Cell Walls in Plants

Q.

Why is cell wall not present in animals?

Q.

Question 30
What are the functions of cell wall in plant cells?

Q.

Why we need cell wall in plant cell why not in animal cells ?

Q. Cell wall is present in both animal and plant cell.

1. True
2. False

Q.

The non-living part of a plant cell is its:

1. Cell membrane
2. Cell wall
3. Nucleus
4. Chloroplast

Q. What is significance of cell wall in a cell?

Q.

The cell wall in onion peel cell is made of:

1. Cellulose

2. Cell sap

3. Starch

4. Gelatin

Q.

Which of the following have cell walls?
A. Epidermal cell
B. Epithelial cell
C. Mesophyll cell
D. Liver cell

1. A and C

2. B and D

3. A and B

4. B and C

Q.

The cell wall in cork is impervious to water and gases due to presence of

1. Lignin

2. Pectin

3. Suberin

4. Cellulose

Q.

What is the function of a cell wall in a plant cell?

Q. Name the layer which is outside the cell membrane of a plant cell.

Q. Which among the following statement is correct about cell walls?

1. Present in both bacterial cell and animal cell
2. Provides protection
3. Performs photosynthesis
4. Present in only plant cell

Q.

Functions of cell wall

Q.

A cell wall is present in

1. Guard cells

2. Cheek cells

3. Neurons

4. Blood cells

Q. Which part of a plant cell protects outside of the cell ?

Q.

Animal cells are well protected by the thick cell wall they possess.

1. True

2. False

Q.

The cell wall in a plant helps to maintain ___(i)___and ___(ii)__. And they communicate with other cells through special openings called ___(iii)___

1. (i) Shape, (ii) Communication, (iii)Desmotubules

2. (i) Communication, (ii) Desmotubules, (iii)Shape

3. (i) Protection, (ii) Transport, (iii) Plasmodesmata

4. (i) Transport, (ii) Plasmodesmata, (iii)Protection

Q.

rigidity in cell is due to..

Q.

The outer membrane found in animal cells is __________.

1. cell wall

2. cell membrane

3. nuclear membrane

4. cytoplasm

Q. Which of the following is/are absent in all the cells shown below?

1. Cell wall
2. Cell membrane
3. Nucleus
4. Chloroplast

Q. __ is the structure which helps plant cells to protect against variations in temperature and high wind speed.

1. Cytoplasm
2. Mitochondria
3. Cell wall
4. Nucleus

Q. If the cell wall is elastic instead of being rigid and if the cell is put in a medium of sugar solution of higher concentration then:

1. The cytoplasm will shrink away from the wall
2. The wall as well as the cytoplasm will shrink
3. The cell size and shape will not change
4. The wall will break up as the cytoplasm shrinks

Q.

Fiction of cell wall

Q. In an animal cell, which among the following organelles has its own DNA?

1. Chloroplast
2. Chromoplast
3. Mitochondria
4. Leucoplast

Q.

The additional layer surrounding the cell membrane required by the plants for protection is

1. Cell membrane

2. Cell wall

3. Chloroplast

4. Nuclear membrane

Q. Cell membrane is present in
(a) a plant cell.
(b) an animal cell.
(c) both plant and animal cells.
(d) none of them.

Q.

Mention the composition of primary cell wall.

Q. State whether the following statements are true or false.
1. The cell membrane is impermeable.
2. The cell wall is found in animal cells only.

Q. Which of these is not present in an animal cell?
(a) mitochondria
(b) nucleus
(c) cell membrane
(d) chloroplasts

Q. Which of the following statements is incorrect about cell wall?

1. It is found in human cells.
2. It is made up of cellulose.
3. It is freely permeable.
4. It provides rigidity and shape to cells.