Introduction of Environmental Science [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 4 of 141

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Question 1

Appeared in Year: 2019

Question MCQ▾

Saturation vapour pressure at a given temperature is 900mbar while it is 600mbar at dew point temperature. What will be the relative humidity? (July)

Choices

Choice (4)Response

a.

76.6%

b.

90%

c.

66.7%

d.

60%

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Question 2

Appeared in Year: 2016

Question Assertion-Reason▾

Assertion(Ꭺ)

Temperature in stratosphere increases with increase in altitude. (July)

Reason(Ꭱ)

Photodissociation of in stratosphere makes the lapse rate positive.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

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Question 3

Question MCQ▾

At a given urban location, the temperature at an elevation of 25 m above ground is . If the inversion conditions prevail and environment lapse rate is per 100m, the temperature at an elevation of 200m will be?

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 4

Appeared in Year: 2016

Question MCQ▾

Which of the following trace atmospheric constituents has no natural source? (September)

Choices

Choice (4)Response

a.

Methyl bromide

b.

Dimethyl sulfide

c.

Carbonyl sulfide

d.

Trichlorofluoromethane

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