Question

Q- 1 Name the following:
a. The plant tissue having dead cells.
b. Tissue that is responsible for increase in girth of the stem or root.
c. Tissue that is responsible for the flexibility in plants.
d. The tissue that helps the lotus to float on the surface of water.

Q -2 Why is epidermis important for a plant?
Q-3 Name the kind of cells present in the cork or bark of a tree. Name the chemicals found in their walls and write its function.
Q- 4 Name the elements of xylem and phloem tissue.

Q-5 why parenchyma is called a simple tissue while xylems are called complex tissue?
Q-6) what are the characteristic features of meristematic tissue.(Any four)

Answer 1

Answer:

a.Sclerenchyma tissue found in the stem, root and many other parts of the plant, is made up of dead cells.

b.cambium

c.collenchyma

d.parenchyma tissue

Q2.It forms a boundary between the plant and the external environment. The epidermis serves several functions: it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in roots) absorbs water and mineral nutrients.

Q4.The xylem parenchyma is responsible for storing the prepared food and assists in the conduction of water. Xylem fibres are supportive in function. Phloem- It consists of four of elements: sieve tubes, companion cells, phloem fibres and the phloem parenchyma.

Q3.Cork Cambium: It is the type of cell present in the stem of the tree and has chlorophyll in its inner side. It pushes the cork towards the outer side. The chemical found found in the walls of the cork/bark is suberin.

Q5.Parenchyma is a called simple tissue because the cells dont have to divide... while xylem is called a complex tissue because the cells have the ability to divide. Answer : ... It is thin walled and it's cell's wall is made by cellulose.

Q6.have dense cytoplasm. (iii) have thin cellulose walls and prominent nuclei. (iv) lack vacuoles. Meristematic tissue is a group of cells that has power of continuous division.

Explanation:

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Answer 2

Answer:

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