🔬 Science & TechnologyUPSC 2004Space & Space Technology

Consider the following statements: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 statements given above are correct?

a1 and 2
b2 and 3
c1 and 3
d1, 2 and 3
✓ Correct answer: a) 1 and 2
ExplanationStatement 1 is correct: The femur, or thigh bone is the longest and strongest bone in the human body.It stretches from the hip to the knee and provides crucial support and stability,allowing us to walk, run, and jump.The femur can withstand forces up to 816–1,134 kg before breaking, making it one of the strongest structures in our skeletal system.Statement 2 is correct: Cholera is a severe bacterial infection caused by Vibrio cholerae.It spreads mainly through contaminated water or food, leading to acute diarrhea and dehydration.In extreme cases a person with can lose up to 20 liters of fluid per day making rapid treatment with rehydration therapy essential.Statement 3 is incorrect: Athlete’s foot (Tinea Pedis) is not caused by a virus, but by fungal infection.Dermatophyte fungi thrive in warm, damp environments like locker rooms, swimming pools, and sweaty shoes.The infection causes itchy, peeling, and cracked skin between the toes, making it a common concern among athletes and hence the name.449

Practice more Science PYQs

Attempt a free 10-question quiz or browse the full Science & Technology previous-year-question bank with instant answers and explanations.

🔬 Science PYQs →