Class 12 Biology · Chapter 13 · Test 3
Population and Greenhouse Effect
40 MCQs
40 questions · 35 min · 40 marks
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Sample questions
The first 5 of 40. Try each one, then tap to see the answer.
Question 1
Absorption and re-emission of heat radiation by the atmosphere is called:
- AGlobal warming
- BOzone depletion
- CAcid rain
- DGreenhouse effect
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Answer: D
Greenhouse gases trap heat radiated from the Earth's surface.
Question 2
According to 2025-2026 climate data, the enhanced greenhouse effect is considered climate injustice for Pakistan because:
- APakistan produces the majority of global greenhouse gases
- BGreenhouse effect only occurs in South Asia
- CPakistan emits less than 1% of global GHGs but suffers extreme warming and floods
- DIndustrialized nations have stopped all carbon emissions
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Answer: C
Pakistan contributes under 1% of global GHG emissions yet ranks among the top 10 most vulnerable countries.
Question 3
Pakistan's last census in 2023 recorded a population of about:
- A241.49 million
- B150 million
- C350 million
- D500 million
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Answer: A
This is according to the Pakistan Bureau of Statistics.
Question 4
Pakistan's population growth rate is recorded at about:
- A2.55% annually
- B0.5%
- C10%
- D5%
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Answer: A
This is an official figure.
Question 5
Pakistan is the ___ most populous country in the world.
- A5th
- B1st
- C10th
- D20th
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Answer: A
It has crossed 250 million according to the UNO.
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