The organelle labelled by which alphabet is absent in animal cells?

Which is not a characteristic of plant cell walls?

The cell wall in higher plants is primarily composed of which of the following substances?

Which of the following statements is inconsistent with the function of the cell wall?

Which of the following is $NOT$ a function of the cell wall?
$(I)$ Provides shape to the cell.
$(II)$ Protects the cell from mechanical damage and infection.
$(III)$ Helps in cell-to-cell interaction.
$(IV)$ Provides a barrier to undesirable macromolecules.
$(V)$ Endosmosis of water.

The chemical component found in abundance in the middle lamella is ...... .