Multiple choice general knowledge science & technology

what is the horn of a rhino?

  1. Its teeth

  2. Its bone

  3. Its hair

  4. Its muscle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A rhino's horn is made of keratin - the same protein found in human hair and fingernails. It's not bone, teeth, or muscle tissue. The horn grows continuously throughout the rhino's life.

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