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Q101
(CDS-II/2023)
Geography › World Physical Geography › Atmospheric moisture
Answer Verified
Which of the following is the correct order of clouds in ascending order (lowest to highest) of height from surface? 1. Cirrocumulus 2. Nimbostratus 3. Cirrus 4. Altostratus
Result
Your answer:
—
·
Correct:
B
Explanation
Clouds are classified by altitude into low, middle, and high levels. Nimbostratus is a low-level cloud, typically occurring below 6,500 feet [2]. Altostratus is a middle-level cloud, with bases ranging from 6,500 to 23,000 feet [4]. High-level clouds, which form above 20,000 feet, include Cirrocumulus and Cirrus [4]. Within the high-level family, Cirrus clouds are generally the highest, forming at altitudes of 8,000 to 12,000 meters (approximately 26,000 to 40,000 feet) [3]. Therefore, the correct ascending order from the surface is Nimbostratus (low), Altostratus (middle), Cirrocumulus (high), and Cirrus (highest) [4]. This sequence corresponds to the order 2, 4, 1, 3 as provided in the options.
Sources
- [1] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 24: Hydrological Cycle (Water Cycle) > Types of Clouds > p. 335
- [2] https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC%2000-6A%20Chap%207-9.pdf
- [4] https://www.weather.gov/lmk/cloud_classification
- [3] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 24: Hydrological Cycle (Water Cycle) > Cirrus Clouds > p. 333
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