NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM PLANTAE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Vascular plants have which one of the following?
A
Only xylem
B
only phloem
C
vascular bundle or tissue
D
no vascular bundle
Explanation: 

Detailed explanation-1: -Xylem is one of the vascular tissues seen in vascular plants. Its basic function is to transport water from roots to the leaves and stems.

Detailed explanation-2: -Characteristics of Vascular Plants As mentioned above, the vascular plants contain vascular tissues and consist of the vascular bundle (xylem and phloem). These specialized structures lead to the increased size of vascular plants.

Detailed explanation-3: -Vascular tissue is comprised of the xylem and the phloem, the main transport systems of plants. They typically occur together in vascular bundles in all plant organs, traversing roots, stems, and leaves. Xylem is responsible for the transport of water and dissolved ions from the roots upwards through the plant.

Detailed explanation-4: -Vascular tissue is an example of a complex tissue, and is made of two specialized conducting tissues: xylem and phloem.

Detailed explanation-5: -Discrete clusters of xylem and phloem tissues, known as vascular bundles, run longitudinally along the stem. The vascular system of monocots (e.g., grasses) consists of vascular bundles scattered across the stem, while the vascular system of dicots (e.g., roses) features vascular tissues that surround a central pith.

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