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Which one is correct for blooming of sho...

Which one is correct for blooming of short day plants

A

The long dark period is not critical

B

It is affected by interruption of long dark period by brief exposure of light

C

It is not affected by interruption of long dark period by brief exposure of light

D

It is affected if continuous light period is interrupted

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The correct Answer is:
A
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES (MEDICAL ENTRANCES GALLERY )
  1. Which of the following statements regarding photoperiodism is false

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

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

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

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  5. Which of the following is a dicot weedicide

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

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  7. Which is not the effect of ethylene ?

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

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

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

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

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

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  13. During seed germination its stored food is mobilised by

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

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

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

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  17. Hormone replacing the requirement of vernalisation is

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

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  19. Apical dominance is caused by

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

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