1 |
Consumers that actively hunt other organism are called. |
- A. Prey
- B. Competitor
- C. Predator
- D. Symbiont
|
2 |
During the combustion of fossil fuel. Which gas is ener the atmosphere. |
- A. Nitrogen
- B. Oxygen
- C. Carbon di oxide
- D. Hydrogen
|
3 |
------------- gas is released when dead organisms are decomposed by the decomposers. |
- A. Oxygen
- B. Carbon dioxide
- C. Nitrogen
- D. Hydrogen
|
4 |
Organism in ecologicla communits interact with one anothe rin....... major ways. |
- A. Two
- B. three
- C. Four
- D. Five
|
5 |
Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called. |
- A. Food Chian
- B. Ecological pyramid
- C. Trophic level
- D. Predation
|
6 |
Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980 |
- A. 100
- B. 200
- C. 300
- D. 400
|
7 |
A symbiotic relationship in whihc both speciesl get benefit is called. |
- A. Commensalism
- B. Hebitate
- C. Mutualism
- D. Symbiosis
|
8 |
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
|
9 |
Which is the solution of environmental problems. |
- A. Reducing pollution
- B. Plantation
- C. Protection of endangered
- D. All these
|
10 |
During respiration by the animals, whihc gas is released into the atmosphere. |
- A. Nitrogen
- B. Oxygen
- C. Carbon Di oxide
- D. Hydrogen
|