Class 11 · Biological Classification

Fungal Cell Wall Composition — NEET Biology

✅ Asked in NEET 2016
✅ NEET 2016 PYQ · Asked 2 times

One of the major components of cell wall of most fungi is NEET 2016

Q1 of 2NEET 2016

One of the major components of cell wall of most fungi is NEET 2016

Q2 of 2NEET 2016

Which one of the following is wrong for fungi? NEET 2016

Answer & NCERT explanation

Correct answer: C Chitin

Chitin is the major component of fungal cell walls, providing structural strength. It's a nitrogen-containing polysaccharide, unlike cellulose found in plant cell walls. Peptidoglycan is found in bacterial cell walls, while hemicellulose is a plant cell wall component along with cellulose.

Read more NCERT concept on the PYQ

📖 NCERT Source

With the exception of yeasts which are unicellular, fungi are filamentous. Their bodies consist of long, slender thread-like structures called hyphae. The network of hyphae is known as mycelium. Some hyphae are continuous tubes filled with multinucleated cytoplasm – these are called coenocytic hyphae. Others have septa or cross walls in their hyphae. The cell walls of fungi are composed of chitin and polysaccharides.

NCERT Biology · Class 11 · Chapter 2 · Paragraph 29
How NTA Uses This Concept

NTA tests students on the exact components of fungal cell walls: chitin and polysaccharides. This is distinct from plant cell walls (cellulose) and bacterial cell walls (peptidoglycan), so many students confuse them. A common trap is selecting 'cellulose' as the fungal wall component because fungi appear plant-like. Remember: chitin is the same polymer in insect exoskeletons—it's hard, protective, and uniquely fungal. This concept appears frequently in classification questions comparing fungi to plants and bacteria.

❓ Frequently Asked Questions
What does NCERT say about With exception yeasts which?
With the exception of yeasts which are unicellular, fungi are filamentous. Their bodies consist of long, slender thread-like structures called hyphae.
Has this concept appeared in NEET?
Yes — appeared in NEET 2016, 2016. Explicitly states fungi cell walls composed of chitin and polysaccharides
Which chapter is this from?
Biological Classification, Class 11 NCERT Biology.

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