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The plant hormone used to destroy weeds in a field is:
Which hormone is used to induce immediate stomatal closure in leaves?
What is the site of perception of photoperiod necessary for induction of flowering in plants?
Which of the following PGR is present in coconut milk which is used in tissue culture?
"Foolish seedling" disease of rice led to the discovery of:
Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin
It takes a very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
Which of the following is not an inhibitory substance governing seed dormancy?
The living differentiated cells, that lost the capacity to divide anymore, can regain the capacity of division under certain conditions. This phenomenon is termed as:
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
Seed dormancy is due to:
The maximum growth rate occurs in:
What is necessary for ripening of fruits:
Given below are some statements about plant growth regulators. Which of the following is incorrect?
Cell elongation in internodal regions of the green plants takes place due to:
Who coined the term 'Kinetin'?
Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
Production of cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in plants?
Which hormone promotes internode / petiole elongation in deep water rice?
The gaseous plant growth regulator is used in plants to: