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Question

Guttman (1957) found a quick increase in the amount of RNA in the nuclei on onion root after .............

A
Auxin treatment
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B
Kinetin treatment
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C
Gibberellin treatment
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D
All of the above
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Solution

The correct option is B Kinetin treatment
Kinetin promotes the synthesis of RNA, proteins, etc., which help in initiation of root, breaking of seed dormancy, etc. In the case of onion root, which underwent kinetin treatment more RNA could be spotted because of this reason.
So the correct answer is 'Kinetin treatment'

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