Coiling of garden pea tendrils around any sup | vedclass

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(C) : The growth movement in response to touch,or contact of a foreign body,in plants is called thigmotropism or thigmotropic movement.The stems and t

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thigmotropism

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(C) : The growth movement in response to touch,or contact of a foreign body,in plants is called thigmotropism or thigmotropic movement.The stems and tendrils of the climbers are positively thigmotropic in their response.The coiling of garden pea tendrils around any support is an example of thigmotropism.Thigmonastic (haptonastic) movements are induced by some external stimuli,but they are non-directional. For example,tentacles of $Drosera$ leaf curve and the lamina lobes of $Dionaea$ fold on coming in contact with an insect.

Column-$I$	Column-$II$
$a.$ Ethephon	$(i)$ $GA$
$b.$ Terpene	$(ii)$ Ethylene
$c.$ Zeatin	$(iii)$ Natural auxin
$d.$ $IAA$	$(iv)$ Cytokinin

Column-$I$	Column-$II$
$A$. Cytokinin	$i$. Stimulates closure of stomata
$B$. Ethylene	$ii$. Increases stem length
$C$. Gibberellin	$iii$. Promotes lateral shoot growth
$D$. Abscisic acid	$iv$. Found in large amounts in tissues undergoing senescence

Coiling of garden pea tendrils around any support is an example of

Similar Questions

Match the following (Column-$I$ with Column-$II$):
Column-$I$ Column-$II$
$a.$ Ethephon $(i)$ $GA$
$b.$ Terpene $(ii)$ Ethylene
$c.$ Zeatin $(iii)$ Natural auxin
$d.$ $IAA$ $(iv)$ Cytokinin

Rhizocaline is an additional hormonal substance which is secreted by:

Which one of the following pairs of plant hormones inhibits flowering in some plants?

Which of the following sets is not a natural plant growth regulator?

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