintain the Earth's temperature by trapping heat in the atmosphere.
25.
Which one is called a greenhouse gas?
Correct Answer: C. Water Vapors
One-liner
Water vapors are called a greenhouse gas because they trap heat in the Earth's atmosphere, contributing to the greenhouse effect.
26.
Greenhouse gases absorb _ radiation.
Correct Answer: D. Infrared
One-liner
Greenhouse gases absorb infrared radiation, trapping heat in the Earth's atmosphere.
27.
Greenhouse Effect is defined as ?
Correct Answer: A. The trapping of heat in the Earth's atmosphere
One-liner
The Greenhouse Effect is defined as the trapping of heat in the Earth's atmosphere by greenhouse gases such as carbon dioxide and methane.
28.
Greenhouses are huge structures, made mostly of ?
Correct Answer: C. Glass
One-liner
Greenhouses are huge structures made mostly of glass.
29.
The major factor for climate change is _?
Correct Answer: A. Habitat degradation
One-liner
The major factor for climate change is habitat degradation, which includes deforestation, urbanization, and land-use changes that disrupt natural ecosystems and increase greenhouse gas emissions.
30.
What is the result of the Greenhouse effect on global temperature?
Correct Answer: C. Increase in global temperature
One-liner
The Greenhouse effect results in an increase in global temperature by trapping heat in the Earth's atmosphere.

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Greenhouse Effect and Global MCQs with Answers

Greenhouse Effect and Global Warming MCQs (21–30)

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