The middle lamella is primarily composed of:

Each of the following terms has some anatomical significance. What do these terms mean? Explain with the help of line diagrams.
$(A)$ Plasmodesmata
$(B)$ Middle lamella
$(C)$ Secondary wall

Which of the following is $NOT$ found in the composition of the plant cell wall?

$I.$ Found only in sporophytic phase of life cycle
$II.$ May contain enzymes that are biologically active
$III.$ Often contain strengthening polymers
Select the correct option for cell wall

Which of the following determines the shape of the cells and provides a strong structural support to prevent the bacterium from bursting or collapsing?

What is the primary cell wall of a young plant cell composed of?