Leaves of the sensitive plant move very quickly in response to ‘touch’. How is this stimulus of touch communicated and explain how the movement takes place?
Assertion (A): Xylem tissue moves water and minerals obtained from the soil by the roots. Reason (R): Xylem tissue is found only in the roots of a plant.
Name the plant hormone which is synthesized at the shoot tip. How does this hormone help the plant to bend towards light?
Write the name of a hormone that plays a major role in (i) falling of leaves (ii) rapid cell division.
Name the movement which causes ‘X’ and ‘Y’ to grow downwards and upwards respectively. (Refer above figure)