Join WhatsApp ChannelDaily MCQs & Exam Updates
Everyday Science Medium NTS Uploaded: 01 Sep 2026

Which of the following is the primary cause of dental cavities?

  • A Vitamin deficiency
  • B Excess calcium
  • C Bacterial acid production from sugar
  • D Cold water
Correct Answer: Option C — Bacterial acid production from sugar
Explanation:
Bacteria in the mouth metabolize sugars and produce acids that erode tooth enamel, leading to the formation of cavities over time.
Submitted by: PaperMCQs
Related MCQs