Opening of flower is an example of
- ASpontaneous movement
- BHyponastic movement
- CEpinastic movement
- DCleistogamous movement
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Similar Questions
Which one of the following pairs of plant hormones inhibits flowering in some plants?
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
| 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 |
Read the following statements regarding $\text{PGRs}$:
$A.$ Ethylene also promotes root growth and root hair formation.
$B.$ Natural cytokinins are synthesized in regions where rapid cell division occurs.
$C.$ $2,4-D$,widely used to kill monocotyledonous weeds,does not affect mature dicotyledonous plants.
$A.$ Ethylene also promotes root growth and root hair formation.
$B.$ Natural cytokinins are synthesized in regions where rapid cell division occurs.
$C.$ $2,4-D$,widely used to kill monocotyledonous weeds,does not affect mature dicotyledonous plants.
Medium
View SolutionCoiling of garden pea tendrils around any support is an example of
MediumAIPMT 1995
View SolutionPhytohormones responsible for cell division in callus are . . . . . . and . . . . . . .
Medium
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