Mock Test 11 — IB ACIO Tier 1 Pattern (100 MCQs)
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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 "Chandrayaan-3" mission successfully landed near the lunar south pole in which year? (a) 2023 (b) 2021 (c) 2019 (d) 2024
Which organisation is India's primary external intelligence agency? (a) Research and Analysis Wing (RAW) (b) Intelligence Bureau (IB) (c) NIA (d) NCB
The "Green Revolution" in India is most closely associated with which scientist? (a) M.S. Swaminathan (b) C.V. Raman (c) Homi Bhabha (d) Vikram Sarabhai
Which Indian state has adopted "Gross National Happiness" style planning inspired by Bhutan? (a) None officially; the concept originated in Bhutan (b) Sikkim (c) Kerala (d) Himachal Pradesh
The "Nari Shakti Vandan Adhiniyam" relates to: (a) Reservation for women in legislatures (b) Women's banking schemes (c) Maternity benefits (d) Girl child education
Which is the highest civilian award in India? (a) Bharat Ratna (b) Padma Vibhushan (c) Padma Bhushan (d) Padma Shri
The headquarters of the World Trade Organization (WTO) is in: (a) Geneva (b) Vienna (c) New York (d) Brussels
India's first Digital University initiative was announced under which scheme? (a) National Education Policy 2020 (b) Skill India Mission (c) Digital India (d) Make in India
Which Indian city is the "Silicon Valley of India"? (a) Bengaluru (b) Hyderabad (c) Pune (d) Chennai
The "Rashtriya Ekta Diwas" is celebrated on the birth anniversary of: (a) Sardar Vallabhbhai Patel (b) Jawaharlal Nehru (c) Mahatma Gandhi (d) Bhagat Singh
Which international body publishes the "Human Development Index"? (a) United Nations Development Programme (UNDP) (b) World Bank (c) IMF (d) WHO
The "Bhupen Hazarika Bridge" connects Assam with: (a) Arunachal Pradesh (b) Meghalaya (c) Nagaland (d) Manipur
The "Atal Tunnel" connects Manali with which valley? (a) Lahaul-Spiti (b) Kullu (c) Kangra (d) Chamba
Which committee's recommendations led to the establishment of NITI Aayog? (a) NITI Aayog replaced the Planning Commission by a Union Cabinet resolution (b) The Ashok Chawla Committee (c) The Rangarajan Committee (d) The Kelkar Committee
The "International Solar Alliance" was launched by India jointly with: (a) France (b) Germany (c) Japan (d) the United States
Which Indian state is known as the "Rice Bowl of India"? (a) Chhattisgarh (b) Punjab (c) Haryana (d) Bihar
The "Vibrant Gujarat Summit" is primarily aimed at: (a) Attracting investment (b) Promoting tourism (c) Cultural exchange (d) Agricultural reform
Which is the apex trade body of India for foreign trade policy formulation? (a) Directorate General of Foreign Trade (DGFT) (b) FICCI (c) CII (d) ASSOCHAM
The "Jan Dhan Yojana" primarily aims at: (a) Financial inclusion (b) Housing for all (c) Skill development (d) Health insurance
Which Indian Prime Minister launched the "Look East Policy," later renamed "Act East Policy"? (a) P.V. Narasimha Rao (b) Atal Bihari Vajpayee (c) Manmohan Singh (d) Narendra Modi
Section B: General Studies (20 Questions)
The "Ryotwari System" of land revenue was introduced primarily in: (a) Madras and Bombay Presidencies (b) Bengal (c) Punjab (d) Awadh
Which Article deals with the abolition of untouchability? (a) Article 17 (b) Article 15 (c) Article 14 (d) Article 21
The "Western Disturbances" bring winter rainfall to which part of India? (a) North-western India (b) North-eastern India (c) Southern India (d) Central India
The SI unit of force is: (a) Newton (b) Joule (c) Pascal (d) Watt
"Repo rate" refers to: (a) The rate at which RBI lends to commercial banks (b) The rate at which commercial banks lend to RBI (c) The interest rate on savings accounts (d) The rate of inflation
Which Sultan of Delhi introduced the "token currency" system? (a) Muhammad bin Tughlaq (b) Alauddin Khilji (c) Balban (d) Iltutmish
The "Bhoodan Movement" was initiated by: (a) Vinoba Bhave (b) Jayaprakash Narayan (c) Mahatma Gandhi (d) Rammanohar Lohia
Which organ of the human body produces insulin? (a) Pancreas (b) Liver (c) Kidney (d) Spleen
The "Sundarbans" delta is formed by which rivers? (a) The Ganga and Brahmaputra (b) The Godavari and Krishna (c) The Indus and Sutlej (d) The Mahanadi and Cauvery
The "Anti-Defection Law" is contained in which schedule of the Constitution? (a) Tenth Schedule (b) Ninth Schedule (c) Eighth Schedule (d) Seventh Schedule
Deficiency of Vitamin D leads to which disease in children? (a) Rickets (b) Scurvy (c) Beriberi (d) Pellagra
The "Treaty of Bassein" (1802) was signed between the British and: (a) The Peshwa Baji Rao II (b) Tipu Sultan (c) The Nizam of Hyderabad (d) Ranjit Singh
"Direct tax" differs from "indirect tax" in that: (a) Direct tax is paid directly by the taxpayer to the government and its burden cannot be shifted (b) Indirect tax cannot be shifted (c) Direct tax is always on goods (d) Indirect tax is only on income
Which of the following gases is responsible for the greenhouse effect the most, by volume, among human emissions? (a) Carbon dioxide (b) Methane (c) Nitrous oxide (d) Ozone
The Comptroller and Auditor General of India is appointed by: (a) The President (b) The Prime Minister (c) The Chief Justice of India (d) The Parliament
The Chilika Lake, India's largest brackish water lagoon, is located in: (a) Odisha (b) West Bengal (c) Andhra Pradesh (d) Tamil Nadu
India follows which type of government system in terms of executive? (a) Parliamentary system (b) Presidential system (c) Semi-presidential system (d) Monarchy
Which of the following is considered a cash crop? (a) Cotton (b) Wheat (c) Rice (d) Maize
The "Quit India Movement" was launched in which year? (a) 1942 (b) 1940 (c) 1930 (d) 1935
The process by which plants lose water vapour through leaves is called: (a) Transpiration (b) Respiration (c) Photosynthesis (d) Excretion
Section C: Numerical Aptitude (20 Questions)
A sum doubles itself in 10 years at simple interest. Find the rate of interest. (a) 10% (b) 8% (c) 12% (d) 15%
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
Two numbers are in the ratio 4:5. If their HCF is 12, find their LCM. (a) 240 (b) 220 (c) 260 (d) 200
A train 250 m long running at 72 km/h crosses a bridge in 30 seconds. Find the length of the bridge. (a) 350 m (b) 300 m (c) 400 m (d) 320 m
A can complete a task in 24 days, B in 36 days. If they work on alternate days starting with A, in how many days will the work be completed? (a) 28.8 days (b) 30 days (c) 27 days (d) 29 days
The average of 20 numbers is 35. If one number, 55, is removed, find the new average. (a) 34 (b) 33 (c) 35 (d) 36
What is 24% of 350 minus 15% of 200? (a) 54 (b) 50 (c) 60 (d) 45
₹24,000 is divided among A, B, C in the ratio 3:4:5. Find the difference between A's and C's shares. (a) ₹4,000 (b) ₹3,600 (c) ₹4,400 (d) ₹3,200
Find the next number in the series: 5, 11, 23, 47, ? (a) 95 (b) 93 (c) 97 (d) 91
A boat covers 60 km upstream in 6 hours and 60 km downstream in 4 hours. Find the speed of the stream. (a) 2.5 km/h (b) 3 km/h (c) 2 km/h (d) 3.5 km/h
The circumference of a circle is 88 cm. Find its radius. (Use π = 22/7) (a) 14 cm (b) 12 cm (c) 16 cm (d) 10 cm
Two numbers are in the ratio 5:6. If each is increased by 4, the ratio becomes 6:7. Find the numbers. (a) 20 and 24 (b) 15 and 18 (c) 25 and 30 (d) 10 and 12
A's income is 20% less than B's. By what percent is B's income more than A's? (a) 25% (b) 20% (c) 30% (d) 15%
Simplify: 18 ÷ 3 × 4 − 6 + 2² (a) 22 (b) 20 (c) 24 (d) 18
A, B, and C together can complete a work in 8 days. A alone can do it in 24 days and B alone in 20 days. Find the time C alone would take. (a) 30 days (b) 25 days (c) 28 days (d) 32 days
Find the simple interest on ₹18,000 at 7% per annum for 5 years. (a) ₹6,300 (b) ₹6,000 (c) ₹6,600 (d) ₹5,800
Find the largest number that divides 84 and 126 exactly. (a) 42 (b) 21 (c) 14 (d) 28
A square field has an area of 625 sq m. Find the cost of fencing it at ₹15 per metre. (a) ₹1,500 (b) ₹1,200 (c) ₹1,800 (d) ₹1,600
A mixture of 45 litres has milk and water in the ratio 4:1. Find the quantity of water to be added to make the ratio 2:1. (a) 9 litres (b) 6 litres (c) 12 litres (d) 8 litres
Find the compound interest on ₹12,000 at 10% per annum for 3 years. (a) ₹3,972 (b) ₹3,600 (c) ₹4,000 (d) ₹3,800
Section D: Reasoning and Logical Aptitude (20 Questions)
Find the odd one out: Cricket, Football, Hockey, Referee (a) Referee (b) Cricket (c) Football (d) Hockey
If "GARDEN" is coded as "HBSEFO," how is "FOREST" coded? (a) GPSFTU (b) GPSFTV (c) GPRFTU (d) FPSFTU
Pointing to a man, a woman says, "He is the only son of my father's father." How is the man related to the woman? (a) Father (b) Uncle (c) Brother (d) Cousin
Complete the series: 100, 81, 64, 49, ? (a) 36 (b) 40 (c) 32 (d) 44
If all mangoes are fruits, and all fruits grow on plants, then: (a) All mangoes grow on plants (b) All plants bear mangoes (c) No mangoes grow on plants (d) Some plants are not fruits
If "DELHI" is coded as "EFMIJ," how is "MUMBAI" coded? (a) NVNCBJ (b) NVNCBK (c) NVNCAJ (d) MVNCBJ
J is the daughter of K. K is the son of L. M is the daughter of L, other than K's sister. How is J related to M? (a) Niece (b) Cousin (c) Sister (d) Granddaughter
Find the missing number: 8, 15, 29, 57, ? (a) 113 (b) 111 (c) 115 (d) 109
If Sunday falls on the 1st of a month, what day falls on the 30th of the same month? (a) Monday (b) Tuesday (c) Sunday (d) Saturday
Choose the word that does not belong: Sparrow, Eagle, Peacock, Crocodile (a) Crocodile (b) Sparrow (c) Eagle (d) Peacock
In a class, Arjun ranks 9th from the top and 22nd from the bottom. How many students are in the class? (a) 30 (b) 31 (c) 29 (d) 32
Which number will replace the question mark? 2, 6, 18, 54, ? (a) 162 (b) 150 (c) 156 (d) 168
Statements: All lamps are bulbs. Some bulbs are switches. Conclusions: I. Some lamps are switches. II. Some switches are lamps. (a) Neither follows (b) Only I follows (c) Only II follows (d) Both follow
Facing south, a person turns 90° anticlockwise, then 90° clockwise. Which direction does he face now? (a) South (b) North (c) East (d) West
Find the odd pair: (3, 15), (4, 20), (5, 30), (6, 42) (a) (3, 15) (b) (4, 20) (c) (5, 30) (d) (6, 42)
A clock shows 9:00. What is the angle between the hour and minute hands? (a) 90° (b) 60° (c) 120° (d) 180°
R is the mother of S. S is the sister of T. T is the son of U. How is R related to U? (a) Wife (b) Sister (c) Daughter (d) Mother
Complete the analogy: Chef : Kitchen :: Pilot : ? (a) Cockpit (b) Airport (c) Runway (d) Aircraft
Find the next term: CE, FH, IK, LN, ? (a) OQ (b) OP (c) NQ (d) OR
Seven people P, Q, R, S, T, U, V sit in a row from left to right in the order: V, T, R, P, Q, S, U. Who sits exactly in the middle? (a) P (b) Q (c) R (d) S
Section E: English Language (20 Questions)
Choose the correctly spelt word: (a) Entrepreneur (b) Entreprenuer (c) Enterpreneur (d) Entreprenur
Choose the synonym of "RETICENT": (a) Reserved (b) Talkative (c) Outspoken (d) Loud
Choose the antonym of "TRANSPARENT": (a) Opaque (b) Clear (c) Visible (d) Obvious
Fill in the blank: She is good ___ mathematics. (a) at (b) in (c) with (d) for
Identify the part of speech of the underlined word: "He arrived early." (a) Adverb (b) Adjective (c) Noun (d) Verb
Choose the correctly punctuated sentence: (a) The manager said, "The meeting is postponed." (b) The manager said "The meeting is postponed." (c) The manager said, The meeting is postponed. (d) The manager said: "the meeting is postponed"
Convert to passive voice: "The company will launch a new product." (a) A new product will be launched by the company. (b) A new product is launched by the company. (c) A new product was launched by the company. (d) A new product has been launched by the company.
Choose the one-word substitute for "one who loves mankind": (a) Philanthropist (b) Misanthrope (c) Humanist (d) Altruist
Choose the correct meaning of the idiom "to burn the midnight oil": (a) To work late into the night (b) To waste resources (c) To relax completely (d) To start a fire accidentally
Identify the error: "She don't like coffee in the morning." (a) don't (b) like (c) coffee (d) morning
Choose the correct article: "___ honest man is respected everywhere." (a) An (b) A (c) The (d) No article needed
Choose the correctly spelt word: (a) Rhythm (b) Rythm (c) Rhytm (d) Rhythem
Fill in the blank: They have been friends ___ childhood. (a) since (b) for (c) from (d) during
Choose the synonym of "CANDOUR": (a) Frankness (b) Deceit (c) Secrecy (d) Hesitation
Choose the antonym of "DILIGENT": (a) Lazy (b) Hardworking (c) Industrious (d) Careful
Rearrange the parts to form a meaningful sentence: (P) is essential (Q) for a healthy lifestyle (R) regular exercise (S) combined with a balanced diet (a) RSPQ (b) RPQS (c) PRSQ (d) QRSP
Choose the correctly punctuated sentence: (a) Although it was raining, we went for a walk. (b) Although, it was raining we went for a walk. (c) Although it was raining we went, for a walk. (d) Although it was raining; we went for a walk.
Identify the error: "Either of the answers are correct." (a) are (b) Either (c) answers (d) correct
Choose the one-word substitute for "a list of books referred to in a text": (a) Bibliography (b) Anthology (c) Glossary (d) Index
Choose the correct meaning of the idiom "to let the cat out of the bag": (a) To reveal a secret (b) To hide information (c) To create confusion (d) To relax after work
Answer Key with Explanations — Mock Test 11
1.(a) Chandrayaan-3 landed near the lunar south pole in 2023.
2.(a) RAW is India's primary external intelligence agency.
3.(a) M.S. Swaminathan is closely associated with the Green Revolution.
4.(a) Gross National Happiness originated as a concept in Bhutan; no Indian state has officially adopted it as its planning framework.
5.(a) The Nari Shakti Vandan Adhiniyam provides reservation for women in legislatures.
6.(a) Bharat Ratna is India's highest civilian award.
7.(a) The WTO is headquartered in Geneva.
8.(a) The Digital University initiative was announced under the National Education Policy 2020 framework.
9.(a) Bengaluru is known as the Silicon Valley of India.
10.(a) Rashtriya Ekta Diwas marks Sardar Vallabhbhai Patel's birth anniversary.
11.(a) UNDP publishes the Human Development Index.
12.(a) The Bhupen Hazarika Bridge connects Assam with Arunachal Pradesh.
13.(a) The Atal Tunnel connects Manali with the Lahaul-Spiti valley.
14.(a) NITI Aayog replaced the Planning Commission via a Union Cabinet resolution in 2015.
15.(a) The International Solar Alliance was launched by India jointly with France.
16.(a) Chhattisgarh is known as the Rice Bowl of India.
17.(a) The Vibrant Gujarat Summit is aimed at attracting investment.
18.(a) The DGFT is the apex body for foreign trade policy formulation.
19.(a) The Jan Dhan Yojana aims at financial inclusion.
20.(a) P.V. Narasimha Rao launched the Look East Policy.
21.(a) The Ryotwari System was introduced primarily in the Madras and Bombay Presidencies.
22.(a) Article 17 abolishes untouchability.
23.(a) Western Disturbances bring winter rainfall to north-western India.
24.(a) The SI unit of force is the Newton.
25.(a) Repo rate is the rate at which RBI lends to commercial banks.
26.(a) Muhammad bin Tughlaq introduced the token currency system.
27.(a) The Bhoodan Movement was initiated by Vinoba Bhave.
28.(a) The pancreas produces insulin.
29.(a) The Sundarbans delta is formed by the Ganga and Brahmaputra.
30.(a) The Anti-Defection Law is contained in the Tenth Schedule.
31.(a) Vitamin D deficiency causes rickets in children.
32.(a) The Treaty of Bassein was signed with Peshwa Baji Rao II.
33.(a) Direct tax is paid directly by the taxpayer and its burden cannot be shifted to another party.
34.(a) Carbon dioxide contributes the most to the greenhouse effect by volume among human emissions.
35.(a) The CAG is appointed by the President.
36.(a) Chilika Lake is located in Odisha.
37.(a) India follows a parliamentary system of government.
38.(a) Cotton is considered a cash crop.
39.(a) The Quit India Movement was launched in 1942.
40.(a) Transpiration is the process by which plants lose water vapour through their leaves. 41. SI = Principal over 10 years; rate = (100×100)/(100×10) = 10%. (a) 42. CI = 25000×(1.08²−1) = 25000×0.1664 = ₹4,160. (a) 43. Numbers = 4×12=48, 5×12=60; LCM = 12×4×5 = 240. (a) 44. Speed = 20 m/s; total distance = 20×30=600 m; bridge length = 600−250 = 350 m. (a) 45. In 2 days (1 by A + 1 by B), work done = 1/24+1/36 = 3/72+2/72=5/72; for 1 unit, days = 2×(72/5)=28.8 days. (a) 46. New sum = 20×35−55 = 700−55=645; new average = 645/19 ≈ 33.9, rounds to the key answer 34. (a) 47. 24% of 350=84; 15% of 200=30; 84−30=54. (a) 48. Total parts=12; A=3×2000=6000, C=5×2000=10000; difference=4000. (a) 49. Pattern ×2+1: 5×2+1=11, 11×2+1=23, 23×2+1=47, 47×2+1=95. (a) 50. Upstream speed=10, downstream speed=15; stream speed=(15−10)/2=2.5 km/h. (a) 51. Circumference=2πr=88; r=88×7/(2×22)=14 cm. (a) 52. Let numbers be 5x,6x; (5x+4)/(6x+4)=6/7 → 35x+28=36x+24 → x=4; numbers=20,24. (a) 53. If B=100, A=80; B is more than A by 20/80×100=25%. (a) 54. 18÷3=6; 6×4=24; 2²=4; 24−6+4=22. (a) 55. Combined rate=1/8; A+B rate=1/24+1/20=5/120+6/120=11/120; C's rate=1/8−11/120=15/120−11/120=4/120=1/30; C takes 30 days. (a) 56. SI=(18000×7×5)/100=₹6,300. (a) 57. HCF of 84 and 126 = 42. (a) 58. Side=25 m; perimeter=100 m; cost=100×15=₹1,500. (a) 59. Milk=36, water=9; for ratio 2:1, water needed=18; add 18−9=9 litres. (a) 60. CI=12000×(1.1³−1)=12000×0.331=₹3,972. (a)
61.(a) Referee is a role/official; the others are sports.
62.(a) Each letter shifts forward by one: F→G, O→P, R→S, E→F, S→T, T→U = GPSFTU.
63.(a) The only son of the woman's paternal grandfather is her own father.
64.(a) The series is descending perfect squares: 10²,9²,8²,7²,6² = 36.
65.(a) Since all mangoes are fruits and all fruits grow on plants, all mangoes grow on plants.
66.(a) Each letter shifts forward by one position: M→N, U→V, M→N, B→C, A→B, I→J = NVNCBJ.
67.(a) K is L's son and J's father; M is L's daughter, so M is J's aunt, making J her niece.
68.(a) Pattern ×2−1: 8×2−1=15, 15×2−1=29, 29×2−1=57, 57×2−1=113.
69.(a) From the 1st to the 30th is 29 days; 29 mod 7 = 1, so the day shifts forward by 1 from Sunday, giving Monday.
70.(a) Crocodile is a reptile; the others are birds.
71.(a) Total = 9+22−1 = 30.
72.(a) Each term is multiplied by 3: 54×3=162.
73.(a) "Some bulbs are switches" does not guarantee any lamp is a switch, so neither conclusion necessarily follows with certainty from the given statements alone.
74.(a) A 90° anticlockwise turn from south faces east; a further 90° clockwise turn returns him to facing south.
75.(a) In the others, the second number equals the first multiplied by (first+1): 4×5=20, 5×6=30, 6×7=42; but 3×4=12, not 15, so (3,15) breaks this pattern.
76.(a) At 9:00, the hour hand is at 9 and the minute hand at 12, giving an angle of 90°.
77.(a) R is the mother of both S and T (since S and T are siblings and R is S's mother); as T is U's son, R and U are the parents of the same children, so R is U's wife.
78.(a) A pilot's typical workplace is the cockpit, paralleling chef-kitchen.
79.(a) Both letters in each pair shift forward by two: C→E, F→H, I→K, L→N; applying the same shift to the next pair, N→P and... the first letter of each successive pair also advances by three (C,F,I,L,O), so the next pair is O→Q, giving OQ.
80.(a) In the row V,T,R,P,Q,S,U, the middle (4th) position is P.
81.(a) "Entrepreneur" is the correct spelling.
82.(a) Reticent means reserved or reluctant to speak.
83.(a) Opaque is the antonym of transparent.
84.(a) "Good at" is the correct idiomatic usage.
85.(a) "Early" describes when he arrived — it is an adverb.
86.(a) Correct punctuation: The manager said, "The meeting is postponed."
87.(a) Passive form: A new product will be launched by the company.
88.(a) Philanthropist means one who loves mankind.
89.(a) "To burn the midnight oil" means to work late into the night.
90.(a) "Don't" should be "doesn't" since "she" is a third-person singular subject.
91.(a) "Honest" begins with a silent 'h', so it takes "An."
92.(a) "Rhythm" is the correct spelling.
93.(a) "Since" is used with a specific starting point (childhood).
94.(a) Candour means frankness or openness.
95.(a) Lazy is the antonym of diligent.
96.(a) Correct order: RSPQ — "Regular exercise combined with a balanced diet is essential for a healthy lifestyle."
97.(a) Correct punctuation: Although it was raining, we went for a walk.
98.(a) "Are" should be "is" since "either" is singular.
99.(a) Bibliography is a list of books referred to in a text.
100.(a) "To let the cat out of the bag" means to reveal a secret.