Which communication system is used in mobile phones? MCQ with Answer and Explanation

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Which communication system is used in mobile phones?

A. Telegraph

B. Satellite only

C. Postal system

D. Cellular network

Answer: Option D

Solution (By JKSSB Mock Tests)

Mobile phones operate using cellular networks.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which is the main advantage of expressways over highways?

A. Limited connectivity

B. Controlled access and higher speed

C. Lower speed limits

D. More traffic signals

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Correct Answer: Option B

Explanation:
Expressways are controlled-access roads designed for higher speed travel.

This question belongs to: Geography GK Transport and Communication

Question #2

Which type of road connects villages to nearby towns?

A. State Highways

B. Rural Roads

C. Expressways

D. National Highways

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Correct Answer: Option B

Explanation:
Rural roads connect villages with towns and markets, supporting local transportation.

This question belongs to: Geography GK Transport and Communication

Question #3

Which Indian city is known as the 'Metro Man's city' due to the success of its metro project under E. Sreedharan?

A. Kolkata

B. Mumbai

C. Lucknow

D. Delhi

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Correct Answer: Option D

Explanation:
Delhi Metro's success is closely associated with E. Sreedharan, known as the Metro Man of India.

This question belongs to: Geography GK Transport and Communication

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