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Which one of the following statements is...

Which one of the following statements is true for the phytochromes ?

A

Phytochrome is a phytohormone

B

Phytochrome is a photosynthetic pigment

C

Phytochrome is a pigment that controls growth, photomorphogenesis and development of many plants

D

Phytochrome regulates dark-dependent developmental processes

Text Solution

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The correct Answer is:
C
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
  1. The biological clock measures the length at each night by the

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  2. Pick up the correct match pair.

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  3. Which one of the following statements is true for the phytochromes ?

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  4. The term synergistic action of hormones refers to

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  5. When an unripe banana is sealed in a polythene bag, it reamins green f...

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  6. In the 1940s, Johannes van Overbeek stimulated growth in plant embryos...

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  7. Arrange the following in the manner of decreasing auxin activity

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  8. In the early part of this century, the Danish botanist Peter Boysen-Je...

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  9. Mark the correct statements with respect to growth phases occuring in ...

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  10. Read the following statements given below I. Permanent localised qua...

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  11. Phenyl acetic acid, 2, 4-dichlorophenoxy acetic acid, Ethaphon, Indole...

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  12. Identify the correct matches associated with plant hormones w.r.t. the...

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  13. Identify the correct matches w.r.t. to plant hormones and then bioassa...

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  14. Read the following statements and select the right choice.

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  15. Given below are the accuses of seed dormancy and methods of breaking i...

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  16. How many of the given extrinsic factors affect the growth of plant ? ...

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  17. Which of the following combination is incorrect ?

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  18. Fill in the blanks and select the correct option with respect to growt...

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  19. Which one of the plant growth regulator will we use in following cause...

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  20. The developmental stages in a plant are as follows

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