Science
What is the chemical symbol for water?
H₂O
In Christianity, who is considered the Son of God?
Jesus Christ
What organ pumps blood throughout the body?
The heart
What type of boat is powered by wind using sails?
Sailboat
What is 5 + 7?
12
What planet is known as the "Red Planet"?
Mars
What is the holy book of Islam?
The Quran
What is the medical term for high blood pressure?
Hypertension
What is the name of the large passenger ships used for leisure travel?
Cruise ships
What is the square root of 81?
9
What gas do plants absorb during photosynthesis?
Carbon dioxide (CO₂)
What is the Jewish day of rest called?
Shabbat (Sabbath)
What vitamin is primarily produced when the skin is exposed to sunlight?
Vitamin D
What is the name of the emergency boats used when a ship is sinking?
Lifeboats
What is the value of π (pi) rounded to two decimal places?
3.14
Who developed the theory of general relativity?
Albert Einstein
Which religion follows the Four Noble Truths?
Buddhism
What is the name of the bone in the upper arm?
Humerus
What is the process of measuring water depth using sound waves called?
Sonar (or Echo Sounding)
If a triangle has angles of 90° and 45°, what is the third angle?
45°
What is the powerhouse of the cell?
Mitochondria
In Hinduism, which god is known as the "Destroyer"?
Shiva
Which disease was eradicated through vaccination in 1980?
Smallpox
What is the front of a boat called?
The bow
What is the formula for the area of a circle?
A = πr²