Page 128 - EVS Class 04
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C. State whether the following statements are right or wrong .
1. The sweepers collect the garbage from our houses.
2. There are six oceans in the world.
3. We should keep the drinking water covered.
4. Purifiers kill the germs present in water.
5. Atlantic ocean is the largest ocean.
6. We should not reuse the waste materials.
D. Give two examples of each.
1. Terrestrial animals : ______________ ______________
2. Arboreal animals : ______________ ______________
3. Aquatic animals : ______________ ______________
4. Nocturnal animals : ______________ ______________
E. Explain each in two sentences.
1. Boiling:
______________________________________________________________________
______________________________________________________________________
2. Chlorination :
______________________________________________________________________
______________________________________________________________________
3. Filtration:
______________________________________________________________________
______________________________________________________________________
F. Answer the following questions.
1. Describe the organ of taste.
2. Why do birds have different types of beaks?
3. What are three R’s?
4. How do spiders make a web?
5. What is the difference between a physical and a political map?
6. What are the effects of water pollution?
EVS-4
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