What is the role of a 'Sensor' in technology? MCQ with Answer and Explanation

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What is the role of a 'Sensor' in technology?

A. To generate power

B. To display images

C. To detect and respond to physical input

D. To store personal passwords

Answer: Option C

Solution (By JKSSB Mock Tests)

A sensor detects changes in an environment and produces an output, often used in automation.

This question belongs to: Static General Knowledge Science and Technology

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The first atomic reactor in India was:

A. Apsara

B. Rajasthan

C. Tarapur

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Correct Answer: Option A

Explanation:
Apsara was India's first research reactor.

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India's first manned space mission is expected around:

A. 2019

B. 2025-2026

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Correct Answer: Option B

Explanation:
Gaganyaan is targeted for 2025-2026.

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Question #3

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

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D. None, it was discovered earlier

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Correct Answer: Option D

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

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