📝 Sunday Funday Riddle Quiz – Combined Answer Key
NEP 2020 Aligned | Maths & Science | Grades 1–10
🌱 Foundation Stage (Grades 1–2)
- Q1. Option C– 3 comes after 2 and before 4.
- Q2. Option C– A circle is round like a ball.
- Q3. Option C– The Sun shines bright in the day.
- Q4. Option C– Zero shows nothing.
- Q5. Option C– A triangle has three sides.
- Q6. Option B– Air helps us breathe.
- Q7. Option B– 2 + 2 = 4.
- Q8. Option B– Rain falls when clouds cry.
- Q9. Option C– A square has four equal sides.
- Q10. Option C– A cow gives us milk.
- Q11. Option B– 9 comes before 10.
- Q12. Option B– Wind moves leaves and kites.
- Q13. Option B– 🍎🍎🍎 means three apples.
- Q14. Option C– A circle has no sides or corners.
- Q15. Option B– Snow is cold and falls in winter.
- Q16. Option B– 7 is bigger than the other numbers.
- Q17. Option B– Water helps plants grow.
- Q18. Option C– A week has 7 days.
- Q19. Option B– A pencil helps us write.
- Q20. Option C– A bicycle has wheels to ride.
- Q21. Option D– 7 is an odd number.
- Q22. Option C– The Sun is the biggest object in the day sky.
- Q23. Option C– We have 5 fingers on one hand.
- Q24. Option C– A square has four corners.
- Q25. Option B– A school bag carries books.
📘 Preparatory Stage (Grades 3–5)
- Q1. Option B – 5 + 7 = 12.
- Q2. Option B – A rectangle has opposite sides equal.
- Q3. Option C – Earth is the planet we live on.
- Q4. Option C – 15 − 7 = 8.
- Q5. Option A – Ice changes from solid to liquid when heated.
- Q6. Option B – 10 is the smallest two-digit number.
- Q7. Option B – Lungs help us breathe.
- Q8. Option C – 6 × 4 = 24.
- Q9. Option D – An octopus has no bones.
- Q10. Option B – The Sun is a source of energy for plants.
- Q11. Option B – 12 is an even number between 10 and 15.
- Q12. Option C – A solid has a fixed shape.
- Q13. Option C – Perimeter = 4 + 4 + 4 + 4 = 16 cm.
- Q14. Option B – Camel is called the Ship of the Desert.
- Q15. Option C – Half of 20 is 10.
- Q16. Option C – Gravity pulls objects towards Earth.
- Q17. Option B – The pattern increases by 2.
- Q18. Option C – Leaves make food for plants.
- Q19. Option B – ¾ of 12 is 9.
- Q20. Option A – Humans breathe in oxygen.
- Q21. Option C – A pentagon has 5 sides.
- Q22. Option C – A magnet attracts iron.
- Q23. Option C – 100 − 45 = 55.
- Q24. Option C – Ears help us hear.
- Q25. Option A – 2⁄4 is equal to 1⁄2.
📗 Middle Stage (Grades 6–8)
- Q1. Option A – 15 is divisible by both 3 and 5.
- Q2. Option A – A triangle has three sides and angle sum 180°.
- Q3. Option B – Photosynthesis is how plants make food.
- Q4. Option C – 7² = 49.
- Q5. Option D – Evaporation changes liquid into gas.
- Q6. Option C – 17 is a prime number.
- Q7. Option C – Mars is called the Red Planet.
- Q8. Option C – Sum of angles of a quadrilateral is 360°.
- Q9. Option C – Friction opposes motion.
- Q10. Option C – 25% of 200 is 50.
- Q11. Option C – 0 is a whole number.
- Q12. Option A – Oxygen is released during photosynthesis.
- Q13. Option A – Perimeter = 2 × (6 + 4) = 20 cm.
- Q14. Option C – The brain controls all activities.
- Q15. Option C – 3³ = 27.
- Q16. Option D – Pulley, lever, and inclined plane are simple machines.
- Q17. Option C – A 90° angle is a right angle.
- Q18. Option C – Kidneys filter blood.
- Q19. Option A – 3 × (4 + 2) = 18.
- Q20. Option C – Humans live on Earth’s crust.
- Q21. Option C – HCF of 6 and 12 is 6.
- Q22. Option D – Vitamin D is obtained from sunlight.
- Q23. Option B – Mean of 2, 4, and 6 is 4.
- Q24. Option C – Mercury is liquid at room temperature.
- Q25. Option D – Pattern doubles: next number is 32.
🎯 Secondary Stage (Grades 9–10)
- Q1. Option C – 12 × 12 = 144.
- Q2. Option C – Newton’s Third Law explains action and reaction.
- Q3. Option A – (x + 3)(x − 3) = x² − 9 = 16.
- Q4. Option C – Carbon dioxide is a major greenhouse gas.
- Q5. Option B – Area of a circle = πr².
- Q6. Option B – Exothermic reactions release heat.
- Q7. Option C – A 3-4-5 triangle is right-angled.
- Q8. Option B – Cerebellum controls balance and posture.
- Q9. Option C – √169 = 13.
- Q10. Option C – Silver is the best conductor of electricity.
- Q11. Option B – A linear equation has degree one.
- Q12. Option C – Salt is separated from seawater by evaporation.
- Q13. Option B – 2³ + 3² = 8 + 9 = 17.
- Q14. Option C – Convex mirrors are used as rear-view mirrors.
- Q15. Option C – Newton is the SI unit of force.
- Q16. Option B – A polygon with angle sum 540° has 5 sides.
- Q17. Option C – Oxygen is essential for respiration.
- Q18. Option B – (a + b)² = 25 when a = 2 and b = 3.
- Q19. Option C – Dispersion splits white light into colours.
- Q20. Option C – Vinegar contains acetic acid.
- Q21. Option C – A stationary object has a horizontal distance-time graph.
- Q22. Option C – sin 30° = 1/2.
- Q23. Option B – Xylem conducts water in plants.
- Q24. Option C – Kinetic energy increases with speed.
- Q25. Option A – Ohm’s Law is given by V = IR.
