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Bending of shoots towards light is due t...

Bending of shoots towards light is due to:

A

phototaxis

B

Increase in auxin and elongation of cells in shaded area

C

More cells divide on lighted side due to auxin

D

More cells divide on light side due to gibberellins

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-PLANT GROWTH AND DEVELOPMENT-QUESTION BANK
  1. Name the organ that exhibits positive geotropism:

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  2. Response of a plant towards a stimulus results:

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  3. Bending of shoots towards light is due to:

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  4. Opening of a flower and drooping of a bud are examples of:

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  5. The movement in touch-me-not plant induced by touch is:

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  6. Viviparous germination Is found in:

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  7. Germination in which cotyledon and endosperm do not come out of the so...

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  8. Treatment of seed at low temperature under moist conditions to break i...

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  9. In the seed rate of respiration is:

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  10. In which type of germination hypocotyl does not elongate but the plumu...

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  11. Which is not a germination inhibitor

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  12. The method applied to break the dormancy of seeds due to hard seed coa...

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  13. Dormancy in positive photoblastic seeds can be broken by exposing them...

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  14. To make stored food available for germination, with which hormone see...

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  15. The light interruption of the dark period in the long day plant,

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  16. Site of photoperiodic response in plants is:

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  17. The receptor molecule in plants that respond to changes in light is

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  18. Senescence is inhibited by:

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  19. Length of day and night periods that rgulates flowering is:

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  20. Which is a short day plant?

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