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Who amongst the following is discoverer ...

Who amongst the following is discoverer of auxin ?
1. Skoog
2. Went
3. Thimann
4. Lavrean

A

Skoog

B

Went

C

Thimann

D

Lavrean

Text Solution

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The correct Answer is:
B
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
  1. IAA was first isolated from 1. Corn germ oil 2. Gibberella 3. Huma...

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  2. Artificial application of auxins like IAA, IBA and NAA to unpollinated...

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  3. Who amongst the following is discoverer of auxin ? 1. Skoog 2. Went...

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  4. "" are sprayed on the cotton fields to defoliate and hence facilita...

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  5. The nature of all gibberellins is

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  6. In a plant the concentration of gibberellins is highest in 1. seeds a...

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  7. Dwarfness can be controlled by treating the plant with

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  8. Hormone that breaks dormancy of seeds/potato tuber is 1. IAA 2. ABA ...

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  9. The first cytokinin was isolated by

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  10. The first natural cytokinin of plants is

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  11. Hormone primarily concern with cell division is 1. Ethylene 2. NAA ...

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  12. Morphogenesis is controlled by an interaction between 1. auxins and ...

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  13. The phenomenon of delay of senescence by cytokinin is known as 1. Ri...

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  14. The hormones which regulate phloem transport are

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  15. Cytokinin synthesis is maximum in

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  16. Name the hormone which stimulates transverse or isodiametric growth

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  17. Major precursor of ethylene production in plants is

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  18. Match the items of column I and column II {:("Column I","Column II")...

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  19. Abscisic acid is mostly found in

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  20. Which one of the following is a natural growth inhibitor ?

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