Plant Hormone Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Weed killing is done by which chemical?

1. 2,4 Dichlorophenoxyacetic Acid (2,4-D)
2. phenols
3. Indole -3-Acetic Acid(IAA)
4. Ethane

MCQ 2: Bud initiation in shoots in promoted by

1. auxin
2. gibberellins
3. cytokinin
4. ethane

MCQ 3: Bolting of some rosette plants is promoted by

1. ethane
2. gibberellins
3. auxin
4. Cytokinins

MCQ 4: For which of the following IAA stands?

1. Iodine acetic acid
2. initiator acetic acid
3. indole acetic acid
4. iron acetic acid

MCQ 5: Sprouting of potatoes is inhibited by

1. ethane
2. 2,4-Dichlorophenoxyacetic acid
3. cytokinins
4. ethene