Pollution of Air and Water [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 6 of 17
Choose Programs:
🎯 465 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 300.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
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▾
Different methods used to purify water are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Use the physical method of removing impurities AND Ultraviolet rays | |
b. | Chlorination | |
c. | Boiling | |
d. | All a., b. and c. are correct |
Question 3
Question MCQ▾
Water treatment plant should be installed in all:
Choices
Choice (4) | Response | |
---|---|---|
a. | Companies | |
b. | Houses | |
c. | Industrial areas | |
d. | Question does not provide sufficient data or is vague |
Question 4
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 5
Question MCQ▾
Water treatment process can be categorized as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Domestic water treatment | |
b. | Industrial water treatment | |
c. | Both a. and b. are correct | |
d. | Question does not provide sufficient data or is vague |
Question 6
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 |