Parenchyma

Q.

The diagram shown below is the cross section of

1. parenchyma

2. sclereids

3. aerenchyma

4. collenchyma

Q. Identify the properties of parenchyma cells.

1. Dead cells
2. Live cells
3. Stores food
4. Thin walls
5. Lignified
6. Permanent tissue
7. Tightly packed
8. Unspecialised

Q. (a) How is dermal tissue adapted to prevent excessive transpiration in plants?
(b) Why do leaves of lotus plant float on water?

Q. Give one word for each of the following:
Cells least specialized in the plants.

Q. Scelerenchyma fibres are used in coir industries to make gunny bags and ropers. Give scientific reason.

Q. Collenchyma is a

1. Photosynthetic tissue
2. Water conducting tissue
3. Living, supporting tissue
4. Dead, mechanical tissue

Q. Mechanical support to the growing part of the plant is attributed by

1. D)chlorenchyma
2. A) parenchyma
3. B) schlerenchyma
4. C) collenchyma

Q. Find which one of the following is a dead tissue.

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

Q. Name one place each in living organisms where the following tissue is located:
Sclerenchyma

Q. Where is the least specialized tissue located in plants?