CAPF AC 2021 Paper I

The time elapsed between viewing a lightning flash and hearing the thunder of a cloud is 10 s. If the speeds of sound and light in air are 330 m/s and 3 × 10^8 m/s respectively, how far away is the storm?

What is the approximate wavelength of violet light in air?

Which electromagnetic radiation(s) is/are used to cook food?

Which one of the following statements with regard to a short-sighted person is correct?

Which one of the following organelles is not found in animal cells?

Which one of the following plant tissues has large air spaces?

Which one of the following is not a connective tissue?

Which one of the following organisms belongs to the kingdom Monera?

Which one of the following diseases does not transmit through fine droplets coming out from mouth or nose of an infected person?

Which one of the following is not a breakdown product of glucose during respiration?

Which one of the following is an example of endothermic reaction? (a) CaO(s) + H2O(l) → Ca(OH)2(aq) (b) CaCO3(s) → CaO(s) + CO2(g) (c) C(s) + O2(g) → CO2(g) (d) CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)

Packets of potato chips are usually flushed with which one of the following gases to prevent rancidity?

According to early Indian philosophers, what are the basic elements described in Pancha Tattva?

A milkman adds a small amount of baking soda to milk. This makes the pH of the milk

Which one of the following metal oxides does not usually react with sodium hydroxide?

When calcium metal reacts with sulphuric acid, the reaction stops after a short while. Why?

When a white light beam is made to fall on a hollow prism filled with water, it breaks into seven constituent colours. Which of the following colours suffers the maximum angle of deviation?

Which one among the following is not a luminous object?

Let an electric current of 1.5 A flow through an incandescent lamp in a circuit. What is the amount of charge that flows through it in 10 ms?

Which one among the following is not a renewable energy source?

Which one of the following is not a function of chlorophyll?

Which one of the following statements about life processes in single-celled organisms is not correct?

Which one of the following organisms does not possess notochord at any stage of its life cycle?

Which one of the following pairs is not correctly matched?

Which one of the following metals does not react with oxygen, water or acids?

Which one of the following metals produces hydrogen with cold water?

Manganese is extracted by heating manganese dioxide with aluminium powder. Which one of the following statements with regard to the reaction is correct?

Which one of the following properties decreases across the periodic table from left to right and increases from top to bottom?

Which one of the following statements about production possibility frontier is not correct?

How is the magnitude of price elasticity for an individual good determined?

1. By the degree to which the good is a necessity or luxury
2. By the extent to which substitutes are available
3. By the rate of income growth in the economy
4. By the relative importance of the good in the consumer's budget Select the correct answer using the code given below.

Which one of the following functions as an automatic stabilizer in the context of fiscal and monetary policies of an economy?

Broadly both birth and death rates are low in which one of the following stages of demographic transition model?

Which one of the following is a pull factor for migration?

What is the depression at the top of a volcano following a volcanic eruption called?

The speed of the wind is measured by

In the course of a river, in time, which one of the following features is formed when the old meander is closed off by deposition?

Most of the mature Harappan sites in the region of Cholistan had been abandoned during

Madhyamika Karika, the basic text of Madhyamika School, was composed by

Which one of the following pairs of authors and Sanskrit literary works is not correctly matched?

The Mauryan capital of Pataliputra has been associated with the archaeological remains of

The Satavahanas are identified in the Puranas by which one of the following epithets?

Which one of the following powers of the Supreme Court is also conferred on a High Court?

The Constitution of India does not guarantee which one of the following as a fundamental right?

Which one of the following statements about the Supreme Court is not correct?

Which one of the following statements about Public Accounts Committee is correct?

Who can be appointed as a Judge of the Supreme Court?

Eight metallic balls of one centimetre radius each are melted into one ball. The diameter of the new ball is

The ratio of monthly incomes of A and B is 7 : 10. The ratio of their expenditures is 2 : 3. If each of A and B saves ₹1,000 per month, then what will be the monthly income of B?

A and B together can finish a job in 20 days. B and C together can finish the same job in 30 days. If A and C together can finish it in 24 days, in how many days can A alone finish the job?

A tree is at present 9 feet tall. If every year it grows 1⁄3 of its height, what will be the height of the tree after three years?

If first March of a year is Sunday, which day will be the first February of the next year?

Which one among the following statements is not correct?

The amount by which the equilibrium level of real GDP exceeds the full employment level of GDP is called

For anything to be recognized as money, it needs to have which of the following characteristics?

1. Act as an intermediate in the exchange process
2. Standard unit for quoting prices
3. Must be easily divisible
4. Have higher value in alternative uses Select the correct answer using the code given below.

The sectoral shares of Gross Value Added (GVA) for the year 2009-10 to 2018-19 show that the share of service sector in GVA in India has increased over the years. Which among the following have driven the maximum increase?

On the basis of employment conditions, the economy is divided into

Which one of the following is not a type of chemical weathering?

Match List-I with List-II and select the correct answer using the code given below the Lists: List-I (Fold Mountain) A. Ural B. Appalachians C. Drakensberg D. Andes List-II (Country/Continent)

1. South America
2. South Africa
3. Russia
4. North America

Which of the following main types of iron ores are found in India?

1. Haematite
2. Magnetite
3. Limonite
4. Siderite Select the correct answer using the code given below.

Where is Asan Conservation Reserve located?

Consider the following statements:

1. The early Sikh Gurus were religious preachers and did not interfere in politics but Guru Arjan extended his good wishes for the rebel prince Khusrau.
2. Guru Arjan attempted to organize the finances by introducing the system of more or less compulsory "spiritual tribute" to be collected by his agents called Masands. Which of the statements given above is/are correct?

Qutb Minar was originally four-storied. Who among the following Delhi Sultans raised the height of the structure by adding the fifth storey?

Which one of the following pairs of Deccan Sultanates and their respective regions is not correctly matched?

Consider the following statements:

1. Under Akbar, the system of Zabt was established over a large area from Punjab to Awadh.
2. In the seventeenth century North India, the system of Zabt lost much ground to the system of Kankut. Which of the statements given above is/are correct?

Who among the following warned his colleagues that the Constituent Assembly was British made and was "working the British plan as the British should like it to be worked out"?

Who among the following fixes the date of election of the Speaker of the Lok Sabha?

Which one of the following statements about 'personal liberty' is not correct?

Which one of the following statements with regard to the Directive Principles of State Policy is not correct?

Which one of the following statements with regard to the Preamble to the Constitution of India is not correct?

The Electoral College for electing the President of India does not include which of the following?

1. All elected members of the Rajya Sabha
2. All elected members of the Legislative Assemblies of States
3. All members of the Legislative Councils of States Select the correct answer using the code given below.

A, B and C start a business by investing ₹7,000, ₹8,000 and ₹12,000 respectively. After a year, B gets ₹3,200 as his share of profit. What is the total profit?

In a stock clearance sale, a shopkeeper gives 40% off on all his items. He incurs a loss of 25% by selling an item of marked price ₹2,000. Which one of the following is the cost price of this item?

The average age of Raj and his father is 45 years. If the ages of the father and the grandfather of Raj are respectively two and three times that of Raj, then the age of Raj's grandfather is

The smallest number which when added to 10000 becomes divisible by 20, 24 and 30 is

Suppose the nth term of a series is 1 + n/2 + n²/2. If there are 20 terms in the series, then the sum of the series is equal to

How many different words, with or without meaning, can be formed by using the letters of the word COVID?

The widespread deaths due to starvation and epidemics are the characteristics of

The price declared by the Government every year before the sowing season to provide incentives to the farmers is called

Caves, arches, stacks and stumps are the landscape features of which one of the following?

Which of the following statements about tropical rain forests are correct?

1. The soils of tropical rain forests are quite infertile.
2. The vegetation is evergreen, enabling photosynthesis to take place year around.
3. They have been described as 'deserts covered by trees'.
4. They are most productive land-based ecosystem. Select the correct answer using the code given below.

In which one of the following soils, the salt content is so high that common salt is obtained by evaporating the saline water in some areas?

Which of the following statements about Akbar are correct?

1. In 1560s, Akbar had the Fort of Agra constructed.
2. In 1570s, Akbar decided to build a new capital at Fatehpur Sikri.
3. Akbar also commissioned a white marble tomb of Shaikh Salim Chishti at Sikri.
4. In 1585, Akbar decided to shift the capital back to Agra. Select the correct answer using the code given below.

Which of the following statements about Amaranayakas of Vijayanagara are correct?

1. The Amaranayakas were military commanders who were given territories to govern by the Raya.
2. In lieu of their service and also to maintain their contingents, they were paid in cash.
3. They maintained stipulated contingents and elephants.
4. They used to send tribute to the king annually and personally appeared in the royal court with gifts to express their loyalty. Select the correct answer using the code given below.

Which of the following pairs is/are correctly matched?

1. Permanent Settlement : Lord Cornwallis
2. Ryotwari Settlement : Thomas Munro
3. Mahalwari Settlement : Holt Mackenzie Select the correct answer using the code given below.

Who among the following assumed the title of Nizam-ul-Mulk Asaf Jah to set himself up as an independent ruler with his base in Hyderabad?

Which one of the following fundamental rights has not been provided to a person?

The Constitution of India contains no provision for the constitution of municipalities in every State for

Consider the following quote: "On the 26th January, 1950, we are going to enter a life of contradictions. In politics we will have equality and in social and economic life we will have inequality." To whom among the following leaders is this quote attributed?

Which one of the following powers has not been conferred on the President of India?

Which one of the following statements with regard to Maneka Gandhi vs. Union of India case, 1978 is not correct?

A shopkeeper gives two consecutive discounts of 10% and 5% respectively on his items. He then adds 20% GST on his items. If an item has marked price ₹2,000, how much more or less of the actual price of the item a customer has to pay?

The difference of compound interest and simple interest of a sum of money at the rate of 5% per year for 2 years is ₹250. The sum is

How much water is to be added to 75 ml of alcohol so that the mixture contains 25% of alcohol?

If 35% of a number is 416 more than 27% of the same number, then the number is

In India, Cardamom Hills are regarded as a continuation of the

Which one of the following is the only riverine major port in India?

Which one of the following is not a desert river?

The heaviest rocks, which are rolled along the river bed in river transport, come under which type of load?

Which of the following factors are needed for the growth of corals?

1. Freshwater
2. Clear shallow salt water
3. Plenty of sunlight for photosynthesis
4. Warm water between 23 °C and 25 °C Select the correct answer using the code given below.

Convection currents, which move the tectonic plates, are found in which layer of the earth?

Consider the following statements:

1. The growth of socialist tendency in the national movement led to the foundation of the Congress Socialist Party in 1934 under the leadership of Acharya Narendra Deva and Jayaprakash Narayan.
2. In 1936, Jawaharlal Nehru urged the Congress to accept socialism as its goal and to bring itself closer to the peasantry and the working class. Which of the statements given above is/are correct?

Initially, what was the purpose of setting up the hill stations during the colonial period in India?

Who among the following founded the Dharma Sabha?

Consider the following Jat peasant leaders of 17th and early 18th centuries:

1. Badan Singh
2. Raja Ram Jat
3. Gokula Jat
4. Churaman Jat Which one of the following is the correct chronological order of the above leaders?

Who among the following Bhakti saints did not belong to Nirguna School of Bhakti?

Volcano Mount Merapi, which erupted in January 2021, is situated in

E-100 pilot project, launched in Pune in June 2021, is related to the production and distribution of

On the occasion of the World Environment Day, 2021, which one of the following was declared as a National Park in India?

Who among the following has withdrawn from the French Open Tennis Tournament, 2021 in second round after controversy over media obligations?

Heron drones, inducted by Indian forces for enhancing their surveillance capabilities, are acquired from

Cyclone 'Tauktae' was named by

Match List-I with List-II and select the correct answer using the code given below the Lists: List-I (Variant of COVID-19): A. Alpha, B. Beta, C. Gamma, D. Delta List-II (First identified in): 1. India, 2. Brazil, 3. Britain, 4. South Africa

Indian Coast Guard Offshore Patrol Vessel 'Sajag', which was commissioned in May 2021, was constructed by

Who among the following was the Head of the Expert Committee on Variable Capital Company in India which has submitted its report recently?

Which one of the following States ranked first on Sustainable Development Goal India Index, 2020-21 released by NITI Aayog?

Which one of the following is the theme of the World Ocean Day, 2021?

In the latest Chandler Good Government Index (CGGI), which classifies 104 countries in terms of government capabilities and outcomes, India has been ranked

Scientists at CSIR-NCL Pune, with support from the Water Technology Initiative of the Department of Science and Technology (DST), Government of India, have recently developed a novel hybrid technology to bring safe and healthy drinking water. What is the name of the hybrid technology?

Which one of the following films has won the Best Film Award in Environment Conservation category at the 67th National Film Awards, 2021?

Which one of the following books was declared winner of the 2021 International Booker Prize?