| 1 |
Ozone is a layer of gases in ............. atmosphere of the Earth. |
- A. Upper
- B. Lower
- C. Middle
- D. Inner
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| 2 |
The energy of the Sun in traped as chemical energy by. |
- A. Tertiary consumers
- B. Primary consumers
- C. Producers
- D. Secondary consumers
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| 3 |
The feeding level of an organism in an ecosystem is called. |
- A. Food Web
- B. Food chain
- C. Trophical level
- D. Secession level
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| 4 |
The phenomenon which doe snot lead to global warming. |
- A. Green hous effect
- B. Ozone depletion
- C. Deforestation
- D. Photosynthesis
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| 5 |
Consumers that actively hunt other organism are called. |
- A. Prey
- B. Competitor
- C. Predator
- D. Symbiont
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| 6 |
The organisms upon whihc a redator feeds are called. |
- A. Prey
- B. Carnivores
- C. Herbivores
- D. Producers
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| 7 |
Which factor is responsible for ecological imbalance. |
- A. Over hunting
- B. Change in water supply
- C. Migration
- D. All these
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| 8 |
--------occupy the b ase of pyramid. |
- A. Producers
- B. Primary canivores
- C. Herbivores
- D. Top carnivores
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| 9 |
The poisonous and harmsful substances which make the air unfavorable for life are called. |
- A. Solid pollutant
- B. Air pollutant
- C. Water pollutant
- D. Acid Rain
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| 10 |
All the food chains are joined together to form ..... |
- A. Food web
- B. Ecologicla pyramid
- C. Tropicla level
- D. None of these
|