Question

Assertion (A): Escherichia coli and Shigella sp. are all responsible for diarrhoeal diseases.

Reason (R): Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured.

Options

• Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

• Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

• Assertion (A) is true but reason (R) is false.

• Both assertion (A) and reason (R) are false.

Answer 1

Both assertion (A) and reason (R) are true, but reason (R) is not the correct explanation of assertion (A).

Explanation:

E. coli and Shigella can cause diarrhoeal disease. Preventing dehydration with fluids and electrolytes is important, but it does not explain why those bacteria cause diarrhoea.