NEET 2022 · BiologyArthropodaPrevious Year Question
Exoskeleton of arthropods is composed of:
Answer: (C) Chitin. In phylum Arthropoda the body is covered by a chitinous exoskeleton, so the answer is chitin.
- A.Cutin
- B.Cellulose
- C.Chitin✓
- D.Glucosamine
Correct Answer
(C) Chitin
Solution & Explanation
In phylum Arthropoda the body is covered by a chitinous exoskeleton, so the answer is chitin. Cutin and cellulose are plant materials, while glucosamine is only the monomer unit, not the exoskeletal polymer itself. Hence option C. NCERT Reference: Page 44, line 11
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