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By Brijesh Sharma
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Updated on 10 Nov 2025, 11:25 IST
STEM Quiz 2025 is an exciting national level competition designed to promote creativity, knowledge, and curiosity among school students in the fields of Science, Technology, Engineering, and Mathematics. The national stem quiz aims to inspire young minds to explore how STEM subjects shape our world and future innovations. Students can participate through the stem quiz registration 2025 portal available online. The stem quiz with answers and sample tests are also provided to help learners practise before the final event.
The stem quiz questions are framed according to the updated stem quiz syllabus which includes basic concepts from physics, chemistry, biology, mathematics, and simple technology topics. Many schools, especially from stem quiz Gujarat region, are already showing great participation.
The stem quiz registration process is simple and open for all eligible students. Participants can attempt mock tests to improve their preparations and gain confidence. The main goal of this stem quiz 2025 is not only to test memory but to motivate logical thinking and problem-solving skills.
| Detail | Information |
| Quiz Name | National STEM Quiz 4.0 (2025) |
| Organizers | GUJCOST/DST, Govt. of Gujarat |
| Eligible Classes | Class 9 to 12 (all boards & states) |
| Registration Mode | Online (No registration fee) |
| Registration Portal | https://stemquiz.gujarat.gov.in/ |
| Registration Dates | Sept 19 – Oct 30, 2025 (Some late entries: till Nov 15, 2025) |
| Exam Schedule | Preliminary Round: Nov 20–25, 2025 Zonal Round: Dec 3–10, 2025 Grand Finale: Dec 19–20, 2025 Post-event: Jan 2026 |
| Format | Virtual/Online MCQ-based quiz |
| Languages Offered | English & Gujarati |
| Prizes | Up to ₹2 Crore (top prizes) Cash prize up to ₹1.5 lakh for winners |
| Registration Fee | None (Free Entry)\ |
| Contact/Updates | Official updates via portal and Facebook |
Here are MCQs questions for “STEM Quiz 2025,” with Answers covering important topics from science, technology, engineering, and mathematics. Each question includes four options and the correct answer for quick reference, following the formats used in leading STEM quiz
Ques: Which planet is known as the "Red Planet"?
a) Venus
b) Mars
c) Jupiter
d) Saturn
Answer: b) Mars
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Ques: What is the powerhouse of the cell?
a) Ribosome
b) Nucleus
c) Mitochondria
d) Chloroplast
Answer: c) Mitochondria
Ques: Who developed the theory of relativity?
a) Isaac Newton
b) Albert Einstein
c) Nikola Tesla
d) Stephen Hawking
Answer: b) Albert Einstein
Ques: What is H2O commonly known as?
a) Oxygen
b) Hydrogen peroxide
c) Water
d) Methane
Answer: c) Water
Ques: Which metal is liquid at room temperature?
a) Iron
b) Mercury
c) Gold
d) Silver
Answer: b) Mercury
Ques: What is the SI unit of force?
a) Joule
b) Watt
c) Newton
d) Pascal
Answer: c) Newton
Ques: Which part of the plant conducts photosynthesis?
a) Stem
b) Root
c) Leaf
d) Flower
Answer: c) Leaf
Ques: In which organ of the human body does digestion begin?
a) Stomach
b) Large intestine
c) Mouth
d) Liver
Answer: c) Mouth
Ques: What is the smallest unit of matter?
a) Atom
b) Molecule
c) Proton
d) Electron
Answer: a) Atom
Ques: Which acid is found in vinegar?
a) Nitric Acid
b) Acetic Acid
c) Hydrochloric Acid
d) Citric Acid
Answer: b) Acetic Acid
Ques: Who invented the telephone?
a) Thomas Edison
b) Alexander Graham Bell
c) Nikola Tesla
d) James Watt
Answer: b) Alexander Graham Bell
Ques: What does DNA stand for?
a) Deoxyribonucleic Acid
b) Dinucleic Acid
c) Dinitrogen Acid
d) Deoxynitric Acid
Answer: a) Deoxyribonucleic Acid
Ques: The boiling point of water on Celsius scale is?
a) 100°C
b) 212°C
c) 0°C
d) 32°C
Answer: a) 100°C
Ques: Which element's chemical symbol is 'O'?
a) Oxygen
b) Gold
c) Osmium
d) Iron
Answer: a) Oxygen
Ques: What is the main function of white blood cells?
a) Carry oxygen
b) Fight infection
c) Clot blood
d) Regulate sugar
Answer: b) Fight infection
Ques: Which is the hardest natural substance on earth?
a) Gold
b) Diamond
c) Silver
d) Graphite
Answer: b) Diamond
Ques: Which organ removes waste from human blood?
a) Heart
b) Liver
c) Kidney
d) Lung
Answer: c) Kidney
Ques: In computers, what does CPU stand for?
a) Central Power Unit
b) Central Processing Unit
c) Control Program Unit
d) Computer Processing Unit
Answer: b) Central Processing Unit
Ques: What type of energy does a stretched rubber band have?
a) Kinetic energy
b) Electrical energy
c) Potential energy
d) Nuclear energy
Answer: c) Potential energy
Ques: The chemical formula of table salt is?
a) NaCl
b) HCl
c) KCl
d) NaCO3
Answer: a) NaCl
Ques: Which force pulls objects towards earth?
a) Magnetic force
b) Gravitational force
c) Frictional force
d) Nuclear force
Answer: b) Gravitational force
Ques: Who is famous for discovering gravity?
a) Isaac Newton
b) Albert Einstein
c) Galileo
d) Charles Darwin
Answer: a) Isaac Newton
Ques: The most abundant gas in the atmosphere is?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: c) Nitrogen
Ques: Which device measures temperature?
a) Barometer
b) Thermometer
c) Hygrometer
d) Altimeter
Answer: b) Thermometer
Ques: What is the capital of India?
a) Mumbai
b) Delhi
c) Kolkata
d) Bengaluru
Answer: b) Delhi
Ques: Energy in food is measured in?
a) Joules
b) Newtons
c) Calories
d) Watts
Answer: c) Calories
Ques: Which organ is responsible for pumping blood in the body?
a) Kidney
b) Liver
c) Heart
d) Brain
Answer: c) Heart
Ques: Light travels fastest in?
a) Air
b) Glass
c) Water
d) Vacuum
Answer: d) Vacuum
Ques: Which scientist first proposed the law of motion?
a) Newton
b) Einstein
c) Galileo
d) Darwin
Answer: a) Newton
Ques: What is the process by which plants make food?
a) Respiration
b) Photosynthesis
c) Transpiration
d) Germination
Answer: b) Photosynthesis
Ques: Which blood group is universal donor?
a) AB+
b) O+
c) O-
d) B+
Answer: c) O-
Ques: What is the chemical formula for carbon dioxide?
a) CO
b) CO2
c) O2
d) C2O
Answer: b) CO2
Ques: Which law explains why we fall forward if bus stops suddenly?
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation
Answer: a) Newton’s First Law
Ques: Which planet is the largest in our solar system?
a) Saturn
b) Jupiter
c) Uranus
d) Neptune
Answer: b) Jupiter
Ques: What gas do plants release during photosynthesis?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Methane
Answer: b) Oxygen
Ques: What device converts solar energy into electrical energy?
a) Wind turbine
b) Solar panel
c) Generator
d) Battery
Answer: b) Solar panel
Ques: Who invented the periodic table?
a) Rutherford
b) Mendeleev
c) Bohr
d) Dalton
Answer: b) Mendeleev
Ques: Which is an example of a non-renewable resource?
a) Sunlight
b) Wind
c) Coal
d) Water
Answer: c) Coal
Ques: What is the symbol for Sodium?
a) Sd
b) So
c) Na
d) Sn
Answer: c) Na
Ques: Which liquid metal is used in thermometers?
a) Mercury
b) Silver
c) Gold
d) Lead
Answer: a) Mercury
Ques: What is used to measure air pressure?
a) Barometer
b) Thermometer
c) Ammeter
d) Lactometer
Answer: a) Barometer
Ques: Who discovered penicillin?
a) Marie Curie
b) Alexander Fleming
c) Louis Pasteur
d) Robert Koch
Answer: b) Alexander Fleming
Ques: Which planet has the most moons?
a) Earth
b) Mars
c) Saturn
d) Venus
Answer: c) Saturn
Ques: Sound cannot travel through?
a) Air
b) Water
c) Vacuum
d) Metal
Answer: c) Vacuum
Ques: What do bees collect and use to make honey?
a) Pollen
b) Water
c) Nectar
d) Dust
Answer: c) Nectar
Ques: A person who studies living things is called?
a) Biologist
b) Physicist
c) Chemist
d) Geologist
Answer: a) Biologist
Ques: What is the process where plants lose water through leaves?
a) Respiration
b) Transpiration
c) Germination
d) Photosynthesis
Answer: b) Transpiration
Ques: Which scientist gave the three laws of planetary motion?
a) Kepler
b) Copernicus
c) Galileo
d) Newton
Answer: a) Kepler
Ques: What is the chemical formula for chalk?
a) CaCO3
b) CaSO4
c) NaCl
d) SiO2
Answer: a) CaCO3
Ques: Which machine is used to split atoms in nuclear reactors?
a) Accelerator
b) Cyclotron
c) Moderator
d) Nuclear reactor
Answer: d) Nuclear reactor
| Section | Topics Covered | Level/Notes |
| Science | Physics basics (motion, force, gravity, sound, light, electricity, magnetism), Chemistry basics (atoms, molecules, periodic table, metals/non‑metals, acids/bases/salts), Biology basics (cell, tissues, life processes, health, environment), General Science and everyday applications | Mostly secondary and higher secondary level questions; current STEM developments may appear |
| Technology | Computer fundamentals, MS Office basics, Internet and networking, HTML/CSS basics, introductory programming (e.g., Python), AI concepts, cyber safety, latest IT developments | Emphasis on recent trends and digital literacy |
| Engineering | Common electrical/electronic devices, basic circuits, industrial processes, materials/metallurgy, simple machines and design thinking | Conceptual, application‑oriented items |
| Mathematics | Number system, algebra (linear equations), geometry, mensuration, coordinate geometry, data handling/probability, logical reasoning | Secondary level; calculation and reasoning focus |
| Current STEM Trends | Recent missions, innovations, Nobel/awards in science, Indian contributions to space, biotech, renewable energy, sustainability | Framed as general‑awareness within STEM |
| Difficulty Range | Secondary and higher‑secondary school standard; suitable for Classes 9–12 | Query bank and mock materials are provided by organizers in some editions |
| Official Notes | “Questions will be based on current trends of STEM… mostly at secondary and higher secondary level.” | Refer to the official portal for updates and category breakdowns |
Notes:
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The STEM Quiz 2025 is a national competition that encourages students to explore Science, Technology, Engineering, and Mathematics through fun quiz questions and activities.
Students can register online for the STEM Quiz 2025 through the official stem quiz registration form available on the event website.
The syllabus includes science fundamentals, simple physics, mathematics, basic engineering ideas, computer knowledge, and current STEM-related facts.
Yes, students can access previous stem quiz questions and stem quiz with answers to prepare effectively for the competition.
Yes, the stem quiz Gujarat region is very active, and students from all over India, including Gujarat, can register and attend the national quiz event.