CBSE – Class 11 Questions
Maths
Q. Set kya hota hai?
A. Well-defined collection of objects ko set kehte hain
Maths
Q. Empty set kya hota hai?
A. Jisme koi element na ho
Maths
Q. Relation kya hota hai?
A. Two sets ke beech ka connection relation kehlata hai
Maths
Q. Function kya hota hai?
A. Har input ka sirf ek output ho
Maths
Q. nPr ka formula kya hai?
A. n! / (n-r)!
Maths
Q. (a + b)ⁿ ka expansion kis theorem se hota hai?
A. Binomial Theorem
Maths
Q. AP ka nth term ka formula kya hai?
A. a + (n − 1)d
Maths
Q. sin²θ + cos²θ ka value kya hota hai?
A. 1
Math
Q. tan θ ka formula kya hai?
A. sin θ / cos θ
Maths
Q. PMI ka use kis liye hota hai?
A. Statements ko natural numbers ke liye prove karne ke liye
Maths
Q. Imaginary unit i ka value kya hai?
A. √-1
Maths
Q. Linear inequality ka example do
A. x + 2 > 5
Maths
Q. nPr ka formula kya hai?
A. n! / (n-r)!
Maths
Q. (a + b)ⁿ ka expansion kis theorem se hota hai?
A. Binomial Theorem
Maths
Q. AP ka nth term ka formula kya hai?
A. a + (n − 1)d
Maths
Q. Slope ka formula kya hai?
A. (y₂ − y₁)/(x₂ − x₁)
Maths
Q. Circle ka standard equation kya hai?
A. x² + y² = r²
Maths
Q. 3D geometry me coordinates kitne hote hain?
A. Teen (x, y, z)
Maths
Q. Limit ka basic concept kya hai?
A. Function ka value kisi point ke paas approach karna
Maths
Q. Mean ka formula kya hai?
A. Σx / n
Maths
Q. Probability ka formula kya hai?
A. Favourable outcomes / Total outcomes
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Maths
Q. What is a quadratic equation? (Class 11)
A. An equation of degree two is called a quadratic equation.
Maths
Q. Solve x² - 4 = 0 (Class 11)
A. The solutions are x = 2 and x = -2.
Maths
Q. State Pythagoras theorem. (Class 11)
A. Square of hypotenuse equals sum of squares of other two sides.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Physics
Q. What is electric current? (Class 11)
A. Electric current is the rate of flow of electric charge.
Physics
Q. Define Ohm’s law. (Class 11)
A. Current through a conductor is proportional to voltage at constant temperature.
Physics
Q. What is reflection of light? (Class 11)
A. Bouncing back of light from a surface is called reflection.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Chemistry
Q. What is molarity? (Class 11)
A. Molarity is the number of moles of solute per litre of solution.
Chemistry
Q. Define acid. (Class 11)
A. An acid is a substance that produces H⁺ ions in aqueous solution.
Chemistry
Q. What is electrolysis? (Class 11)
A. Electrolysis is the process of chemical decomposition using electricity.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.
Biology
Q. What is DNA? (Class 11)
A. DNA is the genetic material that carries hereditary information.
Biology
Q. Define photosynthesis. (Class 11)
A. Photosynthesis is the process by which plants make food.
Biology
Q. What is respiration? (Class 11)
A. Respiration is the process of releasing energy from food.