Gaganyaan is India's planned: MCQ with Answer and Explanation

Gaganyaan is India's planned:

A. Mars mission

B. Satellite navigation system

C. Human spaceflight programme

D. Lunar rover

Answer: Option C

Gaganyaan aims to send Indian astronauts to space.

This question belongs to: Static General Knowledge Science and Technology

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Question #1 Report Error

Which technology allows the transmission of data through light?

A. Wi-Fi

B. Bluetooth

C. Li-Fi

D. Zigbee

Correct Answer: Option C

Explanation:
Li-Fi (Light Fidelity) uses light waves from LED bulbs to transmit data at high speeds.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What technology is used in LiDAR?

A. Laser light

B. Sound waves

C. Magnetic fields

D. Radio waves

Correct Answer: Option A

Explanation:
LiDAR uses laser pulses to measure distances and create 3D maps.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

What is the use of mRNA in vaccines?

A. To provide live virus

B. To produce spike protein

C. To kill virus

D. To provide antibodies

Correct Answer: Option B

Explanation:
mRNA vaccines instruct cells to produce antigen.

This question belongs to: Static General Knowledge Science and Technology