Air-Primary and Secondary Pollutants [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 7 of 9

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Question 1

Appeared in Year: 2018

Question MCQ▾

The secondary pollutant in the troposphere is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 2

Appeared in Year: 2019

Question MCQ▾

Which of the following is a primary air pollutant? (July)

Choices

Choice (4)Response

a.

Nitrate

b.

Surface ozone

c.

Black carbon

d.

Sulphate

Edit

Question 3

Appeared in Year: 2015

Question MCQ▾

Which of the following statement is incorrect? (December)

Choices

Choice (4)Response

a.

Cadmium is a criteria pollutant

b.

Methyl mercury is most toxic mercury species

c.

Chromium (VI) is highly toxic

d.

Arsenic (III) is more toxic than arsenic (V)

Edit

Question 4

Appeared in Year: 2009

Question MCQ▾

Which radioactive element is considered under Indoor pollutants category? - (December)

Choices

Choice (4)Response

a.

Radon

b.

Carbon 14

c.

N – 13

d.

O – 16

Edit

Question 5

Appeared in Year: 2011

Question MCQ▾

Nitrogen Oxides () consist of: (June NET Paper-2)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 6

Appeared in Year: 2019

Question MCQ▾

Which among the following substances is responsible for global cooling instead of global warming? (July)

Choices

Choice (4)Response

a.

Nitrous oxide

b.

Black Carbon

c.

HCFC

d.

Sulphate aerosols

Edit

Question 7

Appeared in Year: 2021

Question MCQ▾

At STP, 1 ppb SO2 is equivalent to (November)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit