Question

4. Compare and contrast the following.
a) Xylem and Phloem
b) Meristematic Tissue and Dermal Tissue
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Answer 1

Answer:

Xylem Phloem

1)It conducts water and minerals. It conducts food.

2)It is dead when mature. 2)It is a living tissue.

3)It transports unidirectionally. 3)It is able to transport in one direction.

Meristematic tissue Dermal tissue

1)It is responsible for the growth of the plant. 1)It is responsible for the protection of growth.

2)These are present at the specific location of plants like a tip of root and shoot 2)These are present over the entire body of the plant.

3)These constitute apical, intercalary meristem, interfascicular cambium etc. 3)These include epidermis, trichomes, stomata.

Explanation:

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Answer 2

A) Xylem transports only minerals and waters from the roots. Phloem transports food materials that are prepared by the green parts of the plants to other parts of the plant. ... Xylem is the dead tissues at maturity, but no cell contents. Phloem is the living tissue, but not with the nucleus.

B) Meristematic tissue is the zone of actively dividing cells and responsible for the growth of the plant. Dermal tissue is the single layer of the cells. ... Meristematic tissue is only for the growth. While, dermal tissue modifies for different functions.

Explanation:

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