Question : The broad, green part of the leaf is called _____.
Option 1: lamina
Option 2: petiole
Option 3: veins
Option 4: midrib
Correct Answer: lamina
Solution : The correct option is lamina .
The leaf's broad, green portion is referred to as the "blade" or "lamina". Much of the photosynthesis occurs in the flattened, enlarged portion of the leaf. Usually thin and wide, the blade offers a lot of surface area for absorbing sunlight and allowing gases, such as oxygen and carbon dioxide, to be exchanged with the environment. The petiole is the component that joins the blade to the leaf stem.
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