NDA
General Ability
General Studies
2026
NDA 2026 (Phase 1)
NDA General Ability Question (2026) — Solution
Question
Consider the following pairs: Layers of Atmosphere Characteristics I. Troposphere Absorbs ultraviolet radiation II. Stratosphere Changes in weather and climate III. Mesosphere Reflects radio waves back to the Earth How many of the pairs given above are correctly matched?
Options
- A. None
- B. One
- C. Two
- D. All the three
Step-by-step solution
The troposphere is the lowest layer of the atmosphere where all changes in weather and climate take place. The given characteristic for the troposphere is incorrect. The stratosphere contains the ozone layer, which absorbs harmful ultraviolet radiation from the sun. The given characteristic for the stratosphere is incorrect. The ionosphere (a part of the thermosphere) contains electrically charged particles called ions, which reflect radio waves back to the Earth. The mesosphere is the layer where meteors burn up upon entering the atmosphere. The given characteristic for the mesosphere is incorrect. Since all three pairs are incorrectly matched, none of the pairs are correct. Answer: None
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