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Read the following matches (i) Auxins...

Read the following matches
(i) Auxins - Promotes abscission of older mature leaves and fruits
(ii) Gibberellins - Stimulation of internodal growth
(iii) Abscisic acid - Stops cambial activity
(iv) Ethylene-Induces seed & bud dormancy
Which of these are correct

A

(ii) & (iii)

B

(i), (iii) & (iv)

C

(i), (ii) & (iii)

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
C
Ethylene breaks seed and bud dormacy .
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. A long day plant with critical day length of 14 hrs will flower under ...

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  2. Go through the following matches (i) Auxins - Tryptophan (ii) Et...

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  3. Read the following matches (i) Auxins - Promotes abscission of olde...

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  4. Go through the following matches (i) Cytokinis- Inhibits secondary ...

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  5. Go through the following statements (i) The most widely used compoun...

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  6. Go through the following matches (i) Abcisic acid - Delays senesce...

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  7. Go through the following statements (i) In geometr,ic growth, follow...

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  8. Which one of the following statements is not correct regarding· vivipa...

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  9. Which of the following is a correct statement regarding the plant grow...

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  10. Photoperiodism is associated with the formation of

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

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  12. Which one of the following pairs, is not cor- rectly matched ?

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

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  14. One of the synthetic auxin is

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

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  16. Photoperiodism was first characterized in

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

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  18. Phototropic curvature is result of uneven distribution of

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  19. Transport of cytokinin in the plant body is

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  20. Bolting hormone is

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