JAMB Biology 2013 Objective — Question 31

Question 31 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2013 Objective paper, with the correct answer and a full explanation.

The chitin in the exoskeleton of many arthropods is strengthened by

A. calcium compoundsCorrect
B. organic salts
C. lipids
D. proteins

Explanation

The chitin in the exoskeleton of arthropods is strengthened by calcium compounds. Chitin is generally a nitrogenous polysaccharide.

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