Garbage in, garbage out Worksheet-1

Garbage in, garbage out Worksheet-1

Multiple-Choice Question:

1. Which of the following is an air pollutant?

(a) Fertilizer         (b) DDT                (c) Aerosol           (d) Sewage

2. Acid rain is due to:

(a) oxides of sulphur                       (b) oil slick

(c) nuclear power plant wastes     (d) combustion of fossil fuels

3. Among the following, the most harmful non-biodegradable waste is:

(a) Garbage                                      (b) Radioactive waste

(c) Cow dung                                   (d) Plastics

4. An example of a renewable resource is:

(a) Fossil fuels     (b) Water             (c) Clay                (d) Sand

5. Which one of the following is a non-biodegradable waste?

(a) Cow dung      (b) Garbage         (c) Manure          (d) Plastics

6. The gas associated with global warming is:

(a) H₂S                 (b) CH₄                 (c) SO₂                 (d) CO₂

7. In water pollution, industries are said to be the:

(a) point sources                             (b) line sources

(c) area sources                               (d) none of these

8. Which of these is a non-renewable resource?

(a) Forest             (b) Water             (c) Coal                (d) All of these

9. Which of these is biodegradable?

(a) Coke cans      (b) Cow dung      (c) DDT                (d) Polythene

10. A natural phenomenon that becomes harmful due to pollution is:

(a) Greenhouse effect                     (b) Desertification

(c) Ecological balance                     (d) Global warming

Answer Key:

1. (c)
2. (a)
3. (b)
4. (b)
5. (d)
6. (d)
7. (b)
8. (c)
9. (b)
10. (a)