A callus of 5 g dry weight was inoculated on semi-solid medium for growth. The

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A callus of 5 g dry weight was inoculated on semi-solid medium for growth. The dry weight of the
callus was found to increase by 1.5 fold after 10 days of inoculation. The growth index of the
culture is _________

Options:

A . 0.3

B . 0.5

C . 0.7

D . 0.9

Answer: Option B

-NA-

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