NEET Foundation-Zoology-Ecology and Enviroment-Test-1

NEET Foundation-Zoology-Ecology and Enviroment-Test-1

1. Functional unit of nature is

 
 
 
 

2. According to many ecologists the entire biosphere is regarded as

 
 
 
 

3. The two basic categories of the biospere are

 
 
 
 

4. Forest, grassland and desert are examples of

 
 
 
 

5. An aquarium is a

 
 
 
 

6. Physical structure of the ecosystem is due to interaction of

 
 
 
 

7. Identification and enumeration of plant and animal species of an ecosystem is

 
 
 
 

8. Vertical distribution of different species occupying different levels is called

 
 
 
 

9. The basic requirement for any ecosystem to function and sustain is

 
 
 
 

10. Aquaculture pond is a

 
 
 
 

11. In terrestrial ecosystem major producers are

 
 
 
 

12. Primary producers of an aquatic ecosystem are

 
 
 
 

13. Artificial ecosystems are characterised by

 
 
 
 

14. An ecosystem contains

 
 
 
 

15. The following is a logical sequence

 
 
 
 

16. Biological equilibrium is an equilibrium among the

 
 
 
 

17. When man eats fish, which feeds on zooplanktons, which have eaten small plants. The producer in the chain is

 
 
 
 

18. Which one of the following components of ecosystem comes from outside ?

 
 
 
 

19. Which is not a structural aspect of ecosystem?

 
 
 
 

20. The amount of organic matter produced per unit area over a time period by plants during photosynthesis is called