- A Goitre from iodine deficiency
- B Diabetes mellitus (Type 1)
- C Rickets from vitamin D lack
- D Anaemia from iron deficiency
Correct answer: B. Diabetes mellitus (Type 1)
Explanation: Type 1 diabetes mellitus is caused by destruction of pancreatic beta cells, leading to insulin deficiency. Without insulin, glucose cannot enter cells, causing hyperglycaemia. Type 2 diabetes involves insulin resistance.
Concept context
Pathogens, infectious diseases, non-infectious diseases, drugs, cancer, and public health. High NEET importance.