#1
What is the most abundant gas in Earth's atmosphere?
#2
Which planet is known as the Red Planet?
#3
What is the powerhouse of the cell?
#4
Which of the following is not a type of cloud?
#5
Which gas is responsible for the greenhouse effect?
#6
Who was the first President of the United States?
#7
What is the main component of the Earth's core?
#8
Who wrote the 'Harry Potter' book series?
#9
What is the chemical symbol for water?
#10
Which of the following is not a primary color?
#11
What is the chemical symbol for gold?
#12
Who is the author of the novel 'To Kill a Mockingbird'?
#13
What is the chemical symbol for helium?
#14
Who wrote 'Romeo and Juliet'?
#15
What is the chemical symbol for silver?
#16
Which ocean is the largest on Earth?
#17
What is the chemical symbol for potassium?
#18
Which country is the largest by land area?
#19
What is the capital city of Australia?
#20
What is the tallest mammal on Earth?
#21
Who painted the Mona Lisa?
#22
What is the capital city of Brazil?
#23
What is the largest mammal in the world?
#24
In what year did the Titanic sink?
#25