Question
The diagram given below represents a structure found in a leaf.
Study the same and answer the questions that follow:
(i) Name the parts labelled as $A$ and $B$.
(ii) What is the biological term for the above structure?
(iii) What is the function of the part labelled A?

Answer

(i) A. Guard Cell, B. Stoma
(ii) The above structure is known as stomatal apparatus.
(iii) The part A is known as guard cell which helps in the opening and closing of stomata.

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