Question
Biology Question on Cell: the unit of life
The primary cell wall is mainly made up of
A
Lignin
B
Pectin
C
Cellulose
D
Protein
Answer
Cellulose
Explanation
Solution
Primary cell wall is laid inner to middle lamella. It is formed in a growing cell. Primary cell wall occurs in all plant cells. It is single layered and consists of a number of microfibrils embedded in matrix. In majority of plants, microfibrils are formed by cellulose.