Question

Water containing cavities in vascular bundles are found in

• A. Sunflower
• B. Maize
• C. Cycas
• D. Pinus

Answer 1

The correct option is B

Maize

The correct answer is option B:

Explanation of the correct option:

1. Vascular bundles are present near the edge of the stem.
2. Vascular bundles have phloem on the outside and the xylem on the inside.
3. The protoxylem and xylem parenchyma cells dissolve and form water-containing cavities in the vascular bundles.
4. These water-containing cavities are known as lacuna or protoxylem cavities.
5. Plants like maize have water-containing cavities in vascular bundles.

Explanation of the incorrect options:

Option A: Sunflower does not have water-containing cavities in vascular bundles.

Option C: Cycas does not have water-containing cavities in vascular bundles.

Option D: Pinus does not have water-containing cavities in vascular bundles.

Final answer: Hence, water containing cavities in vascular bundles are found in maize.