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The universal natural auxin of plants is...

The universal natural auxin of plants is

A

1.IBA

B

2.IAA

C

3.NAA

D

4.Citric auxin

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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. Growth hormones function

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  2. What is not true about auxin ?

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  3. The universal natural auxin of plants is

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  4. Transport of auxins is

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  5. Apical dominance is

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  6. Mowing on a grass lawn facilities better maintenance primarily owing t...

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  7. Which of the following hormones is used in root formation on stem cutt...

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  8. Plants bend towards light because

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  9. The phenomenon pf apical dominance can be overcome by exogenous applic...

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  10. Which increases in the absence of light?

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  11. The effect of IAA on the synthesis of ethylene is that it 1. is redu...

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  12. IAA was first isolated from 1. Corn germ oil 2. Gibberella 3. Huma...

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

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

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

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  16. The nature of all gibberellins is

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

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  18. Dwarfness can be controlled by treating the plant with

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

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  20. The first cytokinin was isolated by

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