UPSC 2024 Prelims – all questions

Consider the following statements :

Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation.

Statement-II : Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation.

Which one of the following is correct in respect of the above statements ?

Consider the following statements :

Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles.

Statement-II : At the equator, heat is transported to great heights by strong convectional currents.

Which one of the following is correct in respect of the above statements ?

Consider the following :

1. Pyroclastic debris
2. Ash and dust
3. Nitrogen compounds
4. Sulphur compounds

How many of the above are products of volcanic eruptions ?

Which of the following is/are correct inference/inferences from isothermal maps in the month of January ?

1. The isotherms deviate to the north over the ocean and to the south over the continent.
2. The presence of cold ocean currents, Gulf Stream and North Atlantic Drift make the North Atlantic Ocean colder and the isotherms bend towards the north.

Select the answer using the code given below :

Which of the following countries are well known as the two largest cocoa producers in the world ?

With reference to the Himalayan rivers joining the Ganga downstream of Prayagraj from West to East, which one of the following sequences is correct ?

Consider the following statements :

Statement-I : Rainfall is one of the reasons for weathering of rocks.

Statement-II : Rain water contains carbon dioxide in solution.

Statement-III : Rain water contains atmospheric oxygen.

Which one of the following is correct in respect of the above statements ?

Consider the following countries :

1. Finland
2. Germany
3. Norway
4. Russia

How many of the above countries have a border with the North Sea ?

Consider the following information : Waterfall | Region | River

1. | Dhuandhar | Malwa | Narmada
2. | Hundru | Chota Nagpur | Subarnarekha
3. | Gersoppa | Western Ghats | Netravati In how many of the above rows is the given information correctly matched ?

Consider the following information : Region | Name of the mountain range | Type of mountain

1. | Central Asia | Vosges | Fold mountain
2. | Europe | Alps | Block mountain
3. | North America | Appalachians | Fold mountain
4. | South America | Andes | Fold mountain In how many of the above rows is the given information correctly matched ?

Consider the following airports :

1. Donyi Polo Airport
2. Kushinagar International Airport
3. Vijayawada International Airport In the recent past, which of the above have been constructed as Greenfield projects ?

With reference to “water vapour”, which of the following statements is/are correct ?

1. It is a gas, the amount of which decreases with altitude.
2. Its percentage is maximum at the poles.

Select the answer using the code given below :

Consider the following description :

1. Annual and daily range of temperatures is low.
2. Precipitation occurs throughout the year.
3. Precipitation varies between 50 cm – 250 cm.

What is this type of climate ?

With reference to “Coriolis force”, which of the following statements is/are correct ?

1. It increases with increase in wind velocity.
2. It is maximum at the poles and is absent at the equator.

Select the answer using the code given below :

On June 21 every year, which of the following latitude(s) experience(s) a sunlight of more than 12 hours ?

1. Equator
2. Tropic of Cancer
3. Tropic of Capricorn
4. Arctic Circle

Select the correct answer using the code given below :

One of the following regions has the world’s largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region ?

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements :

1. PFAS are found to be widespread in drinking water, food and food packaging materials.
2. PFAS are not easily degraded in the environment.
3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies.

Which of the statements given above are correct ?

Consider the following :

1. Carabid beetles
2. Centipedes
3. Flies
4. Termites
5. Wasps Parasitoid species are found in how many of the above kind of organisms ?

Consider the following plants :

1. Groundnut
2. Horse-gram
3. Soybean

How many of the above belong to the pea family ?

Consider the following statements :

Statement-I : The Indian Flying Fox is placed under the “vermin” category in the Wild Life (Protection) Act, 1972.

Statement-II : The Indian Flying Fox feeds on the blood of other animals.

Which one of the following is correct in respect of the above statements ?

The organisms "Cicada, Froghopper and Pond skater" are :

Consider the following statements :

Statement-I : Many chewing gums found in the market are considered a source of environmental pollution.

Statement-II : Many chewing gums contain plastic as gum base.

Which one of the following is correct in respect of the above statements ?

Consider the following pairs :

1. 2. 3.

How many of the pairs given above are correctly matched ?

Consider the following statements regarding World Toilet Organization : 1. 2. organization, to inspire action to tackle the global sanitation crisis. 3. developing countries to achieve the end of open defecation.

Which of the statements given above is/are correct ?

Consider the following statements : 1. 2. 3.

Which of the statements given above are correct ?

Which one of the following is the correct description of "100 Million Farmers" ?

Consider the following : 1. 2. 3. 4.

How many of the above are considered "Distributed Energy Resources" ?

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?

Consider the following : 1. 2. 3.

How many of the above have poisonous species among them ?

Consider the following : 1. 2. 3.

How many of the above trees are actually native to India ?

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements : 1. 2. 3.

Which of the statements given above are correct ?

Consider the following statements :

Statement-I : Giant stars live much longer than dwarf stars.

Statement-II : Compared to dwarf stars, giant stars have a greater rate of nuclear reactions.

Which one of the following is correct in respect of the above statements ?

Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow ?

Consider the following activities : 1. 2. 3. In how many of the above activities can the radars be used ?

Consider the following aircraft : 1. 2. 3.

How many of the above are considered fifth generation fighter aircraft ?

In which of the following are hydrogels used ? 1. 2. 3.

Select the correct answer using the code given below :

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?

Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following ?

"Membrane Bioreactors" are often discussed in the context of :

With reference to the Indian economy, "Collateral Borrowing and Lending Obligations" are the instruments of :

The total fertility rate in an economy is defined as :

Consider the following statements : 1. window of the Reserve Bank of India. 2. 3.

Which of the statements given above is/are correct ?

In India, which of the following can trade in Corporate Bonds and Government Securities ?

1. Insurance Companies
2. Pension Funds
3. Retail Investors

Select the correct answer using the code given below :

Consider the following :

1. Exchange-Traded Funds (ETF)
2. Motor vehicles
3. Currency swap

Which of the above is/are considered financial instruments ?

With reference to the sectors of the Indian economy, consider the following pairs : Economic activity | Sector

1. Storage of agricultural produce | Secondary
2. Dairy farm | Primary
3. Mineral exploration | Tertiary
4. Weaving cloth | Secondary

How many of the pairs given above are correctly matched ?

Consider the following materials :

1. Agricultural residues
2. Corn grain
3. Wastewater treatment sludge
4. Wood mill waste

Which of the above can be used as feedstock for producing Sustainable Aviation Fuel ?

With reference to physical capital in Indian economy, consider the following pairs : Items | Category

1. Farmer's plough | Working capital
2. Computer | Fixed capital
3. Yarn used by the weaver | Fixed capital
4. Petrol | Working capital

How many of the above pairs are correctly matched ?

Which one of the following words/phrases is most appropriately used to denote “an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items” ?

With reference to the rule/rules imposed by the Reserve Bank of India while treating foreign banks, consider the following statements :

1. There is no minimum capital requirement for wholly owned banking subsidiaries in India.
2. For wholly owned banking subsidiaries in India, at least 50% of the board members should be Indian nationals.

Which of the statements given above is/are correct ?

With reference to Corporate Social Responsibility (CSR) rules in India, consider the following statements :

1. CSR rules specify that expenditures that benefit the company directly or its employees will not be considered as CSR activities.
2. CSR rules do not specify minimum spending on CSR activities.

Which of the statements given above is/are correct ?