GENERAL HISTOLOGY

Detailed explanation-1: -A cell wall is a structural layer surrounding some types of cells, just outside the cell membrane. It can be tough, flexible, and sometimes rigid. It provides the cell with both structural support and protection, and also acts as a filtering mechanism.

Detailed explanation-2: -The plant cell wall is made up of cellulose which is a complex substance and provides structural strength to the plants. Q. Assertion :The exoskeleton of arthropods is made up of complex polysaccharide called chitin. Reason: Plant cell walls are made of cellulose.

Detailed explanation-3: -Cell wall is a protective outer covering of the cell. It is mostly present in plant cells. It supports the contents of the cell and protects from pathogen attack and wear and tear. It is made of cellulose, lignin.

Detailed explanation-4: -Plant cell walls are primarily made of cellulose, which is the most abundant macromolecule on Earth. Cellulose fibers are long, linear polymers of hundreds of glucose molecules.

Detailed explanation-5: -Chitin, a biopolymer of N-acetylglucosamine with some glucosamine, is the main component of the cell walls of fungi, the exoskeletons of arthropods such as crustaceans and insects, the radulas of mollusks and the beaks of cephalopods.