Explanation

• Cholera is an infectious disease caused by the bacterium Vibrio cholerae.
• Symptoms include severe diarrhea, dehydration, and vomiting.
• Cholera can be prevented by clean drinking water and proper sanitation.

• It mainly spreads through contaminated water and food.
  It is most common in areas with poor hygiene and overcrowding.

Last verified on 3-03-2026

Explanation

• Iodine deficiency causes goiter, an enlargement of the thyroid gland.
• Iodine is essential for the production of thyroid hormones.
• Severe iodine deficiency during pregnancy or early childhood can impair brain development.

Last verified on 07-09-2026

Explanation

• Tuberculosis, typhoid, pneumonia and cholera are caused by bacteria.
• Tuberculosis is caused by Mycobacterium tuberculosis.
• Typhoid is caused by Salmonella Typhi, while cholera is caused by Vibrio cholerae.
• Bacterial pneumonia can be caused by Streptococcus pneumoniae.

Last verified on 02-11-2026

Explanation

Iron deficiency can lead to Anaemia, a condition characterized by:

• Low red blood cell count
• Pale skin
• Fatigue
• Shortness of breath
• Dizziness

Last verified on 02-11-2026

Explanation

• Ringworm is a fungal infection caused by dermatophytes, including Microsporum, Trichophyton, and Epidermophyton.
• Despite its name, ringworm is not caused by a worm.
• It often produces a circular, red, itchy rash on the skin.
• The infection may affect the scalp, body, feet, or groin, depending on the site of infection.

Last verified on 27-10-2026