Our Environment and Pollution

The gas that all living things need to stay alive is ____.

• hydrogen

• oxygen

• carbon dioxide

• carbon monoxide

____ refers to cutting trees and ____ refers to planting more trees.

• Deforestation, afforestation

• Deforestation, gardening

• Harvesting, gardening

• Harvesting, afforestation

Identify the type of environmental disturbance shown in the picture below.

• Land pollution

• Water pollution

• Air pollution

• Industrial exhaust

Pick the right cause of air pollution from the list below.

• Littering

• Using pesticides

• Volcanic eruption

• Bathing

Cutting down trees will increase the amount of ____ gas in the atmosphere.

• hydrogen

• oxygen

• nitrogen

• carbon dioxide

Air pollution can cause immediate damage to the following organ in the human body:

• 
• 
• 
• 

Identify the correct statement:

• Planting more trees will cause soil erosion.

• Planting more trees will reduce air pollution.

• Planting more trees will cause water pollution.

• Planting more trees will reduce the occurrence of earth quakes.

Rani bought a bag of rice form a grocer and returned it immediately. Look at the picture and choose the correct reason for return of the rice bag:

• The rice was contaminated with stones

• The rice had worms in it.

• The rice was not cooked.

• The rice was wet and soaked already.

Choose the best way of handling used glass bottles.

• Burning

• Recycling

• Dumping

• Burying

Match the following

• [A-ii, B-iii, C-iv, D-i]

• [A-iv, B-iii, C-ii, D-i]

• [A-iv, B-iii, c-i, D-ii]

• [A-iv, B-ii, C-iii, D-i]