Question

What is a tissue ?
Differentiate between-Xylem and Pholem

Answer 1

Answer: A TISSUE IS A GROUP OF CELL PERFORMING SPECIFIC FUNCTION

1. xylem and pholem are the vascular bundles of plants
2. xylem carries water and minerals from roots to stem while pholem carries food from leaves to other parts
3. xylem  is unidirectional while pholem is multidirectional

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Answer 2

Answer:

Tissue:

A group of cell similar in structure and work together to perform a particular function is known as tissue.

Difference between xylem and phloem:

Xylem:

1. It conduct water and mineral.

2. Condition in xylem is mostly undirectional.

3. Xylem are of four types-

Xylem trachides

Xylem vessel

Xylem parenchyma

Xylem fiber

4. Out of four only xylem parenchyma is living.

5. In xylem conduction of water and mineral done by xylem trachides and xylem vessel.

Phloem:

1. It conduct organic material and food.

2. Conduction in phloem is may be bidirectional.

3. Phloem are of four types -

Sieve tube

Companion cell

Phloem parenchyma

Phloem fiber

4. Out of four only phloem fiber is dead.

5. In phloem conduction of food is mainly done by sieve tube.

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