What is 'Encryption' used for? MCQ with Answer and Explanation

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What is 'Encryption' used for?

A. To print 3D documents

B. To secure data by converting it into a coded format

C. To make computers faster

D. To increase storage capacity

Answer: Option B

Solution (By JKSSB Mock Tests)

Encryption encodes data so that only authorized parties can read it.

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Question #1

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Which acid is present in the human stomach?

A. Citric acid

B. Hydrochloric acid

C. Sulfuric acid

D. Nitric acid

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Correct Answer: Option B

Explanation:
Hydrochloric acid (HCl) is secreted by the stomach to aid digestion.

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Question #2

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What is the ph value of pure water?

A. 7

B. 9

C. 5

D. 10

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Correct Answer: Option A

Explanation:
A pH of 7 is neutral, which is the value for pure water.

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Question #3

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The Human Genome Project was completed in:

A. 2001

B. 1999

C. 2003

D. 2005

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Correct Answer: Option C

Explanation:
The project was declared complete in 2003.

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