Environmental Studies Worksheet-18

Environmental Studies Worksheet-18

1. A series of mountain is called _____.

A. Mountain range                       B. Mountain ridge

C. Range                                        D. Serial mountains

2. Kachcha houses are built with ____.

A. Cement                                     B. Concrete

C. Unbaked bricks                       D. Baked bricks

3. Why are the fossils important?

A. They give us information on plants and animals of the future.

B. They give us information on plants and animals of the past.

C. They give us information about the earth.

D. They give us information about the volcanoes.

4. Fungi and bacteria grow mostly in ____.

A. Subsoil          B. Top soil         C. Bedrock        D. All of these

5. How does petroleum oil look like in its raw form?

A. As a clean, white or blue substance.

B. As a clean, green or blue substance.

C. As a thick, brown or black substance.

D. As a thick, yellow substance.

6. Which of the following state of matter has the strongest force of attraction between its molecules?

A. Solid              B. Liquid            C. Gas                 D. None

7. How is the bridge shown in given figure different from a bamboo bridge?

A. It is used only after the rain, when there is knee-high water everywhere

B. It is not a permanent way to cross water bodies

C. It is made up of bricks and iron rods

D. Only one man can cross it at a time.

8. Now a days, instead of petrol, CNG is being used in city buses to lower down the pollution level. What is the full form of CNG?

A. Condensed natural gas

B. Compressed natural gas

C. Compressed non gasoline

D. Condensed non gasoline.

9. The waste-water is treated to promote which of the following activities?

(i) Promote water activities.

(ii) Provide suitable conditions for aquatic life,

(ii) Prevent spreading of diseases of water,

(iv) Provide water for use in factories.

A. (iii) & (iv)                                  B. (i), (ii), (iii) & (iv)

C. (i) & (iii)                                    D. (ii) & (iv).

10. Which of the following is not a stage of water in the "Water Cycle"?

A. Surface water in ocean          B. Clouds

C. Rain                                          D. Bottle water

Answer Key:

(1)–A; (2)–C; (3)–B; (4)–B; (5)–C; (6)–A; (7)–C; (8)–B; (9)–B; (10)–D