Read each question carefully and encircle only the letter of the correct answer.


1. Which of the following describes an ecosystem with high biodiversity?

A. An ecosystem has a lot of the same organism.

B. An ecosystem having a few of the same organism.

C. An ecosystem only having one of each organism.

D. An ecosystem having a lot of variety of different organisms.

2. Which of the following would NOT likely happen if an ecosystem has low biodiversity?

A. The ecosystem will become more sustainable.

B. Some organisms might survive but will eventually die.

C. The availability of food as a source of energy will become high.

D. Many species might leave the area and look for another habitat.


3. Which of the following does NOT refer to biodiversity?

A. Biodiversity allows the balance of nature.

B. Biodiversity is solely dependent on humans.

C. Biodiversity is the variety of living things in the world.

D. Biodiversity gives continuity to the cycle of life in the wild.


4. Why is biodiversity important to the ecosystem?

A. It creates a disruption in the energy level in the food chain.

B. It helps organism population adapt to ecological changes.

C. It creates dominant organisms to be introduced in the area.

D. It decreases the energy level contained by organisms in the food chain.


5. When we can say that biodiversity has richness and evenness?

A. When it is sustainable.

B. When it is rich in a variety of organism.

C. When it has many species in the area and has a balanced number of organisms.

D. When it has a variety of species of organisms but there is the dominant

population in the area.


6. Which of the following statements is INCORRECT?

A. Biodiversity provides the functioning balance of the ecosystem.

B. Habitat destruction is a major cause of biodiversity loss.

C. Low biodiversity increases food security in an ecosystem.

D. Biodiversity is measured in terms of two components these are the

richness and evenness.


7. What do you think will happen when the life processes of species in the

ecosystem is disrupted?

A. It becomes stable.

B. It becomes sustainable.

C. It becomes high in biodiversity.

D. It becomes low in biodiversity and lesser interaction will happen.


8. Which of the following is an advantage of high biodiversity?

A. It provides a balanced ecosystem.

B. It disrupts the food chain and food web.

C. It increases the effects of climate change.

D. It gives lesser benefits to the environment.

9. Which of the following is the effect of low biodiversity on humans?

A. It has a negligible effect on human in terms of food consumption.

B. It creates an opportunity for relaying to one another for food source.

C. It allows people to conduct breeding of different animals for business.

D. It yields to small populations of organisms resulting to a decrease in the

amount for food consumption.


10. Which of the following refers to the measure of biodiversity in the ecosystem?

A. It is measured in terms of richness.

B It is measured in terms of the kind of species in the ecosystem.

C. It is measured in terms of the kind of interaction among the organisms.

D. It is measured in terms of richness and evenness of organisms in the

ecosystem.

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