Plant Growth Regulators
Plant Growth Regulators: Overview
The topic discusses the plant growth regulators as the small, simple molecules of diverse chemical composition. It also describes the physiological effects of plant growth regulators.
Important Questions on Plant Growth Regulators
The bakanae disease is caused by a bacterium.
Which of the following organisms cause bakanae disease in rice plants?
What is Bakanae disease?
NAA is a synthetic auxin used as a herbicide.
Naphthalene acetic acid is an example of a natural auxin.
What are the functions of naphthalene acetic acid in plants?
Which of the following is a synthetic auxin?
An example of natural gibberellin is 2, 4-dichlorophenoxyacetic acid.
2, 4-dichlorophenoxyacetic acid is used as a fertiliser.
2, 4-dichlorophenoxyacetic acid is a natural auxin.
List out the uses of 2, 4-dichlorophenoxyacetic acid.
Which of the following is a synthetic auxin?
ABA accelerates senescence.
All collective, progressive and deteriorative processes that lead to complete loss of function in plants is called
What is an Ethephon? (Plant hormone/ Animal hormone)
Write some functions of the plant growth hormone 'Ethephon'.
Choose the correct statement.
Ethephon is a major source of:
Cytokinins have specific effects on cytokinesis, and were discovered as kinetin from the autoclaved herring sperm _____ (DNA/RNA/protein).
Plant growth hormones extracted from a fungus and fish are respectively
