Name these:

(a) Three kinds of transpiration.

(b) Three external factors which increase the rate of transpiration.

(c) Three intrinsic features which reduce the rate of transpiration.

(d) Three extrinsic factors which decrease the rate of transpiration.

(e) Four kinds of potometers on the basis of the name of scientists who discovered them.

(a) Three kinds of transpiration:

1. Stomatal transpiration.
2. Lenticular transpiration.
3. Cuticular transpiration.

(b) Three external factors which increase the rate of transpiration:

1. Increase in intensity of Sunlight.
2. Low humidity.
3. Increase in velocity of wind.

(c) Three intrinsic features which reduce the rate of transpiration:

1. Sunken stomata.
2. Narrow leaves.
3. Thick cuticles.

(d) Three extrinsic factors which decrease the rate of transpiration:

1. Increase in humidity.
2. Increase in carbon dioxide level in atmosphere.
3. Increase in temperature.

(e) Four potometers named after their discoverers :

1. Farmers's potometer
2. Ganong's potometer
3. Darwin's potometer
4. Garreau's potometer