DAV Class 3 Science Solution Chapter 4 Importance of plants
DAV School Books Class 3 Science Solution Chapter 4 Importance of plants all Question Answer. DAV Class 3 4th Chapter Importance of plants full Chapter explanation by expert teacher.
DAV School Books Class 3 Science Solution Chapter 4 Importance of plants:
A.) Fill in the blanks
1. Plants are useful to us in many ways
2. Garlic and ginger plants are used to make medicines
3. Plants give out oxygen gas during day time
4. People who cut down trees should be banned
5. All living things need oxygen gas for breathing
B.) Write true or false
1. We must protect plants to survive on the earth- true
2. Fallen leaves can be burnt- true
3. we encourage deforeststion- false
4. only a few of us need to try to increase the number of plants and trres- false
5. Plants give us food only- false
C. Tick the correct answers
1. They are an important gift of nature
Ans: trees
2. Plants give us
Ans: wood
3 Efforts need to be made to protect forests
Ans: fires
D. Answer the following
1) In which forms do we get food from plants
Ans plants give us food in form of fruits, vegetables, pulses ang grains
2. How do plants help the soil
Ans Plants also bind the soil with its root
3. What is deforestation? Is it good or bad for all of us
Ans cutting down of trees is known as deforestation. No it is not good for us
E.) Answer the following questions
1.) list any four uses of plants
Ans
- plants gives us oxygen to breathe
- Helps us to make medicines
- plants also bind the soil with its roots
- increase oxygen in the air
2.) How do plants act as air purifier
Ans Plants increase oxygen in the air, so it acts a purifier in the air
3.) Suggest three ways that can help to conserve plants
Ans: we can conserve plants by
- do not cut trees
- we should promote afforestation instead of deforestation
- Protect forest against fires.
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