Collenchyma

Q.

Intercellular spaces are present in collenchyma cells.

1. True
2. False

Q.

Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is

1. Epidermis

2. Xylem

3. Sclerenchyma

4. Collenchyma

Q. The living mechanical tissue that provides tensile strength is

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

Q.

Mention any two functions of collenchyma.

Q. The simple tissue consisting of living cells and providing mechanical strength to plants is

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

Q.

Mention the occurrence of collenchyma in plants.

Q. The thickening material present in cell walls of collenchyma is

1. Pectin, cellulose, hemicellulose
2. Lignin, cellulose, hemicellulose
3. Hemicellulose, suberin, cellulose
4. Suberin, pectin, cellulose

Q.

Hypodermis of monocot stem is

1. collenchymatous

2. hypodemis absent

3. sclerenchymatous

4. parenchymatous

Q. Which among the following is/are the component(s) of the cell wall of a typical collenchyma cell?

1. Starch
2. Cellulose
3. Pectin
4. Lignin

Q. Which is living mechanical tissue?

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

Q. Read the following statements:
I) Collenchyma contains lignin in its wall thickenings.
II) Collenchyma is found only in aerial primary parts and is absent from the roots.
III) Chlorenchyma is parenchyma with chloroplasts in them.
IV) Collenchyma does not have intercellular spaces.

Which of the following statements are correct?

Q. Collenchyma is

1. Living and contains protoplasm
2. Dead and hollow
3. Dead and filled with reserve food
4. Living and contains no reserve food

Q. A wood with scattered parenchyma is called as

1. Paratracheal
2. Apotracheal
3. Both of the above
4. None of the above