Answer: The correct answer for the blank is-
made of polysaccharides and chitin.
Chitin is a fibrous material that possesses polysaccharides and forms the major constituent in the fungal cell wall. It is a polymer of N-acetylglucosamine, which is derived from glucose.
Due to the presence of fibrous cell walls in fungi, they can easily penetrate animals and plant body, so as to extract nutrients out of them.
Thus, polysaccharides and chitin is the right answer.
