Multiple choice general knowledge science & technology

What is the rihno's horn made of?

  1. tusk

  2. wood

  3. hair

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

Rhino horns are composed of keratin, the same fibrous protein that makes up human hair and fingernails. Unlike antlers (which are bone), rhino horns have no bony core - they're solid masses of keratin fibers fused together. This is why rhino horns can be trimmed without pain, similar to cutting hair. 'Tusk' refers to elephant ivory (tooth material), not horn material.

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