Complete the following statements:

(a) Hypotonic solution is one in which the solution kept outside the cell has …………… solute concentration than inside the cell.

(b) Active transport is one in which the ions outside the roots move in by utilising …………… .

(c) The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of …………… .

Fill in the blanks by choosing the correct alternative from those given in brackets.

(a) When placed in a more concentrated solution, the cell contents will …………… (shrink / swell up).

(b) The pressure by which the …………… molecules tend to cross the semi-permeable membrane is called osmotic pressure. (salt / water)

(c) Active transport is in a direction …………… to that of diffusion. (opposite / same)

Differentiate between Plasmolysis and Deplasmolysis

Differentiate between Turgor Pressure and Wall Pressure