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← Bihar Board Class 12 PYQ
Environmental Issues
Bihar Board Class 12 · Biology · 33 past questions
Topic
Air pollution and acid rain
3
Environmental awareness
1
Global warming and greenhouse gases
1
Water pollution and sewage
1
Noise pollution and population
0
Ozone layer and depletion
0
Soil, plants and environmental management
0
Level
Easy
6
Moderate
0
Year
2024
2
2023
5
2022
6
2021
2
2020
2
2019
2
2018
5
2017
3
2016
3
2015
1
6 of 33 ·
show all
Q8
2022 Set A
The pH of acid rain is below
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Q9
2022 Set A
Photochemical smog contains
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Q10
2022 Set A
Which of the following emits methane?
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Q11
2022 Set A
Carbon monoxide is a major pollutant
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Q12
2022 Set A
Which of the following exhibits biomagnification?
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Q13
2022 Set A
Is the most adverse effect of radioactive pollutants a result of.
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