Thigmotropism is best observed in

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(C) Thigmotropism is the directional growth movement of a plant in response to a touch stimulus.It is most prominently observed in the tendrils of cli

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Tendrils

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(C) Thigmotropism is the directional growth movement of a plant in response to a touch stimulus.It is most prominently observed in the tendrils of climbing plants.When a tendril comes into contact with a solid object (support),the side in contact grows more slowly than the side away from the object,causing the tendril to coil around the support.This adaptation helps the plant climb and gain access to sunlight.

Column $I$ (Precursor/Term)	Column $II$ (Associated Hormone)
$(a)$ Tryptophan	$(i)$ Cytokinin
$(b)$ Mevalonic acid	$(ii)$ Abscisic acid
$(c)$ Kinetin	$(iii)$ Gibberellins
$(d)$ Dormin	$(iv)$ Auxin

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The pigment involved in photomorphogenetic movements is

Match column $I$ with column $II$ and select the correct option:
Column $I$ (Precursor/Term) Column $II$ (Associated Hormone)
$(a)$ Tryptophan $(i)$ Cytokinin
$(b)$ Mevalonic acid $(ii)$ Abscisic acid
$(c)$ Kinetin $(iii)$ Gibberellins
$(d)$ Dormin $(iv)$ Auxin

What causes the movement of leaves in the $Mimosa$ $pudica$ plant?

$I.$ The increased growth per unit time is termed as $A$.
$II.$ Abscisic acid $B$ the stomata.
Choose the correct option and fill in the blanks.

The number of female flowers can be increased by the application of:

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