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The curvature causing stimulus is active...

The curvature causing stimulus is active on the dark side of the coleoptile tip.It was first demonstrated by

A

Fitting

B

Boysen-Jensen

C

Paal

D

Went

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT NEET-PLANT GROWTH AND DEVELOPMENT -CHAPTER EXERCISES ( TAKING IT TOGETHER )
  1. Charles Darwin and his son Francis discovered (around 1880) that a gra...

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  2. Avena coleptile auxin is

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  3. The curvature causing stimulus is active on the dark side of the coleo...

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  4. In decapitated plants, axillary buds are activated because

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  5. Auxin inhibits the growth of

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  6. Apical dominance in higher plants is due to

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  7. Apical dominance is caused when auxin

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  8. The plant growth regulator involved in xylem differentiation is

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  9. The lateral buds are induced to grow when the concentration of cytokin...

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  10. Which of the following effects of auxins on plants is the basis for co...

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  11. Seedless fruits can be developed by treating the unpollinated ovaries ...

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  12. Fruit drop is caused by

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  13. Which hormone plays an important role in the formation of roots?

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  14. Which of the following is the effect of NAA?

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  15. The synthetic hormone used as a weedicide is

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  16. Negative geotropism in horizontle stems is caused by

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  17. High concentration of auxins would

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  18. In a unilaterally illuminated coleoptile tip, the precentage of auxin ...

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  19. The auxin produced in the leaves is transported through the

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  20. Which one prevents premature fall of fruit ?

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