Sclerenchyma

Q.

List out the function of the parenchyma.

Q.

Which chemical is deposited in the cell wall of sclerenchyma ?

Q. Sclerenchyma tissues have thickened cell walls due to the deposition of ___.

1. lignin
2. sucrose
3. cellulose
4. pectin

Q.

Write a short note on sclerenchyma.

Q. What are the different names of parenchyma?

1. Chlorenchyma
2. Aerenchyma
3. Sclerenchyma
4. Storage tissue

Q.

Which type of simple tissue of plants is used for making ropes ?

Q.

Name the plant tissue that provide the mechanical support.

Q. Identify the type of simple permanent tissue.
(i) The cells of this tissue are dead.
(ii)The cell walls are thickened due to lignin.

1. Parenchyma
2. Collenchyma
3. Aerenchyma
4. Sclerenchyma

Q.

Tina observed a permanent slide of a plant tissue with thin walled cells, loosely packed with large intercellular spaces. Identify the tissue.

1. Parenchyma cells

2. Nerve cells

3. Collenchyma cells

4. Sclerenchyma cells

Q. Which among the following is not a characteristic of parenchyma tissue?

Q. What is the function of sclerenchyma in plants?

1. Offers flexibility
2. Renders Buoyancy
3. Storage of food
4. Provides mechanical support

Q.

Deepa observed two slides of plant tissues. She was told one contained parenchyma cells, while the other slide had sclerenchyma cells. How can she confirm the slide with sclerenchyma cells?

1. By the presence of cells with thick cell walls.

2. By the presence of cells with many nuclei.

3. By the presence of cells with a large central vacuole.

4. By the presence of green colour pigment called chlorophyll.

Q.

Sclerenchyma cells form ground tissue in plants

1. True
2. False

Q.

Which of the following tissue is not found in animals?

1. Parenchyma

2. Nervous tissue

3. Muscular tissue

4. Connective tissue

Q.

What is the other name of sclereids ?

Q.

What are the functions of paranchyma tissue and how it is responsible for exchange of gases. Where are they found

Q.

Give the functions of sclerenchyma tissues.

Q.

Question 1
Which of the following tissues has dead cells?

(a) Parenchyma
(b) Sclerenchyma
(c) Collenchyma
(d) Epithelial tissue

Q. Define meristematic tissue. Why do meristematic cells lack vacuoles?

Q. Ramya noticed a person was trying to break a coconut shell with a hammer. After reaching school she asked her teacher what makes the shell so tough?

1. Apical meristem
2. Intercalary meristem
3. Collenchyma
4. Sclerenchyma

Q.

Parenchyma taking part in photosynthesis is known as;

1. chlorenchyma

2. aerenchyma

3. collenchyma

4. sclerenchyma

Q.

Which of the following cells in plants are said to be nonliving ?
(a) Meristem
(b) Parenchyma
(c) Collenchyma
(d) Sclerenchynia.

Q.

Sclerenchyma consists of actively dividing cells which help in growth.

1. True
2. False

Q.

Classify sclereids based on their shape.

Q.

What is Lamina cribrosa ?

Q.

Sclerenchyma consists of thin-walled living cells.

1. True
2. False

Q.

The husk of coconut is a ________ tissue.

1. Vascular

2. Sclerenchymatous

3. Epithelial

4. Meristematic

Q.

What are the characteristics of fibres?

Q. The hardness and stiffness of plants is due to the presence of __.

1. parenchyma
2. collenchyma
3. sclerenchyma
4. aerenchyma

Q.

Give any one of the Sclerenchymas functions.