Pollution of Air and Water-Air Pollution [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 7 of 10
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Question 1
Question MCQ▾
Corrosion of marble of the monuments due to acid rain is called as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Acid rain | |
b. | Yellowing of the marble | |
c. | Marble cancer | |
d. | None of the above |
Question 2
Question MCQ▾
Man-Made resources which lead to air pollution are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Urbanization AND Invention of automobiles | |
b. | Overpopulation, deforestation | |
c. | Industrialization | |
d. | All a., b. and c. are correct |
Question 3
Question MCQ▾
Green House Gases are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Ozone | |
b. | Water Vapours, Methane | |
c. | Carbon dioxide, nitrogen oxide | |
d. | All a., b. and c. are correct |
Question 4
Question MCQ▾
Increasing levels of Green House gases like Co2 are leading to:
Choices
Choice (4) | Response | |
---|---|---|
a. | Global warming | |
b. | Green House effect | |
c. | Air Pollution | |
d. | None of the above |
Question 5
Question MCQ▾
Pollutant used in refrigerators, air conditioners and aerosol sprays is
Choices
Choice (4) | Response | |
---|---|---|
a. | Methane | |
b. | CFC՚s | |
c. | Oxides of nitrogen | |
d. | None of the above |
Question 6
Question MCQ▾
Green House gases create
Choices
Choice (4) | Response | |
---|---|---|
a. | Pollution | |
b. | Acid rain | |
c. | Green House effect | |
d. | Question does not provide sufficient data or is vague |
Question 7
Question MCQ▾
Air pollution is defined as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Contamination of air by impurities | |
b. | Addition of unwanted and harmful substances in the air | |
c. | Question does not provide sufficient data or is vague | |
d. | All of the above |