321 What is the SI unit of power?
Explanation
The Watt (W) is the SI unit of power, equal to one joule per second
Last verified on 25-09-2026
General Knowledge MCQs
750 MCQs is category mein available hain.
All MCQs in General Knowledge
322 Which gas is most abundant in the Earth’s atmosphere?
Explanation
Nitrogen makes up about 78% of the Earth's atmosphere, making it the most abundant gas
Last verified on 25-09-2026
323 How many lobes does the right lung have?
Explanation
The right lung has 3 lobes, while the left lung has 2 lobes (to accommodate the heart)
Last verified on 25-09-2026
324 What is the SI unit of electric current?
Explanation
The Ampere (A) is the SI unit of electric current
Last verified on 25-09-2026
325 Which gas is essential for the process of photosynthesis in plants?
Explanation
Plants absorb carbon dioxide from the atmosphere and use it, along with sunlight and water, to produce food through photosynthesis
Last verified on 25-09-2026
326 Which blood vessels carry blood away from the heart?
Explanation
Arteries carry oxygen-rich blood away from the heart to the rest of the body
Last verified on 25-09-2026
327 What is the SI unit of temperature?
Explanation
The Kelvin (K) is the SI base unit of thermodynamic temperature
Last verified on 25-09-2026
328 What is the process by which plants make their own food using sunlight called?
Explanation
Photosynthesis is the process by which green plants convert sunlight, water, and carbon dioxide into food (glucose) and oxygen
Last verified on 25-09-2026
329 Which blood vessels carry blood back to the heart?
Explanation
Veins carry deoxygenated blood from the body back to the heart
Last verified on 25-09-2026
330 What is the approximate speed of light in a vacuum?
Explanation
The speed of light in a vacuum is approximately 3 x 10^8 meters per second
Last verified on 25-09-2026