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Geotropism is...

Geotropism is

A

Growth away from the vector of gravity

B

Growth at right angles to the force of gravity

C

Response to the stimulus of gravity

D

Unequal growth due to gravity.

Text Solution

Verified by Experts

The correct Answer is:
C
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(a) What is (i) phototropism and (ii) geotropism? Given that activity supported by labelled diagrams to show that light and gravity affect the direction of plant growth. (b) Mention the role of the following plant hormones. (i) Auxin (ii) Abscisic acid

Knowledge Check

  • Geotropism was discovered by

    A
    Darwin
    B
    Frank
    C
    Haberlandt
    D
    Gercke.

  • Negative geotropism in horizontle stems is caused by

    A
    accumulation of auxins on the lower side
    B
    accumulation of auxins on the upper side
    C
    cell shrinkage on the lower side
    D
    cell enlargement on the upper side

  • Root shows negative geotropism in:

    A
    Pothos
    B
    Ficus
    C
    Rhizophora
    D
    Grasses

    • Similar Questions

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    Define positive geotropism and negative geotropism. Give one example of each.

    Assertion : When a pot containing a plant is put in an inverted position for a long time, roots move downwards and stem upwards. Reason: This is due to negative geotropism of root and positive geotropism of stem.

    Geotropic response is perceived by

    Geotropic response of root is due to

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