India's first earth observation satellite was: MCQ with Answer and Explanation

India's first earth observation satellite was:

A. Cartosat-1

B. RISAT-1

C. IRS-1A

D. Bhaskara

Answer: Option C

IRS-1A was launched in 1988.

This question belongs to: Static General Knowledge Science and Technology

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Question #1 Report Error

What is 'Augmented Reality'?

A. Blockchain ledger

B. AI chat

C. Complete virtual environment

D. Overlaying digital information on real world

Correct Answer: Option D

Explanation:
AR enhances the real world with computer-generated elements.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

The first Indian to receive Nobel Prize was:

A. C.V. Raman

B. Mother Teresa

C. Rabindranath Tagore

D. Amartya Sen

Correct Answer: Option C

Explanation:
Rabindranath Tagore won in Literature in 1913.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

What technology powers contact tracing apps like Aarogya Setu?

A. Bluetooth and GPS

B. Only Wi-Fi

C. LiDAR

D. Only NFC

Correct Answer: Option A

Explanation:
Bluetooth is primarily used for proximity detection.

This question belongs to: Static General Knowledge Science and Technology