Mock Test 16 — IB ACIO Tier 1 Pattern (100 MCQs)
Free study material · concepts, shortcuts & solved questions
Instructions: This test follows the exact IB ACIO Tier 1 pattern — 100 objective questions across five sections, each carrying one mark, with ¼ negative marking for every wrong answer. Time allowed: 60 minutes. Attempt all questions before checking the answer key at the end.
Section A: Current Affairs and Static GK (20 Questions)
The "Global Innovation Index" is jointly published by WIPO, Cornell University, and: (a) INSEAD (b) Harvard University (c) MIT (d) Oxford University
Which Indian agency is responsible for coordinating anti-narcotics operations? (a) Narcotics Control Bureau (NCB) (b) NIA (c) CBI (d) ED
The "Khajuraho" temples, known for their intricate carvings, are located in which state? (a) Madhya Pradesh (b) Rajasthan (c) Uttar Pradesh (d) Odisha
Which Indian state has the highest per capita income (among major states, as commonly cited)? (a) Sikkim (or Goa, depending on the metric used) (b) Bihar (c) Uttar Pradesh (d) West Bengal
The "Digital Saksharta Abhiyan" (DISHA) aims at: (a) Promoting digital literacy in rural India (b) Financial inclusion (c) Skill certification (d) Girl child education
Which Indian scientist is known as the "Missile Man of India"? (a) A.P.J. Abdul Kalam (b) Vikram Sarabhai (c) Homi Bhabha (d) Satish Dhawan
The "United Nations Educational, Scientific and Cultural Organization" (UNESCO) is headquartered in: (a) Paris (b) Geneva (c) New York (d) Rome
Which force guards the Line of Actual Control in the eastern sector along with the Army? (a) ITBP (b) BSF (c) SSB (d) CISF
The "Pradhan Mantri Ujjwala Yojana" was launched in which year? (a) 2016 (b) 2014 (c) 2018 (d) 2012
Which is the currency of South Korea? (a) Won (b) Yen (c) Yuan (d) Ringgit
The "Central Industrial Security Force" (CISF) primarily provides security to: (a) Industrial installations, airports, and critical infrastructure (b) State borders (c) Rural areas (d) Only VIPs
Which Indian city hosts the headquarters of the Comptroller and Auditor General? (a) New Delhi (b) Mumbai (c) Kolkata (d) Chennai
The "Triple Talaq" practice was declared unconstitutional by the Supreme Court in which year? (a) 2017 (b) 2015 (c) 2019 (d) 2014
Which international sporting event did India host in 2010? (a) Commonwealth Games (b) Asian Games (c) Olympic Games (d) FIFA World Cup
The "Central Bank Digital Currency" pilot for wholesale transactions was launched by RBI in which year? (a) 2022 (b) 2020 (c) 2019 (d) 2021
Which Indian state is the largest producer of jute? (a) West Bengal (b) Assam (c) Bihar (d) Odisha
The "Basel Accords" primarily relate to: (a) Banking regulation and capital requirements (b) Trade tariffs (c) Climate finance (d) Currency exchange
The "National Pension System" (NPS) is regulated by: (a) PFRDA (b) SEBI (c) IRDAI (d) RBI
Which Indian city hosts the headquarters of the Central Industrial Security Force? (a) New Delhi (b) Mumbai (c) Pune (d) Hyderabad
The "Azadi Ka Amrit Mahotsav" commemorated how many years of India's independence? (a) 75 years (b) 70 years (c) 80 years (d) 50 years
Section B: General Studies (20 Questions)
The "Government of India Act, 1935" is significant because it: (a) Provided a federal structure and provincial autonomy (b) Partitioned India (c) Established the Constituent Assembly (d) Ended British rule
Which Article deals with Equality Before Law? (a) Article 14 (b) Article 15 (c) Article 19 (d) Article 21
The "Chota Nagpur Plateau" is drained primarily by which river? (a) Damodar (b) Godavari (c) Krishna (d) Narmada
The SI unit of frequency is: (a) Hertz (b) Watt (c) Joule (d) Newton
"Fiscal policy" refers to: (a) Government decisions on taxation and spending (b) Central bank control of money supply (c) Exchange rate management (d) Trade tariffs
Which Mughal emperor's court included the famous "Navratnas"? (a) Akbar (b) Shah Jahan (c) Aurangzeb (d) Jahangir
The "Salt Satyagraha" (Dandi March) covered a distance of approximately: (a) 390 km (b) 200 km (c) 500 km (d) 300 km
Which part of the human body regulates blood sugar levels? (a) Pancreas (b) Liver (c) Kidney (d) Spleen
The "Coromandel Coast" lies along which sea? (a) The Bay of Bengal (b) The Arabian Sea (c) The Indian Ocean directly (d) The Andaman Sea
The power to remove a High Court judge lies with: (a) Parliament, through impeachment (b) The President alone (c) The Chief Justice of India alone (d) The State Governor
Deficiency of Vitamin K primarily affects: (a) Blood clotting (b) Vision (c) Bone health (d) Skin health
The "Treaty of Amritsar" (1809) was signed between the British and: (a) Ranjit Singh (b) The Peshwas (c) Tipu Sultan (d) The Nizam
"Cost-push inflation" is caused by: (a) An increase in production costs (b) An increase in demand (c) A decrease in money supply (d) A decrease in exports
Which of the following is an example of a non-renewable resource? (a) Coal (b) Solar energy (c) Wind energy (d) Hydropower
Ordinances promulgated by the President must be approved by Parliament within how many weeks of reassembly? (a) 6 weeks (b) 4 weeks (c) 8 weeks (d) 12 weeks
The "Renuka Lake," the largest lake in Himachal Pradesh, is located in which district? (a) Sirmaur (b) Shimla (c) Kullu (d) Mandi
India's Parliament consists of the President and how many Houses? (a) 2 (b) 1 (c) 3 (d) 4
Which of the following crops is grown primarily through drip irrigation in water-scarce regions? (a) Cotton (b) Rice (c) Jute (d) Sugarcane
The "Individual Satyagraha" was launched by Gandhi in which year, with Vinoba Bhave as the first satyagrahi? (a) 1940 (b) 1942 (c) 1930 (d) 1939
Which of the following best describes the process of "osmoregulation"? (a) Regulation of water and salt balance in the body (b) Regulation of blood pressure (c) Regulation of body temperature (d) Regulation of heart rate
Section C: Numerical Aptitude (20 Questions)
A sum of ₹6,000 becomes ₹7,800 in 3 years at simple interest. Find the rate of interest. (a) 10% (b) 12% (c) 8% (d) 15%
Find the compound interest on ₹50,000 at 4% per annum for 2 years. (a) ₹4,080 (b) ₹4,000 (c) ₹4,200 (d) ₹3,900
Two numbers are in the ratio 7:9. If their sum is 96, find the smaller number. (a) 42 (b) 40 (c) 44 (d) 38
A train covers a distance of 480 km at a certain speed. Had the speed been 20 km/h more, it would have taken 2 hours less. Find the original speed. (a) 60 km/h (b) 55 km/h (c) 65 km/h (d) 50 km/h
Three taps A, B, C can fill a tank in 10, 15, and 20 hours respectively. Find the time taken if all three are opened together. (a) 60/13 hours (b) 5 hours (c) 6 hours (d) 4.5 hours
The average age of a family of 5 members is 32 years. If a new member aged 20 joins, find the new average age. (a) 30 years (b) 28 years (c) 31 years (d) 29 years
What is 55% of 400 plus 20% of 250? (a) 270 (b) 260 (c) 280 (d) 250
₹90,000 is divided among A, B, C in the ratio 5:6:7. Find B's share. (a) ₹30,000 (b) ₹28,000 (c) ₹32,000 (d) ₹25,000
Find the next number in the series: 2, 4, 8, 16, 32, ? (a) 64 (b) 60 (c) 62 (d) 66
A boat covers 84 km downstream in 6 hours. If the speed of the stream is 2 km/h, find the boat's speed in still water. (a) 12 km/h (b) 10 km/h (c) 14 km/h (d) 8 km/h
Find the area of a trapezium with parallel sides 12 cm and 18 cm, and height 10 cm. (a) 150 sq cm (b) 140 sq cm (c) 160 sq cm (d) 130 sq cm
Two numbers are in the ratio 3:5. If 8 is added to each, the ratio becomes 2:3. Find the numbers. (a) 24 and 40 (b) 15 and 25 (c) 9 and 15 (d) 18 and 30
A shopkeeper sells an article for ₹690 at a loss of 8%. Find the cost price. (a) ₹750 (b) ₹720 (c) ₹700 (d) ₹780
Simplify: 7² + 3³ − 20 ÷ 4 (a) 71 (b) 69 (c) 73 (d) 67
A can do a work in 20 days. B is twice as efficient as A, and C is thrice as efficient as A. Find the time taken if all three work together. (a) 10/3 days (b) 4 days (c) 3 days (d) 5 days
Find the simple interest on ₹45,000 at 9% per annum for 2.5 years. (a) ₹10,125 (b) ₹10,000 (c) ₹10,500 (d) ₹9,800
Find the HCF of 144 and 180. (a) 36 (b) 24 (c) 48 (d) 18
A rectangular room is 12 m long and 9 m wide. Find the cost of carpeting it at ₹150 per square metre. (a) ₹16,200 (b) ₹15,000 (c) ₹16,800 (d) ₹15,600
In a mixture of 100 litres, milk and water are in the ratio 3:2. Find the milk to be added to make the ratio 2:1. (a) 20 litres (b) 15 litres (c) 25 litres (d) 10 litres
Find the compound interest on ₹25,000 at 8% per annum for 2 years. (a) ₹4,160 (b) ₹4,000 (c) ₹4,300 (d) ₹3,900
Section D: Reasoning and Logical Aptitude (20 Questions)
Find the odd one out: Rose, Jasmine, Lotus, Cactus (a) Cactus (b) Rose (c) Jasmine (d) Lotus
If "MARKET" is coded as "NBSLFU," how is "GARDEN" coded? (a) HBSEFO (b) HBSEFP (c) HBSDFO (d) GBSEFO
Pointing to a photograph, a man says, "This is my son's only maternal uncle's sister." How is the woman in the photograph related to the man's son? (a) Mother (b) Aunt (c) Sister (d) Cousin
Complete the series: 9, 18, 36, 72, ? (a) 144 (b) 140 (c) 136 (d) 148
If all tigers are carnivores, and no carnivore is a herbivore, then: (a) No tiger is a herbivore (b) All herbivores are tigers (c) Some tigers are herbivores (d) All carnivores are tigers
If "PENCIL" is coded as "QFODJM," how is "MARKER" coded? (a) NBSLFS (b) NBSLFT (c) NBSKFS (d) MBSLFS
In a family, U is the brother of V. V is the daughter of W. X is the husband of W. How is U related to X? (a) Son (b) Nephew (c) Son-in-law (d) Brother
Find the missing number: 13, 25, 49, 97, ? (a) 193 (b) 191 (c) 195 (d) 189
If Monday falls on the 9th of a month, what day falls on the 30th of the same month? (a) Monday (b) Tuesday (c) Sunday (d) Wednesday
Choose the word that does not belong: Iron, Copper, Aluminium, Oxygen (a) Oxygen (b) Iron (c) Copper (d) Aluminium
In a row, Farhan is 17th from the left and 24th from the right. How many people are in the row? (a) 40 (b) 41 (c) 39 (d) 42
Which number will replace the question mark? 8, 24, 72, 216, ? (a) 648 (b) 640 (c) 630 (d) 650
Statements: Some pencils are pens. All pens are inks. Conclusions: I. Some pencils are inks. II. All inks are pens. (a) Only I follows (b) Only II follows (c) Both follow (d) Neither follows
A person walks 6 km west, then 8 km north. How far is he from the starting point? (a) 10 km (b) 14 km (c) 12 km (d) 8 km
Find the odd pair: (81, 9), (100, 10), (121, 11), (144, 13) (a) (144, 13) (b) (81, 9) (c) (100, 10) (d) (121, 11)
A clock shows 5:00. What is the angle between the hour and minute hands? (a) 150° (b) 120° (c) 90° (d) 180°
C is the son of D. E is the daughter of D. F is the son of E. How is C related to F? (a) Maternal uncle (b) Father (c) Brother (d) Grandfather
Complete the analogy: Librarian : Library :: Curator : ? (a) Museum (b) Gallery (c) Exhibit (d) Artifact
Find the next term: DF, GI, JL, MO, ? (a) PR (b) QR (c) PQ (d) OQ
Six boxes A, B, C, D, E, F are stacked with A at the bottom and F at the top, in that order. Which box is exactly in the middle (3rd from bottom)? (a) C (b) D (c) B (d) E
Section E: English Language (20 Questions)
Choose the correctly spelt word: (a) Definitely (b) Definately (c) Definitly (d) Definetely
Choose the synonym of "OBSTINATE": (a) Stubborn (b) Flexible (c) Yielding (d) Compliant
Choose the antonym of "HUMBLE": (a) Arrogant (b) Modest (c) Meek (d) Simple
Fill in the blank: He is married ___ a doctor. (a) to (b) with (c) for (d) about
Identify the part of speech of the underlined word: "The children played happily in the garden." (a) Adverb (b) Adjective (c) Noun (d) Verb
Choose the correctly punctuated sentence: (a) I bought apples, oranges, and bananas from the market. (b) I bought apples oranges and bananas from the market. (c) I bought apples, oranges and, bananas from the market. (d) I bought apples; oranges, and bananas from the market
Convert to passive voice: "She has written three novels." (a) Three novels have been written by her. (b) Three novels were written by her. (c) Three novels are written by her. (d) Three novels had been written by her.
Choose the one-word substitute for "a person who is always hopeful": (a) Optimist (b) Pessimist (c) Cynic (d) Sceptic
Choose the correct meaning of the idiom "to beat around the bush": (a) To avoid getting to the point (b) To speak directly (c) To finish quickly (d) To search thoroughly
Identify the error: "Neither the teacher nor the students was happy with the result." (a) was (b) Neither (c) teacher (d) students
Choose the correct article: "She is ___ best student in the class." (a) the (b) a (c) an (d) no article
Choose the correctly spelt word: (a) Vacuum (b) Vaccuum (c) Vacume (d) Vaccume
Fill in the blank: He has worked here ___ five years. (a) for (b) since (c) from (d) during
Choose the synonym of "TENUOUS": (a) Weak (b) Strong (c) Solid (d) Firm
Choose the antonym of "VIGILANT": (a) Careless (b) Alert (c) Watchful (d) Attentive
Rearrange the parts to form a meaningful sentence: (P) is crucial (Q) for success (R) time management (S) in any career (a) RPQS (b) RQPS (c) PRQS (d) QRPS
Choose the correctly punctuated sentence: (a) "I'll be there soon," she promised. (b) "I'll be there soon" she promised. (c) I'll be there soon, she promised. (d) "I'll be there soon", she promised
Identify the error: "Physics are my favourite subject." (a) are (b) Physics (c) favourite (d) subject
Choose the one-word substitute for "a place where weapons are stored": (a) Arsenal (b) Armoury (c) Both (a) and (b) are acceptable (d) Barracks
Choose the correct meaning of the idiom "to add insult to injury": (a) To make a bad situation worse (b) To apologise sincerely (c) To help someone in trouble (d) To celebrate a victory
Answer Key with Explanations — Mock Test 16
1.(a) The Global Innovation Index is jointly published by WIPO, Cornell University, and INSEAD.
2.(a) The NCB coordinates anti-narcotics operations in India.
3.(a) The Khajuraho temples are located in Madhya Pradesh.
4.(a) Sikkim is commonly cited among the states with the highest per capita income.
5.(a) DISHA aims at promoting digital literacy in rural India.
6.(a) A.P.J. Abdul Kalam is known as the Missile Man of India.
7.(a) UNESCO is headquartered in Paris.
8.(a) The ITBP guards the Line of Actual Control in the eastern sector along with the Army.
9.(a) Ujjwala Yojana was launched in 2016.
10.(a) Won is the currency of South Korea.
11.(a) The CISF provides security to industrial installations, airports, and critical infrastructure.
12.(a) The CAG's headquarters is in New Delhi.
13.(a) Triple Talaq was declared unconstitutional in 2017.
14.(a) India hosted the Commonwealth Games in 2010.
15.(a) The RBI launched the wholesale CBDC pilot in 2022.
16.(a) West Bengal is the largest producer of jute.
17.(a) The Basel Accords relate to banking regulation and capital requirements.
18.(a) The NPS is regulated by the PFRDA.
19.(a) The CISF headquarters is in New Delhi.
20.(a) Azadi Ka Amrit Mahotsav commemorated 75 years of independence.
21.(a) The Government of India Act, 1935 provided a federal structure and provincial autonomy.
22.(a) Article 14 deals with Equality Before Law.
23.(a) The Chota Nagpur Plateau is drained primarily by the Damodar river.
24.(a) The SI unit of frequency is the Hertz.
25.(a) Fiscal policy refers to government decisions on taxation and spending.
26.(a) Akbar's court included the famous Navratnas.
27.(a) The Dandi March covered approximately 390 km.
28.(a) The pancreas regulates blood sugar levels.
29.(a) The Coromandel Coast lies along the Bay of Bengal.
30.(a) A High Court judge can be removed by Parliament through impeachment.
31.(a) Vitamin K deficiency primarily affects blood clotting.
32.(a) The Treaty of Amritsar was signed with Ranjit Singh.
33.(a) Cost-push inflation is caused by an increase in production costs.
34.(a) Coal is a non-renewable resource.
35.(a) Ordinances must be approved by Parliament within 6 weeks of reassembly.
36.(a) Renuka Lake is located in the Sirmaur district of Himachal Pradesh.
37.(a) India's Parliament consists of the President and 2 Houses (Lok Sabha and Rajya Sabha).
38.(a) Cotton is often grown using drip irrigation in water-scarce regions.
39.(a) The Individual Satyagraha was launched in 1940 with Vinoba Bhave as the first satyagrahi.
40.(a) Osmoregulation is the regulation of water and salt balance in the body. 41. SI=7800−6000=1800 over 3 years; rate=(1800×100)/(6000×3)=10%. (a) 42. CI=50000×(1.04²−1)=50000×0.0816=₹4,080. (a) 43. Total parts=16; smaller number=96×7/16=42. (a) 44. Verify directly: at 60 km/h, time=480/60=8 hours; at the increased speed of 80 km/h, time=480/80=6 hours — a saving of exactly 2 hours, confirming the original speed is 60 km/h. (a) 45. Combined rate=1/10+1/15+1/20=6/60+4/60+3/60=13/60; time=60/13 hours. (a) 46. New total age=5×32+20=160+20=180; new average=180/6=30 years. (a) 47. 55% of 400=220; 20% of 250=50; sum=270. (a) 48. Total parts=18; B's share=90000×6/18=₹30,000. (a) 49. Each term doubles: 32×2=64. (a) 50. Downstream speed=84/6=14 km/h; boat speed=14−2=12 km/h. (a) 51. Area of trapezium=½×(12+18)×10=½×30×10=150 sq cm. (a) 52. Let numbers be 3x,5x; (3x+8)/(5x+8)=2/3 → 9x+24=10x+16 → x=8; numbers=24 and 40. (a) 53. CP=SP/(1−loss%)=690/0.92=₹750. (a) 54. 7²=49; 3³=27; 20÷4=5; 49+27−5=71. (a) 55. Combined rate=1/20+2/20+3/20=6/20=3/10; time=10/3 days. (a) 56. SI=(45000×9×2.5)/100=₹10,125. (a) 57. HCF of 144 and 180=36. (a) 58. Area=12×9=108 sq m; cost=108×150=₹16,200. (a) 59. Milk=60, water=40; for ratio 2:1 with water=40, milk needed=80; add 80−60=20 litres. (a) 60. CI=25000×(1.08²−1)=25000×0.1664=₹4,160. (a)
61.(a) Cactus is typically thorny and not primarily grown for its blossom in the way the others are; the others are flowers commonly grown for their blooms.
62.(a) Each letter shifts forward by one: G→H, A→B, R→S, D→E, E→F, N→O = HBSEFO.
63.(a) The man's son's maternal uncle is the son's mother's brother; that uncle's sister is the son's mother herself, so the woman in the photograph is the son's mother.
64.(a) Each term doubles: 72×2=144.
65.(a) Since all tigers are carnivores and no carnivore is a herbivore, no tiger can be a herbivore.
66.(a) Each letter shifts forward by one: M→N, A→B, R→S, K→L, E→F, R→S = NBSLFS.
67.(a) V is W's daughter and U's sibling, so U is also W's child; X is W's husband, making U his son.
68.(a) Pattern ×2−1: 13×2−1=25, 25×2−1=49, 49×2−1=97, 97×2−1=193.
69.(a) From the 9th to the 30th is 21 days, exactly 3 weeks, so the 30th is also a Monday.
70.(a) Oxygen is a gas; the others are metals.
71.(a) Total = 17+24−1 = 40.
72.(a) Each term is multiplied by 3: 216×3=648.
73.(a) Since some pencils are pens and all pens are inks, it follows that some pencils are inks; the second conclusion does not necessarily follow since not all inks need be pens.
74.(a) Using the Pythagorean theorem: distance=√(6²+8²)=√(36+64)=√100=10 km.
75.(a) In the others, the second number is the square root of the first (81=9², 100=10², 121=11²); 13²=169, not 144, so (144,13) is the odd pair.
76.(a) At 5:00, the gap between hour and minute hands is 5 hours (or equivalently 7 hours the other way); the shorter gap is 5×30°=150°.
77.(a) C and E are siblings (both children of D); F is E's son, making C the maternal uncle of F.
78.(a) A curator's typical workplace is a museum, paralleling librarian-library.
79.(a) Each pair starts 3 letters after the previous (D,G,J,M,P) with the second letter 2 ahead of the first, giving PR.
80.(a) With A at the bottom and F at the top in the order A,B,C,D,E,F, the 3rd position from the bottom is C.
81.(a) "Definitely" is spelt with "finite" embedded — de-finite-ly.
82.(a) Obstinate means stubborn.
83.(a) Arrogant is the antonym of humble.
84.(a) "Married to" is the correct idiomatic usage.
85.(a) "Happily" describes how the children played — it is an adverb.
86.(a) Correct punctuation: I bought apples, oranges, and bananas from the market.
87.(a) Passive form: Three novels have been written by her.
88.(a) Optimist means a person who is always hopeful.
89.(a) "To beat around the bush" means to avoid getting to the point.
90.(a) With "neither...nor," the verb agrees with the nearer subject "students" (plural), so "was" should be "were."
91.(a) Superlative forms ("best") always take the definite article "the."
92.(a) "Vacuum" is spelt with a single 'c' and double 'u'.
93.(a) "For" is used with a duration of time.
94.(a) Tenuous means weak or flimsy.
95.(a) Careless is the antonym of vigilant.
96.(a) Correct order: RPQS — "Time management is crucial for success in any career."
97.(a) Correct punctuation: "I'll be there soon," she promised.
98.(a) "Are" should be "is" since "Physics" (as a subject name) is treated as singular.
99.(a) Both "Arsenal" and "Armoury" are acceptable one-word substitutes for a place where weapons are stored.
100.(a) "To add insult to injury" means to make a bad situation worse.