#1
What is the most abundant gas in Earth's atmosphere?
Nitrogen
ExplanationNitrogen makes up about 78% of Earth's atmosphere.
#2
Which planet is known as the Red Planet?
Mars
ExplanationMars is called the Red Planet due to its reddish appearance.
#3
What is the powerhouse of the cell?
Mitochondria
ExplanationMitochondria are known as the powerhouse of the cell, producing energy.
#4
Which of the following is not a type of cloud?
Tsunami
ExplanationTsunami is not a type of cloud; cumulus, stratus, and cirrus are.
#5
Which gas is responsible for the greenhouse effect?
Carbon dioxide
ExplanationCarbon dioxide is a major greenhouse gas, contributing to global warming.
#6
Who was the first President of the United States?
George Washington
ExplanationGeorge Washington was the first President of the United States.
#7
What is the main component of the Earth's core?
Iron
ExplanationIron is the main component of the Earth's core.
#8
Who wrote the 'Harry Potter' book series?
J.K. Rowling
ExplanationJ.K. Rowling wrote the 'Harry Potter' book series.
#9
What is the chemical symbol for water?
H2O
ExplanationWater's chemical symbol is H2O, representing its two hydrogen and one oxygen atoms.
#10
Which of the following is not a primary color?
Green
ExplanationGreen is not a primary color; red, blue, and yellow are.
#11
What is the chemical symbol for gold?
Au
ExplanationGold's chemical symbol is Au, derived from the Latin 'aurum'.
#12
Who is the author of the novel 'To Kill a Mockingbird'?
Harper Lee
ExplanationHarper Lee authored 'To Kill a Mockingbird'.
#13
What is the chemical symbol for helium?
He
ExplanationHelium's chemical symbol is He.
#14
Who wrote 'Romeo and Juliet'?
William Shakespeare
ExplanationWilliam Shakespeare wrote 'Romeo and Juliet'.
#15
What is the chemical symbol for silver?
Ag
ExplanationSilver's chemical symbol is Ag, from the Latin 'argentum'.
#16
Which ocean is the largest on Earth?
Pacific Ocean
ExplanationThe Pacific Ocean is the largest ocean on Earth.
#17
What is the chemical symbol for potassium?
K
ExplanationPotassium's chemical symbol is K, from the Latin 'kalium'.
#18
Which country is the largest by land area?
Russia
ExplanationRussia is the largest country by land area.
#19
What is the capital city of Australia?
Canberra
ExplanationCanberra is the capital city of Australia.
#20
What is the tallest mammal on Earth?
Giraffe
ExplanationThe giraffe is the tallest mammal on Earth, with its long neck.
#21
Who painted the Mona Lisa?
Leonardo da Vinci
ExplanationLeonardo da Vinci painted the Mona Lisa.
#22
What is the capital city of Brazil?
Brasília
ExplanationBrasília is the capital city of Brazil.
#23
What is the largest mammal in the world?
Blue whale
ExplanationThe blue whale is the largest mammal in the world.
#24
In what year did the Titanic sink?
1912
ExplanationThe Titanic sank in 1912.
#25
Who invented the telephone?
Alexander Graham Bell
ExplanationAlexander Graham Bell invented the telephone.