Name the tissue found (a). at the bases of leaves (b). At the growing tips of the root and stem c. in the lining of the wind pipe

Storage roots found in clusters at base of stem are

Swollen stem bases, large leaves with drip tips are characteristic of :

Name the plastids commonly found in roots leaves, flowers and fruit of the plant.

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards a source of light. The same chemical substance P has on opposite effect on the root of a plant. It causes the root of a plant to bend away from the source of light in a process called R. (a) What is the chemical substance P? (b) State whether P prefers to remains in the sunlit side of a stem or in shade. (c) What is the effect of substance P on the rate of growth of (i) a root, and (ii) a stem? (d) What is the name of process (i) Q, and (ii) R? (e) What is the general name of chemical substances like P? Name another substance which belongs to this class of chemical substances.

Name the plant hormones responsible for the following (a) elongation of cells (b) growth of stem (c ) promotion of cell division (d) falling of senescent leaves

Name two plants : (a) which can be grown from their borken stems. (b) which can be grown from their their leaves.

Give the scientific terms used to represent the following: (a) Bending of a shoot towards light. (b) Growing of roots towards the earth. (c) Growth of a pollen tube towards ovule. (d) Bending of roots towards water. (e) Winding of tendril around a support.