CCE Screening Test SPSC Past Paper (Model Paper) Solved MCQs

Correct Answer: Needn't

Although "mustn't" would be more natural in an examination context, it is not among the options, so "needn't" (meaning there is no need to disturb them) is the only grammatically and logically appropriate choice.

Correct Answer: in

"Consist in" expresses the essence or defining nature of something, while "consist of" refers to components or parts that make up a whole, so "in" is the precise choice for a sentence defining success.

Correct Answer: She is Fatima Jinnah of society.

When a proper noun (like Fatima Jinnah) is used metaphorically to describe someone's qualities, the article "the" is usually omitted; hence "She is Fatima Jinnah of society" is correct.

Correct Answer: Does Ahsan play football?

The correct answer is Does Ahsan play football?, as asked in this question on Grammar.

Correct Answer: He was completely exhausted, yet he continued studying for his exam

The correct answer is He was completely exhausted, yet he continued studying for his exam, as asked in this question on Correct sentence with yet, no exclamation.

Correct Answer: A car will be bought by her if she has three million rupees

The correct answer is A car will be bought by her if she has three million rupees, as asked in this question on Active & Passive Voice.

Correct Answer: Your precious time must not be wasted by you

The correct answer is Your precious time must not be wasted by you, as asked in this question on Active & Passive Voice.

Correct Answer: What is it about cricket that you enjoy?

The correct answer is What is it about cricket that you enjoy?, as asked in this question on Correct sentence ends with question mark.

Correct Answer: He reminded me that when the cat was away the mice would play

The correct answer is He reminded me that when the cat was away the mice would play, as asked in this question on Change of Narration.

Correct Answer: The teacher ordered the students to solve it themselves then

The correct answer is The teacher ordered the students to solve it themselves then, as asked in this question on Change of Narration.

Correct Answer: I remarked that he was brave, and sought confirmation

The correct answer is I remarked that he was brave, and sought confirmation, as asked in this question on Change of Narration.

Correct Answer: He said that he always welcomed his guests sincerely

The correct answer is He said that he always welcomed his guests sincerely, as asked in this question on Change of Narration.

Correct Answer: No sooner had I reached the station than the train left

The correct answer is No sooner had I reached the station than the train left, as asked in this question on Sentence correction.

Correct Answer: Ability to turn things to gold & make ventures successful

The correct answer is Ability to turn things to gold & make ventures successful, as asked in this question on Idioms & Phrases.

Correct Answer: Accusing the wrong person or pursuing a mistaken idea

The correct answer is Accusing the wrong person or pursuing a mistaken idea, as asked in this question on Idioms & Phrases.

Correct Answer: I said to my sibling, "Do you want to go on a trip?"

The correct answer is I said to my sibling, "Do you want to go on a trip?", as asked in this question on Narration.

Correct Answer: His father says that honesty is the best policy.

The correct answer is His father says that honesty is the best policy., as asked in this question on Narration.

Correct Answer: I told her that I would have written letters.

The correct answer is I told her that I would have written letters., as asked in this question on Narration.

Correct Answer: The teacher told us that haste makes waste

The correct answer is The teacher told us that haste makes waste, as asked in this question on Narration.

Correct Answer: People speak German in Germany, Spain and Switzerland

The correct answer is People speak German in Germany, Spain and Switzerland, as asked in this question on Voice.

Correct Answer: The police arrested him on fabricated charges

The correct answer is The police arrested him on fabricated charges, as asked in this question on Voice.

Correct Answer: My aunt, who lives in Karachi, is a doctor.

The correct answer is My aunt, who lives in Karachi, is a doctor., as asked in this question on Punctuation.

Correct Answer: When did your friends come

The correct answer is When did your friends come, as asked in this question on Correct sentence did come.

Correct Answer: Let the chair be brought in the room

The correct answer is Let the chair be brought in the room, as asked in this question on Passive voice.

Correct Answer: Which I visited

The correct answer is Which I visited, as asked in this question on Gwadar which I visited last month.

Correct Answer: That he could not buy us food

The correct answer is That he could not buy us food, as asked in this question on Fill in the blanks.

Correct Answer: Relative pronoun

The correct answer is Relative pronoun, as asked in this question on WHO is a Relative pronoun.

Correct Answer: Should

The correct answer is Should, as asked in this question on Sentence completion respect elders.

Correct Answer: Man

The correct answer is Man, as asked in this question on A drowning man catches at a straw.

Correct Answer: Fragrant

The correct answer is Fragrant, as asked in this question on Antonym malodorous fragrant.

Correct Answer: fault in himself as others

The correct answer is fault in himself as others, as asked in this question on Proverbs.

Correct Answer: Island

The correct answer is Island, as asked in this question on Proverb No man is an island.

Correct Answer: could

The correct answer is could, as asked in this question on Indirect speech can to could.

Correct Answer: Fossils: Paleontologist

The correct answer is Fossils: Paleontologist, as asked in this question on Analogies.

Correct Answer: Washes

The correct answer is Washes, as asked in this question on One hand washes the other.

Correct Answer: Get along

The correct answer is Get along, as asked in this question on Phrasal verb get along.

Correct Answer: Dullness

The correct answer is Dullness, as asked in this question on ECLAT antonym Dullness.

Correct Answer: Gentle

The correct answer is Gentle, as asked in this question on Antonym truculent gentle.

Correct Answer: Are used to

The correct answer is Are used to, as asked in this question on Used to living here.

Correct Answer: Mourning

The correct answer is Mourning, as asked in this question on Keen analogy Mourning.

Correct Answer: Sahibzada Sultan Muhammad Ali

Prominent equestrian Sahibzada Sultan Muhammad Ali was elected to the World Tent Pegging Federation's board on April 3, 2026, representing Pakistan on a global stage.

Correct Answer: Norway

Norway continued its dominance in winter sports by securing the first position in the medal tally at the Winter Olympics.

Correct Answer: Due to Drug smuggling and immigration issues

The official US narrative justified the aggressive military actions against the Venezuelan leadership by citing severe drug smuggling and regional immigration crises.

Correct Answer: UN secratary general

The UN Secretary General openly condemned and declared the covert American operations against Venezuela's leadership as illegal under international law.

Correct Answer: Building of rafa and gaza outside Palestine

The controversial Trump development plan proposed the reconstruction and building of Gaza-like zones outside of traditional Palestinian territories.

Correct Answer: Gupta's

A high-profile guilty plea by Gupta in international courts vindicated Pakistan's claims regarding foreign-sponsored terrorism.

Correct Answer: Al in warfare

The 2026 Munich Security Conference centered on the implications and regulation of Artificial Intelligence in global warfare.

Correct Answer: *Seif al-Islam

Seif al-Islam el-Qaddafi, son of the former Libyan dictator, was reportedly killed during an armed assault at his residence.

Correct Answer: 3 April

On April 3, 2026, Pakistan inaugurated its state-of-the-art National Forensic Agency to vastly improve domestic criminal investigations and intelligence gathering.

Correct Answer: Daish

The militant organization Daish (ISIS) claimed responsibility for the devastating suicide bombing at the Islamabad Imambargah.

Correct Answer: Mauritius

Under geopolitical pressure, UK Prime Minister Keir Starmer paused the legislative process that would have returned sovereignty of the Chagos Islands to Mauritius.

Correct Answer: Serena

Islamabad stepped up as a neutral geopolitical mediator when US and Iranian delegations arrived at the Serena Hotel on April 11 for critical peace negotiations.

Correct Answer: 15

Asserting its territorial control during the crisis, Iran declared a strict maritime quota allowing only 15 commercial ships to pass the Strait of Hormuz daily.

Correct Answer: Pakistan

Pakistan maintains a steadfast diplomatic stance at the UN, consistently advocating against the illegal occupation of Palestinian territories.

Correct Answer: Norway

Taking a major step toward climate compliance, Pakistan signed a bilateral carbon credit trading agreement with Norway under the Paris Agreement on April 1, 2026.

Correct Answer: Global Environment Facility (GEF)

Pakistan received a $3 million grant from the Global Environment Facility to protect its coastal marine biodiversity and promote sustainable fishing.

Correct Answer: Peshawar

The Peshawar High Court issued a landmark ruling ending the practice of pardons in "honor killings" by categorizing the crime as Fasaad-fil-Arz against the state.

Correct Answer: 9 April

Veteran Pakistani politician and former Governor of Punjab, Sardar Zulfiqar Ali Khosa, passed away on April 9, leaving behind a long legacy in Punjab politics.

Correct Answer: maritime

Pakistan's maritime sector exhibited significant economic growth, posting an unprecedented record profit of Rs 100 billion in the previous fiscal year.

Correct Answer: Donald Trump

President Donald Trump controversially stated that Venezuela would surrender 50 million barrels of oil to the USA as part of debt or sanctions relief.

Correct Answer: Libya

Libya secured long-term energy infrastructure stability by signing a major 25-year oil development contract with Total Energies and ConocoPhillips.

Correct Answer: European Commission

The European Commission released a substantial 126 million euro humanitarian aid package dedicated specifically to Pakistan, Iran, and Afghanistan.

Correct Answer: None of These

The correct answer is None of These, as asked in this question on BRICS naval exercise threats None of These (key; stem wording as printed, flagged).

Correct Answer: Tarique Rahman

The correct answer is Tarique Rahman, as asked in this question on Bangladesh PM Tarique Rahman (student tick; verify against key — exam-time 2026).

Correct Answer: UK

The United Kingdom passed pioneering public health legislation making it illegal to ever sell tobacco to anyone born after a certain date.

Correct Answer: Abu Bilal al-Minuki

Joint international counter-terrorism operations continue to successfully target high-ranking leadership within global terrorist networks.

Correct Answer: IT

Pakistani youth and professionals consistently demonstrate high-level programming and digital skills in international tech competitions.

Correct Answer: Fateh 3

Pakistan continuously upgrades its Guided Multi-Launch Rocket Systems to ensure strategic deterrence and precision strike capabilities.

Correct Answer: World custom policy

Pakistan's nomination to the World Customs Organization policy board highlights its growing role in international trade facilitation.

Correct Answer: Adolf Hitler

To prevent it from becoming a neo-Nazi shrine, the Austrian government repurposed Adolf Hitler's birth house into a police station.

Correct Answer: Youth voices on multilingual education

The 2026 theme for Mother Language Day focused heavily on incorporating youth perspectives into multilingual education systems.

Correct Answer: 153

Pakistan's low ranking reflects ongoing challenges regarding media censorship, regulatory pressures, and the safety of journalists.

Correct Answer: Bangladesh

The Rooppur Nuclear Power Plant is a major energy milestone for Bangladesh, constructed with technological assistance from Rosatom.

Correct Answer: Taiwan

Taiwan successfully trialed its indigenous Hai Kun submarine, signaling a massive leap in its naval defense capabilities.

Correct Answer: Strategic Mutual Defense Agreement

The correct answer is Strategic Mutual Defense Agreement, as asked in this question on Pakistan-Saudi defence agreement.

Correct Answer: Discoveries concerning peripheral immune tolerance

The correct answer is Discoveries concerning peripheral immune tolerance, as asked in this question on Nobel Prizes.

Correct Answer: Mary E. Brunkow, Fred Ramsdell, Shimon Sakaguchi

The correct answer is Mary E. Brunkow, Fred Ramsdell, Shimon Sakaguchi, as asked in this question on Nobel Prize.

Correct Answer: Kamran Khan Mulakhail

The correct answer is Kamran Khan Mulakhail, as asked in this question on CJ Balochistan HC Mulakhail.

Correct Answer: Syedaal Khan

The correct answer is Syedaal Khan, as asked in this question on Deputy Chairman Senate Syedaal Khan.

Correct Answer: Barrister Sultan Mahmood Chaudhry

The correct answer is Barrister Sultan Mahmood Chaudhry, as asked in this question on AJK president.

Correct Answer: 24, 14

The Punjab irrigation system, a part of the Indus Basin system, has 24 main canal commands off-taking from 14 barrages over the Indus and its tributaries.

Correct Answer: 1960

The correct answer is 1960, as asked in this question on Indus Waters Treaty 1960.

Correct Answer: 7 Aug 1947

The correct answer is 7 Aug 1947, as asked in this question on Quaid-e-Azam.

Correct Answer: 1972

The correct answer is 1972, as asked in this question on Nuclear power.

Correct Answer: Clifton

The correct answer is Clifton, as asked in this question on Beaches.

Correct Answer: 1885, Karachi

Sindh Madressatul Islam was founded in 1885 in Karachi, and it is the school where Quaid-e-Azam Muhammad Ali Jinnah studied.

Correct Answer: Air and Water Pollution

The correct answer is Air and Water Pollution, as asked in this question on Environment.

Correct Answer: 5000

The correct answer is 5000, as asked in this question on Indus Valley Civilization Age.

Correct Answer: August Movement

The Quit India Movement, also known as the August Movement and August Kranti Movement, was launched by Mahatma Gandhi on 8 August 1942 during World War II, demanding immediate British withdrawal from India, with the slogan "Do or Die".

Correct Answer: Demand-Pull inflation

Demand-pull inflation occurs when overall demand for goods and services rises faster than supply, causing prices to increase; the other options are different economic conditions (deflation, stagflation) or an extreme form of inflation (hyperinflation).

Correct Answer: Extended Fund Facility

The correct answer is Extended Fund Facility, as asked in this question on Economy of Pakistan.

Correct Answer: Abdul Hamid Lahori

The Badshahnama is the official chronicle of Mughal Emperor Shah Jahan's reign, written by Abdul Hamid Lahori, documenting the political, military, administrative and cultural events of his rule.

Correct Answer: Zulfikar Ali Bhutto, Indira Gandhi

Under the Shimla Accord of July 1972, Prime Minister Zulfikar Ali Bhutto of Pakistan and Prime Minister Indira Gandhi of India agreed to settle their disputes bilaterally.

Correct Answer: MAO College, Congress/Hindus

Sir Syed Ahmad Khan established the Muhammadan Anglo-Oriental (MAO) College at Aligarh to counter the political hegemony of Congress and the Hindus.

Correct Answer: Controlling inflation, hoarding, profiteering, and illegal occupations for public welfare

The correct answer is Controlling inflation, hoarding, profiteering, and illegal occupations for public welfare, as asked in this question on PERA.

Correct Answer: SDEO (Sub Divisional Enforcement Officer)

The correct answer is SDEO (Sub Divisional Enforcement Officer), as asked in this question on PERA.

Correct Answer: SDEO (Sub Divisional Enforcement Officer)

The correct answer is SDEO (Sub Divisional Enforcement Officer), as asked in this question on PERA.

Correct Answer: Ali Brothers Maulana Mohammad Ali Jauhar and Maulana Shaukat Ali, 1924

The Khilafat Movement was launched by the Ali Brothers, Maulana Mohammad Ali Jauhar and Maulana Shaukat Ali, and it continued from 1919 to 1924.

Correct Answer: Lord Linlithgow, 1940

The August Offer was made by the Viceroy Lord Linlithgow in 1940, promising an expanded council and dominion status for India after the war.

Correct Answer: Jiuquan Satellite Launch Center, China

The correct answer is Jiuquan Satellite Launch Center, China, as asked in this question on Science and technology of Pakistan.

Correct Answer: Punjab Employees Efficiency, Discipline and Accountability Act

The correct answer is Punjab Employees Efficiency, Discipline and Accountability Act, as asked in this question on PEEDA.

Correct Answer: 1899, Anjuman Himayat-i-Islam

Allama Muhammad Iqbal made his first public appearance in 1899 at the annual session of Anjuman Himayat-i-Islam, Lahore.

Correct Answer: Radcliffe, 17 August 1947

The Radcliffe Award was announced on 17 August 1947, and it established the boundaries between India and Pakistan.

Correct Answer: Islamic Republic of Pakistan

The correct answer is Islamic Republic of Pakistan, as asked in this question on Official name of Pakistan 1956.

Correct Answer: United Nations Security Council

The correct answer is United Nations Security Council, as asked in this question on Pakistan UNSC membership.

Correct Answer: Amin ud Din

The correct answer is Amin ud Din, as asked in this question on Constitutional Court first head Amin ud Din.

Correct Answer: Haripur, KPK

Tarbela Dam, built on the Indus River, is located in Haripur district of Khyber Pakhtunkhwa (KPK) province.

Correct Answer: Khawaja Nizamuddin

The correct answer is Khawaja Nizamuddin, as asked in this question on Second Governor General Nazimuddin.

Correct Answer: Zafrullah Khan

The correct answer is Zafrullah Khan, as asked in this question on First foreign minister Zafrullah Khan.

Correct Answer: Fatima Fertilizer

The correct answer is Fatima Fertilizer, as asked in this question on Nitrogen fertilizer in Pakistan.

Correct Answer: Zahid Hussain

The correct answer is Zahid Hussain, as asked in this question on First SBP Governor Zahid Hussain.

Correct Answer: Muhammad Ali Bogra

The correct answer is Muhammad Ali Bogra, as asked in this question on Prime Ministers of Pakistan.

Correct Answer: Constitutional Court

The correct answer is Constitutional Court, as asked in this question on Constitution of Pakistan.

Correct Answer: Two Third Majority

The correct answer is Two Third Majority, as asked in this question on Constitution of Pakistan.

Correct Answer: Sahir Shamshad Mirza

The correct answer is Sahir Shamshad Mirza, as asked in this question on Joint Chiefs of Staff.

Correct Answer: 28 May 1998

The correct answer is 28 May 1998, as asked in this question on First atomic test 28 May 1998.

Correct Answer: Islamic culture

The correct answer is Islamic culture, as asked in this question on Pakistani culture Islamic.

Correct Answer: Pahlgam Incident

The correct answer is Pahlgam Incident, as asked in this question on Pakistan-India relations.

Correct Answer: 1935 & 1947

The correct answer is 1935 & 1947, as asked in this question on Constitution at Independence.

Correct Answer: Harry S. Truman

The correct answer is Harry S. Truman, as asked in this question on US President 1947 Truman.

Correct Answer: Not a Square

The sum of four consecutive natural numbers plus 1 is 4n + 7, which always leaves remainder 3 on division by 4, while perfect squares leave 0 or 1, so it can never be a perfect square.

Correct Answer: Exponential growth

The daily payments are 3, 6, 18, 54 and the cumulative totals are 3, 9, 27, 81, each total multiplied by 3, which is clearly exponential growth, not linear growth by a constant amount.

Correct Answer: 47

The book's solution extends the difference pattern (+2, 0, +3, +4, +5, +6, +7, +8) to reach x11 = 47.

Correct Answer: Origin

The point where the x-axis and y-axis intersect is called the origin; abscissa is the x-coordinate, ordinate the y-coordinate, and a quadrant is one of the four regions of the plane.

Correct Answer: 1

Using a^2 - b^2 = (a-b)(a+b): (7.8^2 - 1.9^2)/(9.5 x 5.7) = (7.8-1.9)(7.8+1.9)/(9.5 x 5.7) = (5.9)(9.7)/(9.5 x 5.7), which the book's solution gives as 1.

Correct Answer: 7

Cost equation: 2x(3.50) + y(5) = 77, i.e. 7x + 5y = 77. Trying values: y = 7 gives 7x = 42, so x = 6 (integer), which works.

Correct Answer: 17 and 11

Let the numbers be x and y: x - y = 6 and x^2 - y^2 = (x - y)(x + y) = 168, so x + y = 28; solving gives x = 17 and y = 11.

Correct Answer: 35

For sum-and-difference problems, larger number = (sum + difference) divided by 2 = 35 and smaller number = (sum - difference) divided by 2 = 32.

Correct Answer: 72.7 cm

With an inscribed-circle area of 154 cm² the inradius is 7 cm, the triangle's side is about 24.25 cm, and its perimeter is 72.7 cm.

Correct Answer: Rational

16 + sqrt(16) + cube-root(27) = 16 + 4 + 3 = 23, which is a rational number because it can be written as a simple fraction (23/1).

Correct Answer: 72 cm

Sides 3k, 4k, 5k form a right triangle, so area = 1/2 x 3k x 4k = 6k² = 216, giving k = 6; sides 18, 24, 30 cm, perimeter 72 cm.

Correct Answer: 16

Let Moaz's present age be M and his father's 60 - M; two years ago the father was three times Moaz, giving M = 16.

Correct Answer: 18

Each term is multiplied by 3: 2, 6, 18, 54, 162, 486; counting back from 486, the fourth term from last is 18.

Correct Answer: 31

The correct answer is 31, as asked in this question on Series missing term 31 (differences 6, 8, 10, 12, 14).

Correct Answer: 3/2

The correct answer is 3/2, as asked in this question on Equation solution 3/2 (other root -4 not in options).

Correct Answer: 5/√34

With tan x = opposite/adjacent = 3/5, hypotenuse = √(3² + 5²) = √34, so cos x = adjacent/hypotenuse = 5/√34.

Correct Answer: 100√3 cm²

The correct answer is 100√3 cm², as asked in this question on Equilateral triangle area 100√3 cm² (side 20).

Correct Answer: 11

Fibonacci-type pattern: each term from the 3rd onward is the sum of the two previous terms, so 4 + 7 = 11.

Correct Answer: 12 days

Total work = 8 x 9 = 72 man-days, so 6 men need 72/6 = 12 days (inverse proportion: fewer men, more days).

Correct Answer: 9cm

Area = (1/2) x base x height, so 126 = (1/2) x 28 x height = 14 x height, giving height = 126/14 = 9 cm.

Correct Answer: 64

The correct answer is 64, as asked in this question on Incorrect term 64 (should be 74; pattern ×2, +3).

Correct Answer: -30

AP: 12, 9, 6... with a = 12 and d = 9 - 12 = -3; Tn = a + (n-1)d, so T15 = 12 + 14(-3) = 12 - 42 = -30.

Correct Answer: 5, 12, 19, 26

The correct answer is 5, 12, 19, 26, as asked in this question on A.P. first four terms 5, 12, 19, 26.

Correct Answer: LCM = 144, HCF = 18

18 divides 144 completely, so the smaller number 18 is the HCF and the larger number 144 is the LCM.

Correct Answer: Left

A vertical mirror swaps left and right: the arms of F, which point right in the original, point left in its mirror image.

Correct Answer: 23515

The booklet's code maps T=5, A=1, B=2, L=3, E=5, so BLEAT reads B=2, L=3, E=5, A=1, T=5, i.e. 23515.

Correct Answer: CBV

Each letter shifts one place forward (C to D, A to B, T to U), so BAT becomes CBV.

Correct Answer: U

The gaps increase by one each time (+2, +3, +4, +5), so the next gap is +6: O (15) + 6 = U (21).

Correct Answer: 81

Each number is squared: 8 squared is 64, 6 squared is 36, 4 squared is 16, so 9 squared is 81.

Correct Answer: 42

The gaps increase by 2 each time (4, 6, 8, 10), so the next gap is 12: 30 + 12 = 42.

Correct Answer: 21

The gaps increase by 1 each time (2, 3, 4, 5), so the next gap is 6: 15 + 6 = 21.

Correct Answer: 30

The gaps increase by 2 each time (4, 6, 8), so the next gap is 10: 20 + 10 = 30.

Correct Answer: 30

The differences increase by 2 (4, 6, 8, 10), so the next term is 20 + 10 = 30.

Correct Answer: 9

3, 5, 7 and 11 are prime numbers; 9 (3 x 3) is the only composite number.

Correct Answer: 15

The series increases by 3 each time, so the next term after 12 is 15.

Correct Answer: Cube

Square, circle and triangle are two-dimensional figures; a cube is three-dimensional.

Correct Answer: Flowers

The premise states all roses are flowers; nothing follows about roses being yellow.

Correct Answer: 24

Work is constant: 12 x 6 = 72 man-days, so 72 / 3 = 24 men are needed in 3 days.

Correct Answer: 270°

Compass bearings run clockwise: north 0, east 90, south 180, west 270 degrees.

Correct Answer: Study of time

Chronology is the study of time and the arrangement of events in time order.

Correct Answer: Cardiorespiratory endurance

Cardiorespiratory fitness is the combined functioning of the heart, lungs and circulatory system supplying oxygen during sustained activity, and it is assessed through running, cycling, swimming and VO2 max testing.

Correct Answer: Louis Pasteur

Germ Theory of Disease states that microorganisms (bacteria, viruses, fungi) cause many diseases; it was established by Louis Pasteur in the 1860s, who disproved spontaneous generation, while Robert Koch further strengthened it in the 1870s-1880s by formulating Koch's Postulates and identifying disease-causing agents like anthrax and tuberculosis.

Correct Answer: Chiniot

Latest official data from the Punjab Mines and Minerals Department confirms an internationally verified resource of about 250 million tonnes of iron ore (plus 15 million tonnes of copper) at Chiniot-Rajoa, whereas the Kalabagh (Mianwali) deposits are estimated at around 150 million tonnes pending detailed exploration, so Chiniot is the largest iron ore deposit in Pakistan.

Correct Answer: Neutron

In modern physics, fundamental particles have no internal structure and cannot be divided further, such as quarks and neutrinos; protons and neutrons are composite particles made up of quarks, and the neutron is the commonly expected answer as not a fundamental particle.

Correct Answer: Back EMF

When an electric motor operates, it generates a back electromotive force (Back EMF) that opposes the applied voltage in accordance with Lenz's Law, produced by the motion of the motor's coils within a magnetic field and increasing with the speed of the motor.

Correct Answer: coordinate

AlCl3 is mainly covalent, but in solid/dimer form (Al2Cl6) it forms coordinate (dative covalent) bonds where chlorine donates an electron pair to aluminum, so the correct answer is coordinate bond.

Correct Answer: Both A & B

The correct answer is Both A & B, as asked in this question on Hydrophyte characters Both A & B (absence of mechanical tissue + aerenchyma; vascular system reduced, so C excluded).

Correct Answer: Shenzhou-23

The Shenzhou program is China's flagship crewed spaceflight initiative, routinely launching astronauts to the Tiangong station.

Correct Answer: China

The Tiangong space station is built and operated exclusively by the China Manned Space Agency.

Correct Answer: Atlantic ocean

While rare on water, hantavirus can spread via rodent infestations aboard international shipping vessels in the Atlantic.

Correct Answer: Fossil Fuels

Fossil fuels are non-renewable because they form over geological time and are used up faster than they are replaced.

Correct Answer: Yildirimhan

Turkey's rapidly expanding defense industry achieved a milestone with the unveiling of its indigenous ICBM program.

Correct Answer: Russia

The RS-28 Sarmat is an advanced Russian liquid-fueled, super-heavy intercontinental ballistic missile.

Correct Answer: 60%

The correct answer is 60%, as asked in this question on Human body water 60% (key; student tick on 70% was wrong).

Correct Answer: Ecuador

Advanced ecological and environmental monitoring systems are vital for protecting fragile island biodiversity.

Correct Answer: 20 Hz - 20 kHz

The correct answer is 20 Hz - 20 kHz, as asked in this question on Human hearing range 20 Hz - 20 kHz.

Correct Answer: Allotropic form of Carbon

The correct answer is Allotropic form of Carbon, as asked in this question on Diamond classification.

Correct Answer: Mercury

The correct answer is Mercury, as asked in this question on Liquid metal at room temperature Mercury.

Correct Answer: William Harvey

The correct answer is William Harvey, as asked in this question on Blood circulation William Harvey.

Correct Answer: Prenatal Scanning

The correct answer is Prenatal Scanning, as asked in this question on Ultrasound prenatal scanning.

Correct Answer: All nucleated Cell

The correct answer is All nucleated Cell, as asked in this question on HLA Class I nucleated cells.

Correct Answer: Temperature

The correct answer is Temperature, as asked in this question on Gas pressure at constant volume.

Correct Answer: Silicon

Solar cells are mainly made of silicon, a semiconductor that converts sunlight into electricity.

Correct Answer: Cerebellum

The correct answer is Cerebellum, as asked in this question on Brain balance and coordination.

Correct Answer: Jaime Ferran

The correct answer is Jaime Ferran, as asked in this question on First cholera vaccine Ferran.