Which one of the following is wrong for fungi?
Answer: (B) All fungi possess a purely cellulosic cell wall. Answer: (B) All fungi possess a purely cellulosic cell wall — WRONG Solution: Fungal cell walls are composed of chitin and polysaccharides, not pure cellulose, so B is the wrong statement.
- A.They are eukaryotic
- B.All fungi possess a purely cellulosic cell wall✓
- C.They are heterotrophic
- D.They are both unicellular and multicellular
Correct Answer
(B) All fungi possess a purely cellulosic cell wall
Solution & Explanation
Answer: (B) All fungi possess a purely cellulosic cell wall — WRONG Solution: Fungal cell walls are composed of chitin and polysaccharides, not pure cellulose, so B is the wrong statement. Fungi are eukaryotic (A correct), heterotrophic (C correct), and occur as both unicellular (yeast) and multicellular forms (D correct). NCERT Reference: NCERT Class XI, Biological Classification, p.16, line 35 — "The cell walls of fungi are composed of chitin and polysaccharides"