Q5 of 43 Page 1

State the economic value of Saccharum officinarum in comparison to S. barberi.

Saccharum officinarum are tropical canes having thicker stems and higher sugar content, whereas S. barberi have poor sugar content.

Saccharum officinarum are grown in south India, but doesn’t grow well in North India. Whereas S. barberi are grown in North India but have poor yield.


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3

Write the chromosomal defect in individuals affected with Klinefelter’s syndrome.

 4

Identify the picture and mention the vegetative part that helps it to propagate.


 6

State the functions of Ribozyme and release factor in protein synthesis respectively.

 7

Write the functions of

(a) cry 1AC gene


(b) RNA interference (RNAi)