| 1 |
Which one is not biotic factor. |
- A. Plants
- B. Animal
- C. Mud
- D. Bacteria
|
| 2 |
An example of endoparasite : |
- A. Mosquitoes
- B. Leech
- C. Lice
- D. Plasmodium
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| 3 |
In the food chain tree.... caterpillar.. robin..hawk....coyote, which is secondary consumer? |
- A. Caterpillar
- B. Robin
- C. Hawk
- D. Coyote
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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 urea and uric acid into Ammonia is called. |
- A. Assimilation
- B. Nitrogen fixation
- C. Ammonification
- D. Biological fixation
|
| 6 |
Which of the following is not an example of green house gas? |
- A. CO<sub>2</sub>
- B. Methane
- C. Oxygen
- D. Nitrous oxide
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| 7 |
Which one of the following is a tertiary consumer: |
- A. Owl
- B. Larwa of butterfly
- C. Deer
- D. Rabbit
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| 8 |
The populations that live in a habitat nad interact with one another are collectively called: |
- A. Biosphere
- B. Ecosystem
- C. Community
- D. Species
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| 9 |
Nitrogen is an important component of: |
- A. Proteins
- B. Nucleic acid
- C. Lipids
- D. Both a and b
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| 10 |
Abiotic component of the ecosystem is: |
- A. Producers
- B. Consumers
- C. Decomposers
- D. Light
|