Measurement of Transpiration by Indirect Evaporation.
A thick vein ...
Question
A thick vein present in the middle of the leaf is called ________ .
A
lamina
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B
petiole
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C
sepal
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D
midrib
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Solution
The correct option is D midrib Midrib is the thickest vein present in the middle of the leaf. It separates the lamina into two parts in a dicot leaf. Smaller veins are observed radiating out from the midrib.