The goal according to roadmap is to reduce sulphur content to …….in petrol and diesel.

(1) 42 per cent

(2) 150 ppm

(3) 50 ppm

(4) 30 per cent

Subtopic:  Air Pollution |
 60%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

To safeguard our water resources, Government of India has passed the

(1) Water (Prevention and Control of Pollution) Act in 1974

(2) Water (Prevention and Control of Pollution) Act in 1981

(3) Water (Prevention and Control of Pollution) Act in 1987

(4) Water (Prevention and Control of Pollution) Act in 1990

Subtopic:  Water Pollution: II | Water Pollution |
 89%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

How much amount of impurities are present in waste water which make it unfit for human use?

(1) 0.01%

(2) 0.1%

(3) 0.2%

(4) 2%

Subtopic:  Water Pollution: I | Water Pollution |
 76%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Biodegradable organic matter of domestic sewage is used as a substrate by

(1) Bacteria and Other microbes

(2) Industries

(3) Lichens

(4) All of these

Subtopic:  Water Pollution: I | Water Pollution |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Algal bloom is due to and results in:

(1) Presence of large amount of nutrients in water

(2) Excessive growth of free floating or planktonic algae

(3) Distinct color to the water bodies

(4) All of these

Subtopic:  Water Pollution: I | Water Pollution |
 89%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statements is wrong?

(1) Algal bloom cause deterioration of the water quality and fish mortality

(2) Some bloom forming algae are extremely toxic to human beings and animals

(3) Sewage discharge causes mortality of fish and other aquatic creatures

(4) Beautiful orange colored flowers have caused havoc in India because of their faster growth

Subtopic:  Water Pollution: I | Water Pollution |
 81%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Water hyacinth

Find the odd one out

(1) Eichhornia crassipes

(2) Introduced in India for their lovely flowers

(3) Have mauve colored flowers

(4) Does not has any characteristic shape

Subtopic:  Water Pollution: I | Water Pollution |
 83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following option is wrong about Water hyacinth?

(1) World's most problematic weed

(2) Terror of Bengal

(3) Grow abundantly in eutrophic water bodies

(4) Maintains a balance in the ecosystem dynamics of the water body

Subtopic:  Water Pollution: I | Water Pollution |
 94%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Sewage has heavy metals

(1) Elements with density greater than 5g /cm3

(2) Elements with density greater than 10g /cm3

(3) Elements with density greater than 15g /cm3

(4) Substances with density greater than 0.3g/cm3

Subtopic:  Water Pollution: I | Water Pollution |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Biomagnification is a well known phenomenon for

(1) Mercury

(2) DDT

(3) Silver

(4) Both A and B

Subtopic:  Water Pollution: I | Water Pollution |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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