Environmental Chemistry (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 7 of 17

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Question number: 1

» Environmental Chemistry » Water Pollution » Major Pollutants

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MCQ▾

Question

If BOD rives in high, it means that the river is?

Choices

Choice (4) Response

a.

Very much polluted with organic chemicals which are decomposed by micro-organisms

b.

Polluted with pesticides

c.

Not polluted

d.

Very much polluted with inorganic chemicals

Question number: 2

» Environmental Chemistry » Soil Pollution » Major Pollutants

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MCQ▾

Question

Which one of the following pollutants is bio-degradable pollutant?

Choices

Choice (4) Response

a.

Domestic water

b.

Pesticides

c.

Mercuric salts

d.

Lead compounds

Question number: 3

» Environmental Chemistry » Water Pollution » Major Pollutants

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Question

Which statement is not correct?

Choices

Choice (4) Response

a.

is the main air pollutant

b.

All pollutant are not waster

c.

Water is pollutant by dissolved oxygen

d.

Lichens are pollution indicators

Question number: 4

» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur

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MCQ▾

Question

Which one of the following in the main air pollutant?

Choices

Choice (4) Response

a.

b.

S

c.

d.

Question number: 5

» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur

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MCQ▾

Question

The loss or reduction of chlorophyll in the leaves is termed?

Choices

Choice (4) Response

a.

Chlorosis

b.

Epinasty

c.

Necrosis

d.

Lichen

Question number: 6

» Environmental Chemistry » Particulate Pollutants » Dust

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Question

Which of the particulate pollutant come into atmosphere through exhaust gases from automobiles?

Choices

Choice (4) Response

a.

Asbestos dust

b.

Lead salts

c.

Acid dust

d.

Fly ash

Question number: 7

» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention

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MCQ▾

Question

Which one of the following statement is not correct regarding pollution

Choices

Choice (4) Response

a.

Anything put into the environment which was not there in its natural state

b.

The presence of anything in the environment in excess of the required limit

c.

Direct or indirect change in 1 move component of the ecosystem which are not harmful to the living origination

d.

Intentional release of one or more components of chemical substances in environment with harmful effect

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