What is the boiling point of water in Celsius? MCQ with Answer and Explanation

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What is the boiling point of water in Celsius?

A. 80°C

B. 110°C

C. 90°C

D. 100°C

Answer: Option D

Solution (By JKSSB Mock Tests)

Water boils at 100°C at sea level.

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Question #1

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Which Indian scientist is known for the development of the smallpox vaccine?

A. Dr. Edward Jenner

B. None, it was discovered earlier

C. Dr. Hargobind Khorana

D. Dr. Y. Subba Row

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Correct Answer: Option B

Explanation:
Edward Jenner developed the smallpox vaccine; Indian contributions are notable in other vaccines.

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Question #2

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What is 'Encryption' used for in web browsing?

A. Changing the page color

B. Storing browser history

C. Making the web page load faster

D. Securing the connection (HTTPS)

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Correct Answer: Option D

Explanation:
HTTPS uses encryption (SSL/TLS) to ensure secure communication over the web.

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Question #3

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The Mangalyaan mission was launched using:

A. PSLV

B. Ariane

C. GSLV

D. Falcon

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Correct Answer: Option A

Explanation:
PSLV-C25 launched the Mars Orbiter Mission.

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