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What causes a green plant to bend toward...

What causes a green plant to bend towards light as it grows ?

A

Because green plants need light to carry on photosynthesis.

B

Because green plants are phototropic.

C

Light stimulates plant cells on the lighted side to grow faster.

D

Auxin accumulates on shaded side stimulating greater cell elongation.

Text Solution

Verified by Experts

The correct Answer is:
D
Auxin accumulates on shaded side stimulating greater cell elongation causes a green plant to bend toward light as it grows
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A2Z-PLANT GROWTH AND DEVELOPMENT-Section C : Previous Years' Examination Questions (NEET /AIPMT Questions)
  1. Which one is derivative of a carotenoid

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  2. In signoid growth curve, upper asymptote represents period of

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  3. What causes a green plant to bend towards light as it grows ?

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  4. Artificial ripening of fruits/banana is accomplished by treatment with

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  5. Bending of tentacles of Drosera over the insect is

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  6. Which locomotory movement is not correct

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  7. Which one demonstrates process associated with abscission of a leaf

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  8. Which one the following plant function is not generally governed or co...

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  9. Response of plants due to reversibole turgor change in pulvinus as a r...

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  10. Hormone primarily concern with cell division is

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  11. Leaf fall can be prvented by

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  12. Cytokinins which have specific effect in cytokinesis are modified form...

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  13. One of the commonly used plant growth hormone in tea plantation is

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  14. Impotance of day length ( photoperiodism ) in flowering of plants was ...

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  15. Growth in length is measured with the help of

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  16. Vemalisation occurs in response to

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  17. Some flowers (e.g., Oxalis) open in the morning and close during eveni...

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  18. Parthenocarpic fruits can be produced by application of auxin

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  19. Which wavelengths are the most effective in photoperiodism ?

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  20. Transport of cytokinin in the plant body is

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