| 1 |
Energy of ............ is trapped as chemicla energy by producers. |
- A. Moon
- B. Atom
- C. Sun
- D. Earth
|
| 2 |
Green house gases is |
- A. Carbon di oxide
- B. Methane
- C. Oxides of nitrogen
- D. All these
|
| 3 |
A relationship where two species live together closely is called |
- A. Symbiosis
- B. Predation
- C. Competitor
- D. None of these
|
| 4 |
------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature. |
- A. Waisting of energy
- B. Destroy fo energy
- C. Transfer of energy
- D. Produce of energy
|
| 5 |
The organisms upon whihc a redator feeds are called. |
- A. Prey
- B. Carnivores
- C. Herbivores
- D. Producers
|
| 6 |
Which is the solution of environmental problems. |
- A. Reducing pollution
- B. Plantation
- C. Protection of endangered
- D. All these
|
| 7 |
During the combustion of fossil fuel. Which gas is ener the atmosphere. |
- A. Nitrogen
- B. Oxygen
- C. Carbon di oxide
- D. Hydrogen
|
| 8 |
--------occupy the b ase of pyramid. |
- A. Producers
- B. Primary canivores
- C. Herbivores
- D. Top carnivores
|
| 9 |
Consumers that actively hunt other organism are called. |
- A. Prey
- B. Competitor
- C. Predator
- D. Symbiont
|
| 10 |
Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called. |
- A. Food Chian
- B. Ecological pyramid
- C. Trophic level
- D. Predation
|