Question 1

Which of the following does NOT show rich biodiversity?

Accepted Answer

Coconut Plantation

Answer

Coral Reef

Answer

African Jungle

Answer

Tropical Forest

Question 2

Which of the following statements is TRUE?

Accepted Answer

The loss of forest, wetlands, grasslands, and other habitats contributes to loss of biodiversity.

Answer

All habitats have the same number of species.

Answer

Creating parks and zoos is the best way to preserve biodiversity.

Answer

The biological resources of developing countries are a possible source of income.

Question 3

Which term refers to disappearance of species population when last member of species dies?

Accepted Answer

Extinct Species

Answer

Endangered Species

Answer

None of the above

Answer

Threatened Species

Question 4

What is the main cause of extinction in plant and animal species?

Accepted Answer

Destruction of Habitat

Answer

Water Pollution

Answer

Air Pollution

Answer

Global Warming

Question 5

Which of the following is NOT a natural cause of extinction?

Accepted Answer

Introduction of non – native species

Answer

Diseases

Answer

Competition due to overpopulation

Answer

Catastrophic events

Question 6

Which of the following causes the rise of the average temperature of the earth’s atmosphere?

Accepted Answer

Burning fossil fuel

Answer

Dumping garbage

Answer

Dynamite fishing

Answer

Mining

Question 7

Why should people care about the rainforests?

Accepted Answer

All of the above

Answer

Rainforests nurture biodiversity.

Answer

Rainforests are sources of medicines and other chemicals.

Answer

Rainforests are sources of food.

Question 8

Which mechanism of evolution takes place among organisms as suggested by Charles Darwin?

Accepted Answer

Natural selection

Answer

Genetic drift

Answer

Gene flow

Answer

Mutation

Question 9

What term refers to the number of individual species per unit area at a given time?

Accepted Answer

Population density

Answer

Population age structure

Answer

Population demographics

Answer

Population dispersion

Question 10

A grass plot with an area of 4 square inch is occupied by 100 termites. What is the population density?

Accepted Answer

25 termites per square inch

Answer

100 termites per square inch

Answer

0.04 termites per square inch

Answer

0.004 termites per square inch

Question 11

Which term refers to the maximum population size that an environment can support?

Accepted Answer

Carrying capacity

Answer

Biotic potential

Answer

Community

Answer

Biodiversity

Question 12

Which term refers to the maximum reproductive capacity of an organism under optimal environmental conditions?

Accepted Answer

Biotic potential

Answer

Carrying capacity

Answer

Community

Answer

Biodiversity

Question 13

If the population in a given area is doubled, what effect would this have on the resources of the community?

Accepted Answer

Resources of the community will be limited.

Answer

Resources of the community will still be available even if the population is doubled.

Answer

Resources of the community will be enough to sustain the needs of population.

Answer

Increase in population does not affect the resources of community at all.

Question 14

Which of the following describes the number of species of Philippine monkey-eating eagle, Visayan warty pig and tamaraw?

Accepted Answer

Critically endangered

Answer

Extinct

Answer

Threatened

Answer

Vulnerable

Question 15

Which human activities does not support the government’s program in the prevention of extinction among organism?

Accepted Answer

Draining a swamp for agricultural purposes

Answer

Breeding endangered animals in captivity

Answer

Reforestation campaign

Answer

Conserving natural resources

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