All Previous Year Questions

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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 Select the answer using the code given below:

2025, CDS I
2025, CDS I

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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 Select the answer using the code given below: Read More »

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. Select the answer using the code given below:

2025, CDS I
2025, CDS I

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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. Select the answer using the code given below: Read More »

Identify the cloud on the basis of the following characteristics relating to it: I. They look like cotton wool. II. They exist in patches and have flat base. III. They are generally formed at a height of 4 to 7 km. Select the answer using the code given below:

2025, CDS I
2025, CDS I

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Identify the cloud on the basis of the following characteristics relating to it: I. They look like cotton wool. II. They exist in patches and have flat base. III. They are generally formed at a height of 4 to 7 km. Select the answer using the code given below: Read More »

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. Select the answer using the code given below:

2025, CDS I
2025, CDS I

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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. Select the answer using the code given below: Read More »

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. Select the answer using the code given below:

2025, CDS I
2025, CDS I

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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. Select the answer using the code given below: Read More »

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. Select the answer using the code given below:

2025, CDS I
2025, CDS I

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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. Select the answer using the code given below: Read More »

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. Select the answer using the code given below

2025, CDS I
2025, CDS I

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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. Select the answer using the code given below Read More »

Considered 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?

2025, CDS I
2025, CDS I

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Considered 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? Read More »

Consider the following pairs : Country Resource-rich in I. Botswana : Diamond II. Chile : Lithium III. Indonesia : Nickel In how many of the above rows is the given information correctly matched?

2025, UPSC
2025, UPSC

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Consider the following pairs : Country Resource-rich in I. Botswana : Diamond II. Chile : Lithium III. Indonesia : Nickel In how many of the above rows is the given information correctly matched? Read More »

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