50 Science GK for All.
Here are multiple-choice questions (MCQs) with answers based on the provided science general knowledge questions: 1. What is the chemical symbol for water? a) H b) O c) H2O d) HO **Answer: c) H2O** 2. Who is known as the father of modern physics? a) Isaac Newton b) Albert Einstein c) Galileo Galilei d) Nikola Tesla **Answer: b) Albert Einstein** 3. What is the largest organ in the human body? a) Liver b) Skin c) Brain d) Heart **Answer: b) Skin** 4. What is the chemical formula for table salt? a) Na b) NaCl c) HCl d) H2O **Answer: b) NaCl** 5. What is the unit of measurement for force? a) Joule b) Watt c) Newton d) Ampere **Answer: c) Newton** 6. Who discovered penicillin? a) Alexander Fleming b) Louis Pasteur c) Marie Curie d) Robert Koch **Answer: a) Alexander Fleming** 7. What is the hardest natural substance on Earth? a) Diamond b) Graphite c) Quartz d) Tungsten **A