$A$ are structures present in the epidermis of leaves. They regulate the process of transpiration and $B$ exchange. It is composed of two bean-shaped cells known as $C$ cells.
Choose the correct combination of $A, B$ and $C$ from the following options:
Choose the correct combination of $A, B$ and $C$ from the following options:
- A$A-$ Stomata,$B-$ gaseous,$C-$ guard
- B$A-$ Stomata,$B-$ gaseous,$C-$ subsidiary
- C$A-$ Stomata,$B-$ water,$C-$ subsidiary
- D$A-$ Stomata,$B-$ water,$C-$ guard
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Statement $I$: The forces generated by transpiration can lift a xylem-sized column of water over $130 \text{ meters}$ in height.
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Statement $II$: Transpiration cools leaf surfaces,sometimes by $10$ to $15$ degrees,through evaporative cooling.
In the light of the above statements,choose the most appropriate answer from the options given below:
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