Which of these is a greenhouse gas? MCQ with Answer and Explanation

Which of these is a greenhouse gas?

A. Oxygen

B. Nitrogen

C. Argon

D. Methane

Answer: Option D

Methane is a significant contributor to the greenhouse effect.

This question belongs to: Static General Knowledge Science and Technology

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Question #1 Report Error

Which Indian satellite system provides TV and communication services?

A. Oceansat

B. RISAT

C. INSAT

D. IRNSS

Correct Answer: Option C

Explanation:
INSAT is India's multipurpose satellite system.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What is the full form of CDMA?

A. Code Division Mobile Access

B. Code Division Multiple Access

C. Common Division Mobile Access

D. Central Division Multiple Access

Correct Answer: Option B

Explanation:
CDMA is a mobile communication technology.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

Which acid is present in the human stomach?

A. Nitric acid

B. Citric acid

C. Hydrochloric acid

D. Sulfuric acid

Correct Answer: Option C

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

This question belongs to: Static General Knowledge Science and Technology