Which of the following diseases is not transmitted by an insect?
A
Kala-azar
B
Beriberi
C
Malaria
D
Plague
Correct Option:
B
Explanation
The question is better read as: "Which disease is not transmitted by an insect?" Beriberi is caused by vitamin B₁ (thiamine) deficiency, whereas malaria, plague, and kala-azar have insect vectors. (Testbook)
