Exoskeleton of arthropods is composed of:
- Cutin
- Cellulose
- Chitin
- Glucosamine
Answer
(3) Chitin
Solution
As per NCERT, the body of arthropods is covered by a chitinous exoskeleton.
Chitin is a complex polysaccharide (polymer of N-acetylglucosamine).
Answer: (3)