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📄 All MCQs — Page 19
217–228 of 322
Q217 🔬 Everyday Science NTS PPSC
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Oscillations per second?
💡 Explanation: Frequency definition
Q218 🔬 Everyday Science NTS PPSC
🔗
Gunpowder is mixture of?
💡 Explanation: Correct mixture
Q219 🔬 Everyday Science NTS PPSC
🔗
Mitochondria contain?
💡 Explanation: Own DNA
Q220 🔬 Everyday Science NTS PPSC
🔗
Powerhouse of cell?
💡 Explanation: Energy source
Q221 🔬 Everyday Science NTS PPSC
🔗
During photosynthesis plants?
💡 Explanation: Use CO2
Q222 🔬 Everyday Science NTS PPSC
🔗
AC to DC device?
💡 Explanation: Rectifier
Q223 🔬 Everyday Science NTS PPSC
🔗
Fourth state matter?
💡 Explanation: Plasma state
Q224 🔬 Everyday Science NTS PPSC
🔗
Acid rain caused by?
💡 Explanation: Pollution gases
Q225 🔬 Everyday Science NTS PPSC
🔗
Earth water coverage?
💡 Explanation: ~70%
Q226 🔬 Everyday Science NTS PPSC
🔗
Founder meteorology?
💡 Explanation: Father of field
Q227 🔬 Everyday Science NTS PPSC
🔗
Wind energy type?
💡 Explanation: Moving air
Q228 🔬 Everyday Science NTS PPSC
🔗
Food energy measured in?
💡 Explanation: Nutrition unit