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Human Health and Disease — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Diphtheria is caused by:
  • A
    Poisons released by living bacterial cells into the host tissue.
  • B
    Poisons released from dead bacterial cells into the host tissue.
  • C
    Poisons released by virus into the host tissues.
  • D
    Excessive immune response by the host’s body.
✓

Answer

  1. Poisons released by living bacterial cells into the host tissue.

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