A Level Biology Practice Exam

Question: 1 / 715

What constitutes a vascular bundle in herbaceous dicots?

A combination of root and stem tissues

Xylem and phloem tissues

A vascular bundle in herbaceous dicots is primarily composed of xylem and phloem tissues, which are essential for the transport of water, nutrients, and sugars within the plant. The xylem is responsible for the upward movement of water and minerals from the roots to the other parts of the plant, while the phloem transports the products of photosynthesis (mainly sugars) from the leaves to the rest of the plant.

In herbaceous dicots, these vascular bundles are arranged in a specific pattern that supports efficient transport and structural integrity. The combination of xylem and phloem, enclosed typically by a layer of cambium in dicots, also allows for growth and development, contributing to the plant's ability to adapt to its environment. Therefore, the answer accurately represents the structure and function of vascular bundles in these plants.

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Only xylem tissues

Only phloem tissues

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