Plant Growth and Development questions
465 published questions with worked solutions.
- Phototropic and geotropic movements are linked to
- Phytohormones are
- The hormone responsible for apical dominance is
- Abscisic acid causes
- Hormone responsible for senescence is
- Typical growth curve in plants is
- Removal of the apical bud results in
- The pineapple, which under natural conditions is difficult to blossom, has been made to produce fruits throughout the year by...
- The *Avena* curvature test is used for the bioassay of
- A plant hormone used for inducing morphogenesis in plant tissue culture is
- In low concentrations, auxins such as 2,4-D are useful in
- Stem elongation takes place in the absence of light due to
- Which hormone is responsible for fruit ripening?
- Cytokinins
- Which one of the following generally acts as an antagonist to gibberellins?
- The twining of tendrils around a support is a good example of
- What causes a green plant exposed to light on only one side to bend toward the source of light as it grows?
- Seed dormancy is due to
- Dwarfness can be controlled by treating the plant with
- A pigment which absorbs red and far-red light is
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