Biology
Match the items in column A with those of column B.
| Column A | Column B |
|---|---|
| (a) Auxin | (i) apical dominance |
| (b) Gibberellin | (ii) cell-division |
| (c) Cytokinin | (iii) fruit ripening |
| (d) Ethylene | (iv) internodal elongation |
Related Questions
Assertion. Auxin is a growth-retarding plant hormone.
Reason. Auxins are mainly synthesized in shoot apical meristems and young leaves.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. Ethylene is the only hormone which is a gas at ordinary temperature.
Reason. It helps in the ripening of fruits and is produced in the roots.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Complete the following sentences:
(a) Growth of root towards water is …………… .
(b) …………… hormone inhibits apical dominance.
(c) …………… and …………… induce chemotropism of angiosperms and gymnosperms.
(d) …………… of sweet peas exhibit thigmotropism.
(e) …………… is also called as "stress hormone".
How is movement in plants different from that in animals?