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Who isolated auxins from tips of coleopt...

Who isolated auxins from tips of coleoptiles of oat seedings?

A

Darwin and Darwin

B

Went

C

Skoog et al.

D

Kurosawa

Text Solution

Verified by Experts

The correct Answer is:
B

Isolation of auxins from tips of coleoptiles of oat seedlings is based upon Avena coleotile curvature test. This experiment was devised by F.W. Went (1926). It is based on the quick polar transport of auxin, downwards in Avena coleoptile. The result will be differential growth and formation of curvature. Degree of curvature is almost proportional to the cocentration of auxin.
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NCERT FINGERTIPS-PLANT GROWTH AND DEVELOPMENT-Plant Growth And Development
  1. Gibberellin was first extracted from

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  2. Which one is paired incorrectly?

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  3. Who isolated auxins from tips of coleoptiles of oat seedings?

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  4. High concentration of auxin is present in

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  5. Which of the following effects of auxins on plants is the basis for th...

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

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  7. Select the correct statements (s) regarding auxins.

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  8. Apical dominance is dicot plants is due to the presence of morein the ...

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  9. The term 'auxin precursor' refers to

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  10. Read the given statements and select the correct option. (i) Darwin ...

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  11. In the process of apical dominance, lateral buds are unable to grow in...

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  12. Decapitation i.e. removal of shoot tips in a plant usually results in

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  13. In tea plantations and hedge making, gardeners trim the plants regular...

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  14. Removal of auxin source demonstrates that leaf abscission is by auxin,...

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  15. The hormone responsible for apical dominance is

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  16. Functions of auxins include

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  17. To get a carpet like grass, lawns are mowed regularly, this is done to

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  18. Arificial application of auxins like IA A, IBA and NA A to unpollinate...

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  19. The term 'antiauxin' refers to

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  20. Which of the following statements regarding gibberellins is incorrect?

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