What is the SI unit of mass? MCQ with Answer and Explanation

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What is the SI unit of mass?

A. Gram

B. Pound

C. Milligram

D. Kilogram

Answer: Option D

Solution (By JKSSB Mock Tests)

The kilogram (kg) is the base SI unit of mass.

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What does the term 'AI' stand for in the context of technology?

A. Advanced Integration

B. Artificial Intelligence

C. Automated Intelligence

D. Applied Information

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Correct Answer: Option B

Explanation:
Artificial Intelligence refers to the simulation of human intelligence in machines.

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Question #2

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The Wright Brothers are known for inventing:

A. Airplane

B. Rocket

C. Submarine

D. Helicopter

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Correct Answer: Option A

Explanation:
They achieved the first powered, controlled flight in 1903.

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Question #3

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Which element is essential for bones?

A. Sodium

B. Magnesium

C. Calcium

D. Potassium

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Correct Answer: Option C

Explanation:
Calcium is the primary mineral component of bones and teeth.

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