Some flowers (e.g., Oxalis) open in the morni | vedclass

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(A) The opening and closing of flowers in response to light intensity is known as photonasty. In $Oxalis$, the flowers open in the morning due to the

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Photonasty

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(A) The opening and closing of flowers in response to light intensity is known as photonasty. In $Oxalis$, the flowers open in the morning due to the presence of light and close in the evening when the light intensity decreases. This is a non-directional movement of plant parts in response to light, which is distinct from phototropism (growth movement towards light) or phototaxis (locomotory movement).

Column-$I$	Column-$II$
$A$. Plant growth promoters	$1$. Auxin
$B$. Plant growth inhibitor	$2$. Gibberellin
	$3$. Abscisic acid
	$4$. Cytokinin

Some flowers $(e.g., Oxalis)$ open in the morning and close during evening because of

Similar Questions

Bending of stem towards light is known as:

Match the following columns:
Column-$I$ Column-$II$
$A$. Plant growth promoters $1$. Auxin
$B$. Plant growth inhibitor $2$. Gibberellin
$3$. Abscisic acid
$4$. Cytokinin

Select the correct matching for $A$ and $B$.

Choose the incorrect pair.

Where are the following hormones synthesized in plants?
$(a)$ $IAA$
$(b)$ Gibberellins
$(c)$ Cytokinins

Tendrils exhibit/twining of tendrils is due to

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