Question

Describe various types of vascular bundles.

Answer 1

1. Collateral Bundle:

A vascular bundle in which a strand c f phloem is present external to the strand of xylem on the same radius side by side is known as collateral bundle.

2. Bicollateral Bundle:

A vascular bundle with phloem situated on the peripheral and inner side of xylem is known as bicollateral bundle. A strip of cambium termed outer cambium is present between the peripheral phloem and xylem; another strip of cambium, termed inner cambium, is also present between inner phloem and xylem.

3. Concentric Bundle:

A vascular bundle in which one type of vascular tissue surrounds the other is known as concentric bundle.

4. Radial Vascular Bundle:

A vascular bundle, in which the primary xylem and primary phloem strands are separated from each other by nonvascular tissues and they are situated on alternate radii of an axis, is known as radial vascular bundle or radial bundle.

Answer 2

there are 2 types of bundles they are xylem and pholem they together form vascular bundles xylem transport s water pholem transport the food which are prepared by photosynthesis