Cell Walls in Plants

Q.

What are plant cell walls made up of?

Q.

Give the exact location of centrosome.

Q.

What is the chemical composition of cell wall in plants and fungi respectively ?

Q.

The main constituent of cell wall in a plant is __________.

1. proteins

2. cellulose

3. sugars

4. starch

Q.

State whether the following statements are true (T) or false (F) :
(a) All animal cells contain a cell wall. T/F
(b) The cell wall is made of protein. T/F
(c) Centrosome occurs in animal cells. T/F
(d) Plant cells contain large vacuoles. T/F
(e) Protoplasm is the part of the cell which surrounds the nucleus. T/F

(f) Genes are located in chromosomes. T/F
(g) Anthocyanins are the pigments of flowers, which are dissolved in cell-sap. T/F

Q.

Is the plant cell wall living or dead?

Q.

Cell wall of which one of these is not made up of cellulose?

1. Bacteria

2. Hydrilla

3. Mango tree

4. Cactus

Q.

Plant cell has a cell wall made of :
(a) Protein
(b) Fructose
(c) Cellulose
(d) Fatty acids

Q.

The structure that imparts turgidity and rigidity to the cell is

1. vacuole

2. ribosome
   

3. cell wall

4. cell membrane
   

Q.

Are animal cells blue?

Q.

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

Q. Cell wall of plant cell is mainly composed of __________.

1. chitin
2. cellulose
3. lipid
4. protein

Q.

The non-living part of a plant cell is

1. Cell wall

2. Cell sap

3. Both of these

4. Protoplasm

Q. Which plant cell organelle acts as a storage sac for solid and liquid contents?

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

Q.

What is the function of lignin deposition in cell wall

Q.

What is the role of cellulose in cell wall?

1. To provide immunity to cell from pathogen

2. To give structure and shape to cell

3. To provide color to the cell wall

4. To provide rigidity to plants

Q.

How many types of cell wall are there?

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.

Question 17
Which of these organisms have a cell wall that isn't made of cellulose?

(a) Bacteria
(b) Hydrilla
(c) Mango tree
(d) Cactus

Q. Condition of a cell in which the cell contents are shrunken.

Q.

Which of the following statements is true?

1. Centriole can be found in animals but not in many plants

2. Both animal cells and plant cells are green

3. Cell membranes are present in plant cells but absent in animal cells

4. Both animal and plant cells have chloroplast

Q.

Give the chemical composition of cell wall in plant and fungi respectively.

Q.

In plant cell, cell wall is:

1. Dynamic and live

2. Rigid and living

3. Dynamic and non living

4. Rigid and non living

Q. Cell to cell contact in plant cells is maintained through:

1. Tight junctions
2. Desmosomes
3. Interdigitations
4. Plasmodesmata

Q.

Plant cell wall is mainly composed of

1. Cellulose

2. Proteins

3. Lipids

4. Starch

Q.

Schleiden and Schwann introduced the cell theory in 1839.

Which of the following statements is not an assertion of the cell theory?

1. All living organisms are composed of cells and their products

2. Cell is the basic unit of life

3. All cells arise from pre-existing cells

4. Cells lack a typical nucleus in prokaryote

Q.

Cell walls of plants are mainly composed of:

1. Semicellulose

2. Proteins

3. Phospholipids

4. Cellulose

Q. What makes the cell wall of plant cells rigid?

1. Cellulose
2. Chlorophyll
3. Chloroplast
4. Frond

Q. The cell wall in plant cells is mainly composed of ___

Q.

Is a young plant cell wall capable of growing?