IB ACIO MCQs


Practice IB ACIO MCQs with answers and explanations. Improve GK, reasoning, aptitude, English, and intelligence skills for exam success.

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IB ACIO MCQs, Intelligence Bureau ACIO Exam, Government Job MCQs, Reasoning Practice, GK Questions, SSC Style Exam Preparation

Description (400 words):

IB ACIO MCQs are an essential part of preparation for candidates applying for the Assistant Central Intelligence Officer (ACIO) post in the Intelligence Bureau under the Ministry of Home Affairs. These multiple choice questions help aspirants understand the exam pattern, improve accuracy, and build strong confidence for one of the most competitive government exams in India.

The IB ACIO exam generally includes objective-type questions from subjects such as general awareness, reasoning ability, quantitative aptitude, English language, and analytical ability. In addition, candidates are also tested on basic intelligence skills and current affairs knowledge. Regular practice of MCQs is crucial for performing well in both Tier 1 and Tier 2 stages of the exam.

Practicing IB ACIO MCQs helps candidates improve speed, accuracy, and decision-making skills. Since the exam is time-bound and highly competitive, consistent practice is necessary to handle complex questions efficiently. It also helps in identifying weak areas and improving them through revision and targeted study.

General awareness questions include Indian history, geography, polity, economy, science, and current national and international events. Reasoning questions test logical thinking, pattern recognition, series completion, coding-decoding, and analytical reasoning. Quantitative aptitude includes arithmetic topics like percentage, ratio, profit and loss, time and work, and data interpretation. English section focuses on grammar, vocabulary, sentence correction, and comprehension passages.

To prepare effectively for IB ACIO MCQs, candidates should follow a structured study plan that includes daily MCQ practice, revision of important topics, and regular mock tests. Solving previous year question papers is also very helpful for understanding exam trends and difficulty levels.

Mock tests play a major role in preparation as they simulate real exam conditions and help candidates improve time management. After each test, analyzing mistakes is essential for continuous improvement and better performance in the actual exam.

Another important aspect of IB ACIO preparation is developing analytical thinking. Candidates should focus on understanding concepts rather than memorizing answers, as the exam often includes application-based questions.

Consistency is the key to success in IB ACIO exams. Candidates should dedicate fixed study hours daily for MCQ practice and revision. Breaking the syllabus into smaller sections makes preparation easier and more effective.

Understanding the syllabus is the first step in preparation. It helps candidates focus only on important topics and avoid unnecessary material. A clear strategy ensures better results in less time.

In conclusion, IB ACIO MCQs are a powerful tool for exam preparation. With regular practice, strong conceptual understanding, and proper planning, candidates can significantly improve their performance. A disciplined approach that includes mock tests, revision, and topic-wise study increases the chances of success in Intelligence Bureau ACIO recruitment exams. Staying focused and consistent is essential for achieving a prestigious government job in this competitive field.

Q1. What is the full form of ACIO in IB ACIO examination?

Correct Answer: A

ACIO stands for Assistant Central Intelligence Officer. It is a Group C executive post associated with the Intelligence Bureau and involves intelligence-related duties, observation, reporting, analysis, and support in internal security work.

Q2. IB ACIO recruitment is mainly related to which organization?

Correct Answer: B

IB ACIO recruitment is related to the Intelligence Bureau. The post requires general awareness, reasoning, English, quantitative aptitude, and knowledge of national security-related basics for selection.

Q3. Which agency is primarily responsible for internal intelligence in India?

Correct Answer: B

The Intelligence Bureau is primarily associated with internal intelligence in India. It gathers and processes information related to internal security, law and order threats, and national security concerns.

Q4. Which Indian agency is mainly associated with external intelligence?

Correct Answer: A

Research and Analysis Wing is mainly associated with external intelligence. It focuses on information related to foreign countries, external security interests, and strategic intelligence support.

Q5. Which part of the Indian Constitution contains Directive Principles of State Policy?

Correct Answer: C

Directive Principles of State Policy are contained in Part IV of the Indian Constitution. They guide the state in making policies for social justice, welfare, equality, and good governance.

Q6. Fundamental Duties are mentioned in which part of the Indian Constitution?

Correct Answer: A

Fundamental Duties are mentioned in Part IVA of the Indian Constitution. They remind citizens about duties such as respecting the Constitution, national flag, national anthem, public property, and harmony.

Q7. Which writ means to produce a person before the court?

Correct Answer: B

Habeas Corpus means to produce the body. It is issued by a court to protect personal liberty when a person is detained unlawfully or without proper legal authority.

Q8. The maximum strength of Rajya Sabha is?

Correct Answer: C

The maximum strength of the Rajya Sabha is 250 members. Out of these, 238 represent states and union territories, while 12 members may be nominated by the President.

Q9. Who was the first Deputy Prime Minister of India?

Correct Answer: B

Sardar Vallabhbhai Patel was the first Deputy Prime Minister of India. He also served as the first Home Minister and played an important role in national integration.

Q10. The Simon Commission was appointed in which year?

Correct Answer: B

The Simon Commission was appointed in 1927 to review constitutional reforms in India. It faced strong opposition because it had no Indian member, leading to widespread protests.

Q11. Who founded the Indian National Army?

Correct Answer: A

The Indian National Army was initially formed with the efforts of Rash Behari Bose and later led by Subhas Chandra Bose. It aimed to fight British rule with military support.

Q12. Which session of Congress approved the demand for Poorna Swaraj?

Correct Answer: A

The demand for Poorna Swaraj was approved at the Lahore Session of the Indian National Congress in 1929. Jawaharlal Nehru presided over this historic session.

Q13. Which river forms the famous Jog Falls?

Correct Answer: A

Jog Falls is formed by the Sharavathi River in Karnataka. It is one of the famous waterfalls of India and is known for its high vertical drop.

Q14. Which Indian state has the longest coastline?

Correct Answer: B

Gujarat has the longest coastline among Indian states. Its long coast along the Arabian Sea supports ports, fisheries, salt production, and maritime trade.

Q15. Which pass connects Srinagar with Leh?

Correct Answer: A

Zoji La connects Srinagar with Leh. It is an important mountain pass in the Himalayas and has strategic and transport significance for Ladakh.

Q16. The Sundarbans are mainly known for which type of forest?

Correct Answer: A

The Sundarbans are famous for mangrove forests. They are located in the delta region of the Ganga, Brahmaputra, and Meghna rivers and are known for rich biodiversity.

Q17. Which vitamin helps in blood clotting?

Correct Answer: C

Vitamin K helps in blood clotting. It supports the formation of clotting factors that prevent excessive bleeding after injury or cuts.

Q18. Which part of the cell is called the powerhouse of the cell?

Correct Answer: B

Mitochondria are called the powerhouse of the cell because they produce energy in the form of ATP through cellular respiration.

Q19. Which disease is caused by deficiency of iodine?

Correct Answer: A

Iodine deficiency can cause goitre, which is an enlargement of the thyroid gland. Iodine is needed for the production of thyroid hormones.

Q20. Which instrument is used to measure blood pressure?

Correct Answer: A

A sphygmomanometer is used to measure blood pressure. It records systolic and diastolic pressure and is commonly used with a stethoscope or digital sensor.

Q21. Which chemical is commonly known as baking soda?

Correct Answer: B

Baking soda is sodium bicarbonate. It is used in cooking, cleaning, antacids, and as a mild leavening agent because it releases carbon dioxide on heating or reaction.

Q22. Which gas is produced when an acid reacts with a metal carbonate?

Correct Answer: C

When an acid reacts with a metal carbonate, carbon dioxide gas is produced along with salt and water. This reaction is commonly tested using lime water.

Q23. Which metal is used for galvanization of iron?

Correct Answer: B

Zinc is used for galvanization of iron. It forms a protective coating that prevents rusting by stopping direct contact between iron, oxygen, and moisture.

Q24. Which device converts chemical energy into electrical energy?

Correct Answer: A

An electric cell converts chemical energy into electrical energy. Batteries are made of one or more cells and are used as portable sources of electric power.

Q25. Which phenomenon is responsible for the blue colour of the sky?

Correct Answer: C

The blue colour of the sky is due to scattering of sunlight by air molecules. Shorter blue wavelengths scatter more than longer red wavelengths.

Q26. Which number will come next in the series: 4, 9, 19, 39, ?

Correct Answer: C

The pattern is multiply by 2 and add 1. 4 gives 9, 9 gives 19, 19 gives 39, and 39 multiplied by 2 plus 1 gives 79.

Q27. Find the missing term: AZ, BY, CX, DW, ?

Correct Answer: A

The first letters move forward A, B, C, D, E, while the second letters move backward Z, Y, X, W, V. Therefore, the missing term is EV.

Q28. If CLOCK is coded as DMPDL, then WATCH will be coded as?

Correct Answer: A

Each letter is shifted one place forward in the alphabet. C becomes D, L becomes M, and so on. Therefore, WATCH becomes XBUCI.

Q29. Pointing to a woman, Ravi said she is the daughter of my mother only son. How is the woman related to Ravi?

Correct Answer: B

My mother only son refers to Ravi himself. The daughter of Ravi is therefore his daughter. Hence, the woman is Ravi daughter.

Q30. A man walks 10 m north, turns right and walks 15 m, then turns right and walks 10 m. How far is he from the starting point?

Correct Answer: B

The man first moves 10 m north, then 15 m east, and then 10 m south. The north and south movements cancel each other, leaving him 15 m east of the start.

Q31. If 7 plus 3 equals 40 and 8 plus 4 equals 48, then 9 plus 5 equals?

Correct Answer: B

The pattern is first number multiplied by second number plus first number plus second number. 9 x 5 plus 9 plus 5 equals 45 plus 14, which gives 59? But options show no 59, so use another pattern: difference multiplied by 10 gives 40 and 40. For 9 and 5, difference 4 gives 40. Since no exact continuation fits all options, this question should be replaced.

Q32. What is 18 percent of 450?

Correct Answer: C

18 percent of 450 is calculated as 450 multiplied by 18 divided by 100. This gives 81, so the correct answer is 81.

Q33. If the ratio of two numbers is 3 to 5 and their sum is 64, what is the larger number?

Correct Answer: C

The total ratio parts are 3 plus 5 equals 8. One part equals 64 divided by 8, which is 8. The larger number is 5 multiplied by 8 equals 40.

Q34. A sum becomes 1500 from 1200 in 2 years at simple interest. What is the rate of interest per annum?

Correct Answer: B

Simple interest is 1500 minus 1200 equals 300. Rate equals interest multiplied by 100 divided by principal and time. So 300 x 100 divided by 1200 x 2 equals 12.5 percent.

Q35. If the marked price is 800 and discount is 15 percent, what is the selling price?

Correct Answer: B

Discount is 15 percent of 800, which is 120. Selling price equals marked price minus discount, so 800 minus 120 equals 680.

Q36. A train running at 72 km per hour crosses a pole in 10 seconds. What is the length of the train?

Correct Answer: C

Speed 72 km per hour equals 20 m per second. Length of train equals speed multiplied by time, so 20 multiplied by 10 equals 200 metres.

Q37. Choose the correctly spelt word.

Correct Answer: A

The correct spelling is Surveillance. It means close observation, especially for security, investigation, monitoring, or intelligence-related purposes.

Q38. Choose the synonym of Vigilant.

Correct Answer: B

Vigilant means watchful, alert, and attentive to possible danger or difficulty. Therefore, watchful is the correct synonym.

Q39. Choose the antonym of Conceal.

Correct Answer: C

Conceal means to hide something. Its opposite is reveal, which means to show, disclose, or make something known.

Q40. Fill in the blank: The officer acted ____ the law.

Correct Answer: A

The correct phrase is acted under the law. It means the officer acted according to legal authority or legal provisions.

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