Question

The rate of transpiration will _ if the atmospheric pressure is low
(a) increase
(b) decrease
(c) stay unchanged
(d) can't be determined​

Answer 1

Answer:

(a) Increase

Explanation:

Transpiration is the loss of water from leaves in the form of vapour. There are some factors that affect the transpiration such as temperature, concentration of carbon dioxide, humidity, and atmospheric pressure. The reduction of atmospheric pressure reduces the density of the external atmosphere. This allows more rapid diffusion of water. The plants growing on hills show the higher rate of transpiration because of low atmospheric pressure and thus they develop xerophytes characters

Answer 2

The rate of transpiration will increases if the atmospheric pressure is low