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The wavelength of light absorbed by Pr f...

The wavelength of light absorbed by Pr form of phytochrome is

A

720nm

B

620nm

C

640nm

D

680nm

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The correct Answer is:
D
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
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  2. Photoperiodism is associated with the formation of

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

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

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  5. Foolish Seedling disease of rice led to the discovery of

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  6. Match the items in Columns- I with Column-II and choose the correct op...

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  7. One of the synthetic auxin is 1. GA 2. IBA 3. NAA 4. IAA

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  8. Cytokinins which have specific effect in cytokinesis are modified form...

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  9. Photoperiodism was first characterized in

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  10. Coiling of garden pea tendrils around any support is an example of 1....

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  11. Phototropic curvature is result of uneven distribution of

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  12. Transport of cytokinin in the plant body is

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  13. Bolting hormone is

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  14. Auxanometer is used to measure plant organ

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

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  16. Through their effect on plant growth regiulators, what do the temperat...

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  17. Apical dominance is caused by

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  18. The natural plant hormone isolated from corn kernels and coconut milk ...

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  19. Low temperature treatment to speed up the process of flowering is refe...

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

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