Science is all around us—from the food we eat to the air we breathe. Understanding basic scientific facts helps us not only do well in exams but also make sense of the world we live in. That’s why science GK questions on everyday science are so important. They help students and curious minds build a strong foundation in subjects like physics, chemistry, biology, and space.
In this article, we will explore science-related GK questions with answers that cover daily life topics. Whether you're preparing for a competitive exam, school quiz, or just love learning new facts, this is your go-to guide. You’ll find useful sets of GK questions with answers, perfect for self-study or classroom use. We’ve made sure the questions are easy to understand and include real-life examples.
If you're a student looking for science GK questions class 8 or even higher levels, these questions will help you test your knowledge. For quick revision or offline practice, don’t forget to check out our everyday science questions answers PDF and science GK questions with answers in English. These downloadable resources make it easy to learn on the go.
We’ve also included materials like the GK on everyday science with answers PDF, GK on everyday science quiz, and everyday science PDF to help you prepare in a smart way. These cover all key areas of science through engaging and fact-based questions.
This guide is designed for everyone—from school students to competitive exam aspirants—looking for trusted and well-organized GK on everyday science with answers. Let’s dive into the fascinating world of science and boost your general knowledge with fun and educational science facts!
120 Science GK Questions with Answers Quiz
Ques: What is the chemical symbol for water?
Answer: H₂O
Ques: Which planet is known as the Red Planet?
Answer: Mars
Ques: What gas do plants absorb from the atmosphere?
Answer: Carbon dioxide
Ques: What is the main gas found in the air we breathe?
Answer: Nitrogen
Ques: What element does 'O' represent on the periodic table?
Answer: Oxygen
Ques: How many planets are in our solar system?
Answer: Eight
Ques: What planet is known as Earth's twin?
Answer: Venus
Ques: What is the nearest star to Earth?
Answer: The Sun
Ques: How many bones are in the human body?
Answer: 206
Ques: What is the freezing point of water in Fahrenheit?
Answer: 32 degrees Fahrenheit
Ques: What part of the cell contains DNA?
Answer: Nucleus
Ques: What gas do we need to breathe to survive?
Answer: Oxygen
Ques: How many teeth does an adult human have?
Answer: 32
Ques: What planet is closest to the Sun?
Answer: Mercury
Ques: What do bees collect from flowers?
Answer: Nectar
Ques: What is the chemical formula for methane?
Answer: CH₄
Ques: What vitamin is produced when a person is exposed to sunlight?
Answer: Vitamin D
Ques: What do plants release into the air during photosynthesis?
Answer: Oxygen
Ques: What is the chemical symbol for sodium?
Answer: Na
Ques: What do you call a baby kangaroo?
Answer: Joey
Ques: What is the process by which plants make their food?
Answer: Photosynthesis
Ques: What planet is known as the Blue Planet?
Answer: Earth
Ques: What does DNA stand for?
Answer: Deoxyribonucleic acid
Ques: What gas do living creatures exhale?
Answer: Carbon dioxide
Ques: What is the chemical symbol for calcium?
Answer: Ca
Ques: What is the boiling point of water in Fahrenheit?
Answer: 212 degrees Fahrenheit
Ques: What is the primary source of energy for life on Earth?
Answer: The Sun
Ques: How many legs does an insect have?
Answer: Six
Ques: What is the primary function of the roots of a plant?
Answer: To absorb water and nutrients
Ques: What planet is famous for its rings?
Answer: Saturn
Ques: What is the primary gas found on Mars?
Answer: Carbon dioxide
Ques: What is the chemical symbol for hydrogen?
Answer: H
Ques: What planet is closest in size to Earth?
Answer: Venus
Ques: What is the primary gas that makes up the Earth's atmosphere?
Answer: Nitrogen
Ques: What is the chemical symbol for helium?
Answer: He
Ques: What planet is known as the Morning Star?
Answer: Venus
Ques: What is the chemical symbol for carbon?
Answer: C
Ques: What is the chemical formula for table salt?
Answer: NaCl
Ques: What is the chemical symbol for potassium?
Answer: K
Ques: What is the chemical symbol for gold?
Answer: Au
Ques: Who developed the theory of general relativity?
Answer: Albert Einstein
Ques: What is the powerhouse of the cell?
Answer: Mitochondria
Ques: Which planet has the most moons?
Answer: Jupiter
Ques: What is the largest planet in our solar system?
Answer: Jupiter
Ques: What is the boiling point of water in Celsius?
Answer: 100 degrees Celsius
Ques: What is the hardest natural substance on Earth?
Answer: Diamond
Ques: What is the chemical symbol for gold?
Answer: Au
Ques: What is the atomic number of carbon?
Answer: 6
Ques: What is the common name for ascorbic acid?
Answer: Vitamin C
Ques: Which organ in the human body is primarily responsible for filtering blood?
Answer: Kidney
Ques: What is the unit of electric current?
Answer: Ampere
Ques: What gas is released during photosynthesis?
Answer: Oxygen
Ques: What type of bond involves sharing of electrons?
Answer: Covalent bond
Ques: Which part of the brain is responsible for memory?
Answer: Hippocampus
Ques: Which is the smallest unit of life?
Answer: Cell
Ques: Which vitamin helps in blood clotting?
Answer: Vitamin K
Ques: What part of the eye controls how much light enters?
Answer: Pupil
Ques: Which planet rotates the fastest?
Answer: Jupiter
Ques: What is the function of white blood cells?
Answer: Fight infections
Ques: Which scientist proposed the three laws of motion?
Answer: Isaac Newton
Ques: What is the outermost layer of the Earth called?
Answer: Crust
Ques: What does pH stand for?
Answer: Potential of Hydrogen
Ques: Which gland is called the master gland?
Answer: Pituitary gland
Ques: Which part of the plant conducts photosynthesis?
Answer: Leaf
Ques: What metal is liquid at room temperature?
Answer: Mercury
Ques: Which is the longest bone in the human body?
Answer: Femur
Ques: What kind of energy is stored in food?
Answer: Chemical energy
Ques: What part of the atom has a positive charge?
Answer: Proton
Ques: What is a group of stars called?
Answer: Constellation
Ques: What organ does the pulmonary artery carry blood to?
Answer: Lungs
Ques: Which vitamin is known as the sunshine vitamin?
Answer: Vitamin D
Ques: What is the main function of red blood cells?
Answer: Carry oxygen
Ques: What’s the chemical symbol for iron?
Answer: Fe
Ques: Which celestial body has its own light?
Answer: Star
Ques: What is the speed of light?
Answer: Approximately 300,000 km/s
Ques: Which hormone controls blood sugar levels?
Answer: Insulin
Ques: What is the instrument used to measure temperature?
Answer: Thermometer
Ques: What is the unit of force?
Answer: Newton
Ques: Which planet is the windiest?
Answer: Neptune
Ques: Which type of energy is produced by the Sun?
Answer: Solar energy
Ques: What is the SI unit of pressure?
Answer: Pascal
Ques: Which element has the atomic number 1?
Answer: Hydrogen
Ques: What is the powerhouse of the cell called?
Answer: Mitochondria
Ques: Which law states that energy cannot be created or destroyed?
Answer: Law of Conservation of Energy
Ques: What is the instrument used to detect earthquakes?
Answer: Seismograph
Ques: Who discovered penicillin?
Answer: Alexander Fleming
Ques: Which element is used in the treatment of cancer?
Answer: Cobalt-60 (radioisotope)
Ques: Which part of the ear helps maintain balance?
Answer: Inner ear (semicircular canals)
Ques: What is the function of ribosomes?
Answer: Protein synthesis
Ques: Which process converts sugar into alcohol?
Answer: Fermentation
Ques: Which gas is used in fire extinguishers?
Answer: Carbon dioxide
Ques: Which part of the nervous system controls reflex actions?
Answer: Spinal cord
Ques: What is the function of the ozone layer?
Answer: Protects Earth from UV radiation
Ques: Which blood group is a universal donor?
Answer: O negative
Ques: What causes tides in the ocean?
Answer: Gravitational pull of the Moon and Sun
Ques: Which metal is used to make airplane bodies?
Answer: Aluminium
Ques: What is the smallest bone in the human body?
Answer: Stapes (in the ear)
Ques: Which instrument is used to measure blood pressure?
Answer: Sphygmomanometer
Ques: Which gas is used in balloons to make them float?
Answer: Helium
Ques: What is the center of an atom called?
Answer: Nucleus
Ques: Which cell organelle is involved in digestion?
Answer: Lysosome
Ques: What is the primary pigment in plants?
Answer: Chlorophyll
Ques: Who is known as the father of modern physics?
Answer: Galileo Galilei
Ques: What is the process of cell division in body cells called?
Answer: Mitosis
Ques: Which metal is found in blood?
Answer: Iron
Ques: What is the study of heredity called?
Answer: Genetics
Ques: What is the measure of energy in food?
Answer: Calorie
Ques: Which planet has the shortest day?
Answer: Jupiter
Ques: Which organ is affected by hepatitis?
Answer: Liver
Ques: What is the main component of natural gas?
Answer: Methane
Ques: Which scientist gave the theory of evolution?
Answer: Charles Darwin
Ques: Which gas is used in refrigerators?
Answer: Freon (CFCs, although now phased out)
Ques: Which organ produces insulin?
Answer: Pancreas
Ques: Which disease is caused by vitamin C deficiency?
Answer: Scurvy
Ques: Which part of the brain controls voluntary actions?
Answer: Cerebrum
Ques: Which mineral is necessary for healthy teeth and bones?
Answer: Calcium
Ques: What is the branch of biology that deals with plants?
Answer: Botany
Ques: Which component of the cell helps in photosynthesis?
Answer: Chloroplast
Ques: What type of lens is used in magnifying glasses?
Answer: Convex lens
Ques: What is the name of our galaxy?
Answer: Milky Way
MCQs on Everyday Science GK Questions with Answers
Ques: What is the chemical symbol for water?
A) CO₂
B) H₂O
C) NaCl
D) CH₄
Answer: B) H₂O
Ques: Which planet is known as the Red Planet?
A) Earth
B) Jupiter
C) Mars
D) Venus
Answer: C) Mars
Ques: Which gas is most abundant in Earth's atmosphere?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Hydrogen
Answer: C) Nitrogen
Ques: What is the chemical formula of common salt?
A) H₂O
B) NaCl
C) CO₂
D) HCl
Answer: B) NaCl
Ques: Which vitamin is synthesized when skin is exposed to sunlight?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin K
Answer: C) Vitamin D
Ques: Which organ purifies the blood in the human body?
A) Heart
B) Liver
C) Kidney
D) Lung
Answer: C) Kidney
Ques: Which planet has the most number of moons?
A) Earth
B) Mars
C) Jupiter
D) Saturn
Answer: C) Jupiter
Ques: Which organelle is called the powerhouse of the cell?
A) Nucleus
B) Ribosome
C) Mitochondria
D) Lysosome
Answer: C) Mitochondria
Ques: What is the main function of red blood cells?
A) Fight infection
B) Produce energy
C) Carry oxygen
D) Control temperature
Answer: C) Carry oxygen
Ques: What gas is used in fire extinguishers?
A) Oxygen
B) Helium
C) Nitrogen
D) Carbon dioxide
Answer: D) Carbon dioxide
Ques: Which metal is liquid at room temperature?
A) Lead
B) Mercury
C) Zinc
D) Copper
Answer: B) Mercury
Ques: Which part of the plant performs photosynthesis?
A) Root
B) Stem
C) Leaf
D) Flower
Answer: C) Leaf
Ques: Which vitamin helps in blood clotting?
A) Vitamin B
B) Vitamin C
C) Vitamin K
D) Vitamin E
Answer: C) Vitamin K
Ques: What is the chemical symbol for iron?
A) I
B) Fe
C) Ir
D) In
Answer: B) Fe
Ques: What causes tides in the oceans?
A) Wind movement
B) Earthquake
C) Rotation of Earth
D) Gravitational pull of the Moon
Answer: D) Gravitational pull of the Moon
Ques: Which blood group is a universal donor?
A) AB+
B) O+
C) A-
D) O-
Answer: D) O-
Ques: What is the unit of electric current?
A) Volt
B) Watt
C) Ampere
D) Ohm
Answer: C) Ampere
Ques: Which gas do plants absorb for photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
Ques: What is the main source of energy for Earth?
A) Wind
B) Water
C) Moon
D) Sun
Answer: D) Sun
Ques: Which celestial object is known as the Earth's natural satellite?
A) Mars
B) Sun
C) Moon
D) Jupiter
Answer: C) Moon
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Frequently Asked Questions
Science GK questions on everyday science are general knowledge questions that focus on scientific concepts we encounter in daily life—such as boiling water, gravity, electricity, or why we sneeze. These questions aim to help learners understand the practical side of science in a fun and simple way.
Yes! Many study materials are designed specifically for science GK questions class 8, focusing on topics like basic physics, chemistry, and biology. These questions are structured to match the school curriculum and improve concept clarity in a simple and engaging format.
Topics typically include physics, chemistry, biology, and space. For example, you might find questions about how gravity works, what causes rusting, how plants make food, or facts about planets and stars. These questions help learners connect textbook knowledge to real-world situations.
You can easily download everyday science questions answers PDF from educational websites, online learning platforms, or school study portals. These PDFs are great for offline study and quick revision, especially for students preparing for competitive exams or school quizzes.
Absolutely! Science-related GK questions with answer are often asked in competitive exams like SSC, Railways, UPSC, and state-level quizzes. Practicing science GK questions with answers in English regularly helps boost your score and confidence in general awareness sections.