Correct answer: Deoxyribonucleic acid. DNA (deoxyribonucleic acid) carries genetic instructions in living organisms.

General Science MCQ

Correct answer: Mitochondrion. Mitochondria produce ATP, the cell's energy currency.

Correct answer: Vacuum. Sound needs a medium; in a vacuum there are no particles to carry the vibration.

Correct answer: 7. A pH of 7 is neutral; below 7 is acidic, above 7 is basic.

Correct answer: Newton's Third Law. Newton's Third Law describes action-reaction force pairs.

Physics, chemistry and biology questions for competitive exams.

Q11. The powerhouse of the cell is the: Easy

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Q12. Sound cannot travel through: Easy

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Q13. The pH of a neutral solution at 25°C is: Easy

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Q14. DNA stands for: Easy

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Q15. Which law states that every action has an equal and opposite reaction? Easy

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