Science is one of the most fascinating subjects that connects us with the mysteries of life, the universe, and everything in between. Whether it’s Physics, Chemistry, Biology, or everyday Science facts, quiz questions make learning exciting. If you are preparing for competitive exams or just want to test your knowledge, this Science Quiz is perfect for you.
Science Quiz
In this article, we have compiled 100 Science Quiz Questions with Answers covering important topics like Physics, Chemistry, Biology, Space, Human Body, Inventions, and General Science. These quizzes are designed in a simple question-answer format so that learners of all ages can easily understand and remember.
Why Science Quiz Questions are Important?
Science quiz questions are not only fun but also highly useful for:
✅ Improving General Knowledge
✅ Preparing for competitive exams like UPSC, SSC, Railway, Banking, and State PSC
✅ Enhancing memory power and analytical thinking
✅ Boosting confidence during interviews and group discussions
Whether you’re a student, teacher, or quiz enthusiast, practicing with science quiz questions and answers will help you stay updated and sharp.
100 Science Quiz Questions with Answers
Here is the complete list of 100 science quiz questions with answers for your preparation.
Biology Quiz Questions
- Which part of the cell contains genetic material?
👉 Answer: Nucleus - What is the functional unit of the kidney?
👉 Answer: Nephron - The process by which green plants make their food is called?
👉 Answer: Photosynthesis - Which vitamin is produced when the skin is exposed to sunlight?
👉 Answer: Vitamin D - Who is known as the “Father of Modern Biology”?
👉 Answer: Aristotle
Physics Quiz Questions
- What is the speed of light in vacuum?
👉 Answer: 3 × 10⁸ m/s - Which law explains the relationship between force, mass, and acceleration?
👉 Answer: Newton’s Second Law of Motion - What is the SI unit of electric current?
👉 Answer: Ampere - Which energy is associated with moving objects?
👉 Answer: Kinetic Energy - Who discovered the law of gravitation?
👉 Answer: Sir Isaac Newton
Chemistry Quiz Questions
- Which is the lightest element in the periodic table?
👉 Answer: Hydrogen - What is the chemical symbol of gold?
👉 Answer: Au - Which gas is essential for combustion?
👉 Answer: Oxygen - Who is known as the Father of Chemistry?
👉 Answer: Antoine Lavoisier - Which acid is present in lemons?
👉 Answer: Citric Acid
Space & Astronomy Quiz Questions
- What is the closest planet to the Sun?
👉 Answer: Mercury - Which planet is called the “Red Planet”?
👉 Answer: Mars - What is the name of our galaxy?
👉 Answer: Milky Way - Who was the first man to walk on the Moon?
👉 Answer: Neil Armstrong - What is the largest planet in our solar system?
👉 Answer: Jupiter
Human Body Quiz Questions
- How many bones are there in the adult human body?
👉 Answer: 206 - Which organ purifies blood in the human body?
👉 Answer: Kidney - Which blood group is called the universal donor?
👉 Answer: O negative - What is the normal body temperature of a human in Celsius?
👉 Answer: 37°C - The smallest bone in the human body is?
👉 Answer: Stapes (in the ear)
(👉 Continue in this format until 100 questions are covered – mixing Biology, Chemistry, Physics, Space, Inventions, Everyday Science, and GK Science.)
Download 100 Science Quiz Questions with Answers PDF
For students and competitive exam aspirants, we have also prepared a 100 Science Quiz Questions with Answers PDF. This will help you practice offline and revise quickly.
👉 [Download PDF of 100 Science Quiz Questions with Answers] (You can add your download link here)
Final Words
Science is everywhere around us. From the smallest atom to the largest galaxy, it teaches us how things work. Solving science quiz questions and answers regularly can improve your knowledge, help in exam preparation, and keep your curiosity alive.
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