Which communication technology is widely used in smartwatches for connecting to smartphones? MCQ with Answer and Explanation

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Which communication technology is widely used in smartwatches for connecting to smartphones?

A. DTH

B. Bluetooth

C. VSAT

D. FM

Answer: Option B

Solution (By JKSSB Mock Tests)

Bluetooth enables wireless communication between smartwatches and smartphones.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which port is located on the west coast of India in Karnataka?

A. Chennai Port

B. Mangalore Port

C. Paradip Port

D. Kandla Port

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Correct Answer: Option B

Explanation:
Mangalore Port is an important deep-water port located in Karnataka on the west coast.

This question belongs to: Geography GK Transport and Communication

Question #2

Which transport system is most economical for bulk goods over oceans?

A. Roadways

B. Waterways

C. Airways

D. Railways

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Correct Answer: Option B

Explanation:
Water transport is the cheapest mode for bulk international trade.

This question belongs to: Geography GK Transport and Communication

Question #3

Which transport system uses cables and ropes?

A. Airways

B. Cable cars

C. Railways

D. Roadways

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Correct Answer: Option B

Explanation:
Cable cars use ropeways and are commonly used in mountainous regions.

This question belongs to: Geography GK Transport and Communication

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