| 1 |
A group of organisms of the same species inhabiting a species geographical area ta a particular time is called: |
- A. population
- B. community
- C. ecosystem
- D. species
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| 2 |
The utilization of nitrates by organisms is called. |
- A. Nitrification
- B. Ammonification
- C. Assimilation
- D. Denitrification
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| 3 |
R-3 means. |
- A. Less use
- B. Reuse
- C. Recycle
- D. Refuse
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| 4 |
Which one of the following is not an endoparasite? |
- A. Ascaris
- B. Plasmodium
- C. Mosquito
- D. Entamoeba
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| 5 |
Formation of Nitriates and nit5rates from ammonia is called. |
- A. Nitrification
- B. Ammonification
- C. Denitrification
- D. Assimilation
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| 6 |
An example of endoparasite : |
- A. Mosquitoes
- B. Leech
- C. Lice
- D. Plasmodium
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| 7 |
The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called. |
- A. Commenaslism
- B. Mutualism
- C. Parasitism
- D. Predation
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| 8 |
The type of symbiotic relationship in which one member get benefit and other is harmed is called. |
- A. Parasitism
- B. Mutualism
- C. Commensalism
- D. Predation
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| 9 |
A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs. |
- A. Species
- B. Genus
- C. Family
- D. Population
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| 10 |
Nitrogen is an important component of: |
- A. Proteins
- B. Nucleic acid
- C. Lipids
- D. Both a and b
|