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Leaf abscission, fruit fall and bud dorm...

Leaf abscission, fruit fall and bud dormancy occurs by:

A

Auxin

B

Cytokinin

C

Gibberellins

D

Abscisic acid

Text Solution

Verified by Experts

The correct Answer is:
D
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MBD PUBLICATION-PLANT GROWTH AND DEVELOPMENT-QUESTION BANK
  1. Growth of lateral branches is promoted by:

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  2. Antiauxin used in picking cotton balls is:

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  3. Leaf abscission, fruit fall and bud dormancy occurs by:

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  4. Which is responsible for synthesis of enzymes in seed germination ?

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  5. Parthenocarpic tomato fruit can be produced by:

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  6. Avena curvature test is a bioassay for examining the activity of:

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  7. Movement in pollen tubes in angiosperms is:

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  8. In sleeping movement in some plants is known as:

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

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  10. Some flowers open during the day time and close at night this is calle...

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  11. Which of the following plant movements is not related to changes in au...

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  12. Phototropic and geotropic movements are linked to:

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  13. Name the organ that exhibits positive geotropism:

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  14. Response of a plant towards a stimulus results:

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  15. Bending of shoots towards light is due to:

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

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

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  18. Viviparous germination Is found in:

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

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

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