Biology
Answer
Stomata | Lenticels |
---|---|
Stomata are small openings mostly found on the abaxial surface of leaves. | Lenticels are small openings on the surface of older woody stems. |
Stomata are surrounded by bean-shaped guard cells. They can be opened or closed. | Lenticels have no guard cells and they remain open all the time. |
Related Questions
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.
Define the following terms:
(a) Transpiration
(b) Exudation
(c) Potometer
(d) Wilting
(e) Hydathodes
(f) Cuticle
Distinguish between Guttation and Bleeding
Distinguish between Transpiration and Evaporation