1 |
An organism that actively hunts other organisms is called. |
- A. Prey
- B. Predator
- C. Parasite
- D. Host
|
2 |
it is example of secondary consumer. |
- A. Cattle
- B. Snake
- C. Lion
- D. Frog
|
3 |
Which one of the following is not an endoparasite? |
- A. Ascaris
- B. Plasmodium
- C. Mosquito
- D. Entamoeba
|
4 |
The only source of energy for all ecosystems of the world is. |
- A. Sun
- B. Moon
- C. Plants
- D. Ocean
|
5 |
the type of symbolic association in which partner gets benefits while other is neither benefited nor harmed is called: |
- A. Commensalism
- B. Mutualism
- C. Parasitism
- D. Predation
|
6 |
The major process that brings carbon from atmosphere into living world is: |
- A. Photosynthesis
- B. Respiration
- C. Both a and b
- D. None of these
|
7 |
Which of the following is the abiotic component of an ecosystem? |
- A. producers
- B. Herbivores
- C. Carnivorse
- D. Oxygen
|
8 |
Which form of nitrogen is taken by the producers of the ecosystem? |
- A. Nitrogen gas
- B. Ammonia
- C. Nitrates
- D. Nitrites
|
9 |
Ectoparasite is: |
- A. Ascaris
- B. Amoeba
- C. Plasmodium
- D. Leech
|
10 |
Which is tertiary carnivore. |
- A. Deer
- B. Frog
- C. Snake
- D. Lion
|