Biology 0610 · IGCSE · Osmosis

Osmosis — practice question

Statements 1-4 outline the stages in the development of cholera. 1. Chloride ions are released into the gut. 2. Osmosis makes water move into the gut. 3. The infected person becomes dehydrated. 4. Toxins are made by the pathogenic bacteria. What is the correct order of these four stages?

  • A1 → 2 → 3 → 4
  • B1 → 4 → 3 → 2
  • C4 → 1 → 2 → 3
  • D4 → 1 → 3 → 2

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