Biology : Human Health And Diseases

Q 7 / 15

UPSC CSE Prelims 2004

Consider the following statements:

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

Which of the statements given above are correct?

EXPLANATION

Correct Option

Statement 1: The femur, commonly known as the thigh bone, is the longest and strongest bone in the human body. It extends from the hip to the knee, playing a crucial role in supporting body weight and facilitating locomotion.

Statement 2: Cholera is an acute diarrhoeal disease caused by the bacterium Vibrio cholerae. This bacterium infects the small intestine, leading to severe watery diarrhoea, vomiting, and dehydration.

Incorrect Options

Statement 3: Athlete's foot is a common fungal infection of the skin, primarily caused by dermatophytes, such as species from the genus Trichophyton. It is not caused by a virus. The infection typically affects the skin between the toes and can spread to other areas of the foot.

Options B, C, and D are incorrect because Statement 3 is factually inaccurate.

SOURCENCERT Class 11 Biology Chapter 20: Locomotion and Movement, NCERT Class 12 Biology Chapter 8: Human Health and Disease