CAPF AC 2021 Previous Year Questions with Answers and Explanations
123 questions from the CAPF AC 2021 Paper I (General Ability and Intelligence), each with the correct answer, a full explanation, why every option is right or wrong, and named sources. The other 2 questions of this paper are in the practice app while their explanations are checked.
- Q1 · Science & Technology: 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…
- Q2 · Science & Technology: What is the approximate wavelength of violet light in air?
- Q3 · Science & Technology: Which electromagnetic radiation(s) is/are used to cook food?
- Q4 · Science & Technology: An object is placed 10 cm in front of a lens. The image formed is real, inverted and of the same size as the object. What is the focal…
- Q5 · Science & Technology: Which one of the following statements with regard to a short-sighted person is correct?
- Q6 · Science & Technology: Which one of the following organelles is not found in animal cells?
- Q7 · Science & Technology: Which one of the following plant tissues has large air spaces?
- Q8 · Science & Technology: Which one of the following is not a connective tissue?
- Q9 · Science & Technology: Which one of the following organisms belongs to the kingdom Monera?
- Q10 · Science & Technology: Which one of the following diseases does not transmit through fine droplets coming out from mouth or nose of an infected person?
- Q11 · Science & Technology: Which one of the following is not a breakdown product of glucose during respiration?
- Q12 · Science & Technology: 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)…
- Q13 · Science & Technology: Packets of potato chips are usually flushed with which one of the following gases to prevent rancidity?
- Q14 · Science & Technology: According to early Indian philosophers, what are the basic elements described in Pancha Tattva?
- Q15 · Science & Technology: A milkman adds a small amount of baking soda to milk. This makes the pH of the milk
- Q16 · Science & Technology: Which one of the following metal oxides does not usually react with sodium hydroxide?
- Q17 · Science & Technology: When calcium metal reacts with sulphuric acid, the reaction stops after a short while. Why?
- Q18 · Science & Technology: 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…
- Q19 · Science & Technology: The following figure shows the image of a clock in a plane mirror: Which one of the following is the correct time?
- Q20 · Science & Technology: Which one among the following is not a luminous object?
- Q21 · Science & Technology: 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…
- Q22 · Science & Technology: Which one among the following is not a renewable energy source?
- Q23 · Science & Technology: Which one of the following is not a function of chlorophyll?
- Q24 · Science & Technology: Which one of the following statements about life processes in single-celled organisms is not correct?
- Q25 · Science & Technology: Which one of the following organisms does not possess notochord at any stage of its life cycle?
- Q26 · Science & Technology: Which one of the following pairs is not correctly matched?
- Q27 · Science & Technology: Which one of the following metals does not react with oxygen, water or acids?
- Q28 · Science & Technology: Which one of the following metals produces hydrogen with cold water?
- Q29 · Science & Technology: Manganese is extracted by heating manganese dioxide with aluminium powder. Which one of the following statements with regard to the…
- Q30 · Science & Technology: Which one of the following properties decreases across the periodic table from left to right and increases from top to bottom?
- Q31 · Indian Economy: Which one of the following statements about production possibility frontier is not correct?
- Q32 · Indian Economy: 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.…
- Q33 · Indian Economy: Which one of the following functions as an automatic stabilizer in the context of fiscal and monetary policies of an economy?
- Q34 · Geography: Broadly both birth and death rates are low in which one of the following stages of demographic transition model?
- Q35 · Geography: Which one of the following is a pull factor for migration?
- Q36 · Geography: What is the depression at the top of a volcano following a volcanic eruption called?
- Q37 · Geography: In order to find out the absolute location of a place on the map, which of the following will be required?
- Q38 · Geography: The speed of the wind is measured by
- Q39 · Geography: 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?
- Q40 · Ancient History: Most of the mature Harappan sites in the region of Cholistan had been abandoned during
- Q41 · Ancient History: Madhyamika Karika, the basic text of Madhyamika School, was composed by
- Q42 · Art & Culture: Which one of the following pairs of authors and Sanskrit literary works is not correctly matched?
- Q43 · Art & Culture: In the Mathura School of Art, Buddha's images are largely carved in
- Q44 · Ancient History: The Mauryan capital of Pataliputra has been associated with the archaeological remains of
- Q45 · Ancient History: The Satavahanas are identified in the Puranas by which one of the following epithets?
- Q46 · Indian Polity: Which one of the following powers of the Supreme Court is also conferred on a High Court?
- Q47 · Indian Polity: The Constitution of India does not guarantee which one of the following as a fundamental right?
- Q48 · Indian Polity: Which one of the following statements about the Supreme Court is not correct?
- Q49 · Indian Polity: Which one of the following statements about Public Accounts Committee is correct?
- Q50 · Indian Polity: Who can be appointed as a Judge of the Supreme Court?
- Q51 · General Mental Ability: Eight metallic balls of one centimetre radius each are melted into one ball. The diameter of the new ball is
- Q52 · General Mental Ability: 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,…
- Q53 · General Mental Ability: 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…
- Q54 · General Mental Ability: A tree is at present 9 feet tall. If every year it grows 1⁄9 of its height, what will be the height of the tree after three years?
- Q55 · General Mental Ability: If first March of a year is Sunday, which day will be the first February of the next year?
- Q56 · Indian Economy: Which one among the following statements is not correct?
- Q57 · Indian Economy: The amount by which the equilibrium level of real GDP exceeds the full employment level of GDP is called
- Q58 · Indian Economy: For anything to be recognized as money, it needs to have which of the following characteristics? 1. Act as an intermediate in the exchange…
- Q59 · Indian Economy: 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…
- Q60 · Indian Economy: On the basis of employment conditions, the economy is divided into
- Q61 · Geography: Which one of the following is not a type of chemical weathering?
- Q63 · Geography: Which of the following main types of iron ores are found in India? 1. Haematite 2. Magnetite 3. Limonite 4. Siderite Select the correct…
- Q64 · Environment & Ecology: Where is Asan Conservation Reserve located?
- Q65 · Medieval History: Consider the following statements: 1. The early Sikh Gurus were religious preachers and did not interfere in politics but Guru Arjan…
- Q66 · Medieval History: Qutb Minar was originally four-storied. Who among the following Delhi Sultans raised the height of the structure by adding the fifth storey?
- Q67 · Medieval History: Which one of the following pairs of Deccan Sultanates and their respective regions is not correctly matched?
- Q68 · Medieval History: Consider the following statements: 1. Under Akbar, the system of Zabt was established over a large area from Punjab to Awadh. 2. In the…
- Q69 · Modern History: Who among the following warned his colleagues that the Constituent Assembly was British made and was "working the British plan as the…
- Q70 · Indian Polity: Who among the following fixes the date of election of the Speaker of the Lok Sabha?
- Q71 · Indian Polity: Which one of the following statements about 'personal liberty' is not correct?
- Q72 · Indian Polity: Which one of the following statements with regard to the Directive Principles of State Policy is not correct?
- Q73 · Indian Polity: Which one of the following statements with regard to the Preamble to the Constitution of India is not correct?
- Q74 · Indian Polity: The Electoral College for electing the President of India does not include which of the following? 1. All elected members of the Rajya…
- Q75 · General Mental Ability: 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…
- Q76 · General Mental Ability: 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.…
- Q77 · General Mental Ability: 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…
- Q78 · General Mental Ability: The smallest number which when added to 10000 becomes divisible by 20, 24 and 30 is
- Q79 · General Mental Ability: 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
- Q80 · General Mental Ability: How many different words, with or without meaning, can be formed by using the letters of the word COVID?
- Q81 · Geography: The widespread deaths due to starvation and epidemics are the characteristics of
- Q82 · Indian Economy: The price declared by the Government every year before the sowing season to provide incentives to the farmers is called
- Q83 · Geography: Caves, arches, stacks and stumps are the landscape features of which one of the following?
- Q84 · Geography: Which of the following statements about tropical rain forests are correct? 1. The soils of tropical rain forests are quite infertile. 2.…
- Q85 · Geography: 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?
- Q86 · Medieval History: Which of the following statements about Akbar are correct? 1. In 1560s, Akbar had the Fort of Agra constructed. 2. In 1570s, Akbar decided…
- Q87 · Medieval History: Which of the following statements about Amaranayakas of Vijayanagara are correct? 1. The Amaranayakas were military commanders who were…
- Q88 · Modern History: Which of the following pairs is/are correctly matched? | Settlement | Associated with | |---|---| | 1. Permanent Settlement | Lord…
- Q89 · Modern History: 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?
- Q90 · Indian Polity: Which one of the following fundamental rights has not been provided to a person?
- Q91 · Indian Polity: The Constitution of India contains no provision for the constitution of municipalities in every State for
- Q92 · Indian Polity: Consider the following quote: "On the 26th January, 1950, we are going to enter a life of contradictions. In politics we will have…
- Q93 · Indian Polity: Which one of the following powers has not been conferred on the President of India?
- Q94 · Indian Polity: Which one of the following statements with regard to Maneka Gandhi vs. Union of India case, 1978 is not correct?
- Q95 · General Mental Ability: 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…
- Q96 · General Mental Ability: 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
- Q97 · General Mental Ability: How much water is to be added to 75 ml of alcohol so that the mixture contains 25% of alcohol?
- Q98 · General Mental Ability: If 35% of a number is 416 more than 27% of the same number, then the number is
- Q99 · Geography: In India, Cardamom Hills are regarded as a continuation of the
- Q101 · Geography: Which one of the following is the only riverine major port in India?
- Q102 · Geography: Which one of the following is not a desert river?
- Q103 · Geography: The heaviest rocks, which are rolled along the river bed in river transport, come under which type of load?
- Q104 · Geography: Which of the following factors are needed for the growth of corals? 1. Freshwater 2. Clear shallow salt water 3. Plenty of sunlight for…
- Q105 · Geography: Convection currents, which move the tectonic plates, are found in which layer of the earth?
- Q106 · Modern History: Consider the following statements: 1. The growth of socialist tendency in the national movement led to the foundation of the Congress…
- Q107 · Modern History: Initially, what was the purpose of setting up the hill stations during the colonial period in India?
- Q108 · Modern History: Who among the following founded the Dharma Sabha?
- Q109 · Medieval History: 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…
- Q110 · Medieval History: Who among the following Bhakti saints did not belong to Nirguna School of Bhakti?
- Q111 · Current Affairs: Volcano Mount Merapi, which erupted in January 2021, is situated in
- Q112 · Current Affairs: E-100 pilot project, launched in Pune in June 2021, is related to the production and distribution of
- Q113 · Current Affairs: On the occasion of the World Environment Day, 2021, which one of the following was declared as a National Park in India?
- Q114 · Current Affairs: Who among the following has withdrawn from the French Open Tennis Tournament, 2021 in second round after controversy over media obligations?
- Q115 · Current Affairs: Heron drones, inducted by Indian forces for enhancing their surveillance capabilities, are acquired from
- Q116 · Current Affairs: Cyclone 'Tauktae' was named by
- Q117 · Current Affairs: Match List I with List II and select the correct answer using the code given below the Lists: | List I (Variant of COVID-19) | List II…
- Q118 · Current Affairs: Indian Coast Guard Offshore Patrol Vessel 'Sajag', which was commissioned in May 2021, was constructed by
- Q119 · Current Affairs: Who among the following was the Head of the Expert Committee on Variable Capital Company in India which has submitted its report recently?
- Q120 · Current Affairs: Which one of the following States ranked first on Sustainable Development Goal India Index, 2020-21 released by NITI Aayog?
- Q121 · Current Affairs: Which one of the following is the theme of the World Ocean Day, 2021?
- Q122 · Current Affairs: In the latest Chandler Good Government Index (CGGI), which classifies 104 countries in terms of government capabilities and outcomes,…
- Q123 · Current Affairs: Scientists at CSIR-NCL Pune, with support from the Water Technology Initiative of the Department of Science and Technology (DST),…
- Q124 · Current Affairs: Which one of the following films has won the Best Film Award in Environment Conservation category at the 67th National Film Awards, 2021?
- Q125 · Current Affairs: Which one of the following books was declared winner of the 2021 International Booker Prize?