Ecology and Environment-Environmental Issues [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 45 - 50 of 93

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Question 45

Question MCQ▾

Which is more important for water pollution –

Choices

Choice (4)Response

a.

Sound

b.

Salts of arsenic

c.

SO2

d.

Sewage

Edit

Question 46

Question MCQ▾

Photochemical smog was first observed in

Choices

Choice (4)Response

a.

Paris

b.

London

c.

Tokyo

d.

Los Angeles

Edit

Question 47

Question MCQ▾

Which is the greatest air pollutant these days

Choices

Choice (4)Response

a.

Motor vehicles

b.

Animals

c.

Factories

d.

Domestic appliances

Edit

Question 48

Appeared in Year: 1985 (AIIMS)

Question MCQ▾

Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in - [CPMT]

Choices

Choice (4)Response

a.

Stem tips only

b.

Petiole but not in lamina

c.

Leaf tip and leaf margins

d.

Only mid rib in lamina

Edit

Question 49

Appeared in Year: 1979 (AIIMS)

Question MCQ▾

Which will not cause any atmospheric pollution - [CPMT]

Choices

Choice (4)Response

a.

Carbon monoxide

b.

Carbon dioxide

c.

Sulphur dioxide

d.

Hydrogen

Edit

Question 50

Appeared in Year: 2005 (AIIMS)

Question Assertion-Reason▾

Assertion(Ꭺ)

Presently, the global atmosphere is warming up.

Reason(Ꭱ)

The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the earth.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

Edit