| 1 |
Which Charles Eiton developed the concept of ecological pyramids? |
- A. 1926
- B. 1927
- C. 1928
- D. 1929
|
| 2 |
A relationship between species in which both species benefit is called. |
- A. Parasitism
- B. Mutualism
- C. Symbiosis
- D. Commensalism
|
| 3 |
Biosphere surrounding the Earth is about. |
- A. 17 KM
- B. 18 KM
- C. 19 KM
- D. 20 KM
|
| 4 |
Conversion of urea and uric acid into Ammonia is called. |
- A. Assimilation
- B. Nitrogen fixation
- C. Ammonification
- D. Biological fixation
|
| 5 |
Which form of nitrogen is taken by the producers of the ecosystem? |
- A. Nitrogen gas
- B. Ammonia
- C. Nitrates
- D. Nitrites
|
| 6 |
A group of organisms of same species living in a particular area is called. |
- A. Population
- B. Coummunity
- C. Abiotic factor
- D. Ecology
|
| 7 |
The consumers that eat animal flesh as well as plants and plant products are called. |
- A. Herbivores
- B. Carnivores
- C. Omnivores
- D. Insectivores
|
| 8 |
Formation of Nitriates and nit5rates from ammonia is called. |
- A. Nitrification
- B. Ammonification
- C. Denitrification
- D. Assimilation
|
| 9 |
The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called. |
- A. Commenaslism
- B. Mutualism
- C. Parasitism
- D. Predation
|
| 10 |
Which one of the following is tertiary consumer. |
- A. Owl
- B. Larva of burtterfly
- C. Deer
- D. Rabbit
|