Question

D. State the function of guard cells. What will happen to guard cell and stomatal pores when water flows to guard cells.
1. "breathing cycle is rhythmic whereas exchange of gases is a continuous process". Justify the statement.
2. a) what is emulsification.
b)why are lungs divided into very small structures?
2
D
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Answer 1

the guard cells helps to protect the stomatal pore and when water flows in the guard cell the pore becomes turgid