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Gibberellin was first discovered from a...

Gibberellin was first discovered from a

A

Algae

B

Fungi

C

Bacteria

D

Roots of higher plants

Text Solution

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The correct Answer is:
B
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Gibberellins were first discovered in japan when rice plants were suffering from bakeane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi . (a) Give two functions of this phytohormone (b) which property of gibberellin caused foolish seedling disease in rice ?

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Assertion : Gibberellin was first extracted from fungi. Reason: Gibberella fujikuroi is a fungus.

Gibberellins were first discoverded in fungal genus

MODERN PUBLICATION-PLANT GROWTH AND DEVELOPMENT-COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS (G.ADDITIONAL MULTIPLE CHOICE QUESTIONS: (Choose the correct answer )))
  1. One set of a plant was grown at 12 hours day and 12 hours night period...

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  2. Induction of flowering by low temperature in plants is

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  3. Gibberellins can promote seed germination because of their influence o...

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  4. Opening of floral buds into flowers, is a type of :

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  5. Which one of the following pairs is not correctly matched?

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

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  7. Foolish seedling disease of rice led to the discovery of

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  8. Short day plant is

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  9. A hormone delaying senescence is :

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  10. Intercalary meristem results in

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  11. Gibberellin was first discovered from a

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  12. Morphogenesis in plants is controlled by: (a) Auxins (b) Gibberelli...

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  13. A hormone delaying senescence is :

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  14. Removal of apical (terminal) bud of a flowering plant (or pruning of a...

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  15. Coconut milk (coconut water) is widely used in tissue culture because ...

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  16. Which method out of the following renders the seed coat permeable to w...

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  17. One set of a plant was grown at 12 hours day and 12 hours night period...

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  18. The maximum growth rate occurs in

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

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  20. What is the site of perception of photoperiod necessary for induction ...

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