NEET Biology Animal Kingdom Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

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Animal Kingdom Topic Based

Question & Answer Discuss:

What happens if bone of frog is kept in dilute hydrochloric acid?

(a) Will break into pieces

(b) Will become flexible

(c) Will turn black

(d) Will shrink

Answer: (b)

Main component of bone is collagen which is a complex combination of amino acids. When frog's bone is treated with HCl, these compounds are broken down and the bone becomes flexible.

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