Question 1

1. What is global warming?

Accepted Answer

D. The increase in average temperature of the earth

Answer

A. The unwanted condition of the earth

Answer

C. The increase of water level in the ocean

Answer

B. The creation of heat outside the earth

Question 2

2.. Which of the following will help in conserving the ecosystem?

Accepted Answer

D. Protect the forests and bodies of water against harmful activities

Answer

B. Congestion of tourist spots like in Boracay

Answer

C. Encourage political leaders to build structures in farm land

Answer

A. Urbanization of forest land

Question 3

3. In what way do human activities affect nature?

Accepted Answer

A. When they pollute the ecosystem

Answer

C. When they find food for survival

Answer

D. When they reproduce

Answer

B. When they use oxygen to breath

Question 4

4. Water pollution affects the life of fishes in water. Which is NOT an effect of water pollution in their life cycle?

Accepted Answer

B. Fishes have plenty of foods.

Answer

D. Pollution decreases the level of oxygen.

Answer

C. Fishes die due to lack of food.

Answer

A. Some eggs do not survive

Question 5

5. Coral bleaching is the whitening of corals. Which is the effect of coral bleaching?

Accepted Answer

C. Loss of habitat for marine life

Answer

A. Produces more corals

Answer

B. Gives enough oxygen

Answer

D. Provides livable place for marine life

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