Multiple choice general knowledge

Tongue is germ free only if it is pink. If it is white, there is thin film of------- on it

  1. Fungi

  2. Algae

  3. Bacteria

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

A white coating on the tongue is typically caused by a bacterial biofilm - colonies of bacteria growing on the tongue's surface. This is normal oral flora accumulation, not fungi, algae, or viruses. Good oral hygiene including tongue cleaning can remove this biofilm.

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