| 1 |
Livingof Nitrogen bacteria in the roots nodules of Leguminous plant is an example of : |
- A. Predation
- B. Parasitism
- C. Mutualism
- D. Commensalism
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| 2 |
A community and its biotic components is known as: |
- A. Biosphere
- B. Habitat
- C. Ecosystem
- D. Food web
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| 3 |
Nitrobactor bacteria converts nitrites into: |
- A. nitrogen
- B. nitrates
- C. urea
- D. ammonia
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| 4 |
Abiotic component of ecosystem is: |
- A. Producers
- B. Herbivores
- C. Camivore
- D. Oxygen
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| 5 |
conversion of the nitrogen gas into nitrates is called. |
- A. Denitrification
- B. Nitrogen fixation
- C. Assimilation
- D. Ammonification
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| 6 |
Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are: |
- A. Consumers
- B. Producers
- C. Decomposer
- D. Competitors
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| 7 |
What is tertairy cornivore: |
- A. Deer
- B. Frog
- C. Snake
- D. Lion
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| 8 |
A group of organisms of same species living in a particular area is called. |
- A. Population
- B. Coummunity
- C. Abiotic factor
- D. Ecology
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| 9 |
R-3 means. |
- A. Less use
- B. Reuse
- C. Recycle
- D. Refuse
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| 10 |
A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called. |
- A. Symbiosis
- B. Competition
- C. Predation
- D. Mutualism
|