What is the capital of Japan?
- A.Tokyo
- B.Osaka
- C.Kyoto
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Answer: Tokyo
Tokyo is Japan's capital and its largest metropolitan area.
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Geography ยท Easy
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Tokyo
Tokyo is Japan's capital and its largest metropolitan area.
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Tokyo
Tokyo is Japan's capital and its largest metropolitan area.
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Multiple-choice practice works best when each item has one defensible answer, plausible alternatives, and feedback that explains the distinction. This 50-question bank covers broad foundational topics. It is useful for informal practice and classroom warm-ups, not professional certification or a specific exam syllabus.
Read the stem before the choices, commit to an option, then check the explanation. Record the underlying topic you missed rather than only memorizing the option position.
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These questions cover general school-level knowledge. They are not designed for entrance tests, civil-service exams, medical exams, or professional certifications, which require syllabus-specific material and formal quality controls.
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Choose an option in the generator above, or use the full bank below. Each item has one checked answer and feedback explaining the distinction.
What is the capital of Japan?
Answer: Tokyo
Tokyo is Japan's capital and its largest metropolitan area.
Which ocean contains the Mariana Trench, Earth's deepest known oceanic trench?
Answer: Pacific Ocean
The Mariana Trench lies in the western Pacific Ocean.
Source: NOAA Ocean ExplorationWhat is the world's largest desert by total area?
Answer: The Antarctic Desert
Deserts are defined by low precipitation, so Antarctica is larger than every hot desert.
On which continent is most of the Amazon rainforest located?
Answer: South America
Most of the Amazon basin lies in Brazil, with portions in several neighboring South American countries.
What is the capital of Australia?
Answer: Canberra
Canberra became the seat of Australia's federal government in 1927.
What is the capital of Kenya?
Answer: Nairobi
Nairobi is Kenya's capital and largest city; Kampala is the capital of Uganda.
Which continent is largest by land area?
Answer: Asia
Asia is the largest continent by land area and population.
At which type of plate boundary do tectonic plates move apart?
Answer: Divergent
At divergent boundaries, plates move away from one another and new crust can form.
Which line of longitude is defined as 0 degrees?
Answer: The Prime Meridian
The Prime Meridian passes through Greenwich and is the reference for measuring longitude.
How many sides does a hexagon have?
Answer: 6
The prefix 'hex-' means six.
What is the principal square root of 144?
Answer: 12
Twelve multiplied by twelve equals 144.
How many hours are in a seven-day week?
Answer: 168
Seven days multiplied by 24 hours equals 168 hours.
What is 3/4 written as a decimal?
Answer: 0.75
Three divided by four equals seventy-five hundredths.
What is the sum of the interior angles of a triangle in Euclidean geometry?
Answer: 180 degrees
The three interior angles of a Euclidean triangle add to 180 degrees.
What is 20 percent of 150?
Answer: 30
Convert 20 percent to 0.2, then multiply 0.2 by 150.
Which gas makes up most of Earth's atmosphere?
Answer: Nitrogen
Nitrogen accounts for about 78 percent of the atmosphere by volume.
How many recognized planets are in our solar system?
Answer: 8
The IAU classifies eight bodies as planets; Pluto is classified as a dwarf planet.
What is the chemical symbol for iron?
Answer: Fe
Fe comes from ferrum, the Latin word for iron.
What is the freezing point of pure water on the Fahrenheit scale at standard pressure?
Answer: 32 degrees Fahrenheit
Pure water freezes at 32 degrees Fahrenheit, equivalent to 0 degrees Celsius, at standard pressure.
Who observed penicillin's antibacterial effect in 1928?
Answer: Alexander Fleming
Fleming observed the effect in 1928 and published his findings in 1929. Howard Florey, Ernst Chain, and colleagues later helped develop penicillin into a practical treatment.
Source: Nobel Prize: Alexander Fleming Questions and AnswersWhat is the smallest structure generally considered a living unit?
Answer: A cell
Cells are the basic structural and functional units of living organisms.
What is the chemical symbol for sodium?
Answer: Na
Na comes from natrium, the Latin name for sodium.
What is the largest organ in the human body?
Answer: The skin
The skin is the body's largest organ by surface area and weight.
How many teeth are in a full adult dentition when all wisdom teeth are present?
Answer: 32
The count includes four third molars, commonly called wisdom teeth.
How many chambers does a human heart normally have?
Answer: 4
The heart has two atria and two ventricles.
What is the longest bone in the human body?
Answer: The femur
The femur runs from the hip to the knee and is also the body's strongest bone.
Which organ pumps blood through the human circulatory system?
Answer: The heart
The heart pumps blood through pulmonary and systemic circulation.
Which process converts light energy into chemical energy in plants?
Answer: Photosynthesis
Photosynthesis uses light energy to produce sugars from carbon dioxide and water.
At standard classroom conditions, which pH value is neutral?
Answer: pH 7
Pure water is neutral at about pH 7 under standard classroom conditions.
Which element has atomic number 1?
Which energy source is renewable?
Answer: Solar energy
Sunlight is naturally replenished, unlike fossil fuels such as coal and natural gas.
What is the common name of the compound CO2?
Answer: Carbon dioxide
CO2 contains one carbon atom and two oxygen atoms.
Which is the largest planet in our solar system?
Who wrote 'The Great Gatsby'?
Answer: F. Scott Fitzgerald
Fitzgerald's novel was published in 1925.
How many strings does a standard guitar usually have?
Answer: 6
Standard acoustic and electric guitars most commonly use six strings.
Who is traditionally credited with composing 'The Odyssey'?
Answer: Homer
The ancient Greek epic is traditionally attributed to Homer, though its composition history is debated.
In which year did the Berlin Wall fall?
Answer: 1989
The border opened on 9 November 1989.
Who was the first person to walk on the Moon?
Answer: Neil Armstrong
Armstrong stepped onto the lunar surface during Apollo 11 in July 1969.
Source: NASA Apollo 11 HistoryWho achieved the first controlled, sustained flight of a powered, heavier-than-air aircraft?
Answer: The Wright brothers
Orville and Wilbur Wright made their historic powered flights at Kitty Hawk in December 1903.
Source: Smithsonian National Air and Space MuseumWho was the first woman to receive a Nobel Prize?
Answer: Marie Curie
Curie shared the 1903 Nobel Prize in Physics and later won the 1911 Chemistry prize.
Source: Nobel Prize: Marie CurieIn what year was Magna Carta first sealed?
Answer: 1215
King John sealed Magna Carta at Runnymede in June 1215.
What is the currency of the United Kingdom?
Answer: Pound sterling
The pound sterling uses the international currency code GBP.
What does CPU stand for?
Answer: Central Processing Unit
The CPU executes instructions and performs a computer's core calculations.
What does GPS stand for?
Answer: Global Positioning System
GPS uses satellite signals to provide positioning, navigation, and timing.
What was the first artificial satellite placed in Earth orbit?
Answer: Sputnik 1
The Soviet Union launched Sputnik 1 on 4 October 1957.
Which data structure follows a first-in, first-out order?
Answer: Queue
A queue removes items in the same order in which they were added; a stack is last-in, first-out.
Which literary device gives human qualities to a non-human thing?
Answer: Personification
Personification describes an object, animal, or idea as having human traits or actions.
Which word is the simple past tense of 'go'?
Answer: Went
'Go' is irregular: 'went' is the simple past, while 'gone' is the past participle.
In a basic competitive market model, what usually happens to price when supply falls and demand is unchanged?
Answer: Price rises
A decrease in supply shifts the supply curve left, raising the equilibrium price if other factors remain unchanged.
Which branch of the U.S. federal government makes federal laws?
Answer: Legislative
Congress is the legislative branch and consists of the House of Representatives and Senate.
Source: USA.gov: Branches of governmentPractical guides
How to Study for Multiple-Choice Tests: A Practical Method
Learn a practical MCQ study method: reason through choices, review mistakes, check uncertain answers, and turn a quiz into useful revision.
Retrieval Practice for Exam Revision: A Worked Study Routine
Use retrieval practice to revise with a clear routine: answer from memory, check the evidence, repair gaps, and revisit topics with worked examples.
Each tool has a separate purpose, so you can switch formats without losing the topic you need.
Read the question before looking at the options and try to formulate an answer first. Eliminate clearly wrong choices, then review your selection if you can identify a specific reason it may be incorrect.
There is no universal target. Use a manageable set, review why each distractor is wrong, and return to weak topics. Follow your syllabus and teacher's guidance for the amount and difficulty of practice.
Plausible distractors, wrong answers designed to look correct, are the real challenge. They test not just whether you know the right answer, but whether you can distinguish it from closely related wrong ones. That requires genuine understanding, not just surface familiarity.
No. Selecting an answer and constructing one require different work. If your assessment includes written responses, practise explaining and applying the material in that format too.