Revision Notes for Class 10. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
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Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Fundamental Theorem of Arithmetic in the chapter Real Numbers.
A. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
B. Fundamental Theorem of Arithmetic (statement)
C. Every composite number can be expressed as a product of primes, unique except for the order of factors
D. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
Answer
C. Every composite number can be expressed as a product of primes, unique except for the order of factors
Explanation
Every composite number can be expressed as a product of primes, unique except for the order of factors. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to HCF and LCM in the chapter Real Numbers.
A. HCF × LCM = product of two positive integers
B. HCF is the product of smallest powers and LCM the product of greatest powers of common primes
C. For two positive integers, HCF × LCM equals the product of the numbers
D. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Answer
C. For two positive integers, HCF × LCM equals the product of the numbers
Explanation
For two positive integers, HCF × LCM equals the product of the numbers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Terminating decimal in the chapter Real Numbers.
A. Terminating decimals: denominator 2^m 5^n after simplifying
B. Real numbers include all rationals and irrationals and fill the number line
C. √2, √3 and √5 are irrational; they cannot be written as p/q with integers p, q ≠ 0
D. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
Answer
D. A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors
Explanation
A rational p/q in lowest terms has a terminating decimal if q has only 2 and/or 5 as prime factors. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Non-terminating repeating in the chapter Real Numbers.
A. Euclid’s algorithm finds HCF by repeated division: HCF(a,b)=HCF(b,a mod b)
B. Fundamental Theorem of Arithmetic (statement)
C. √2, √3, √5 are irrational
D. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Answer
D. If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal
Explanation
If q has a prime factor other than 2 or 5, p/q has a non-terminating repeating decimal. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Mathematics · Chapter: Real Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Balanced equation in the chapter Chemical Reactions and Equations.
A. An exothermic reaction releases heat to the surroundings
B. A decomposition reaction splits one compound into two or more products, often with heat, light or electricity
C. Mass need not be conserved
D. A balanced chemical equation has the same number of atoms of each element on both sides
Answer
D. A balanced chemical equation has the same number of atoms of each element on both sides
Explanation
A balanced chemical equation has the same number of atoms of each element on both sides. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Combination reaction in the chapter Chemical Reactions and Equations.
A. In a combination reaction two or more substances join to form a single product
B. A more reactive metal can displace a less reactive metal from its salt solution
C. An endothermic reaction absorbs heat from the surroundings
D. Combination, decomposition, displacement, double displacement
Answer
A. In a combination reaction two or more substances join to form a single product
Explanation
In a combination reaction two or more substances join to form a single product. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Decomposition in the chapter Chemical Reactions and Equations.
A. A precipitate is an insoluble solid formed in a double-displacement reaction
B. A decomposition reaction splits one compound into two or more products, often with heat, light or electricity
C. Oxidation and reduction occur together in a redox reaction
D. Redox: oxidation is gain of oxygen or loss of electrons as taught
Answer
B. A decomposition reaction splits one compound into two or more products, often with heat, light or electricity
Explanation
A decomposition reaction splits one compound into two or more products, often with heat, light or electricity. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Displacement in the chapter Chemical Reactions and Equations.
A. A more reactive metal can displace a less reactive metal from its salt solution
B. An exothermic reaction releases heat to the surroundings
C. Exothermic vs endothermic
D. A chemical equation must be balanced for mass
Answer
A. A more reactive metal can displace a less reactive metal from its salt solution
Explanation
A more reactive metal can displace a less reactive metal from its salt solution. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Science · Chapter: Chemical Reactions and Equations · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to The Rise of Nationalism in Europe in the chapter The Rise of Nationalism in Europe.
A. The Rise of Nationalism in Europe is an NCERT chapter taught in CBSE Class 10 Social Science
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. German and Italian unification
D. The French Revolution seeded nationalism
Answer
D. The French Revolution seeded nationalism
Explanation
The French Revolution seeded nationalism. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Social Science · Chapter: The Rise of Nationalism in Europe · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to The Rise of Nationalism in Europe in the chapter The Rise of Nationalism in Europe.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Liberalism in the 19th century
D. Bismarck
Answer
C. Liberalism in the 19th century
Explanation
Liberalism in the 19th century. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Social Science · Chapter: The Rise of Nationalism in Europe · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to The Rise of Nationalism in Europe in the chapter The Rise of Nationalism in Europe.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Nationalism could also exclude minorities
C. German and Italian unification
D. Write three points from The Rise of Nationalism in Europe in your own words; that is enough for a short-answer start
Answer
C. German and Italian unification
Explanation
German and Italian unification. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Social Science · Chapter: The Rise of Nationalism in Europe · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to The Rise of Nationalism in Europe in the chapter The Rise of Nationalism in Europe.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Bismarck
C. The Rise of Nationalism in Europe is an NCERT chapter taught in CBSE Class 10 Social Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Bismarck
Explanation
Bismarck. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: Social Science · Chapter: The Rise of Nationalism in Europe · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to A Letter to God in the chapter A Letter to God.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Post office employees help
C. A Letter to God is an NCERT chapter taught in CBSE Class 10 English
D. Lencho writes to God for money
Answer
D. Lencho writes to God for money
Explanation
Lencho writes to God for money. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: English · Chapter: A Letter to God · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to A Letter to God in the chapter A Letter to God.
A. Hailstorm destroys the crop
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Irony: he calls them a bunch of crooks
Answer
A. Hailstorm destroys the crop
Explanation
Hailstorm destroys the crop. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: English · Chapter: A Letter to God · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to A Letter to God in the chapter A Letter to God.
A. Post office employees help
B. Write three points from A Letter to God in your own words; that is enough for a short-answer start
C. Theme: faith
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
A. Post office employees help
Explanation
Post office employees help. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: English · Chapter: A Letter to God · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Irony in the chapter A Letter to God.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Irony: he calls them a bunch of crooks
C. A Letter to God is an NCERT chapter taught in CBSE Class 10 English
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Irony: he calls them a bunch of crooks
Explanation
Irony: he calls them a bunch of crooks. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 10 · Subject: English · Chapter: A Letter to God · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-10/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Revision Notes” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.