Q20 of 49 Page 89

What is a GM crop? Name any one such crop which is grown in India.

Crop which has been developed by introducing a new gene from any other source, to obtain the desired character, is called as genetically modified (GM) crop. Bt Cotton is an example of GM crop which is made insect- resistant by introducing a new gene from a bacteria.


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18

Match the column A with the column B























(A)



(B)



(a) Catla



(i) Bottom feeders



(b) Rohu



(ii) Surface feeders



(c) Mrigal



(iii) Middle-zone feeders



(d) Fish farming



(iv) Culture fishery


 19

Fill in the blanks

(a) Pigeon pea is a good source of _______


(b) Berseem is an important ________ crop.


(c) The crops which are grown in rainy season are called ______ crops.


(d) ______ are rich in vitamins.


(e) _____ crop grows in winter season.

 21

List out some useful traits in improved crop?

 22

Why is organic matter important for crop production?