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CBSE - Class 9 Science Improvement in Food Resources Worksheet

1.
How do good animal husbandry practices benefit farmers?
2.
How do storage grain losses occur?
3.
Explain any one method of crop production which ensures high yield.
4.
Why are manure and fertilizers used in fields?
5.
What are the benefits of cattle farming?
6.
What are the advantages of inter-cropping and crop rotation?
7.
How do you differentiate between capture fishing, mariculture and aquaculture?
8.
For increasing production, what is common in poultry, fisheries and bee-keeping?
9.
What is genetic manipulation? How is it useful in agricultural practices?

Worksheet Answers

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