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Which is not the effect of ethylene ?...

Which is not the effect of ethylene ?

A

Promotes senescence and abscission of plant organs

B

Breaks seed and bud dormancy

C

Brings about horizontal growth of seedlings

D

Helps to overcome apical dominance

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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. Which of the following is a dicot weedicide

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  2. A few normal seedlings of tomato were kept in a dark room. After few d...

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  3. Which is not the effect of ethylene ?

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  4. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

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  5. In flowering plants, the site of perception of light/dark duration is

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  6. If a plant produces flowers when exposed to alternating periods of 5 h...

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  7. Spraying sugarcane crop with a plant hormone increases length of plant...

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  8. Cells attaining their maximum size in terms of wall thickening and pro...

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  9. During seed germination its stored food is mobilised by

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  10. Movement of tendrils in response to touch is known as

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  11. The phytohormone, which helps in germination of seed is

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  12. Compare the statement A and B. Statement A Ethylene is a gas, which ...

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  13. Hormone replacing the requirement of vernalisation is

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  14. The rosette habit of cabbage can be changed by applicaton of

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  15. Apical dominance is caused by

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  16. Which of the following hormone promotes seed dormancy and bud dormancy...

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  17. A plant hormone used for inducing morphogensis in plant tissue culture...

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  18. The pigment sensitive for red and far-red light is

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  19. Fluorine ring is a feature of

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  20. Cell elongation in internodal regions of the green plants takes place ...

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