Plant Tissue

Which of the following statements is incorrect?

• Parenchyma tissues have intercellular spaces.

• Collenchyma tissues are irregularly thickened at corners.

• Apical and intercalary meristems are permanent tissues.

• Meristematic tissues, in its early stage, lack vacuole

Which of the following tissues has dead cells?

• Parenchyma

• Sclerenchyma

• Collenchyma

• Epithelial tissue

Girth of stem increases due to

• apical meristem

• intercalary meristem

• lateral meristem

• vertical meristem

The cells of cork are dead and have a chemical in their walls that makes them impervious to gases and water. The chemical is

• lignin

• cutin

• suberin

• wax

The flexibility in plants is due to a tissue called

• chlorenchyma

• parenchyma

• sclerenchyma

• collenchyma

A tissue whose cells are capable of dividing and re-dividing is called

• complex tissue

• permanent tissue

• connective tissue

• meristematic tissue

___________ meristem is present in the radial portion of the stem or root.

• Intercalary

• Apical

• Lateral

• Xylem and phloem

________ is not found in xylem tissues

• Sieve tubes

• Tracheids

• Xylem parenchyma

• Vessels

Parenchyma containing large air cavities are called

(a)  

Which is not a function of epidermis?

• Protection from adverse condition

• Gaseous exchange

• Conduction of water

• Transpiration