Geography - MOST IMPORTANT CDS Previous Year Questions
Practice real questions from previous year exams of CDS.
π Earthquakesπ Waves- P, S, Body, Surface
Q1
Consider the following statements with reference to Secondary waves (S-Waves) generated during an earthquake :
1. They create troughs and crests in the material through which they pass.
2. The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane.
Which of the statements given above is/are correct?
π― UPSC CDS - I 2025
π Geomorphology- Mineralsπ Non-metallic Minerals
Q2
Identify the Mineral on the basis of the following characteristics relating to it :
I. It is usually a greenish crystal.
II. It is often found in basaltic rocks.
III. Magnesium, iron and silica are its major elements.
π― UPSC CDS - I 2025
π Geomorphic Processes- Exogenic Forcesπ Weathering- Physical, Chemical, Biological
Q3
Which of the following statements with reference to Salt Weathering is/are correct?
1. Salt crystallisation is the most effective of all the salt weathering processes.
2. Salt crystal growth is more effective over sedimentary rocks as compared to igneous rocks.
π― UPSC CDS - I 2025
π Atmosphere: Composition and Structureπ Concept of Temperature Inversion
Q4
Which of the following statements with reference to Surface inversion of temperature is/are correct?
1. It causes instability in the lower layers of the atmosphere.
2. This inversion commonly lasts for a few hours until the Sun comes up.
π― UPSC CDS - I 2025
π World Climates (Koppen's Classification)π The Savanna or Sudan Climate
Q5
Identify the type of climate on the basis of the following characteristics relating to it :
I. Temperature is high throughout the year.
II. Rainfall is variable with a short wet season and a longer dry season.
III. Climate of Sudan and Paraguay is an example of this climate type.
π― UPSC CDS - I 2025
π Properties of Ocean Waterπ Vertical and Horizontal Distribution of Ocean Salinity
Q6
What is the correct sequence of the following salts in ascending order according to their presence in the sea water?
1. Calcium Carbonate
2. Calcium Sulphate
3. Magnesium Chloride
π― UPSC CDS - I 2025
π Soil Systemsπ Factors and Processes of Soil Formation
Q7
Which of the following statements with reference to Humus is/are correct?
1. It is a dark coloured amorphous substance.
2. Being colloidal in nature, it serves as a reservoir of nutrients.
π― UPSC CDS - I 2025
π National Parks, Sanctuaries, and Reserves of Indiaπ Biosphere Reserves
Q8
Which one among the following Biosphere Reserves is spread over three states in India?
π― UPSC CDS - I 2025
π Major World Landforms (Factual Examples)π Globally significant Rivers and Lakes
Q9
River Danube does not flow through which one of the following capital cities in Europe ?
π― UPSC CDS - I 2025
π Regional World Geographyπ Africa
Q10
Which one among the following is home to the endangered mountain gorillas in Africa ?
π― UPSC CDS - I 2025
π Regional World Geographyπ Asia
Q11
Which of the following statements with reference to Jordan is/are correct?
1. The country of Jordan was created through the British Mandate after World War I.
2. It is a landlocked country.
π― UPSC CDS - I 2025
π Regional World Geographyπ Asia
Q12
Which one among the following places is situated close to the Pearl River Estuary in Asia?
π― UPSC CDS - I 2025
π Regional World Geographyπ Australia (Oceania)
Q13
Consider the following statements with regard to Australia :
1. The Coral Sea separates the Great Barrier Reef from the South Pacific.
2. The Great Dividing Range extends from Melbourne to Perth in Australia.
Which of the statements given above is/are correct?
π― UPSC CDS - I 2025
π Physiography of Indiaπ Himalayas- North-South Division
Q14
What is the correct sequence of the following mountain ranges as one moves from North towards South?
1. Karakoram
2. Kunlun
3. Ladakh
4. Zaskar
π― UPSC CDS - I 2025
π Soil of Indiaπ Saline (Alkaline) Soil
Q15
Which of the following statements with reference to saline soil in India is/are correct?
1. They are rich in nitrogen.
2. They occur in arid and semi-arid regions, and in waterlogged and swampy areas.
π― UPSC CDS - I 2025
π Irrigation and River Valley Projectsπ River Valley Projects
Q16
Salal Power Project is situated on which one among the following rivers ?
π― UPSC CDS - I 2025
π The Indus river systemπ Misc
Q17
Which one among the following tributaries of Indus River does not originate in the Himalayas ?
π― UPSC CDS - I 2025
π Important Boundaries and Lines of the Worldπ Important Borders
Q18
The 'Durand Line' is a border demarcation that separates which of the following countries?
π― UPSC CDS - II 2025
π Ocean Floor Reliefπ Misc
Q19
Amsterdam-St. Paul Plateau is located in which one of the following oceanic regions?
π― UPSC CDS - II 2025
π Major World Landforms (Factual Examples)π Globally significant Rivers and Lakes
Q20
Which one of the following pairs of City and Lake is not correctly matched?
(a) Buffalo : Erie
(b) Detroit : Superior
(c) Milwaukee : Michigan
(d) Toronto : Ontario
π― UPSC CDS - II 2025
