Which organ in the human body is primarily responsible for blood filtration? MCQ with Answer and Explanation

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Which organ in the human body is primarily responsible for blood filtration?

A. Lungs

B. Kidneys

C. Liver

D. Heart

Answer: Option B

Solution (By JKSSB Mock Tests)

The kidneys filter blood to remove waste and excess water, producing urine.

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What is the chemical symbol for Potassium?

A. P

B. Po

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Correct Answer: Option C

Explanation:
The symbol for potassium is K, from the medieval Latin 'kalium'.

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Question #2

The inventor of the printing press was:

A. Thomas Edison

B. James Watt

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Correct Answer: Option D

Explanation:
Johannes Gutenberg invented the movable type printing press.

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What is the SI unit of length?

A. Centimeter

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Correct Answer: Option B

Explanation:
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