Question

The broad green part of the leaf is called

• A. Thalamus
• B. Petiole
• C. Lamina
• D. Midrib

Answer 1

The correct option is C

Lamina

The correct option is C.

The explanation for the correct option.

1. Also known as leaf blade. It is the green, flat surface of the leaves.
2. It consists of a small branched vein and veinlets.
3. The lamina is plays an important role in carrying out photosynthesis,

The explanation for the incorrect option.

Option A:

1. Thalamus could be discovered all around the flower's stalk.
2. It is an old name for the thickened section of the stem of a flower, which is referred to as the receptacle. The flower's structures develop at this point.

Option B:

1. A stalk that joins the blade to the leaf base is known as the petiole.
2. The blade, which is really the plant's main photosynthetic surface, is greenish and flattened in a perpendicular direction to the stem.

Option D:

1. It is the central or major vein of the leaf in eudicots, magnoliids, and ferns.
2. Midribs can extend from the undersides of leaves thanks to pinnate venation.
3. The central vein, also known as the rib, of a leaf, stretches from the stem to the tip.

Final answer: The broad green part of the leaf is called Lamina.