| 1 |
Abiotic component of ecosystem is: |
- A. Producers
- B. Herbivores
- C. Camivore
- D. Oxygen
|
| 2 |
The base of food chain is always formed by: |
- A. Producers
- B. Consumers
- C. Decomposrs
- D. Heterotrophs
|
| 3 |
Organisms that make their own food with help of sunlight, CO and H<sub>2</sub>O are called. |
- A. Consumers
- B. Producers
- C. Decomposers
- D. Predators
|
| 4 |
The utilization of nitrates by organisms is called. |
- A. Nitrification
- B. Ammonification
- C. Assimilation
- D. Denitrification
|
| 5 |
Example of Ectoparasite is: |
- A. Becteria
- B. Virus
- C. Ascaris
- D. Mosquito
|
| 6 |
it is example of secondary consumer. |
- A. Cattle
- B. Snake
- C. Lion
- D. Frog
|
| 7 |
In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is: |
- A. grass
- B. grasshopper
- C. sparrow
- D. hawk
|
| 8 |
Largest unit of Ecology is. |
- A. Species
- B. Community
- C. Ecosystem
- D. Biosphere
|
| 9 |
The type of symbiotic relationship in which one member get benefit and other is harmed is called. |
- A. Parasitism
- B. Mutualism
- C. Commensalism
- D. Predation
|
| 10 |
Naturally found in graphite and diamond. |
- A. Nitrogen
- B. Oxygen
- C. Hydrogen
- D. Carbon
|
