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Bio Biology

BiologyNEB 2082 (MCQs)

Identify the pair of disease transmitted through contaminated food and water. a) Typhoid and cholera b) Typhoid and TB c) Cholera and TB d) Cholera and candidiasis

1

Answer

· Based on the official syllabus and past papers
Updated

Model Answer

The correct option is a) Typhoid and cholera.

Both typhoid and cholera are classic examples of waterborne and foodborne diseases.

  • Typhoid is caused by the bacterium Salmonella typhi. It is transmitted through the ingestion of food or water contaminated with fecal matter containing the bacteria.
  • Cholera is caused by the bacterium Vibrio cholerae. It spreads rapidly through contaminated water and food, leading to severe dehydration.

In contrast, Tuberculosis (TB) is an airborne disease transmitted via respiratory droplets, while Candidiasis is a fungal infection usually associated with local overgrowth or direct contact, not typically spread through contaminated food or water sources. Therefore, only the pair in option (a) fits the transmission mode described.

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