Question

The chemical substance P is made and secreted
Pby the meristematic tissue at the tip of stem (or
shoot) of a plant. The chemical substance is
responsible for a phenomenon Q in plants in which
the stem bends towards the source of light. The
same chemical substance P has an 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.
(1) What is the chemical substance P ?
(2) State whether P prefers to remain in the sunlit
side of a stem or in shade.
(3) What is the effect of substance P on the rate
of growth of
(a) a root and (b) a stem?
(4) What is the name of the process
(a) Q and (b) R?
(5) What is the general name of the chemical
substance like P ? Name another substance
which belongs to this class of chemical
substances
plzz give this answer​

Answer 1

Answer:

jjwish

Explanation:

jjxisksm!!akaksmozwmsjjxdgeyebdgdyfvebqjqkoaa apzlzosim