World Knowledge
11) Which planet is known as the Red Planet?
- Answer: Mars
12) Who invented the light bulb?
- Answer: Thomas Edison
13) What is the largest ocean on Earth?
- Answer: Pacific Ocean
14) Who is the author of “Harry Potter” series?
- Answer: J.K. Rowling
15) What is the hardest natural substance on Earth?
- Answer: Diamond
16) What is the smallest country in the world by area?
- Answer: Vatican City
17) Who painted the Mona Lisa?
- Answer: Leonardo da Vinci
18) What is the longest river in the world?
- Answer: The Nile River
17) Which element has the chemical symbol ‘O’?
- Answer: Oxygen
18) Who was the first woman to win a Nobel Prize?
- Answer: Marie Curie
19) What is the main language spoken in Brazil?
- Answer: Portuguese
20) Which planet is closest to the sun?
- Answer: Mercury