CAPF AC 2020 Previous Year Questions with Answers and Explanations
116 questions from the CAPF AC 2020 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 9 questions of this paper are in the practice app while their explanations are checked.
- Q1 · Science & Technology: Which one of the following statements for an object falling freely under the influence of gravity is correct?
- Q2 · Science & Technology: Two magnetic field lines produced by the same source
- Q3 · Science & Technology: Which one of the following statements regarding Fleming's Rule is correct?
- Q4 · Science & Technology: Which one of the following statements regarding motion is correct?
- Q5 · Science & Technology: The radar used by police to check over-speeding vehicles works on the principle of
- Q6 · Science & Technology: Which one of the following statements with regard to Newton's third law of motion is NOT correct?
- Q7 · Science & Technology: Magnesium is used in
- Q8 · Science & Technology: Which one of the following ingredients does NOT constitute paint?
- Q9 · Science & Technology: Which one of the following statements about alkaline earth metals is NOT true?
- Q10 · Science & Technology: Which one of the following gases produces a red light when electricity flows through it?
- Q11 · Science & Technology: Which one of the following methods can be used to remove permanent hardness of water?
- Q12 · Science & Technology: Which one of the following is NOT a component of photochemical smog?
- Q13 · Science & Technology: The eukaryotic chromatin is composed of
- Q14 · Science & Technology: In which of the following phylum, would you place an animal with a bilaterally symmetrical, triploblastic body without a true internal…
- Q15 · Science & Technology: During respiration in human beings, the actual place of gaseous exchange is
- Q16 · Science & Technology: In human body, the hormone which is secreted into blood and which controls the rate of heart beat is
- Q17 · Science & Technology: In human beings, certain chemicals which cross the synapse between nerve cells are released from
- Q18 · Science & Technology: Which one of the following is the major function of platelets?
- Q19 · Science & Technology: An electron and a photon have same de Broglie wavelength. It implies that they have the same
- Q20 · Science & Technology: Oil and water do NOT mix because of the property of
- Q21 · Science & Technology: At triple point the substance co-exists in 1. Liquid phase 2. Solid phase 3. Vapour phase Select the correct answer using the code given…
- Q22 · Science & Technology: Latent heat corresponds to the change in heat at constant
- Q23 · Science & Technology: Which one of the following statements on photoelectric effect is NOT correct?
- Q24 · Science & Technology: Which one of the following is the average atomic mass of chlorine atom?
- Q25 · Science & Technology: Which one of the following is NOT a heterocyclic aromatic compound?
- Q26 · Science & Technology: Which one of the following minerals is NOT a naturally occurring silicate?
- Q27 · Science & Technology: In which part of the cell, the glucose is converted into pyruvate?
- Q28 · Science & Technology: After fertilization, the ovule and ovary subsequently develop to form
- Q29 · Science & Technology: Which one of the following statements is correct?
- Q30 · Science & Technology: Growing two or more crops in the same field but in different rows is called
- Q32 · Current Affairs: National Technology Day is observed on
- Q33 · Current Affairs: Which one of the following ships was deployed in ‘Mission Sagar’, which was sent to different countries carrying Food and COVID related…
- Q34 · Indian Economy: Which one of the following has the largest contribution to the Gross Tax Revenue of Government of India in 2019-20 (BE)?
- Q35 · Indian Economy: What is meant by MSME?
- Q37 · Defence & Security: Operation Sadbhavna is an initiative of
- Q38 · Defence & Security: Which one among the following is the equivalent rank of 'Wing Commander' of Indian Air Force in Indian Army?
- Q40 · Current Affairs: Which one of the following countries has suggested the name 'Amphan' to the cyclone that devastated parts of West Bengal and Bangladesh in…
- Q41 · Geography: Natural Population Change is calculated by
- Q42 · Geography: A long narrow stretch of sand and/or shingle with one end attached to the mainland is called
- Q43 · Environment & Ecology: Which one of the following does NOT illustrate the importance of the Coral Reef?
- Q44 · Environment & Ecology: Which one of the following statements about the Acacia tree is/are correct? 1. It has a long shallow root system which enables it to find…
- Q45 · Art & Culture: Dardic group of language belongs to which language family?
- Q46 · Geography: 2011 Census has divided the working population of India into four major categories. Which one of the following is NOT one of them?
- Q47 · Indian Economy: Which of the following statements about employment situation in India according to Periodic Labour Force Survey 2017-18 is/are correct? 1.…
- Q48 · Indian Economy: Kumar used to eat 30 samosas in a month when the price of each samosa was ₹12. When the price of samosa increased to ₹15 per piece, he…
- Q49 · Indian Economy: Which of the following goods are included to estimate food inflation in India? 1. Wheat 2. Paddy 3. Tobacco 4. Sugar Select the correct…
- Q50 · Indian Economy: In which of the following states high yielding varieties of food grains were introduced as part of the first phase of Green Revolution…
- Q51 · Ancient History: Which of the following is/are the most distinctive artefacts of the Harappan Civilisation? 1. Steatite seal 2. Bricks of a standardised…
- Q52 · Ancient History: Which one of the following is NOT listed as one of the sixteen mahajanapadas in the pre-Mauryan period?
- Q53 · Ancient History: Which of the following are prescribed as the duties of Vaishyas according to the Dharmashastras? 1. Studying the Vedas 2. Engaging in…
- Q54 · Ancient History: Which of the following statements is/are correct? 1. The Satavahanas ruled over parts of western India and the Deccan. 2. The Satavahanas…
- Q55 · Indian Polity: In relation to the fundamental duties enshrined in the Constitution of India, which one of the following is NOT correct?
- Q56 · Indian Polity: The Governor of a state may exercise discretionary powers when 1. he or she is not convinced by the advice of the Council of Ministers 2.…
- Q57 · Indian Polity: Which one of the following is NOT true of socialism?
- Q58 · Indian Polity: Match List I with List II and select the correct answer using the code given below the Lists: | List I (Concept) | List II…
- Q59 · Indian Economy: Which one of the following Central Public Sector Undertakings (CPSUs) is recognized as Miniratnas?
- Q60 · Indian Economy: Which one of the following educational development indicators is currently used by United Nations Development Programme (UNDP) to…
- Q61 · Indian Economy: Which one of the following was recognized as 'invisible hand' by Adam Smith?
- Q62 · Indian Economy: Fixation of price levels for wheat and rice by the Commission for Agriculture Costs and Prices (CACP) is an example of?
- Q63 · Indian Economy: Mobile phone operators market in India is an example of
- Q64 · Indian Economy: Which of the following sectors contribute in recent years to the deterioration of asset quality of commercial banks by way of…
- Q65 · Geography: The distance between two successive crests or troughs of sea waves is called as
- Q66 · Geography: Which one of the following is NOT a Mediterranean country ?
- Q67 · Indian Economy: PAHAL, an initiative to transfer the subsidy to direct bank account of the beneficiaries, is related to
- Q68 · Geography: Which one of the following karst landforms is the largest in size ?
- Q69 · Geography: Singapore is known as Port of Call because
- Q70 · Indian Polity: Which one of the following statements with regard to Censure Motion is NOT correct?
- Q71 · Indian Polity: Which one of the following is NOT a correct feature of a Money Bill?
- Q72 · Indian Polity: The idea of social justice requires that 1. equal treatment be supplemented with principle of proportionality 2. due and equal…
- Q73 · Indian Polity: Which one of the following statements about the Attorney-General of India is NOT correct?
- Q74 · Indian Polity: Which of the following is/are correct in relation to the Panchayats? 1. Only the Parliament may endow Panchayats with powers and authority…
- Q81 · Indian Polity: As per provisions of the Constitution of India, which one of the following is correct?
- Q82 · Indian Polity: Which of the following statement(s) regarding passing a law under the State List is/are correct? 1. Even in the sphere (State List)…
- Q83 · Indian Polity: Which of the following statement(s) regarding promulgation of ordinance is/are correct? 1. President can promulgate ordinances which are…
- Q84 · Geography: Match List I with List II and select the correct answer using the code given below the Lists: | List I (Name of Shifting Cultivation) |…
- Q85 · Indian Economy: SAUBHAGYA, a Central Government scheme, is related to
- Q86 · Environment & Ecology: The Cartagena Protocol, to which India is a party, is related to
- Q87 · Environment & Ecology: Transition zone of varied natural vegetation occupying the boundary between two adjacent and differing plant communities is known as
- Q88 · Medieval History: Consider the following statements about sulh-i kul: 1. It means 'absolute peace' 2. It provided for freedom of expression to all religions…
- Q89 · Medieval History: Which one of the following statements about the religious policies of the Mughal kings is NOT correct?
- Q90 · Medieval History: Tulsidas was the author of 1. Ramcharitmanas 2. Padavali 3. Kavitavali Select the correct answer using the code given below:
- Q91 · Medieval History: On which one of the following conditions, did the Marathas agree to serve the Mughal king with a cavalry contingent of 15,000 in the early…
- Q92 · Indian Polity: According to the Delimitation Commission of India and subject to Article 333 of the Constitution of India, what is the maximum number of…
- Q93 · Modern History: Who among the following was the first non-official member to be elected as Speaker of the Central Legislative Assembly on 24-8-1925?
- Q94 · Indian Polity: Which of the following statements are correct with regard to Speaker/Deputy Speaker, Lok Sabha? 1. On dissolution of the Lok Sabha, both…
- Q95 · Indian Polity: With regard to Panel of Chairperson, Lok Sabha, which of the following statements is/are correct? 1. Panel of Chairperson is drawn from…
- Q96 · Geography: Which one of the following statements is NOT correct?
- Q97 · Geography: Consider the following statements: 1. River Kaveri has well-developed valley 2. Valley of River Alakananda is still growing 3. River…
- Q98 · Geography: According to Koppen’s climatic classifications of India, Great Northern Plains are represented by
- Q99 · Geography: Which one among the following stations receives maximum rainfall?
- Q100 · Geography: Which one among the following countries does NOT have common boundary with South Africa?
- Q101 · Modern History: Consider the following statements about the Treaty of Amritsar (1809): 1. The Treaty fixed the Sutlej as the boundary between the Punjab…
- Q102 · Ancient History: Which one of the following statements about the Harappan script is NOT correct?
- Q103 · Modern History: Which of the following statements is/are correct? 1. Parmahansa Mandali was founded in Bengal by Swami Vivekananda 2. Prarthana Samaj was…
- Q104 · Modern History: Which one of the following is NOT correct about Mahatma Gandhi's Dandi Yatra or Salt March?
- Q105 · Modern History: The British Committee of the Indian National Congress was founded in
- Q106 · Ancient History: Tamilakam was the name of the ancient Tamil country that included
- Q107 · Indian Polity: A member giving notice of a resolution for removal of Speaker, Lok Sabha should be addressed to the
- Q108 · Indian Polity: Which one of the following statements regarding Public Accounts Committee is correct?
- Q109 · Indian Polity: Which of the following statements with regard to the Speaker, Lok Sabha is/are correct? 1. The election of the Speaker of Lok Sabha is…
- Q110 · Indian Polity: Who was the President of the Constituent Assembly?
- Q111 · General Mental Ability: In an exam, a candidate attempts 20 questions and scores 72 marks. If 5 marks are awarded for each correct answer and 2 marks are deducted…
- Q112 · General Mental Ability: Which one of the following is the greatest number by which the product of three consecutive even numbers would be exactly divisible?
- Q113 · General Mental Ability: If 15% of A is double of 30% of B, then what is the ratio of A to B?
- Q114 · General Mental Ability: The cost of gold varies directly as the cube of its weight. A gold piece weighing 20 decigram costs ₹1,000. If it is broken into two…
- Q115 · General Mental Ability: The average age of the boys in a class is 12 years. The average age of the girls in the class is 11 years. There are 50% more girls than…
- Q116 · General Mental Ability: A sum triples in ten years under compound interest at a certain rate of interest, the interest is being compounded annually. In how many…
- Q117 · General Mental Ability: The number of ways by which 6 distinct balls can be put in 5 distinct boxes are
- Q118 · General Mental Ability: A wire of length 6 m is stretched such that its radius is reduced by 20%. Which one of the following is the value of increase in its length?
- Q119 · General Mental Ability: The alphabets from A to J are numbered from 0 to 9 respectively. Which one of the following is the value of AGJ - CEG + EDB?
- Q120 · General Mental Ability: A is the smallest positive integer which when divided by 9 and 12 leaves remainder 8. B is the smallest positive integer which when…
- Q121 · General Mental Ability: If South-east is called East, North-west is called West, South-west is called South and so-on, what will North be called?
- Q122 · General Mental Ability: If the day before yesterday was Tuesday, when will Saturday be?
- Q123 · General Mental Ability: What is the value of the missing number?
- Q124 · General Mental Ability: In a group of 100 children, 64 children like to play cricket, 53 children like to play football and 20 children like to play both cricket…
- Q125 · General Mental Ability: Two years ago, the age of A was three times the age of B. If B is currently 9 years old, then after how many years, the age of A will be…