Environmental Day grade 6

Greenhouse effect refers to....

• a. Ability of atmosphere to retain water vapor

• b. Ability of certain atmospheric gases to trap heat and keep the planet relatively warm.

• c. Ability of cloud to scatter electromagnetic radiation

• d. Ability of atmospheric conditions to convert into rain.

Effects of global warming are...

• a. Burning of fossil fuels and emission of gases.

• b. Increase in carbon dioxide and greenhouse gases

• c. Heat waves, droughts, and floods.

• d. Shortage of water and food in urban areas.

How does the global warming affect human health?

• a. By increasing allergies and infectious diseases.

• b. By increasing pain in in different organs.

• c. By increasing kidney disease.

• d. By increasing hunger

Which of the following is NOT a natural cause of global warming?

• a. movement of cluster plates

• b. glacial retreat

• c. earth temperature

• d. volcano eruptions

Which is NOT the correct approach to reduce global warming?

• a. Reducing deforestation

• b. Improving efficiency of energy use

• c. Cutting down use of fossil fuels

• d. increasing growth of human population

Cutting of trees on large scale is called....

• a. Deforestation

• b. Afforestation

• c. Reforestation

• d. Forestry

Causes of deforestation is ....

• a. Urbanization

• b. Soil Erosion

• c. Forestry

• d. Commercial logging

The best way to reduce deforestation is by...

• a. Burning forest to create cultivated land

• b. Using more paper

• c. Clearing more area of plants to grow trees.

• d. Burning forest to create cultivated land

Renewable Energy comes from...

• a. Geothermal Energy

• b. Nuclear Energy

• c. Petroleum

• d. Coal

The main cause of wildfire is?

• a. Volcanic activity

• b. Human activity

• c. Lightening

• d. Pollution