11 Biology- 15 Plant Growth and Development: Online Test
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Ethylene is used for *
2 points
Plasticity in plant growth means that *
2 points
ABA acts antagonistic to *
2 points
The affect of apical dominance can be overcome by which of the following hormone *
2 points
The photoperiod in plants is perceived at *
2 points
Which one of the following generally acts as an antagonist to gibberellins? *
2 points
Vernalisation stimulates flowering in *
2 points
Coiling of garden pea tendril around any support is an example of *
2 points
The synthetic auxin is *
2 points
Which one of the following pairs, is not correctly matched? *
2 points
The 'foolish seedling' disease of rice led to the discovery of *
2 points
An enzyme that can stimulate germination of barley seeds, is
2 points
Clear selection
Cell elongation in the internodal regions of the green plants takes place due to *
2 points
Differentiation of shoot buds is controlled by
2 points
Clear selection
Natural cytokinins are synthesised in the tissues that are *
2 points
Seed dormancy is due to *
2 points
Avena curvature test is a bioassay for examining the activity of *
2 points
Which of the PGRs induces parthenocarpy in tomatoes? *
2 points
Hormone replacing the requirement of vernalisation, is *
2 points
The factor that has less influence on seed germination, is *
2 points
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