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General Knowledge (GK)

General Science

Environmental Science

All MCQs

Environmental Science

51.

Which of the following is a decomposer in an ecosystem?

A

B

C

D

52.

What is the term for the gradual process of change in an ecosystem over time?

A

B

C

D

53.

Which biome is characterized by extremely cold temperatures, permafrost, and a lack of trees?

A

B

C

D

54.

What is the term for the process by which one species benefits while the other is harmed in an ecological relationship?

A

B

C

D

55.

Which level of ecological organization includes all the biomes on Earth?

A

B

C

D

56.

What is the term for the variety of different species in a given area?

A

B

C

D

57.

Which of the following biomes is characterized by high temperatures, low rainfall, and cacti as a dominant plant type?

A

B

C

D

58.

What is the term for the total mass of living organisms in a given area?

A

B

C

D

59.

Which type of succession occurs in an area with no previous life, such as a new volcanic island?

A

B

C

D

60.

What is the term for a species that plays a crucial role in maintaining the structure and diversity of an ecosystem?

A

B

C

D