General Science MCQ

Correct answer: 100°C. At standard atmospheric pressure water boils at 100°C (212°F).

Correct answer: Au. Gold's symbol Au comes from its Latin name 'aurum'; Ag is silver.

Correct answer: Carbon dioxide. Plants take in CO2 and release oxygen during photosynthesis.

Correct answer: 206. An adult human skeleton typically has 206 bones.

Correct answer: 300,000 km/s. The speed of light is about 299,792 km per second, commonly rounded to 300,000 km/s.

Physics, chemistry and biology questions for competitive exams.

Q1. Water boils at what temperature at sea level? Easy

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Q2. The chemical symbol for gold is: Easy

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Q3. Which gas do plants absorb during photosynthesis? Easy

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Q4. The human body has how many bones in adulthood? Easy

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Q5. Light travels at approximately what speed in a vacuum? Easy

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Q6. Which vitamin is produced in human skin when exposed to sunlight? Easy

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Q7. The most abundant gas in Earth's atmosphere is: Easy

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Q8. Which blood group is called the universal donor? Medium

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Q9. The SI unit of electric current is the: Easy

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Q10. Which planet is known as the Red Planet? Easy

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