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Which of the following statements are co...

Which of the following statements are correct?
1.Gibberellins can substitute light treat- ment
2. Gibberellins increase the yield of malt from barley grains in the brewing industry
3. Gibberellins favour flowering in long day plants
4. Gibberellins induce flowering in short day plants
Select the correct answer using the codes given below

A

1, 2, 3 and 4

B

2 and 4

C

1 , 3 and 4

D

1 , 2 and 3

Text Solution

Verified by Experts

The correct Answer is:
D
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. Tendrils exhibit/twining of tendrils is due to

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  2. Plants normally flowering in winter remain vegetative in summer even i...

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  3. Which of the following statements are correct? 1.Gibberellins can su...

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  4. The shoot branching depends upon the development of axillary buds but ...

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  5. Consider the following statements 1. In climacteric fruits, ethylene...

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  6. Which one does not exhibit seed dormancy ?

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  7. Which of the following plant hormones is correctly matched with its fu...

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  8. A long day plant with critical day length of 14 hrs will flower under ...

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

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

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

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

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

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

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

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

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  17. Photoperiodism is associated with the formation of

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

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

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

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