Tag: plant hormones
Questions Related to plant hormones
Plant hormone causing abscission of leaves, senescence, bud dormancy and inhibition of cell division is
Common inhibitor of germination is
Fruit ripening is promoted by
Hormone responsible for plant and seed dormancy during drought is
On the basis of corelation, find the correct options from columns.
Column I | Column-II | Column III |
---|---|---|
I. Foolish plant | (p) Volatile hormone | (i) Induces dormancy |
II. Induces senescence | (q) GA(r) Zeatin | (ii) Ripen fruits(iii) Usually sterile plant |
Shedding of leaves, flowers and fruits due to change in hormone balance in plants is
Abscisic acid causes
A natural growth regulator is
Match the column I with column II
Column I | Column II | ||
---|---|---|---|
A. | Ethylene | 1. | Pigment |
B. | Cytokinin | 2. | Growth inhibitor |
C. | Phytochrome | 3. | Flowering hormone |
D. | Florigen | 4. | Zeatin |
Leaf fall occurs in a tree when there is increase in concentration of