Question

Which of the following structures is an extension of the petiole into the leaf blade? . A. lamina . B. mesophyll . C.midrib

Answer 1

The correct answer is option C, that is, midrib.

Step-by-step explanation:

The petiole refers to the stalk originating from the plant's stem, which associates the stem to the leaf blade. In the center of the leaf blade is the midrib that refers to an extension of the petiole. It is found in true leaves in the form of a vein running from the base of the leaf to the apex. The prime function of midrib is to maintain the leaf in an upright position and to protect the leaf from the strong winds.

Answer 2

"Midrib" is the structure choice among the following choices that is an extension of the petiole into the leaf blade. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has come to your help.