KBC 2024, The options of the question – Which of these substances is a major constituent of the exoskeleton of animals like crabs and lobsters?
A. Casein
B. Ricin
C. Albumin
D. Chitin
The answer is D. Chitin
KBC 2024| Which of these substances is a major constituent of the exoskeleton of animals like crabs and lobsters?
