General Science Quiz – 10 Question Drill
TNPSC / SSC / UPSC Exam Practice (English & Tamil)
1. Which vitamin is naturally produced in the human body by sunlight? மனித உடலுக்கு சூரிய ஒளியால் கிடைக்கும் வைட்டமின் எது?
Correct Answer: D) Vitamin D
The skin produces Vitamin D naturally when exposed to ultraviolet B (UVB) rays from the sun.
2. What is the SI unit of Force? விசையின் SI அலகு என்ன?
Correct Answer: B) Newton
The SI unit of force is the Newton (N), named after Sir Isaac Newton. Joule is for energy, and Pascal is for pressure.
3. Which gas is most abundant in the Earth’s atmosphere? பூமியின் வளிமண்டலத்தில் அதிகம் காணப்படும் வாயு எது?
Correct Answer: C) Nitrogen
Nitrogen makes up about 78% of the Earth’s atmosphere, followed by Oxygen at around 21%.
4. Which instrument is used to measure blood pressure? இரத்த அழுத்தத்தை அளவிடப் பயன்படும் கருவி எது?
Correct Answer: C) Sphygmomanometer
A sphygmomanometer is a medical device used to measure blood pressure, consisting of an inflatable cuff and a pressure meter.
5. What is the powerhouse of the cell? செல்லின் ஆற்றல் மையம் என்று அழைக்கப்படுவது எது?
Correct Answer: B) Mitochondria
Mitochondria are known as the powerhouse of the cell because they generate most of the cell’s supply of adenosine triphosphate (ATP).
6. Which acid is naturally present in lemons? எலுமிச்சையில் உள்ள அமிலம் எது?
Correct Answer: B) Citric Acid
Citric acid is a weak organic acid found naturally in citrus fruits, especially lemons and limes.
7. What is the chemical symbol for Gold? தங்கத்தின் வேதியியல் குறியீடு என்ன?
Correct Answer: C) Au
The chemical symbol for gold is Au, which comes from the Latin word ‘Aurum’. Ag is silver, Fe is iron, and Cu is copper.
8. Which part of the human body produces insulin? மனித உடலில் இன்சுலினை உற்பத்தி செய்யும் உறுப்பு எது?
Correct Answer: C) Pancreas
Insulin is a hormone produced by the beta cells in the pancreas that regulates the amount of glucose in the blood.
9. Sound cannot travel through which of the following? ஒலி எதன் வழியாக பயணிக்க முடியாது?
Correct Answer: D) Vacuum
Sound is a mechanical wave that requires a material medium (solid, liquid, or gas) to travel. It cannot pass through a vacuum space.
10. What is the hardest naturally occurring substance on Earth? பூமியில் இயற்கையாக கிடைக்கும் மிகவும் கடினமான பொருள் எது?
Correct Answer: B) Diamond
Diamond is the hardest known natural material, scoring a perfect 10 on the Mohs scale of mineral hardness.
