Question

Observe the given diagram and choose the most appropriate option.

• A. A - Bacterial disease, B - nervous system, C - contaminated body fluids
• B. A - Bacterial disease, B - respiratory system, C - contaminated air droplets
• C. A - Bacterial disease, B - digestive tract, C - contaminated food and water
• D. A - Bacterial disease, B - lymphatic system, C - contaminated food and water

Answer 1

The correct option is C A - Bacterial disease, B - digestive tract, C - contaminated food and water

Cholera, typhoid and dysentery are bacterial diseases. So label “A” in the given image is bacterial disease.

Cholera is caused by the bacterium Vibrio cholerae. It is transmitted by contaminated foods and water and found in places where there is a lack of sanitation facilities.

Typhoid is caused by the Salmonella typhi bacteria. It is also spread by contaminated food and water.

Bacillary dysentery is caused by Shigella bacteria and the disease is called shigellosis.
The bacteria causes an intestinal infection resulting in bloody diarrhea. It is also spread due to contaminated food and water. Hence label “C” is contaminated food and water and label “B” is digestive tract.