Cell Wall

Q.

What is difference between cell wall and cell membrane?

Q. Cell wall in cork is impervious to water and gases due to presence of :

1. Legnin
2. Pectin
3. Suberin
4. Cellulose

Q. In addition to the cell membrane, there is an outer thick layer in plant cells known as ___.

1. cytoplasm
2. chloroplast
3. stomata
4. cell wall

Q. Cell walls in plants are made up of:

1. Sebum
2. Cellulose
3. Lipase
4. All of the above

Q. List atleast 4 differences between cell membrane and cell wall

Q.

Rigid non-living component of the cell is called

Q.

How does a cell wall and a cell membrane differ in their permeability?

Q.

The cell wall of a plant cell is a living structure.

1. True
2. False

Q. Statement 1: Cell membrane is found in plant cell as well as animal cell.
Statement 2: Cell wall is found in plant cell as well as animal cell.

1. Both statements are incorrect
2. Both statements are correct
3. Statement 2 is correct statement 1 is incorrect
4. Statement 1 is correct statement 2 is incorrect

Q.

Which one of the following statements is not true about the plant cell wall?

1. Cell wall is made up of cellulose.

2. Cell wall gives shape to the plant cell.

3. Cell wall is a non-living structure.

4. Cell wall is not a freely permeable.

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

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. The chemical substance present most abundantly in the middle lamella is

1. Calcium pectinate
2. Suberin
3. Lignin
4. Lamellenin

Q.

Plasma membrane is made up of ________.

1. cellulose
2. chitin
3. silicon
4. phospholipids

Q.

In addition to the cell membrane, there is an outer thick layer in cells of plants which is known as ___.

Q. Animal cells are well protected because they possess thick cell walls.

1. False
2. True

Q.

Which of the following is correct?

1. Cell wall and cell membrane, both are non-living.

2. The cell wall is freely permeable and the cell membrane is semi-permeable.

3. The cell wall is mainly composed of lipids and proteins and the cell membrane is made up of cellulose.

4. The cell wall and the cell membrane, both are absent in an animal cell.

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

1. Deep blue
2. Pinkish red
3. Black
4. Yellow