Multiple choice

Chitin is found in cell wall of

  1. Desmids

  2. Fungi

  3. Eugkenoids

  4. Dinoflagellates
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B Correct answer
Explanation

Chitin is a polysaccharide that forms the structural component of fungal cell walls. It provides rigidity and protection. Desmids have cellulose cell walls, euglenoids (note: typo in option) have proteinaceous strips, and dinoflagellates have cellulose plates. Chitin is also found in arthropod exoskeletons.

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