Environmental Studies-Workbook-3


This workbook contains worksheets on Environmental Studies for Grade-4 NTSE Olympiad Science students. There are total 2 worksheets with 40+ questions.
Pattern of questions : Multiple Choice Questions…

Environmental Studies Worksheet-22

 

  1. An ecosystem consists of ______ things in an area.

A. living and nonliving                B. consumers

C. decomposers                           D. producers and consumers

 

  1. To protect the house from the influence of weather, it should be coated with ____.

A. Dung cakes                               B. Spray of kerosene

C. Paint                                          D. Mud + straw

 

  1. What is a solar eclipse?

A. An eclipse when there is a solar tide.

B. An eclipse when there is a lunar tide.

C. An eclipse when Moon is between the Earth and the Sun and Moon's shadow falls on the Earth.

D. An eclipse when Earth is between the Moon and the Sun and Earth's shadow falls on the Moon.

 

  1. Conservation of soil can be done by _____.

A. Contour farming                     B. Terrace farming

C. Afforestation                           D. All of these

 

  1. An ecosystem is made up of _____.

A. All the living and non-living things.

B. Only living things.

C. Only non-living things.

D. All the food consuming things.

 

  1. A cube of ice kept on a table melts and become water. On cooling, the water becomes _____.

A. Ice cube                                     B. Ice but not in the shape of a cube

C. Vapour                                       D. Evaporated

 

  1. What information is not mentioned on a railway ticket?

A. Age of the persons travelling         

B. The fare

C. Arrival time

D. Intermediate stoppage.

 

  1. Which of the following does not cause flood?

A. Ocean waves                            B. Heavy rains

C. Melting snow                            D. Breaking dams

 

  1. Which would be the best usage of rainwater?

A. Use it to cook rice

B. Use it to rinse your vegetables

C. Use it to wash your clothes

D. Use it to wash your verandah.

 

  1. Which of the following does not cause weathering in rocks?

A. Temperature changes            B. Magnetic forces

C. Rushing water                         D. Chemicals reactions

 

Answer Key:

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