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.
2. All populations within an ecosystem interconnected to one another are known as
Species
Family
Community
Biomes
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3. Major regional ecological community of plants and animals forms
Biosphere
Biomass
Biomes
Bioecosystem
4. The actual location or place where an organism lives is
Environment
Biosphere
Biomass
Habitat
5. The role a species plays in a community including behavior and influence is
Nichon
Niche
Autecology
Profession
6. The biosphere covers about
8-10 km
5-10 km
15-30 km
16-20 km
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7. Abiotic components include
Atmosphere
Hydrosphere
Lithosphere
All of these
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8. Which statement is true?
Producers are heterotrophic organisms
Consumers are autotrophic organisms
Fungi and bacteria are decomposers
Consumers release chemical elements as ions
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9. Sequence of changes in community and its non-living environment over a period of time is
Niche
Succession
Alterations
Neo-ecology
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10. Plants growing in xeric conditions are called
Spherophytes
Mesophytes
Xerophytes
Teridophytes
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11. Lichen and algae form
Climax community
Pioneers community
Initiator community
Seral community
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12. Diverse and stable community at the end of succession is
Climax community
Pioneers community
Top community
Stable community
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13. Secondary succession starts from
A bar rock sand
Clear glacial pool
From remains of previous ecosystem
Fire
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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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15. Mosses are
Dermatocarpon
Permellia
Tortula
Both b and c