Meristematic Tissues

Q.

State the main function of: Guard cells.

Q.

Flowers are a modified version of the shoot of the plant in which leaves are modified into the floral structure.

1. True

2. False

Q.

Which among the following is the function of guard cells?

1. Protection

2. Opening and closing of stomata

3. Production of antioxidants

4. Transmission of spores

Q. Following are the characteristics of meristematic tissues, except:

1. The cells of this tissue are very active
2. They possess dense cytoplasm
3. They have thick cellulose walls and prominent nuclei
4. They lack vacuole

Q. Which of the following is not a kind of epidermal cell?

1. Root hair
2. Cork
3. Trichome
4. Guard cell

Q. Which among the following are characteristics of meristematic tissues?

1. Lack vacuole
2. Thin cellulosic cell wall
3. Prominent nuclei
4. Have intercellular spaces

Q. Meristematic tissues are found in

1. In all growing tips of the plant body
2. Only roots of the plants
3. Both roots and stems
4. Only stems of the plants