Q. 85.0( 2 Votes )

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Answer :

(a) The four varieties which have been produced from ‘wild cabbage’ by the process of artificial selection are as follows:


1. Cabbage


2. Broccoli


3. Kale


4. Kohlrabi


(b) The example of an evolutionary change which was produced in an organism for one purpose which later on becomes more useful for a different function is as follows:


The feathers in the birds were first for providing the insulation to the bodies of birds . So, that they can protect themselves during winter but these feathers lead an evolutionary change and it is now used for flight by the birds.


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