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Richmond-Lang effect is shown by (a) Aux...

Richmond-Lang effect is shown by
(a) Auxins
(b) Sugars
(c) Zeatin
(d) Gibberellin

A

Cytokinin

B

Auxin

C

ABA

D

All the above

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The correct Answer is:
A
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CENGAGE BIOLOGY ENGLISH-PLANT GROWTH AND DEVELOPMENT -Archives
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  3. Which one of the following pairs is not correctly matched?

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

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  8. One of the synthetic auxin is

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

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  10. Phototropic curvature Is the resutt of uneven distribution of

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  11. Importance of day length ( photoperiodism ) in flowering of plants was...

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  12. Coiling of garden pea tendrils around any support is an example

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  13. One of the commonly used plant growth hormone in tea plantations is -

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  14. Root development is promoted by -

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  15. Through their effect on plant growth regulators, what do the temperatu...

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  16. Which one of the following generally acts as an antagonist to gibberel...

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  17. Vernalisation stimulates flowering in -

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  18. During seed germination its stored food is mobilized by

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  19. Which one of the following is not used for exsituplant conservation ?

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  20. Non-albuminous seed is produced in

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