Environmental Studies

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

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

A. Dung cakes                               B. Spray of kerosene

Environmental Studies Worksheet-23

1. Which of the following is not an ecosystem?

A. Pond              B. Wetland        C. Cabinet         D. River

2. Slant roofs ___.

A. Collect rain water

B. Collect snow

C. Keep the house hot and warm

D. Do not collect snow and rain water

Environmental Studies Worksheet-24

1. Plants recycle ______ and produce oxygen.

A. Nitrogen                                   B. Carbon dioxide

C. Carbon monoxide                   D. Water

2. Bricks are baked in _____.

A. Kilns                                           B. Furnaces