Q. Consider the following:

1. Femur is the longest bone in the human body.
2. Cholera is a disease caused by bacteria.
3. Athlete's foot is a disease caused by virus.

Which of the above statements is / are correct? (UPSC Prelims 2004)
Answer: Only 1 and 2
Notes: The femur is the body's longest and strongest bone, forming the thigh. Cholera is a bacterial disease caused by Vibrio cholerae. Athlete's foot, however, is a fungal infection caused by fungi such as Trichophyton, not a viral disease. Therefore, only statements 1 and 2 are correct.