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Medium Free School Quiz Class 10

Class 10 School Quiz

Revise important Class 10 concepts with practice questions across core school subjects and board-oriented preparation.

25 Questions
30 min Duration
40% To pass
1.00 Marks / correct

Instructions

  • This quiz has 25 questions.
  • You have 30 minutes. The quiz submits automatically when time runs out.
  • You need 40% to pass.
  • There is no negative marking.
  • You can mark questions for review and return to them before submitting.
  • Correct answers and explanations are shown after you submit.

Sample Questions & Answers

A preview of 12 questions from this quiz, each with the correct answer and a written explanation. Attempt the full, timed quiz to be scored and earn XP.

  1. Question 1

    The discriminant of ax²+bx+c is:

    • 2b−4ac
    • b²+4ac
    • a²−4bc
    • b²−4ac Correct answer
    Explanation: The discriminant is b²−4ac.
  2. Question 2

    If sin θ = 3/5 for an acute angle, cos θ is:

    • 3/4
    • 5/4
    • 4/5 Correct answer
    • 2/5
    Explanation: Using the 3-4-5 triangle, cos θ = 4/5.
  3. Question 3

    Ohm's law is expressed as:

    • P=VI
    • Q=It
    • F=ma
    • V=IR Correct answer
    Explanation: Ohm's law relates voltage, current and resistance as V=IR.
  4. Question 4

    Which process separates components of crude oil?

    • Fractional distillation Correct answer
    • Chromatography only
    • Sublimation
    • Filtration
    Explanation: Crude oil is separated into fractions by fractional distillation.
  5. Question 5

    Which functional group is present in alcohols?

    • −CO−
    • −CHO
    • −OH Correct answer
    • −COOH
    Explanation: Alcohols contain the hydroxyl (−OH) functional group.
  6. Question 6

    What is the focal length of a lens with power +2 D?

    • 0.5 m Correct answer
    • 4 m
    • 0.25 m
    • 2 m
    Explanation: Power P=1/f in metres, so f=1/2=0.5 m.
  7. Question 7

    Which Indian institution is the apex court?

    • President's Secretariat
    • High Court
    • Supreme Court Correct answer
    • Parliament
    Explanation: The Supreme Court is India's highest court.
  8. Question 8

    What is the probability of drawing an ace from a standard 52-card deck?

    • 4/13
    • 1/52
    • 1/4
    • 1/13 Correct answer
    Explanation: There are 4 aces among 52 cards, so 4/52=1/13.
  9. Question 9

    Which hormone regulates blood glucose by lowering it?

    • Insulin Correct answer
    • Adrenaline
    • Glucagon
    • Thyroxine
    Explanation: Insulin lowers blood glucose by promoting uptake and storage.
  10. Question 10

    What is the SI unit of electric resistance?

    • Volt
    • Ohm Correct answer
    • Ampere
    • Watt
    Explanation: Electrical resistance is measured in ohms.
  11. Question 11

    Which economic activity belongs to the tertiary sector?

    • Manufacturing
    • Banking Correct answer
    • Mining
    • Farming
    Explanation: Banking is a service activity in the tertiary sector.
  12. Question 12

    Which treaty ended the First World War with Germany?

    • Treaty of Versailles Correct answer
    • Treaty of Paris 1947
    • Treaty of Tordesillas
    • Treaty of Vienna
    Explanation: The Treaty of Versailles was signed with Germany in 1919.

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Explore more: All School Quiz quizzes · Class 10

Class 10 Revision Practice

Class 10 is an important academic year, and regular question practice can help students check their preparation. Use quizzes for Mathematics, Science, Social Science, English and Computer topics.

Use Practice Before Exams

Try to answer without looking at notes and review the explanation afterwards. Combine quiz practice with textbooks, previous papers and your school revision plan.

Frequently Asked Questions

This quiz has 25 questions and 30 minutes.

You need at least 40% to pass this quiz.

No, there is no negative marking on this quiz.

Yes. You can attempt this quiz again at any time, though first-attempt XP bonuses apply only once.

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