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Plants bend towards light because...

Plants bend towards light because

A

they need light for photosynthesis

B

they need light for respiration

C

cells on the shadow side elongate more

D

light attracts them

Text Solution

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The correct Answer is:
C
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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
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  2. Which of the following hormones is used in root formation on stem cutt...

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  3. Plants bend towards light because

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  4. The phenomenon pf apical dominace can be overcome by exogenous applica...

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  5. Which increases in the absence of light?

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  6. The effect of IAA on the synthesis of ethylene is that it

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  7. IAA was first isolated from

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

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  9. Who amongst the following is discoverer of auxin ?

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

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  11. The nature of all gibberellins is

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  12. In a plant the concentration of gibberellins is highest in

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  15. The first cytokinin was isolated by

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  16. The first natural cytokinin of plants is

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  17. Hormone primarily concern with cell division is

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  18. Morphogenesis is controlled by an interaction between

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  19. The phenomenon of delay of senescence by cytokinins is known as

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