Multiple Choice Questions (MCQs) on ‘Plant Growth and Development’ with answers and Test Reporting, Test No. 1
Plant growth and development: MCQs Quiz - 1
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Coconut milk factor is:
Which one of the followings is a synthetic auxin?
An enzyme that can stimulate germination of barley seeds is
Seed dormancy is due to the:
Importance of day length in flowering of plants was first shown in:
Phototropic curvature is the result of uneven distribution of:
Coiling of garden pea tendrils around any support is an example of:
Natural cytokinins are synthesized in tissues that are:
Storing food material
Which one of the followings is a gaseous plant hormone?
Differentiation of shoot is controlled by:
High auxin : cytokinin ratio
High cytokinin : auxin ratio
High gibberellin : auxin ratio
High gibberellin : cytokinin ratio
Opening of floral buds into flowers, is a type of:
Autonomic movement of variation
Autonomic movement of locomotion
Autonomic movement of growth
Paratonic movement of growth
The annular and spirally thickened conducting elements generally developed in the protoxylem when the root or stem is
Which one of the following acids is a derivative of carotenoids?
Indole butyric acid
Cell elongation in internodal regions of the green plants takes place due to:
Indole acetic acid
Which one of the following pairs, is not correctly matched?
IAA – Cell wall elongation
Abscisic acid – Stomatal closure
Gibberellic acid – Leaf fall
Cytokinin – Cell division
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