PATHOLOGY

PATHOLOGY MCQ

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following combinations of the features of the leaves of terrestrial (land) plants and their adaptations for gas exchange is not correct?
A
broad and flat to provide a large surface area
B
moist surface of the mesophyll cells to allow gases to dissolve in the moisture
C
epidermis not covered by cuticle to allow gases to diffuse freely
D
many stomata to allow gases to pass into and out of the leaves freely
Explanation: 

Detailed explanation-1: -Stomata facilitate not only the uptake of CO2 but also the exchange of all gases between the aerial parts of the plant and the atmosphere. Water vapour and oxygen molecules exit the leaf through the same path as CO2 enters, but usually in the opposite direction (Figure

Detailed explanation-2: -Photosynthesis. Transpiration. Guttation. Storage. Defense. 19-Aug-2017

There is 1 question to complete.