AP BIOLOGY

PLANTS

THE LEAF

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The stalk that attaches leaf to the stem
A
midrib
B
petiole
C
veins
D
lamina
Explanation: 

Detailed explanation-1: -Petiole is the stalk that attaches the leaf to the stem. Whereas, veins provide mechanical support and help in the transport of substances. Midrib is the thick vein in the middle of the leaf. Lamina is the broad part of the leaf which is generally green.

Detailed explanation-2: -In the picture below, the nodes are the points connecting the petioles to the stem. We call the leaves that are connected to the stem through a simple petiole petiolates.

Detailed explanation-3: -The petiole is a stalk that connects leaf blades to the stem. Leaf-blade is the flattened photosynthetic surface that is perpendicular to the stem.

There is 1 question to complete.