Study Guide · Chapter 15
Part IX — Practice
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Chapter 10: Mixed Practice Set — All Tier 1 Sections (50 MCQs)
This chapter mixes questions from every section of this book, in exam-realistic random order, to simulate the IB ACIO Tier 1 paper's actual composition.
- IB ACIO Tier 1 contains how many total marks?
(a) 50 (b) 75 (c) 100 (d) 120 - The Indus Valley Civilisation's major sites include Harappa and:
(a) Pataliputra (b) Mohenjo-daro (c) Ujjain (d) Kanauj - Ashoka embraced Buddhism after which battle?
(a) Battle of Buxar (b) Kalinga War (c) Battle of Plassey (d) First Anglo-Maratha War - The Mughal Empire was founded by:
(a) Akbar (b) Babur (c) Humayun (d) Sher Shah Suri - The Indian National Congress was founded in:
(a) 1875 (b) 1885 (c) 1905 (d) 1920 - The Constitution of India came into effect on:
(a) 15 August 1947 (b) 26 January 1950 (c) 26 November 1949 (d) 2 October 1950 - Who chaired the Constitution's Drafting Committee?
(a) Jawaharlal Nehru (b) Dr. B.R. Ambedkar (c) Sardar Patel (d) Rajendra Prasad - As of August 2026, the President of India is:
(a) Ram Nath Kovind (b) Droupadi Murmu (c) Pratibha Patil (d) A.P.J. Abdul Kalam - As of August 2026, the Prime Minister of India is:
(a) Rahul Gandhi (b) Narendra Modi (c) Manmohan Singh (d) Amit Shah - India is the world's most populous country, having surpassed which country around 2023?
(a) United States (b) Indonesia (c) China (d) Brazil - The Thar Desert is located in which part of India?
(a) Northwest (Rajasthan) (b) Northeast (c) South (d) Central India - The Reserve Bank of India (RBI) was established in:
(a) 1921 (b) 1935 (c) 1947 (d) 1969 - Which sector is the largest contributor to India's GDP?
(a) Primary sector (agriculture) (b) Secondary sector (manufacturing) (c) Tertiary sector (services) (d) None; all are equal - The Repo Rate is the rate at which:
(a) The RBI lends short-term funds to commercial banks (b) Commercial banks lend to the RBI (c) Banks lend to each other exclusively (d) The government borrows from foreign banks - RAM in a computer system is best described as:
(a) Permanent, non-volatile storage (b) Volatile memory used for temporary data during processing (c) A type of printer (d) An input device - Photosynthesis is the process by which plants:
(a) Convert light energy into chemical energy, using CO2 and water, releasing oxygen (b) Absorb oxygen and release carbon dioxide exclusively (c) Convert water into oxygen only (d) Store genetic information - India's National Anthem, "Jana Gana Mana," was composed by:
(a) Bankim Chandra Chattopadhyay (b) Rabindranath Tagore (c) Sarojini Naidu (d) Iqbal - The Intelligence Bureau (IB) functions under which ministry?
(a) Ministry of Defence (b) Ministry of Home Affairs (c) Ministry of External Affairs (d) Ministry of Finance - India's external intelligence agency, established in 1968, is the:
(a) Intelligence Bureau (IB) (b) Research and Analysis Wing (R&AW) (c) National Investigation Agency (NIA) (d) Central Bureau of Investigation (CBI) - The National Investigation Agency (NIA) was established following which event?
(a) The 1993 Mumbai bombings (b) The 2001 Parliament attack (c) The 2008 Mumbai attacks (d) The 1999 Kargil War - If A is B's father and B is C's mother, then A is C's:
(a) Uncle (b) Grandfather (c) Brother (d) Cousin - Given: "All cats are animals. All animals are living things." Which conclusion necessarily follows?
(a) All cats are living things (b) All living things are cats (c) No cats are living things (d) Some living things are not cats - In the series 2, 6, 12, 20, 30, ?, what is the next term?
(a) 40 (b) 42 (c) 36 (d) 44 - In order and ranking problems, if a student is 7th from the top in a class of 30, their rank from the bottom is:
(a) 22nd (b) 23rd (c) 24th (d) 21st - A man walks 5 km north, then turns right and walks 3 km, then turns right again and walks 5 km. How far and in what direction is he from his starting point?
(a) 3 km, south of start (b) 3 km, east of start (c) 8 km, north of start (d) 3 km, west of start - Data Sufficiency questions primarily test whether:
(a) The given data is grammatically correct (b) The given data is sufficient to answer a question, without necessarily solving it fully (c) The question has no answer at all (d) Only numerical calculation skill - What is 25% of 480?
(a) 100 (b) 110 (c) 120 (d) 130 - A shopkeeper buys an item for ₹800 and sells it for ₹960. His profit percentage is:
(a) 15% (b) 20% (c) 25% (d) 30% - The simple interest on ₹5000 at 8% per annum for 3 years is:
(a) ₹1000 (b) ₹1100 (c) ₹1200 (d) ₹1300 - A can complete a work in 10 days, B in 15 days. Working together, they will complete the work in:
(a) 5 days (b) 6 days (c) 8 days (d) 12 days - A sum of ₹6000 is divided among A, B, and C in the ratio 2:3:1. B's share is:
(a) ₹1000 (b) ₹2000 (c) ₹3000 (d) ₹4000 - If 5 workers can build a wall in 12 days, how many days will 10 workers take?
(a) 4 days (b) 6 days (c) 8 days (d) 10 days - A boat's speed in still water is 10 km/h, and the current's speed is 2 km/h. The boat's downstream speed is:
(a) 8 km/h (b) 10 km/h (c) 12 km/h (d) 14 km/h - Identify the error in the sentence: "She don't like coffee." The error is in:
(a) Subject-verb agreement (b) Tense (c) Preposition (d) Article usage - Choose the word closest in meaning to "Bibliophile":
(a) A person who loves books (b) A person who fears books (c) A person who writes books only (d) A person who sells books - Choose the antonym of "Benevolent":
(a) Kind (b) Malevolent (c) Generous (d) Charitable - Choose the synonym of "Ephemeral":
(a) Permanent (b) Transient (c) Eternal (d) Stable - Para jumbling questions are best solved by first identifying:
(a) The shortest sentence (b) The topic/opening sentence and logical/pronoun references between sentences (c) The sentence with the most commas (d) The last sentence randomly - One-word substitution for "A person who can speak two languages" is:
(a) Bilingual (b) Multilingual (c) Linguist (d) Translator - The Tier 2 descriptive paper of IB ACIO includes Essay Writing, English Comprehension, and:
(a) Multiple Choice Reasoning (b) Long Answer Questions on Current Affairs/Socio-Political Issues (c) A coding test (d) A physical fitness assessment - The minimum qualifying score for Tier 2 is:
(a) 20% (b) 33% (c) 50% (d) 60% - What is the negative marking scheme in IB ACIO Tier 1?
(a) 1/4 mark per wrong answer (b) 1/3 mark per wrong answer (c) 1/2 mark per wrong answer (d) No negative marking - The Gupta Empire is often called the:
(a) Iron Age of India (b) Golden Age of ancient India (c) Age of Invasions (d) Bronze Age of India - The Battle of Plassey, marking a key step in British colonial expansion, was fought in:
(a) 1757 (b) 1764 (c) 1857 (d) 1905 - Subhas Chandra Bose is most closely associated with:
(a) The Indian National Army (INA) (b) The Indian National Congress presidency alone (c) The Din-i-Ilahi policy (d) The Kalinga War - Fundamental Rights are found in which part of the Constitution?
(a) Part II (b) Part III (c) Part IV (d) Part V - India shares a land border with all of the following EXCEPT:
(a) Pakistan (b) Sri Lanka (c) Bhutan (d) Myanmar - Inflation in India is commonly measured via the Consumer Price Index and:
(a) GDP deflator only (b) Wholesale Price Index (WPI) (c) Sensex (d) Repo Rate directly - An NPA (Non-Performing Asset) refers to a loan where the borrower has stopped repayments for generally:
(a) 30 days (b) 90 days (c) 180 days (d) 365 days - Which of the following is a widely used open-source operating system?
(a) Windows (b) macOS (c) Linux (d) MS Office
Answer Key
1.(c)
2.(b)
3.(b)
4.(b)
5.(b)
6.(b)
7.(b)
8.(b)
9.(b)
10.(c)
11.(a)
12.(b)
13.(c)
14.(a)
15.(b)
16.(a)
17.(b)
18.(b)
19.(b)
20.(c)
21.(b)
22.(a)
23.(b)
24.(c)
25.(b)
26.(b)
27.(c)
28.(b)
29.(c)
30.(b)
31.(c)
32.(b)
33.(c)
34.(a)
35.(a)
36.(b)
37.(b)
38.(b)
39.(a)
40.(b)
41.(b)
42.(a)
43.(b)
44.(a)
45.(a)
46.(b)
47.(b)
48.(b)
49.(b) 50.(c)
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