Question

Guard cells help in :

• A. Fighting against infection
• B. Protection against grazing
• C. Transpiration
• D. Guttation

Answer 1

The correct option is C Transpiration

Guard cells are regulating the opening and closing of the pores at stomatal. These are having special modifications with thick inner walls. These adaptations are helping them to perform functions as regulating the rate of transpiration. It does not help for guttation or for fighting against infection/grazing.

So, the correct answer will be Transpiration.

The correct option is C.