(a)Name the tropical sugar cane variety grown in South India.How has it helped in improving the sugar cane grown in North India?

CBSE Class 12 CBSE Class 12 Biology
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1

(a)Name the tropical sugar cane variety grown in South India.How has it helped in improving the sugar cane grown in North India?
(b)Identify ‘a’,‘b’,‘c’ in the following table:

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(a) Saccharum officinarum, crossed with, North Indian variety (Saccharum barberi) to increase quality.
(b) 1. Aphids
2.Jassids/aphids/fruit borer.
3.Okra(Bhindi).