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. |
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 |
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) |
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 |
Question 5
Appeared in Year: 2011
Question MCQ▾
Nitrogen Oxides () consist of: (June NET Paper-2)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
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 |
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. |