[Who is credited with developing the theory of relativity? A. Isaac Newton B. Albert Einstein C. Niels Bohr D. Galileo Galilei ✅ Correct Answer: B. Albert Einstein [Which planet is known as the Red Planet? A. Venus B. Mars C. Jupiter D. Saturn ✅ Correct Answer: B. Mars What is the capital of Japan? A. Beijing B. Seoul C. Tokyo D. Bangkok ✅ Correct Answer: C. Tokyo [Who wrote the play Romeo and Juliet? A. William Wordsworth B. Charles Dickens C. William Shakespeare D. Jane Austen ✅ Correct Answer: C. William Shakespeare The Great Barrier Reef is off the coast of which country? A. Australia B. USA C. South Africa D. India ✅ Correct Answer: A. Australia The Pyramids of Giza are located in which country? A. Mexico B. Egypt C. Peru D. India ✅ Correct Answer: B. Egypt What is the hardest natural substance on Earth? A. Gold B. Iron C. Diamond D. Platinum ✅ Correct Answer: C. Diamond ,. What is the primary language spoken in Brazil? A. Spanish B. Portuguese C. French D. English ✅ Correct Answer: B. Portuguese In which year did World War II end? A. 1945 B. 1939 C. 1918 D. 1950 ✅ Correct Answer: A. 1945 Which element has the chemical symbol “O”? A. Gold B. Oxygen C. Osmium D. Silver ✅ Correct Answer: B. Oxygen What is the largest mammal in the world? A. African elephant B. Blue whale C. Giraffe D. Hippopotamus ✅ Correct Answer: B. Blue whale How many continents are there on Earth? A. 5 B. 6 C. 7 D. 8 ✅ Correct Answer: C. 7 Who is known as the Father of Computers? A. Alan Turing B. Charles Babbage C. Bill Gates D. Steve Jobs ✅ Correct Answer: B. Charles Babbage What gas do plants absorb from the atmosphere? A. Oxygen B. Carbon dioxide C. Nitrogen D. Hydrogen ✅ Correct Answer: B. Carbon dioxide Mount Everest is located on the border between Nepal and which country? A. India B. China C. Pakistan D. Bhutan ✅ Correct Answer: B. China Who discovered penicillin? A. Alexander Fleming B. Louis Pasteur C. Marie Curie D. Gregor Mendel ✅ Correct Answer: A. Alexander Fleming Which country hosted the 2016 Summer Olympics? A. China B. Brazil C. UK D. Russia ✅ Correct Answer: B. Brazil Which is the longest river in the world? A. Amazon B. Nile C. Yangtze D. Mississippi ✅ Correct Answer: B. Nile The Taj Mahal is in which Indian city? A. Mumbai B. Delhi C. Agra D. Jaipur ✅ Correct Answer: C. Agra