Environmental Studies Worksheet-20

Environmental Studies Worksheet-20


  1. How much of the earth's surface is covered with land?

A. 2/3                 B. 1/4                  C. 3/4                 D. 1/2


  1. Igloos are constructed with ____.

A. Cement, bricks and gravel    B. Baked bricks

C. Mud and straw                        D. Ice


  1. The United States of America and China are on the opposite sides of the Earth. If it is night time in China, what time is it in the United States of America?

A. Morning        B. Evening         C. Night             D. Day


  1. Which of the following activities should not be done to preserve natural resources?

A. Recycle materials such as paper, metals, etc.

B. Use organic manure to maintain the fertility of the soil

C. Use fertilizers and pesticides excessively in farms

D. Fix catalytic converters to motor vehicles


  1. How were the oil and natural gas formed?

A. From the rotting remains of tiny sea creatures that lived millions of years ago.

B. From the rotting remains of birds that lived millions of years ago.

C. From the lava of volcanoes.

D. From the burned rocks and minerals.


  1. Which of the following processes involves a decrease in the inter-molecular force between the molecules?

A. Condensation                           B. Crystallization

C. Evaporation                             D. All of these


  1. What is INCORRECT about the given picture?

A. It is known as Jugad

B. It is a means of low cost transportation in India

C. It is made by using waste material

D. It is registered with Regional Transport Office.


  1. What is a hurricane?

A. A mild storm with swift winds and a few rain drops

B. A violent storm with strong winds and heavy rains

C. A storm with strong show

D. A dust storm


  1. Which of these statements about ice and water is/are true?

(i) Both boil at 100°C.

(ii) Both have same temperature.

(iii) When heated, the ice cubes will directly change to steam.

(iv)Both are different states of water.

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


  1. What is the primary cause of change in the shape of glaciers?

A. Wind force                                B. Earthquake 

C. Temperature change              D. Vegetation


Answer Key:

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