During the phase of cell enlargement in plant growth,solute concentration favours . . . . . . .

Match the following (Condition for growth):

$P$	$Q$
$1.$ Nutrients (Macro and Micro)	$a.$ Medium for enzymatic activities
$2.$ Oxygen	$b.$ Synthesis of protoplasm and act as a source of energy
$3.$ Water	$c.$ Releasing metabolic energy for growth activities

How is expansive growth characterized?

What does $r$ represent in the equation $W_1 = W_0 e^{rt}$?

Define growth and explain it.

Study the following statements:
$I.$ $O_2$ helps in releasing metabolic energy,which is essential for growth.
$II.$ Nutrients are required by plants for the synthesis of protoplasm.
$III.$ Change in temperature could be detrimental for the survival of an organism.
$IV.$ Light and gravity do not affect the stages of growth.
Choose the correct option.