Daily Practice

Q1. Find the next term: 3, 6, 11, 18, …📘 Ch. 1 — Patterns in Mathematics📕 KV Academy Original

Q2. If one angle of a linear pair is 72°, find the other.📘 Ch. 2 — Lines and Angles📕 KV Academy Original

Q3. Write 84 as a product of prime factors.📘 Ch. 3 — Number Play📕 KV Academy Original

Q4. Find the median of 4, 7, 3, 9, 5.📘 Ch. 4 — Data Handling and Presentation📕 KV Academy Original

Q5. Is 97 prime? Give a reason.📘 Ch. 5 — Prime Time📕 KV Academy Original

Q6. Find the area of a rectangle 15 cm by 8 cm.📘 Ch. 6 — Perimeter and Area📕 KV Academy Original

Q7. Simplify 5/6 − 1/4.📘 Ch. 7 — Fractions📕 KV Academy Original

Q8. A pattern follows n²+1. Find its 6th term.📘 Ch. 1 — Patterns in Mathematics📕 KV Academy Original

Q9. A rectangular field is 20 m by 14 m. Find its perimeter and area.📘 Ch. 2 — Lines and Angles📕 KV Academy Original

Q10. A fraction is 3/5 of a number and equals 24. Find the number.📘 Ch. 3 — Number Play📕 KV Academy Original

Q1. Name the SI unit of temperature.📘 Ch. 7 — Temperature and its Measurement📕 KV Academy Original

Q2. Name the two poles of a magnet.📘 Ch. 4 — Exploring Magnets📕 KV Academy Original

Q3. A car covers 180 m in 20 s. Find its speed.📘 Ch. 5 — Measurement of Length and Motion📕 KV Academy Original

Q4. Give one example of an opaque material.📘 Ch. 6 — Materials Around Us📕 KV Academy Original

Q5. What is a habitat?📘 Ch. 2 — Diversity in the Living World📕 KV Academy Original

Q6. Name one nutrient needed for growth.📘 Ch. 3 — Mindful Eating: A Path to a Healthy Body📕 KV Academy Original

Q7. What is a scientific observation?📘 Ch. 1 — The Wonderful World of Science📕 KV Academy Original

Q8. Why does a metal spoon feel colder than a wooden spoon in the same room?📘 Ch. 7 — Temperature and its Measurement📕 KV Academy Original

Q9. Design a fair test to compare two magnets.📘 Ch. 4 — Exploring Magnets📕 KV Academy Original

Q10. A student walks 120 m in 2 min and 180 m in 3 min. Find the average speed.📘 Ch. 5 — Measurement of Length and Motion📕 KV Academy Original

Q1. Write 6,04,07,019 in words.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q2. Simplify 20−3(4+2).📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q3. Find the next term: 4, 9, 16, 25, …📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q4. Round 8,76,54,321 to the nearest lakh.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q5. If x=−4, find 3x+11.📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q6. Write the rule for 2, 5, 10, 17, 26.📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q7. A population of 2,45,000 increases by 18,500. Find it.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q8. Simplify 4(2x−3)−3(x+5).📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q9. Find the next two terms of 1, 4, 9, 16, 25, … and explain.📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q10. A number multiplied by 5 and reduced by 7 gives 38. Find the number.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q1. What colour does blue litmus turn in acid?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q2. Name the device that opens or closes a circuit.📘 Ch. 3 — Electricity: Circuits and Their Components📕 KV Academy Original

Q3. Name one natural indicator.📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q4. What is the function of a switch?📘 Ch. 3 — Electricity: Circuits and Their Components📕 KV Academy Original

Q5. Why should acids not be tasted?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q6. What happens when a circuit is open?📘 Ch. 3 — Electricity: Circuits and Their Components📕 KV Academy Original

Q7. A solution turns red litmus blue. Is it acidic or basic?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q8. Describe a complete circuit containing a cell, switch and bulb.📘 Ch. 3 — Electricity: Circuits and Their Components📕 KV Academy Original

Q9. Explain neutralisation with one example.📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q10. Why can a break in a series circuit stop all bulbs from glowing?📘 Ch. 3 — Electricity: Circuits and Their Components📕 KV Academy Original

Q1. Find 19².📘 Ch. 1 — A Square and A Cube📕 KV Academy Original

Q2. Simplify 3⁴×3².📘 Ch. 2 — Power Play📕 KV Academy Original

Q3. Is √72 rational or irrational?📘 Ch. 3 — A Story of Numbers📕 KV Academy Original

Q4. Find the fourth angle if the other angles are 75°, 90°, 105°.📘 Ch. 4 — Quadrilaterals📕 KV Academy Original

Q5. Find the remainder when 728 is divided by 9.📘 Ch. 5 — Number Play📕 KV Academy Original

Q6. Expand 5(2x−3).📘 Ch. 6 — We Distribute, Yet Things Multiply📕 KV Academy Original

Q7. Write 0.00056 in scientific notation.📘 Ch. 1 — A Square and A Cube📕 KV Academy Original

Q8. A quadrilateral has angles 82°, 96°, 104° and x. Find x.📘 Ch. 2 — Power Play📕 KV Academy Original

Q9. Use an identity to find 51².📘 Ch. 3 — A Story of Numbers📕 KV Academy Original

Q10. Simplify 4(3x+2)−2(x−5).📘 Ch. 4 — Quadrilaterals📕 KV Academy Original

Q1. Give one example of a compound.📘 Ch. 8 — Nature of Matter: Elements, Compounds, and Mixtures📕 KV Academy Original

Q2. Which state has particles furthest apart?📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q3. Write the pressure formula.📘 Ch. 6 — Pressure, Winds, Storms, and Cyclones📕 KV Academy Original

Q4. Name one heating effect of current.📘 Ch. 4 — Electricity: Magnetic and Heating Effects📕 KV Academy Original

Q5. What is friction?📘 Ch. 5 — Exploring Forces📕 KV Academy Original

Q6. Name an instrument used to observe very small objects.📘 Ch. 2 — The Invisible Living World: Beyond Our Naked Eye📕 KV Academy Original

Q7. Why do Moon phases occur?📘 Ch. 11 — Keeping Time with the Skies📕 KV Academy Original

Q8. Explain why a sharp nail produces greater pressure than a blunt one.📘 Ch. 8 — Nature of Matter: Elements, Compounds, and Mixtures📕 KV Academy Original

Q9. Why can strong winds damage roofs?📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q10. Explain how the apparent motion of the Sun helps us estimate time.📘 Ch. 6 — Pressure, Winds, Storms, and Cyclones📕 KV Academy Original

Q1. Which quadrant contains (−5,3)?📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q2. Find the zero of 6x−18.📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q3. Express 0.875 as a fraction.📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q4. Find the midpoint of (−2,5) and (6,−1).📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q5. For p(x)=4x−7, find p(3).📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q6. Between which integers does √55 lie?📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q7. Find the distance between (−4,2) and (5,2).📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q8. A linear polynomial has zero 4 and value 9 at x=1. Find it.📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q9. Explain why √7 is irrational.📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q10. Find x if the point (x,−2) is 5 units from (1,−2).📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q1. Name the control centre of a cell.📘 Ch. 2 — Cell: The Building Block of Life📕 KV Academy Original

Q2. Name the tissue transporting water in plants.📘 Ch. 3 — Tissues in Action📕 KV Academy Original

Q3. Define uniform motion.📘 Ch. 4 — Describing Motion Around Us📕 KV Academy Original

Q4. Name one method for separating salt from water.📘 Ch. 5 — Exploring Mixtures and their Separation📕 KV Academy Original

Q5. State the SI unit of force.📘 Ch. 6 — How Forces Affect Motion📕 KV Academy Original

Q6. Write the expression for work done when force and displacement are parallel.📘 Ch. 7 — Work, Energy, and Simple Machines📕 KV Academy Original

Q7. A car travels 240 m in 12 s. Find its speed.📘 Ch. 2 — Cell: The Building Block of Life📕 KV Academy Original

Q8. Why does a passenger move forward when a bus stops suddenly?📘 Ch. 3 — Tissues in Action📕 KV Academy Original

Q9. A 30 N force moves an object 5 m in its direction. Find work done.📘 Ch. 4 — Describing Motion Around Us📕 KV Academy Original

Q10. Compare xylem and phloem.📘 Ch. 5 — Exploring Mixtures and their Separation📕 KV Academy Original

Q1. Find HCF(156, 234) using Euclid's algorithm.📘 Ch. 1 — Real Numbers📕 KV Academy Original

Q2. If one zero of 2x²−5x+2 is 2, find the other.📘 Ch. 2 — Polynomials📕 KV Academy Original

Q3. State the condition for infinitely many solutions of a pair of linear equations.📘 Ch. 3 — Pair of Linear Equations in Two Variables📕 KV Academy Original

Q4. Find the discriminant of 2x²−3x+5.📘 Ch. 4 — Quadratic Equations📕 KV Academy Original

Q5. Find the 15th term of 6,10,14,…📘 Ch. 5 — Arithmetic Progressions📕 KV Academy Original

Q6. If DE∥BC and AD:DB=3:2, state the relation AE:EC.📘 Ch. 6 — Triangles📕 KV Academy Original

Q7. Find the distance between (−3,4) and (5,−2).📘 Ch. 7 — Coordinate Geometry📕 KV Academy Original

Q8. If tanθ=5/12, find secθ for acute θ.📘 Ch. 8 — Introduction to Trigonometry📕 KV Academy Original

Q9. A 20 m tower is observed at 45°. Find the horizontal distance.📘 Ch. 9 — Some Applications of Trigonometry📕 KV Academy Original

Q10. Find the volume of a cylinder of radius 7 cm and height 12 cm.📘 Ch. 12 — Surface Areas and Volumes📕 KV Academy Original

Q1. State Ohm's law.📘 Ch. 11 — Electricity📕 KV Academy Original

Q2. What is a displacement reaction?📘 Ch. 1 — Chemical Reactions and Equations📕 KV Academy Original

Q3. What is the pH of a neutral solution?📘 Ch. 2 — Acids, Bases and Salts📕 KV Academy Original

Q4. Name the metal liquid at room temperature.📘 Ch. 3 — Metals and Non-metals📕 KV Academy Original

Q5. Which organ pumps blood?📘 Ch. 5 — Life Processes📕 KV Academy Original

Q6. Name the hormone controlling growth.📘 Ch. 6 — Control and Coordination📕 KV Academy Original

Q7. State the lens power relation with focal length.📘 Ch. 9 — Light – Reflection and Refraction📕 KV Academy Original

Q8. Which part of the eye controls incoming light?📘 Ch. 10 — Human Eye and Colourful World📕 KV Academy Original

Q9. Why are food chains generally short?📘 Ch. 13 — Our Environment📕 KV Academy Original

Q10. Two 4Ω and 8Ω resistors are connected in parallel to 12V. Find equivalent resistance and total current.📘 Ch. 11 — Electricity📕 KV Academy Original

Q1. If A={1,2,3}, B={2,3,4}, find A∩B.📘 Ch. 3 — Set📕 KV Academy Original

Q2. Write domain and range of R={(1,3),(2,5),(4,7)}.📘 Ch. 4 — Relations📕 KV Academy Original

Q3. Find the 12th term of 5,9,13,…📘 Ch. 5 — Sequences and Series📕 KV Academy Original

Q4. Find 5P2.📘 Ch. 6 — Permutations and Combinations📕 KV Academy Original

Q5. If P(A)=0.42, find P(A').📘 Ch. 9 — Probability📕 KV Academy Original

Q6. If U={1,…,8}, A={2,4,6,8}, find A'.📘 Ch. 3 — Set📕 KV Academy Original

Q7. Determine whether equality is a reflexive, symmetric and transitive relation.📘 Ch. 4 — Relations📕 KV Academy Original

Q8. Find the sum of first 10 terms of 2,6,10,…📘 Ch. 5 — Sequences and Series📕 KV Academy Original

Q9. How many 3-letter arrangements can be formed from 5 distinct letters?📘 Ch. 6 — Permutations and Combinations📕 KV Academy Original

Q10. Two dice are thrown. Find the probability of getting a sum of 7.📘 Ch. 9 — Probability📕 KV Academy Original

Q1. Name one fundamental force.📘 Ch. 1 — Physical World📕 KV Academy Original

Q2. What is a physical law?📘 Ch. 1 — Physical World📕 KV Academy Original

Q3. Why are units needed?📘 Ch. 1 — Physical World📕 KV Academy Original

Q4. Give one example of physics in medicine.📘 Ch. 1 — Physical World📕 KV Academy Original

Q5. Differentiate fundamental and derived quantities.📘 Ch. 1 — Physical World📕 KV Academy Original

Q6. Why is mathematics useful in physics?📘 Ch. 1 — Physical World📕 KV Academy Original

Q7. What is the role of experiment in physics?📘 Ch. 1 — Physical World📕 KV Academy Original

Q8. Give one derived quantity involving length and time.📘 Ch. 1 — Physical World📕 KV Academy Original

Q9. Why must a theory agree with observation?📘 Ch. 1 — Physical World📕 KV Academy Original

Q10. Name one contribution of physics to communication technology.📘 Ch. 1 — Physical World📕 KV Academy Original

Q1. Define one mole.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q2. State SI unit of amount of substance.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q3. Find molar mass of CO₂.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q4. How many moles are in 36 g of H₂O?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q5. Define limiting reagent.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q6. What is an empirical formula?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q7. Why must equations be balanced?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q8. Express the number of particles in 0.25 mol using Avogadro's constant.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q9. State the first step in finding an empirical formula from percentage composition.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q10. Differentiate molarity and molality.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q1. Test whether f(x)=3x−2 is one-one on R.📘 Ch. 1 — Relations and Functions📕 KV Academy Original

Q2. Find principal value of cos⁻¹(1/2).📘 Ch. 2 — Inverse Trigonometric Functions📕 KV Academy Original

Q3. State the order of transpose of a 2×3 matrix.📘 Ch. 3 — Matrices📕 KV Academy Original

Q4. Evaluate |5 2; 3 4|.📘 Ch. 4 — Determinants📕 KV Academy Original

Q5. Differentiate x²cos x.📘 Ch. 5 — Continuity and Differentiability📕 KV Academy Original

Q6. Find critical points of x²−4x+1.📘 Ch. 6 — Applications of Derivatives📕 KV Academy Original

Q7. Evaluate ∫ x/(x²+9) dx.📘 Ch. 7 — Integrals📕 KV Academy Original

Q8. Show that f(x)=x³+2x is one-one on R.📘 Ch. 1 — Relations and Functions📕 KV Academy Original

Q9. Find intervals of increase for f(x)=x³−6x²+9x.📘 Ch. 2 — Inverse Trigonometric Functions📕 KV Academy Original

Q10. Evaluate ∫₀² (2x+1)dx.📘 Ch. 3 — Matrices📕 KV Academy Original

Q1. State Coulomb's law.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q2. Define electric potential.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q3. Define electric flux.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q4. State SI unit of capacitance.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q5. Why is electric field inside a conductor zero in electrostatic equilibrium?📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q6. Write energy stored in a capacitor.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q7. What is electric field at the midpoint of two equal like charges?📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q8. A 5 μF capacitor is connected to 20 V. Find charge stored.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q9. State Gauss's law.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q10. Explain how a dielectric affects capacitance.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q1. Define molarity.📘 Ch. 1 — Solutions📕 KV Academy Original

Q2. What is standard electrode potential?📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q3. State one factor affecting gas solubility in a liquid.📘 Ch. 1 — Solutions📕 KV Academy Original

Q4. State SI unit of conductivity.📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q5. Differentiate molarity and molality.📘 Ch. 1 — Solutions📕 KV Academy Original

Q6. State the role of a salt bridge.📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q7. What happens to vapour pressure when a non-volatile solute is added?📘 Ch. 1 — Solutions📕 KV Academy Original

Q8. Why does molar conductivity generally increase on dilution?📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q9. Find molarity of 0.4 mol solute in 2 L solution.📘 Ch. 1 — Solutions📕 KV Academy Original

Q10. State the relation between ΔG° and E°cell.📘 Ch. 2 — Electrochemistry📕 KV Academy Original