Environmental Issues

Bihar Board Class 12 · Biology · 33 past questions

10 of 33 · show all

1. Q5 2023

   What causes acid rain ?

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2. Q6 2023

   Decolouration of lead and silver paints is caused due to –

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3. Q8 2022 Set A

   The pH of acid rain is below

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4. Q9 2022 Set A

   Photochemical smog contains

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5. Q11 2022 Set A

   Carbon monoxide is a major pollutant

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6. Q15 2021 Set H

   Indicator of SO$_2$ pollution is

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7. Q20 2018

   Photochemical smog consists of…

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8. Q30 2016

   Causes of acid rain are.

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9. Q31 2016

   Lichen is an indicator of

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10. Q33 2015

    Indicator of SO$_2$ pollution is

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