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You are given a tissue with its potentia...

You are given a tissue with its potential for differentiation in an artificial culture .Which of the following pairs of hormones would you add to the medum to securre shoots as well as roots

A

IAA, and gibberellin

B

Auxin and cytokinin

C

Auxin and abscisic acid

D

Gibberel!in and abscisic acid

Text Solution

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The correct Answer is:
B
When a tissue with a potential of differentiation is grown in an artificial medium containing auxin and cytokinin in a specific ratio, it starts differentiating Thus, root and shoot differemiation occurs. Auxin initiate root formation while cytokinin starts shoot formation
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-Plant Growth and Development -Exercise
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  2. Phytochrome is

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  3. You are given a tissue with its potential for differentiation in an ar...

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  4. Auxin can be bioassayed by

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  5. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

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  6. Which one o f the following plant hormone (phytomone ) Is know as a st...

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  7. A few normal seedlingd of tomato were kept in a dark room. After a few...

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  8. During seed germination, its stored food is mobilised by

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  9. Phototropic curvature is result of uneven distribution of

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  10. Coiling of graden pea tendrils around any support is an example of

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  11. One of the synthetic auxin is

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  12. Which one of the following acids is a derivative of carotenoids?

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  13. Senescence as an active devlopmental cellular process in the growth an...

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  14. Impotance of day length ( photoperiodism ) in flowering of plants was ...

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  15. Opening of floral buds is

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  16. The wavelength of light absorbed by Pr form of phytochrome is

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  17. The hormone which was discovered through ' foolish seedling ' disease ...

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  18. Which one of the following pairs , is not correctly matched

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  19. How does pruning help in making the hedge dense

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  20. An enzyme that can stimulate germination of barley seeds is

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