Air Force Common Admission Test (AFCAT) — Questions and Answers

Question 1: What does DNA stand for?

Deoxyribose Nitrogen Acid
Deoxyribonucleic Acid (Correct answer)
Deoxyribose Nucleic Acid
Diribonucleic Acid

Correct answer: Deoxyribonucleic Acid

DNA stands for Deoxyribonucleic Acid, the molecule that carries genetic information in living organisms.

Question 2: What is the next term in the series: AZ, BY, CX, DW, ?

FV
EU
EV (Correct answer)
EW

Correct answer: EV

First letters advance (A,B,C,D,E) and second letters retreat (Z,Y,X,W,V), giving EV.

Question 3: What does the term 'RADAR' stand for?

Radio Amplification Detection And Ranging
Radio Detection And Ranging (Correct answer)
Rapid Aerial Detection And Ranging
Remote Aerial Detection And Ranging

Correct answer: Radio Detection And Ranging

RADAR stands for Radio Detection And Ranging, a system that uses radio waves to detect and locate objects.

Question 4: Which communication technique is most effective for conveying complex AFCAT information?

Using only written memos
Combining visual aids with clear verbal explanation (Correct answer)
Using only technical jargon
Sending lengthy emails

Correct answer: Combining visual aids with clear verbal explanation

Combining visual aids with clear verbal explanations addresses different learning styles and improves comprehension of complex information.

Question 5: If today is Wednesday, what day of the week will it be 100 days from now?

Sunday
Saturday
Monday
Friday (Correct answer)

Correct answer: Friday

100 ÷ 7 = 14 weeks remainder 2; Wednesday + 2 days = Friday.

Question 6: What is the most important professional competency for AFCAT certification in data interpretation?

Ability to work alone exclusively
Memorization of all reference materials
Speed of task completion
Deep knowledge combined with practical application skills (Correct answer)

Correct answer: Deep knowledge combined with practical application skills

Professional competency requires both deep knowledge of the subject matter and the ability to apply that knowledge in practical situations.

Question 7: Choose the correctly spelled word.

Acommodate
Accommodate (Correct answer)
Accomodate
Acommadate

Correct answer: Accommodate

The word "accommodate" is frequently misspelled. The correct spelling includes two 'c's and two 'm's. This adheres to standard English orthography, making option B the only correct choice among the given alternatives.

Question 8: Choose the correct active voice of: 'The target was destroyed by the missiles.' (A) The missiles destroyed the target. (B) The missiles had destroyed the target. (C) The target destroyed the missiles. (D) The missiles were destroying the target.

The missiles destroyed the target. (Correct answer)
The missiles were destroying the target.
The target destroyed the missiles.
The missiles had destroyed the target.

Correct answer: The missiles destroyed the target.

Active voice puts the agent ('missiles') as the subject performing the action ('destroyed') on the object ('target').

Question 9: Which DRDO-developed surface-to-air missile system is designed for short-range air defense?

Shaurya
Prithvi
Nirbhay
Akash (Correct answer)

Correct answer: Akash

Akash is a medium-range surface-to-air missile system developed by DRDO, providing air defense against aircraft and drones.

Question 10: Which Indian space mission successfully demonstrated space docking technology (SpaDeX) in 2025?

RISAT-3
Aditya-L2
SpaDeX-1 and SpaDeX-2 (Correct answer)
Chandrayaan-4

Correct answer: SpaDeX-1 and SpaDeX-2

India's SpaDeX mission in January 2025 successfully docked two small spacecraft, making India the fourth country to achieve space docking.

Question 11: Which professional attribute is most valued in reasoning and logic within the AFCAT field?

Accountability and commitment to standards (Correct answer)
Avoiding challenging situations
Working in isolation
Prioritizing personal convenience

Correct answer: Accountability and commitment to standards

Accountability and commitment to professional standards build trust and ensure consistent, high-quality practice.

Question 12: The 2025 Nobel Peace Prize was awarded to which organization or individual?

ICAN (International Campaign to Abolish Nuclear Weapons)
UN Refugee Agency (UNHCR)
Nihon Hidankyo (Correct answer)
Greta Thunberg

Correct answer: Nihon Hidankyo

Nihon Hidankyo, the Japanese organization of atomic bomb survivors (hibakusha), won the 2024 Nobel Peace Prize for its work toward a nuclear-free world.

Question 13: The ancient site of Mohenjo-Daro is located in present-day:

Afghanistan
Pakistan (Sindh) (Correct answer)
Bangladesh
India (Gujarat)

Correct answer: Pakistan (Sindh)

Mohenjo-Daro is located in Sindh province of modern Pakistan and was one of the largest cities of the Indus Valley Civilization.

Question 14: What is the function of a transistor in electronic circuits?

Stores electrical charge for later release
Resists current flow to control voltage
Converts AC to DC current
Amplifies or switches electronic signals (Correct answer)

Correct answer: Amplifies or switches electronic signals

A transistor acts as an amplifier or electronic switch, forming the fundamental building block of modern electronic devices.

Question 15: Six cadets scored: 72, 85, 90, 68, 78, 95. What is their median score?

80
78
81.5 (Correct answer)
85

Correct answer: 81.5

Sorted: 68, 72, 78, 85, 90, 95; Median = (78+85)/2 = 81.5.

Question 16: Which factor is most important when evaluating the quality of scientific research for AFCAT?

Methodology, sample size, and peer review status (Correct answer)
Number of references cited
Length of the study report
Reputation of the authors

Correct answer: Methodology, sample size, and peer review status

Research quality is best evaluated by examining the methodology, adequacy of sample size, and whether the study has undergone peer review.

Question 17: Fill in the blank: The squadron leader spoke with such ______ that no one dared to question his orders. (A) ambiguity (B) authority (C) humility (D) lethargy

humility
lethargy
authority (Correct answer)
ambiguity

Correct answer: authority

'Authority' fits because it explains why subordinates would not question the leader.

Question 18: Which element is essential in a well-written AFCAT professional report?

Ambiguous conclusions
Personal opinions without evidence
Emotional language
Objective findings supported by data (Correct answer)

Correct answer: Objective findings supported by data

Professional reports require objective findings supported by verifiable data to maintain credibility and support sound decision-making.

Question 19: A man walks 5 km north, turns right and walks 3 km, then turns right again and walks 5 km. How far is he from the starting point?

3 km (Correct answer)
13 km
5 km
8 km

Correct answer: 3 km

He moves 5 km north, 3 km east, 5 km south — net displacement is 3 km east from start.

Question 20: Which imaginary line divides the Earth into the Northern and Southern Hemispheres?

Arctic Circle
Equator (Correct answer)
Prime Meridian
Tropic of Capricorn

Correct answer: Equator

The Equator is the imaginary line at 0° latitude that divides Earth into the Northern and Southern Hemispheres.

Question 21: Which Indian missile successfully conducted a hypersonic glide vehicle test in November 2024?

Shaurya missile
Hypersonic Technology Demonstrator Vehicle (HSTDV) (Correct answer)
BrahMos-NG
Agni-V MIRV

Correct answer: Hypersonic Technology Demonstrator Vehicle (HSTDV)

DRDO's HSTDV successfully demonstrated hypersonic cruise capability, making India one of a handful of nations to test such technology.

Question 22: The Indian Navy's first nuclear-powered ballistic missile submarine is named:

INS Vikrant
INS Chakra
INS Arihant (Correct answer)
INS Sindhuraj

Correct answer: INS Arihant

INS Arihant is India's first indigenously built nuclear-powered ballistic missile submarine, commissioned in 2016.

Question 23: In military decision-making, what is the purpose of 'courses of action' (COA) analysis?

Document the sequence of actions taken after a mission is complete
Evaluate multiple options to determine the best plan to accomplish the mission (Correct answer)
Brief higher command on the current tactical situation
Assign individual tasks to specific soldiers within a unit

Correct answer: Evaluate multiple options to determine the best plan to accomplish the mission

COA analysis involves comparing feasible options against established criteria to select the most suitable plan.

Question 24: The Rowlatt Act of 1919 was opposed by Mahatma Gandhi because it:

Allowed detention without trial (Correct answer)
Banned Indian political parties
Restricted freedom of religion
Imposed heavy taxes on Indian goods

Correct answer: Allowed detention without trial

The Rowlatt Act allowed the British to imprison any person without trial or appeal, which Gandhi considered oppressive and anti-democratic.

Question 25: Which Venn diagram best represents: Mammals, Whales, Marine Animals?

Whales inside the intersection of Mammals and Marine Animals (Correct answer)
Whales inside Mammals only
All three separate circles
Mammals inside Marine Animals

Correct answer: Whales inside the intersection of Mammals and Marine Animals

Whales are simultaneously mammals and marine animals, so the Whales circle lies inside the overlap of the other two.

Question 26: Which risk management approach is MOST effective for AFCAT professionals when evaluating potential workplace hazards?

Reactive analysis after incidents occur
Delegating all safety decisions to management
Proactive hazard identification and assessment (Correct answer)
Relying solely on historical accident data

Correct answer: Proactive hazard identification and assessment

Proactive hazard identification and assessment allows professionals to identify and mitigate risks before incidents occur, which is far more effective than reactive approaches that only address problems after they happen.

Question 27: Which sentence contains a dangling modifier? (A) Flying at high altitude, the pilot spotted the runway. (B) Flying at high altitude, the runway was spotted. (C) The pilot, flying at high altitude, spotted the runway. (D) The runway was spotted by the pilot flying high.

The pilot, flying at high altitude, spotted the runway.
Flying at high altitude, the runway was spotted. (Correct answer)
Flying at high altitude, the pilot spotted the runway.
The runway was spotted by the pilot flying high.

Correct answer: Flying at high altitude, the runway was spotted.

In option B, the participial phrase 'flying at high altitude' illogically modifies 'the runway' instead of a person.

Question 28: What is the PRIMARY purpose of obtaining AFCAT certification in Air Force Common Admission Test?

To guarantee employment in the field
To bypass educational requirements
To demonstrate verified competency and adherence to professional standards (Correct answer)
To satisfy a personal achievement goal

Correct answer: To demonstrate verified competency and adherence to professional standards

Professional certification demonstrates that an individual has met established competency standards through verified assessment. It provides assurance to employers, clients, and the public that the certified professional possesses the knowledge and skills required for competent practice.

Question 29: Passage: 'The Indian Air Force undertakes not only combat missions but also humanitarian operations. During natural disasters, aircraft are deployed to deliver relief materials and evacuate victims, demonstrating the force's dual role.' What does the passage primarily highlight about the Indian Air Force?

Its focus on disaster management only
Its dual role in combat and humanitarian missions (Correct answer)
The inefficiency of civilian agencies
Its superior combat technology

Correct answer: Its dual role in combat and humanitarian missions

The passage explicitly states the force's 'dual role' in combat and humanitarian operations.

Question 30: Choose the word that correctly fills the blank: 'His ______ in mathematics helped him solve the navigation problem quickly.' (A) aptitude (B) attitude (C) altitude (D) gratitude

aptitude (Correct answer)
altitude
attitude
gratitude

Correct answer: aptitude

'Aptitude' means natural ability or talent, making it the correct fit for excelling in mathematics.

Question 31: The Indian Air Force's 'Tejas' Light Combat Aircraft is manufactured by which company?

Hindustan Aeronautics Limited (HAL) (Correct answer)
Bharat Electronics Limited (BEL)
Mahindra Defence
DRDO

Correct answer: Hindustan Aeronautics Limited (HAL)

Tejas is designed by DRDO's ADA (Aeronautical Development Agency) and manufactured by Hindustan Aeronautics Limited (HAL).

Question 32: A histogram shows age of 100 employees: 20–30: 25, 30–40: 35, 40–50: 28, 50–60: 12. What percentage of employees are below 40 years of age?

70%
55%
60% (Correct answer)
65%

Correct answer: 60%

Below 40 = 25 + 35 = 60 employees out of 100 = 60%.

Question 33: Which approach best demonstrates mastery of history and geography in AFCAT practice?

Relying entirely on technology
Following procedures without understanding
Avoiding complex scenarios
Applying principles to novel situations with sound judgment (Correct answer)

Correct answer: Applying principles to novel situations with sound judgment

True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.

Question 34: What is the MOST important reason for Air Force Common Admission Test professionals to maintain continuing education?

To satisfy employer preferences
To increase billing rates
To stay current with evolving standards, practices, and regulations (Correct answer)
To accumulate credentials for personal prestige

Correct answer: To stay current with evolving standards, practices, and regulations

Continuing education ensures professionals remain current with evolving industry standards, best practices, and regulatory requirements. This directly impacts the quality of service provided and maintains public trust in the profession.

Question 35: The capital of France is:

Rome
Berlin
Madrid
Paris (Correct answer)

Correct answer: Paris

Paris is widely recognized as the capital city of France. It is a major European city known for its cultural and historical significance.

Question 36: A forward air controller (FAC) directs close air support. What is the FAC's primary responsibility?

Coordinate between ground forces and attacking aircraft to ensure accurate ordnance delivery (Correct answer)
Pilot the attack aircraft during close air support missions
Command the ground troops during combined arms operations
Maintain communication between different aircraft squadrons

Correct answer: Coordinate between ground forces and attacking aircraft to ensure accurate ordnance delivery

A FAC coordinates and controls aircraft delivering fire support to ensure accuracy and prevent friendly fire.

Question 37: Choose the option that BEST completes the sentence: If the weather ___ better, we could have completed the sortie.

has been
had been (Correct answer)
were
was

Correct answer: had been

This sentence uses the third conditional structure, which describes a hypothetical situation in the past and its hypothetical result. The structure is 'If + past perfect (had + past participle), would have + past participle'. Therefore, 'had been' correctly completes the 'if' clause, indicating a past condition that did not happen.

Question 38: What is the key to effective cross-functional communication in AFCAT environments?

Using department-specific jargon
Avoiding all technical details
Adapting language and context for different audiences (Correct answer)
Communicating only in writing

Correct answer: Adapting language and context for different audiences

Adapting language and providing appropriate context for different audiences ensures effective communication across functional boundaries.

Question 39: The 'SIMBEX' naval exercise is conducted annually between India and which nation?

Indonesia
Singapore (Correct answer)
Sri Lanka
South Korea

Correct answer: Singapore

SIMBEX (Singapore-India Maritime Bilateral Exercise) is conducted annually since 1994 between the Indian Navy and Republic of Singapore Navy.

Question 40: The Permanent Settlement of 1793 was introduced in Bengal by which Governor-General?

Lord Hastings
Lord Wellesley
Lord Dalhousie
Lord Cornwallis (Correct answer)

Correct answer: Lord Cornwallis

Lord Cornwallis introduced the Permanent Settlement in 1793, which fixed land revenue for zamindars permanently.

Question 41: Identify the correct sentence.

A fleet of ships is sailing in the ocean. (Correct answer)
A fleet of ships have sailed in the ocean.
A fleet of ships are sailing in the ocean.
A fleet of ships were sailing in the ocean.

Correct answer: A fleet of ships is sailing in the ocean.

'Fleet' is a collective noun used as a singular subject, so the singular verb 'is' is correct.

Question 42: The Quit India Movement of 1942 was launched from which city?

Bombay (Correct answer)
Delhi
Allahabad
Calcutta

Correct answer: Bombay

Mahatma Gandhi launched the Quit India Movement on August 8, 1942, at the Gowalia Tank Maidan in Bombay (now Mumbai).

Question 43: Which statement BEST describes the relationship between Air Force Common Admission Test certification requirements and industry evolution?

Certification requirements never change once established
Changes only occur when government mandates new requirements
Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards (Correct answer)
Requirements become less stringent over time

Correct answer: Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards

Certification requirements evolve to keep pace with advances in professional knowledge, technological developments, and changes in practice standards. This ensures that certified professionals remain current and competent in a changing professional landscape.

Question 44: In the context of AFCAT, what does evidence-based practice mean?

Using outdated methods because they are familiar
Integrating current best evidence with professional expertise (Correct answer)
Ignoring research findings
Following only personal experience

Correct answer: Integrating current best evidence with professional expertise

Evidence-based practice integrates the best available research evidence with professional expertise and patient values for optimal outcomes.

Question 45: The Global Firepower Index 2025 ranked India's military as which position worldwide?

Third
Fourth (Correct answer)
Second
Fifth

Correct answer: Fourth

India ranked fourth in the Global Firepower Index 2025, behind the USA, Russia, and China.

Question 46: Spot the error in the sentence: 'The news of the victory were received with great jubilation by the troops.'

the victory
The news of
were received (Correct answer)
with great jubilation

Correct answer: were received

'News' is a singular uncountable noun and takes a singular verb; 'were' should be 'was.'

Question 47: The angles of a triangle are in ratio 2:3:4. What is the largest angle?

80 degrees (Correct answer)
70 degrees
90 degrees
60 degrees

Correct answer: 80 degrees

Sum of ratio parts = 9; largest angle = (4/9) x 180 = 80 degrees.

Question 48: Which scientific method step follows hypothesis formation?

Experimentation and testing (Correct answer)
Publication
Conclusion
Observation

Correct answer: Experimentation and testing

After forming a hypothesis, the next step is designing and conducting experiments to test whether the hypothesis is supported by evidence.

Question 49: If a train travels 180 km in 3 hours, what is its average speed?

70 km/h
50 km/h
90 km/h
60 km/h (Correct answer)

Correct answer: 60 km/h

Average speed is calculated by dividing the total distance traveled by the total time taken. Given a distance of 180 km and a time of 3 hours, the average speed is 180 km / 3 hours = 60 km/h.

Question 50: Fill in the blank: The squadron commander was known for his ______ in making swift tactical decisions. (A) indecision (B) acumen (C) lethargy (D) ignorance

ignorance
lethargy
acumen (Correct answer)
indecision

Correct answer: acumen

'Acumen' means keen insight or shrewdness, fitting the context of swift and effective decision-making.

Question 51: Select the word most similar to 'OBSOLETE'.

Efficient
Outdated (Correct answer)
Modern
Innovative

Correct answer: Outdated

'Obsolete' means no longer in use or out of date, which is synonymous with 'outdated'.

Question 52: Which article of the Indian Constitution empowers the President to declare a national emergency?

Article 352 (Correct answer)
Article 370
Article 356
Article 360

Correct answer: Article 352

Article 352 of the Indian Constitution empowers the President to proclaim a National Emergency on grounds of war, external aggression, or armed rebellion.

Question 53: Passage: 'Air superiority is the dominance of a nation's air force over an adversary's. Achieving it requires a combination of advanced fighter aircraft, skilled pilots, and effective ground-based radar systems that detect and track enemy movements.' According to the passage, air superiority depends on:

The number of missiles carried
Skilled pilots alone
A combination of aircraft, pilots, and radar systems (Correct answer)
Fighter aircraft alone

Correct answer: A combination of aircraft, pilots, and radar systems

The passage explicitly lists aircraft, pilots, and radar systems as required components.

Question 54: Choose the correctly spelled word:

Accomodate
Accommodate (Correct answer)
Acommodate
Acomodate

Correct answer: Accommodate

'Accommodate' is the correct spelling, with double 'c' and double 'm.'

Question 55: What is the MOST important reason for Air Force Common Admission Test professionals to maintain continuing education?

To increase billing rates
To satisfy employer preferences
To accumulate credentials for personal prestige
To stay current with evolving standards, practices, and regulations (Correct answer)

Correct answer: To stay current with evolving standards, practices, and regulations

Question 56: Which is the highest gallantry award in India?

Shaurya Chakra
Vir Chakra
Param Vir Chakra (Correct answer)
Ashoka Chakra

Correct answer: Param Vir Chakra

The Param Vir Chakra is India's highest military decoration, awarded for displaying distinguished acts of valor, self-sacrifice, or bravery in the presence of the enemy during wartime. It holds the highest prestige among all gallantry awards.

Question 57: Which ocean current keeps the ports of Western Europe ice-free during winter?

Canary Current
Benguela Current
Labrador Current
Gulf Stream (Correct answer)

Correct answer: Gulf Stream

The Gulf Stream, a warm Atlantic ocean current, keeps Western European ports relatively warm and ice-free even in winter.

Question 58: Which mountain pass connects Leh (Ladakh) to Manali (Himachal Pradesh)?

Rohtang Pass (Correct answer)
Zoji La
Baralacha La
Khardung La

Correct answer: Rohtang Pass

Rohtang Pass connects Manali in Kullu Valley to the Lahaul and Spiti Valley and is a key route toward Leh.

Question 59: The Aksai Chin region, disputed between India and China, is administered by which country?

Both under joint administration
India
China (Correct answer)
Neither — it is demilitarized

Correct answer: China

Aksai Chin is currently administered by China but claimed by India as part of the Ladakh region.

Question 60: Identify the correctly spelled word.

Accomodate
Accommadate
Acomodate
Accommodate (Correct answer)

Correct answer: Accommodate

'Accommodate' is the correct spelling, with double 'c' and double 'm'.

Question 61: The phrase 'a bone of contention' means:

A valuable reward
A difficult training exercise
A subject of ongoing dispute (Correct answer)
A symbol of peace

Correct answer: A subject of ongoing dispute

'A bone of contention' is an idiom for a matter that causes disagreement or dispute between parties.

Question 62: India's Unified Payments Interface (UPI) was linked with which Southeast Asian country's payment system in 2023, enabling cross-border QR-based transactions?

Thailand
Malaysia
Indonesia
Singapore (Correct answer)

Correct answer: Singapore

India's UPI was linked with Singapore's PayNow in February 2023, enabling real-time, low-cost cross-border fund transfers between the two countries.

Question 63: What causes a sonic boom?

A thunderclap generated by lightning near an aircraft
A warning signal broadcast by Air Traffic Control
The explosive noise from jet engine ignition at startup
Shock waves produced when an aircraft exceeds the speed of sound (Correct answer)

Correct answer: Shock waves produced when an aircraft exceeds the speed of sound

A sonic boom is caused by the pressure shock waves that form and radiate outward when an aircraft accelerates beyond Mach 1, the speed of sound.

Question 64: What is the hardest naturally occurring substance on Earth?

Topaz
Corundum
Diamond (Correct answer)
Quartz

Correct answer: Diamond

Diamond is the hardest naturally occurring substance, rating 10 on the Mohs hardness scale, and is composed of pure carbon in a cubic crystal structure.

Question 65: Who established the Indian National Congress in 1885?

Dadabhai Naoroji
A.O. Hume (Correct answer)
Gopal Krishna Gokhale
Bal Gangadhar Tilak

Correct answer: A.O. Hume

Allan Octavian Hume, a retired British civil servant, founded the Indian National Congress in 1885 in Bombay.

Question 66: Identify the literary device in: 'The brave soldier stood like a rock under enemy fire.'

Metaphor
Alliteration
Oxymoron
Simile (Correct answer)

Correct answer: Simile

The comparison uses 'like,' making it a simile that compares the soldier's steadfastness to a rock.

Question 67: In Air Force Common Admission Test, what is the PRIMARY purpose of conducting regular safety drills and exercises?

To satisfy insurance requirements only
To ensure personnel can respond effectively in emergencies (Correct answer)
To reduce daily workload
To evaluate employee performance reviews

Correct answer: To ensure personnel can respond effectively in emergencies

Regular safety drills ensure that all personnel are prepared to respond effectively during actual emergencies. Practice builds muscle memory, identifies gaps in emergency procedures, and improves overall response times.

Question 68: Select the word that best fills the blank: The cadet's ______ performance in the simulation earned him a commendation. (A) mediocre (B) exemplary (C) dismal (D) average

average
exemplary (Correct answer)
dismal
mediocre

Correct answer: exemplary

'Exemplary' means outstanding or serving as a model, which fits the context of earning a commendation.

Question 69: From a line graph, a company's profit in 2019 was ₹20 lakh, and it doubled by 2021, then fell by 25% in 2022. What was the profit in 2022?

₹30 lakh (Correct answer)
₹40 lakh
₹25 lakh
₹35 lakh

Correct answer: ₹30 lakh

2021 profit = ₹40 lakh; 2022 = 40 × 0.75 = ₹30 lakh.

Question 70: Which day is celebrated as Air Force Day in India?

December 4
August 15
October 8 (Correct answer)
January 26

Correct answer: October 8

Indian Air Force Day is celebrated annually on October 8th. This date commemorates the official establishment of the Indian Air Force in 1932, marking its foundation and contributions to national security.

Question 71: What does VTOL stand for?

Very Tactical Operations Limit
Vertical Take-Off and Landing (Correct answer)
Variable Thrust Over Landing
Visual Target Operations Level

Correct answer: Vertical Take-Off and Landing

VTOL stands for Vertical Take-Off and Landing, describing aircraft such as helicopters and the Harrier jet that can take off and land without a conventional runway.

Question 72: Read the passage: 'The Indian Air Force operates in one of the most challenging environments on Earth. From sub-zero temperatures in the Himalayas to scorching desert heat, pilots must adapt to extreme conditions. This demands not just physical fitness but extraordinary mental resilience.' According to the passage, what does flying in India's diverse geography primarily demand?

Only advanced aircraft technology
Specialized desert survival training alone
Both physical fitness and mental resilience (Correct answer)
Long years of theoretical study

Correct answer: Both physical fitness and mental resilience

The passage explicitly states that extreme conditions demand 'not just physical fitness but extraordinary mental resilience.'

Question 73: Which statement BEST describes the relationship between Air Force Common Admission Test certification requirements and industry evolution?

Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards (Correct answer)
Changes only occur when government mandates new requirements
Requirements become less stringent over time
Certification requirements never change once established

Correct answer: Requirements evolve periodically to reflect advances in knowledge, technology, and practice standards

Question 74: If the radius of a circle is increased by 50%, by what percent does its area increase?

125% (Correct answer)
100%
225%
115%

Correct answer: 125%

New area = pi x (1.5r)^2 = 2.25 x pi x r^2; increase = 125% of original area.

Question 75: What is the value of continuing education in military aptitude for AFCAT professionals?

It replaces workplace experience
It is primarily a social activity
It is only needed for recertification
It keeps professionals current with evolving standards and practices (Correct answer)

Correct answer: It keeps professionals current with evolving standards and practices

Continuing education ensures professionals stay current with the latest developments, standards, and best practices in their field.

Question 76: What documentation is MOST critical to maintain for safety compliance in the Air Force Common Admission Test field?

Client marketing preferences
Employee vacation schedules
Incident reports, training records, and inspection logs (Correct answer)
Annual revenue reports

Correct answer: Incident reports, training records, and inspection logs

Incident reports, training records, and inspection logs are essential safety documentation. They demonstrate compliance with safety regulations, track training completion, and provide evidence of systematic hazard management.

Question 77: Which Indian space mission was the first to successfully enter Mars orbit in its maiden attempt?

Chandrayaan-1
Chandrayaan-2
Mangalyaan (Mars Orbiter Mission) (Correct answer)
Aditya-L1

Correct answer: Mangalyaan (Mars Orbiter Mission)

Mangalyaan (Mars Orbiter Mission) launched in 2013 made India the first country to reach Mars orbit on its first attempt and at the lowest cost.

Question 78: Choose the correct indirect speech: Direct: The instructor said, 'You must revise the chapter tonight.' Indirect: The instructor told ______

him that he must has revised the chapter that night.
him that you must revise the chapter that night.
him that he must revise the chapter that night. (Correct answer)
him that he must revise the chapter tonight.

Correct answer: him that he must revise the chapter that night.

In indirect speech, 'you' becomes 'he,' 'tonight' shifts to 'that night,' and the modal 'must' remains unchanged.

Question 79: The Jallianwala Bagh massacre of 1919 took place in which city?

Lahore
Amritsar (Correct answer)
Rawalpindi
Ludhiana

Correct answer: Amritsar

The Jallianwala Bagh massacre occurred on April 13, 1919, in Amritsar, Punjab, when British troops fired on an unarmed crowd.

Question 80: Fill in the blank with the appropriate preposition: 'The pilot was commended ______ his exceptional bravery during the mission.' (A) about (B) for (C) on (D) at

at
on
for (Correct answer)
about

Correct answer: for

'Commended for' is the correct collocation when acknowledging the reason for praise.

Question 81: Which Indian defence missile system is designed to intercept ballistic missiles at exo-atmospheric altitudes?

Nag anti-tank missile
Akash missile system
BrahMos missile
Prithvi Air Defence (PAD) (Correct answer)

Correct answer: Prithvi Air Defence (PAD)

Prithvi Air Defence (PAD), also known as Pradyumna, is India's exo-atmospheric interceptor missile designed to destroy ballistic missiles outside the atmosphere.

Question 82: Which approach best demonstrates mastery of military aptitude in AFCAT practice?

Relying entirely on technology
Following procedures without understanding
Applying principles to novel situations with sound judgment (Correct answer)
Avoiding complex scenarios

Correct answer: Applying principles to novel situations with sound judgment

True mastery involves understanding underlying principles well enough to apply them to new and unfamiliar situations with professional judgment.

Question 83: A train 150 m long passes a pole in 15 seconds. What is the speed of the train in km/h?

40 km/h
54 km/h
45 km/h
36 km/h (Correct answer)

Correct answer: 36 km/h

Speed = 150/15 = 10 m/s; converting to km/h: 10 × 18/5 = 36 km/h.

Question 84: The difference between simple interest and compound interest on Rs. 5,000 at 10% per annum for 2 years is:

Rs. 100
Rs. 75
Rs. 50 (Correct answer)
Rs. 25

Correct answer: Rs. 50

CI = 5000x(1.1^2 - 1) = Rs.1050; SI = 5000x0.1x2 = Rs.1000; difference = Rs.50.

Question 85: What is the primary role of the AN/TPY-2 radar system deployed by the US military?

Ballistic missile detection and tracking (Correct answer)
Air traffic control
Naval surface search
Electronic warfare jamming

Correct answer: Ballistic missile detection and tracking

The AN/TPY-2 is an X-band radar used for detecting and tracking ballistic missiles as part of the US missile defense system.

Question 86: Who founded the Brahmo Samaj in 1828?

Dayananda Saraswati
Bal Gangadhar Tilak
Ram Mohan Roy (Correct answer)
Swami Vivekananda

Correct answer: Ram Mohan Roy

Raja Ram Mohan Roy founded the Brahmo Samaj in 1828 to promote monotheism and social reform in India.

Question 87: A sequence follows: B, E, H, K, N, ?

P
R
O
Q (Correct answer)

Correct answer: Q

Each letter is 3 positions ahead of the previous: N + 3 positions = Q.

Question 88: Select the synonym of 'EPHEMERAL':

Significant
Robust
Permanent
Transient (Correct answer)

Correct answer: Transient

'Ephemeral' means lasting for a very short time, making 'transient' the closest synonym.

Question 89: What does ATC stand for in aviation?

Air Traffic Control (Correct answer)
Altitude and Trajectory Control
Automated Take-off Checklist
Aircraft Technical Controller

Correct answer: Air Traffic Control

ATC stands for Air Traffic Control, the ground-based service responsible for directing aircraft movement to ensure safe, orderly, and efficient flow in controlled airspace.

Question 90: Identify the ANTONYM of ‘OBSOLETE’.

Novel (Correct answer)
Archaic
Antique
Defunct

Correct answer: Novel

'Obsolete' means no longer produced or used; out of date. The antonym would be a word meaning new or current. 'Novel' means new and original, or unusual, making it the best antonym for 'obsolete'. The other options (Archaic, Antique, Defunct) are synonyms or related terms for 'obsolete'.

Question 91: Which type of electromagnetic radiation has the highest frequency?

Ultraviolet rays
Microwaves
X-rays
Gamma rays (Correct answer)

Correct answer: Gamma rays

Gamma rays have the highest frequency (and shortest wavelength) in the electromagnetic spectrum.

Question 92: Choose the option that best replaces the underlined word to improve the sentence: 'The officer gave a very long and boring speech about the new regulations.' (A) verbose (B) succinct (C) compelling (D) brief

verbose (Correct answer)
compelling
brief
succinct

Correct answer: verbose

'Verbose' means using more words than necessary, replacing 'very long and boring' with a precise vocabulary word.

Question 93: Which phenomenon explains why the sky appears blue during the day?

Rayleigh scattering of sunlight by atmospheric molecules (Correct answer)
Refraction of light at the Earth's surface
Reflection of sunlight by clouds
Absorption of red wavelengths by ozone

Correct answer: Rayleigh scattering of sunlight by atmospheric molecules

Rayleigh scattering causes shorter blue wavelengths to scatter more than longer red wavelengths, making the sky appear blue.

Question 94: Fill in the blank with the correct preposition: The aircraft was cleared to fly ______ the restricted zone.

between
into
across
through (Correct answer)

Correct answer: through

Clearing an aircraft to fly 'through' a zone means it is permitted to pass within that airspace.

Question 95: What role does collaboration play in reasoning and logic for AFCAT professionals?

It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
It slows down work unnecessarily
It is only needed in emergencies
It reduces individual accountability

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 96: A pie chart shows time spent daily: Sleep=33%, Study=25%, Sports=17%, Leisure=25%. If total time is 24 hours, how many hours are spent on Sports?

4.08 hrs (Correct answer)
4 hrs
5 hrs
6 hrs

Correct answer: 4.08 hrs

Sports = 17% of 24 = 0.17 × 24 = 4.08 hours.

Question 97: What is the primary function of an aircraft's rudder?

To control roll (wing banking)
To control pitch (nose up and down)
To control yaw (nose rotating left or right) (Correct answer)
To control engine thrust direction

Correct answer: To control yaw (nose rotating left or right)

The rudder is located on the vertical tail fin and controls yaw — the rotation of the aircraft's nose left or right around its vertical axis.

Question 98: What role does collaboration play in data interpretation for AFCAT professionals?

It enhances outcomes through diverse perspectives and shared expertise (Correct answer)
It slows down work unnecessarily
It is only needed in emergencies
It reduces individual accountability

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 99: What role does collaboration play in current affairs for AFCAT professionals?

It slows down work unnecessarily
It reduces individual accountability
It is only needed in emergencies
It enhances outcomes through diverse perspectives and shared expertise (Correct answer)

Correct answer: It enhances outcomes through diverse perspectives and shared expertise

Collaboration leverages diverse perspectives and combined expertise to achieve better outcomes than any individual could alone.

Question 100: Choose the word most SIMILAR in meaning to 'VIGILANT'.

Careless
Passive
Weary
Alert (Correct answer)

Correct answer: Alert

'Vigilant' means keeping careful watch, which is synonymous with 'alert'.

Air Force Common Admission Test (AFCAT)

The AFCAT is a national-level entrance examination conducted by the Indian Air Force to select officers for all its branches except for the medical and dental branches.

100

Questions

120 min

Time Limit

33%

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