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Photoperiodism influences...

Photoperiodism influences

A

seed germination

B

vegetative growth

C

internode elongation

D

All of these

Text Solution

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The correct Answer is:
D
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. Photoperiodism influences

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  2. You are given a tissue with its potential for differentiation in an ar...

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  3. Phytochrome is a

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  4. The Avena curvature is used for bioassay of

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  5. Identify the correct pair of combination (i) Zeatin - adenine deriva...

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  6. Assertion (A). Ethylene induces ripening Reason (R). Ethylene is a g...

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  7. One hormone hastens maturity period in juvenile conifers, a second hor...

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  8. Which of the following statements regarding photoperiodism is false

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  9. One hormone stimulates the closure of stomata and another one influenc...

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  10. Which one is correct for blooming of short day plants

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  11. The hormone which reduces transpiration rate by inducing stomatal clos...

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  12. Which of the following is a dicot weedicide

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

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  14. Which is not the effect of ethylene ?

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

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

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

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

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

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  20. During seed germination its stored food is mobilised by

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

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