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(I) World's first cotton hybrid is devel...

(I) World's first cotton hybrid is developed by N.G.P. Rao.
(II) Zhukovsky put forward the concept of mega gene centre for the cultivated species.
(III) C.T Patel developed world's first hybrid of sorghum.
(IV) Vavilov proposed 8 main geographic centres.

A

I, II and III only

B

I and II only

C

II and IV only

D

II, III and IV only

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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