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Class 4 Science Chapter 2 Test 3

Welcome to your Class 4 Science Chapter 2 Test 3

1. 
In any food chain the third living thing is a ___________.

2. 
________ are also called rainforests of the ocean.

3. 
Animals produce_______ which is used by plants to make food.

4. 
The series of eating and being eaten in an ecosystem is called __________.

5. 
In any food chain the ________ living thing is herbivores.

6. 
Corals usually live in form of colony which is called ________.

7. 
The animals which eat both plants and animals are called ______

8. 
The animals which eat plants are called ______

9. 
Which of the following shows the correct food chain in an environment?

10. 
In the following food chain Sunlight→Grass→Rabbit→Lion, the relation of loin to rabbit is an example of:

11. 
If the number of the aquatic producers increases in a pond beyond the limit, then fish and other living thing will die due to lack of _________.

12. 
The animals which eat other animals are called _________

13. 
Corals look like stone but actually these are _________.

14. 
The sun is the main source of energy in a/an _______.

15. 
During respiration animals produce ___________.