Ecosystem Mcqs

This Set of Multiple choice questions and answers focuses on study of Ecosystem in Biology. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on Ecosystem comprehensively.

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1.
Study of relationship of organisms to their environment is

Ecology

Palaentology

Geology

None of these

2.
All populations within an ecosystem interconnected to one another are known as

Species

Family

Community

Biomes

3.
Major regional ecological community of plants and animals forms

Biosphere

Biomass

Biomes

Bioecosystem

5.
The role a species plays in a community including behavior and influence is

Nichon

Niche

Autecology

Profession

8.
Which statement is true?

Producers are heterotrophic organisms

Consumers are autotrophic organisms

Fungi and bacteria are decomposers

Consumers release chemical elements as ions

9.
Sequence of changes in community and its non-living environment over a period of time is

Niche

Succession

Alterations

Neo-ecology

11.
Lichen and algae form

Climax community

Pioneers community

Initiator community

Seral community

12.
Diverse and stable community at the end of succession is

Climax community

Pioneers community

Top community

Stable community

13.
Secondary succession starts from

A bar rock sand

Clear glacial pool

From remains of previous ecosystem

Fire

14.
Hydrosere is

Secondary succession starting in a pond

Primary succession starting in a pond

Primary succession starting on a dry soil

All of these

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