Plus One Model Exam Answer Key 2023 offers students a valuable resource for reviewing their answers and understanding key concepts. This guide provides a range of questions and answers from various subjects to help with exam preparation. It includes explanations and details necessary for grasping the material effectively.
Plus One Model Exam Answer Key 2023
Questions and Answers
Question
What is the capital of France?
Answer
The capital of France is Paris.
Question
Who wrote “Romeo and Juliet”?
Answer
“Romeo and Juliet” was written by William Shakespeare.
Question
What is the chemical formula for water?
Answer
The chemical formula for water is H2O.
Question
In which year did World War I begin?
Answer
World War I began in 1914.
Question
What is the largest planet in our solar system?
Answer
The largest planet in our solar system is Jupiter.
Question
Who painted the Mona Lisa?
Answer
The Mona Lisa was painted by Leonardo da Vinci.
Question
What is the freezing point of water in Celsius?
Answer
The freezing point of water is 0 degrees Celsius.
Question
Who is known as the Father of Computers?
Answer
Charles Babbage is known as the Father of Computers.
Question
What is the main language spoken in Brazil?
Answer
The main language spoken in Brazil is Portuguese.
Question
What gas do plants need for photosynthesis?
Answer
Plants need carbon dioxide for photosynthesis.
Question
What is the hardest natural substance on Earth?
Answer
The hardest natural substance on Earth is diamond.
Question
Who discovered penicillin?
Answer
Penicillin was discovered by Alexander Fleming.
Question
What is the smallest unit of life?
Answer
The smallest unit of life is the cell.
Question
Which planet is known as the Red Planet?
Answer
Mars is known as the Red Planet.
Question
What is the currency used in Japan?
Answer
The currency used in Japan is the Yen.
Question
What is the boiling point of water in Fahrenheit?
Answer
The boiling point of water is 212 degrees Fahrenheit.
Question
Who is the author of “To Kill a Mockingbird”?
Answer
“To Kill a Mockingbird” was written by Harper Lee.
Question
What is the longest river in the world?
Answer
The longest river in the world is the Nile River.
Question
What is the smallest planet in our solar system?
Answer
The smallest planet in our solar system is Mercury.
Question
Who developed the theory of relativity?
Answer
The theory of relativity was developed by Albert Einstein.
Question
What element has the chemical symbol Au?
Answer
The element with the chemical symbol Au is gold.
Question
What is the largest organ in the human body?
Answer
The largest organ in the human body is the skin.
Question
Which famous scientist formulated the laws of motion?
Answer
The laws of motion were formulated by Isaac Newton.
Question
What is the primary source of energy for the Earth?
Answer
The primary source of energy for the Earth is the Sun.
Question
What type of animal is a Komodo dragon?
Answer
A Komodo dragon is a type of lizard.
Question
What is the primary language spoken in China?
Answer
The primary language spoken in China is Mandarin.
Question
What is the capital city of Australia?
Answer
The capital city of Australia is Canberra.
Question
Who wrote the novel “1984”?
Answer
The novel “1984” was written by George Orwell.
Question
What is the largest ocean on Earth?
Answer
The largest ocean on Earth is the Pacific Ocean.
Question
Which planet is known for its rings?
Answer
Saturn is known for its rings.
Question
What is the basic unit of heredity?
Answer
The basic unit of heredity is the gene.
Question
Who was the first man to walk on the Moon?
Answer
Neil Armstrong was the first man to walk on the Moon.
Question
What is the chemical symbol for sodium?
Answer
The chemical symbol for sodium is Na.
Question
Which country is known as the Land of the Rising Sun?
Answer
Japan is known as the Land of the Rising Sun.
Question
What is the capital of Canada?
Answer
The capital of Canada is Ottawa.
Question
Who wrote “Pride and Prejudice”?
Answer
“Pride and Prejudice” was written by Jane Austen.
Question
What is the study of living organisms called?
Answer
The study of living organisms is called biology.
Question
What is the primary function of the heart?
Answer
The primary function of the heart is to pump blood throughout the body.
Question
What is the main ingredient in guacamole?
Answer
The main ingredient in guacamole is avocado.
Question
Who is the author of “The Great Gatsby”?
Answer
“The Great Gatsby” was written by F. Scott Fitzgerald.
Question
What is the largest desert in the world?
Answer
The largest desert in the world is the Sahara Desert.
Question
What is the symbol for the element oxygen?
Answer
The symbol for the element oxygen is O.
Question
Which country is famous for its pyramids?
Answer
Egypt is famous for its pyramids.
Question
What is the hardest substance found in the human body?
Answer
The hardest substance found in the human body is enamel.
Question
Who invented the light bulb?
Answer
Thomas Edison invented the light bulb.
Question
What is the chemical formula for salt?
Answer
The chemical formula for salt is NaCl.
Question
What is the capital of Germany?
Answer
The capital of Germany is Berlin.
Question
What is the process by which plants make their food?
Answer
The process by which plants make their food is called photosynthesis.
Question
Which element is essential for respiration?
Answer
The element essential for respiration is oxygen.
Question
Who wrote “The Catcher in the Rye”?
Answer
“The Catcher in the Rye” was written by J.D. Salinger.
Question
What is the largest species of shark?
Answer
The largest species of shark is the whale shark.
Question
What planet is known as the Morning Star?
Answer
Venus is known as the Morning Star.
Question
What is the primary function of the lungs?
Answer
The primary function of the lungs is to exchange oxygen and carbon dioxide.
Question
What is the speed of light in a vacuum?
Answer
The speed of light in a vacuum is approximately 299,792 kilometers per second.
Question
What is the smallest bone in the human body?
Answer
The smallest bone in the human body is the stapes bone in the ear.
Question
Which planet is closest to the Sun?
Answer
Mercury is closest to the Sun.
Question
What is the name of the galaxy we live in?
Answer
The name of the galaxy we live in is the Milky Way.
Question
Who wrote the “Harry Potter” series?
Answer
The “Harry Potter” series was written by J.K. Rowling.
Question
What is the primary function of the digestive system?
Answer
The primary function of the digestive system is to break down food and absorb nutrients.
Question
What is the boiling point of water in Celsius?
Answer
The boiling point of water is 100 degrees Celsius.
Question
What is the largest mammal in the ocean?
Answer
The largest mammal in the ocean is the blue whale.
Question
Which element is known as the building block of life?
Answer
Carbon is known as the building block of life.
Question
Who was the first President of the United States?
Answer
George Washington was the first President of the United States.
Question
What is the hardest mineral found in nature?
Answer
The hardest mineral found in nature is diamond.
Question
What is the capital of India?
Answer
The capital of India is New Delhi.
Question
What is the primary language spoken in Spain?
Answer
The primary language spoken in Spain is Spanish.
Question
Who is the Greek god of the sea?
Answer
Poseidon is the Greek god of the sea.
Question
What is the chemical symbol for iron?
Answer
The chemical symbol for iron is Fe.
Question
What organ is responsible for pumping blood?
Answer
The heart is responsible for pumping blood.
Question
What is the largest land animal?
Answer
The largest land animal is the African elephant.
Question
What is the currency used in the United Kingdom?
Answer
The currency used in the United Kingdom is the Pound Sterling.
Question
What is the name of the process by which water evaporates from plants?
Answer
The process by which water evaporates from plants is called transpiration.
Question
What is the primary source of energy for the Earth?
Answer
The primary source of energy for the Earth is the Sun.
Question
Who is known for the theory of evolution?
Answer
Charles Darwin is known for the theory of evolution.
Question
What is the chemical formula for glucose?
Answer
The chemical formula for glucose is C6H12O6.
Question
What is the capital of Italy?
Answer
The capital of Italy is Rome.
Question
What is the study of weather called?
Answer
The study of weather is called meteorology.
Question
Which planet is known as the Blue Planet?
Answer
Earth is known as the Blue Planet.
Question
What is the name of the process by which plants make their food?
Answer
The process by which plants make their food is called photosynthesis.
Question
What is the chemical symbol for potassium?
Answer
The chemical symbol for potassium is K.
Question
What is the largest island in the world?
Answer
The largest island in the world is Greenland.
Question
Who painted “Starry Night”?
Answer
“Starry Night” was painted by Vincent van Gogh.
Question
What is the name of the first manned mission to land on the Moon?
Answer
The name of the first manned mission to land on the Moon is Apollo 11.
Question
What is the capital of Russia?
Answer
The capital of Russia is Moscow.
Question
What is the primary function of the skeletal system?
Answer
The primary function of the skeletal system is to support and protect the body’s organs.
Question
Who discovered the laws of gravity?
Answer
Isaac Newton discovered the laws of gravity.
Question
What is the primary function of the respiratory system?
Answer
The primary function of the respiratory system is to facilitate the exchange of gases between the body and the environment.
Question
What is the capital of South Korea?
Answer
The capital of South Korea is Seoul.
Question
Who wrote the play “Macbeth”?
Answer
“Macbeth” was written by William Shakespeare.
Question
What is the chemical symbol for helium?
Answer
The chemical symbol for helium is He.
Question
What is the smallest planet in our solar system?
Answer
The smallest planet in our solar system is Mercury.
Question
Who was the first woman to win a Nobel Prize?
Answer
Marie Curie was the first woman to win a Nobel Prize.
Question
What is the capital of Brazil?
Answer
The capital of Brazil is BrasÃlia.
Question
What is the main function of the digestive system?
Answer
The main function of the digestive system is to break down food and absorb nutrients.
Question
What is the largest species of bird?
Answer
The largest species of bird is the ostrich.
Question
What is the chemical symbol for carbon?
Answer
The chemical symbol for carbon is C.
Question
What is the largest lake in Africa?
Answer
The largest lake in Africa is Lake Victoria.
Question
Who wrote “The Odyssey”?
Answer
“The Odyssey” was written by Homer.
Question
What is the capital of Egypt?
Answer
The capital of Egypt is Cairo.
Question
What is the primary function of the nervous system?
Answer
The primary function of the nervous system is to transmit signals between different parts of the body.
Question
What is the largest organ inside the human body?
Answer
The largest organ inside the human body is the liver.
Question
Who was the first human in space?
Answer
Yuri Gagarin was the first human in space.
Question
What is the chemical symbol for silver?
Answer
The chemical symbol for silver is Ag.
Question
What is the smallest country in the world?
Answer
The smallest country in the world is Vatican City.
Question
What is the capital of Spain?
Answer
The capital of Spain is Madrid.
Question
Who developed the polio vaccine?
Answer
Jonas Salk developed the polio vaccine.
Question
What is the process by which plants make their food?
Answer
The process by which plants make their food is called photosynthesis.
Question
What is the chemical symbol for calcium?
Answer
The chemical symbol for calcium is Ca.
Question
What is the largest city in the United States by population?
Answer
The largest city in the United States by population is New York City.
Question
Who wrote “The Divine Comedy”?
Answer
“The Divine Comedy” was written by Dante Alighieri.
Question
What is the capital of Argentina?
Answer
The capital of Argentina is Buenos Aires.
Question
What is the name of the galaxy we live in?
Answer
The name of the galaxy we live in is the Milky Way.
Question
What is the chemical symbol for nitrogen?
Answer
The chemical symbol for nitrogen is N.
Question
What is the largest rainforest in the world?
Answer
The largest rainforest in the world is the Amazon Rainforest.
Question
What is the capital of Mexico?
Answer
The capital of Mexico is Mexico City.
Question
Who is the author of “The Hobbit”?
Answer
“The Hobbit” was written by J.R.R. Tolkien.
Question
What is the study of plants called?
Answer
The study of plants is called botany.
Question
What is the largest ocean on Earth?
Answer
The largest ocean on Earth is the Pacific Ocean.
Question
Who was the first female Prime Minister of the United Kingdom?
Answer
Margaret Thatcher was the first female Prime Minister of the United Kingdom.
Question
What is the capital of Thailand?
Answer
The capital of Thailand is Bangkok.
Question
Who discovered gravity?
Answer
Isaac Newton discovered gravity.
Question
What is the smallest unit of matter?
Answer
The smallest unit of matter is the atom.
Question
What is the capital of Italy?
Answer
The capital of Italy is Rome.
Question
Who is known as the Father of Medicine?
Answer
Hippocrates is known as the Father of Medicine.
Question
What is the main ingredient in sushi?
Answer
The main ingredient in sushi is rice.
Question
What is the capital of Norway?
Answer
The capital of Norway is Oslo.
Question
What is the largest country in the world by land area?
Answer
The largest country in the world by land area is Russia.
Question
Who painted the “Last Supper”?
Answer
The “Last Supper” was painted by Leonardo da Vinci.
Question
What is the chemical symbol for zinc?
Answer
The chemical symbol for zinc is Zn.
Question
What is the capital of South Africa?
Answer
South Africa has three capitals: Pretoria (administrative), Bloemfontein (judicial), and Cape Town (legislative).
Question
What is the most abundant gas in the Earth’s atmosphere?
Answer
The most abundant gas in the Earth’s atmosphere is nitrogen.
Question
Who wrote “The Canterbury Tales”?
Answer
“The Canterbury Tales” was written by Geoffrey Chaucer.
Question
What is the capital of Turkey?
Answer
The capital of Turkey is Ankara.
Question
What is the process by which a caterpillar becomes a butterfly?
Answer
The process by which a caterpillar becomes a butterfly is called metamorphosis.
Question
What is the chemical symbol for copper?
Answer
The chemical symbol for copper is Cu.
Question
What is the largest volcano in the world?
Answer
The largest volcano in the world is Mauna Loa in Hawaii.
Question
Who was the first person to climb Mount Everest?
Answer
Sir Edmund Hillary and Tenzing Norgay were the first people to climb Mount Everest.
Question
What is the capital of Belgium?
Answer
The capital of Belgium is Brussels.
Question
Who discovered the structure of DNA?
Answer
James Watson and Francis Crick discovered the structure of DNA.
Question
What is the chemical symbol for mercury?
Answer
The chemical symbol for mercury is Hg.
Question
What is the largest bird in the world?
Answer
The largest bird in the world is the ostrich.
Question
What is the capital of New Zealand?
Answer
The capital of New Zealand is Wellington.
Question
What is the main component of the Earth’s atmosphere?
Answer
The main component of the Earth’s atmosphere is nitrogen.
Question
Who wrote “Frankenstein”?
Answer
“Frankenstein” was written by Mary Shelley.
Question
What is the capital of Indonesia?
Answer
The capital of Indonesia is Jakarta.
Question
What is the chemical symbol for chlorine?
Answer
The chemical symbol for chlorine is Cl.
Question
What is the smallest unit of life?
Answer
The smallest unit of life is the cell.
Question
What is the capital of Sweden?
Answer
The capital of Sweden is Stockholm.
Question
Who was the first woman to fly solo across the Atlantic Ocean?
Answer
Amelia Earhart was the first woman to fly solo across the Atlantic Ocean.
Question
What is the chemical symbol for platinum?
Answer
The chemical symbol for platinum is Pt.
Question
What is the largest river by volume?
Answer
The largest river by volume is the Amazon River.
Question
What is the capital of Malaysia?
Answer
The capital of Malaysia is Kuala Lumpur.
Question
Who wrote “Don Quixote”?
Answer
“Don Quixote” was written by Miguel de Cervantes.
Question
What is the chemical symbol for argon?
Answer
The chemical symbol for argon is Ar.
Question
What is the capital of Finland?
Answer
The capital of Finland is Helsinki.
Question
What is the largest island in the Mediterranean Sea?
Answer
The largest island in the Mediterranean Sea is Sicily.
Question
Who is the Roman god of war?
Answer
Mars is the Roman god of war.
Question
What is the chemical symbol for iodine?
Answer
The chemical symbol for iodine is I.
Question
What is the capital of Portugal?
Answer
The capital of Portugal is Lisbon.
Question
What is the most common element in the universe?
Answer
The most common element in the universe is hydrogen.
Question
Who wrote “The Tale of Two Cities”?
Answer
“The Tale of Two Cities” was written by Charles Dickens.
Question
What is the chemical symbol for phosphorus?
Answer
The chemical symbol for phosphorus is P.
Question
What is the capital of Chile?
Answer
The capital of Chile is Santiago.
Question
What is the largest moon of Saturn?
Answer
The largest moon of Saturn is Titan.
Question
Who discovered electricity?
Answer
Electricity was discovered through the work of many scientists, but Benjamin Franklin is famously known for his experiments with it.
Question
What is the chemical symbol for tungsten?
Answer
The chemical symbol for tungsten is W.
Question
What is the capital of Austria?
Answer
The capital of Austria is Vienna.
Question
Who was the first woman to win a Nobel Prize?
Answer
Marie Curie was the first woman to win a Nobel Prize.
Question
What is the capital of Denmark?
Answer
The capital of Denmark is Copenhagen.
Question
What is the chemical symbol for sulfur?
Answer
The chemical symbol for sulfur is S.
Question
What is the largest landlocked country?
Answer
The largest landlocked country is Kazakhstan.
Question
Who painted “The Persistence of Memory”?
Answer
“The Persistence of Memory” was painted by Salvador DalÃ.
Question
What is the capital of Morocco?
Answer
The capital of Morocco is Rabat.
Question
What is the chemical symbol for neon?
Answer
The chemical symbol for neon is Ne.
Question
What is the capital of the Netherlands?
Answer
The capital of the Netherlands is Amsterdam.
Question
What is the name of the process by which plants absorb water through their roots?
Answer
The process by which plants absorb water through their roots is called osmosis.
Question
What is the chemical symbol for silver?
Answer
The chemical symbol for silver is Ag.
Question
What is the largest species of bear?
Answer
The largest species of bear is the polar bear.
Question
What is the capital of Poland?
Answer
The capital of Poland is Warsaw.
Question
Who invented the telephone?
Answer
Alexander Graham Bell invented the telephone.
Question
What is the chemical symbol for uranium?
Answer
The chemical symbol for uranium is U.
Question
What is the capital of Greece?
Answer
The capital of Greece is Athens.
Question
Who wrote “Wuthering Heights”?
Answer
“Wuthering Heights” was written by Emily Brontë.
Question
What is the capital of Colombia?
Answer
The capital of Colombia is Bogotá.
Question
What is the chemical symbol for lithium?
Answer
The chemical symbol for lithium is Li.
Question
What is the largest glacier in the world?
Answer
The largest glacier in the world is the Lambert Glacier.
Question
What is the capital of Hungary?
Answer
The capital of Hungary is Budapest.
Question
Who is known for developing the theory of gravity?
Answer
Isaac Newton is known for developing the theory of gravity.
Question
What is the chemical symbol for magnesium?
Answer
The chemical symbol for magnesium is Mg.
Question
What is the capital of Ireland?
Answer
The capital of Ireland is Dublin.
Question
What is the most abundant metal in the Earth’s crust?
Answer
The most abundant metal in the Earth’s crust is aluminum.
Question
Who painted “Girl with a Pearl Earring”?
Answer
“Girl with a Pearl Earring” was painted by Johannes Vermeer.
Question
What is the capital of Kenya?
Answer
The capital of Kenya is Nairobi.
Question
What is the chemical symbol for selenium?
Answer
The chemical symbol for selenium is Se.
Question
What is the largest reef system in the world?
Answer
The largest reef system in the world is the Great Barrier Reef.
Question
What is the capital of Singapore?
Answer
The capital of Singapore is Singapore.
Question
Who wrote “Moby-Dick”?
Answer
“Moby-Dick” was written by Herman Melville.
Question
What is the capital of New Zealand?
Answer
The capital of New Zealand is Wellington.
Question
What is the chemical symbol for barium?
Answer
The chemical symbol for barium is Ba.
Question
What is the largest city in Canada?
Answer
The largest city in Canada by population is Toronto.
Question
What is the chemical symbol for chromium?
Answer
The chemical symbol for chromium is Cr.
Question
What is the capital of Venezuela?
Answer
The capital of Venezuela is Caracas.
Question
What is the process by which water turns into steam?
Answer
The process by which water turns into steam is called evaporation.
Question
What is the chemical symbol for manganese?
Answer
The chemical symbol for manganese is Mn.
Question
What is the capital of the United Arab Emirates?
Answer
The capital of the United Arab Emirates is Abu Dhabi.
Question
Who wrote “The Chronicles of Narnia”?
Answer
“The Chronicles of Narnia” was written by C.S. Lewis.
Question
What is the chemical symbol for lead?
Answer
The chemical symbol for lead is Pb.
Question
What is the capital of Qatar?
Answer
The capital of Qatar is Doha.
Question
What is the chemical symbol for strontium?
Answer
The chemical symbol for strontium is Sr.
Question
What is the largest island in the Pacific Ocean?
Answer
The largest island in the Pacific Ocean is New Guinea.
Question
What is the capital of Cuba?
Answer
The capital of Cuba is Havana.
Question
What is the chemical symbol for boron?
Answer
The chemical symbol for boron is B.
Question
What is the capital of Mongolia?
Answer
The capital of Mongolia is Ulaanbaatar.
Question
What is the chemical symbol for rubidium?
Answer
The chemical symbol for rubidium is Rb.
Question
What is the largest city in Brazil?
Answer
The largest city in Brazil by population is São Paulo.
Question
What is the chemical symbol for yttrium?
Answer
The chemical symbol for yttrium is Y.
Question
What is the capital of Jordan?
Answer
The capital of Jordan is Amman.
Question
What is the chemical symbol for zirconium?
Answer
The chemical symbol for zirconium is Zr.
Question
What is the capital of Saudi Arabia?
Answer
The capital of Saudi Arabia is Riyadh.
Question
What is the chemical symbol for thallium?
Answer
The chemical symbol for thallium is Tl.
Question
What is the largest hot desert in the world?
Answer
The largest hot desert in the world is the Sahara Desert.
Question
What is the capital of Uzbekistan?
Answer
The capital of Uzbekistan is Tashkent.
Question
What is the chemical symbol for tellurium?
Answer
The chemical symbol for tellurium is Te.
Question
What is the capital of Armenia?
Answer
The capital of Armenia is Yerevan.
Question
What is the chemical symbol for francium?
Answer
The chemical symbol for francium is Fr.
Question
What is the capital of Kyrgyzstan?
Answer
The capital of Kyrgyzstan is Bishkek.
Question
What is the chemical symbol for palladium?
Answer
The chemical symbol for palladium is Pd.
Question
What is the capital of Turkmenistan?
Answer
The capital of Turkmenistan is Ashgabat.
Question
What is the chemical symbol for radon?
Answer
The chemical symbol for radon is Rn.
Question
What is the capital of Nepal?
Answer
The capital of Nepal is Kathmandu.
Question
What is the chemical symbol for osmium?
Answer
The chemical symbol for osmium is Os.
Question
What is the capital of Laos?
Answer
The capital of Laos is Vientiane.
Question
What is the chemical symbol for indium?
Answer
The chemical symbol for indium is In.
Question
What is the capital of Bhutan?
Answer
The capital of Bhutan is Thimphu.
Question
What is the chemical symbol for rhodium?
Answer
The chemical symbol for rhodium is Rh.
Question
What is the capital of the Maldives?
Answer
The capital of the Maldives is Malé.
Question
What is the chemical symbol for neodymium?
Answer
The chemical symbol for neodymium is Nd.
Question
What is the capital of Brunei?
Answer
The capital of Brunei is Bandar Seri Begawan.
Question
What is the chemical symbol for samarium?
Answer
The chemical symbol for samarium is Sm.
Question
What is the capital of San Marino?
Answer
The capital of San Marino is San Marino.
Question
What is the chemical symbol for erbium?
Answer
The chemical symbol for erbium is Er.
Question
What is the capital of Liechtenstein?
Answer
The capital of Liechtenstein is Vaduz.
Question
What is the chemical symbol for dysprosium?
Answer
The chemical symbol for dysprosium is Dy.
Question
What is the capital of Monaco?
Answer
The capital of Monaco is Monaco.
