| 1 |
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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| 2 |
The phenomenon which doe snot lead to global warming. |
- A. Green hous effect
- B. Ozone depletion
- C. Deforestation
- D. Photosynthesis
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| 3 |
Green house gases is |
- A. Carbon di oxide
- B. Methane
- C. Oxides of nitrogen
- D. All these
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| 4 |
A symbiotic relationship in whihc both speciesl get benefit is called. |
- A. Commensalism
- B. Hebitate
- C. Mutualism
- D. Symbiosis
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| 5 |
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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| 6 |
Organism in ecologicla communits interact with one anothe rin....... major ways. |
- A. Two
- B. three
- C. Four
- D. Five
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| 7 |
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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| 8 |
A relationship where two species live together closely is called |
- A. Symbiosis
- B. Predation
- C. Competitor
- D. None of these
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| 9 |
Which is the solution of environmental problems. |
- A. Reducing pollution
- B. Plantation
- C. Protection of endangered
- D. All these
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| 10 |
Consumers that actively hunt other organism are called. |
- A. Prey
- B. Competitor
- C. Predator
- D. Symbiont
|