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Most Important Questions · original practice

Class 12 Most Important Questions

Most Important Questions for Class 12. 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.

Answers opened: 0

Practice set

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Electric Charges and Fields in the chapter Electric Charges and Fields.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Electric field of a dipole
  • C. Electric Charges and Fields is an NCERT chapter taught in CBSE Class 12 Physics
  • D. Quantisation of charge
Answer

D. Quantisation of charge

Explanation

Quantisation of charge. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Electric Charges and Fields in the chapter Electric Charges and Fields.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields
  • C. Field due to infinite sheet/line as in NCERT
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

C. Field due to infinite sheet/line as in NCERT

Explanation

Field due to infinite sheet/line as in NCERT. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Electric Charges and Fields.

  • A. Quantisation of charge
  • B. This idea is not part of the NCERT chapter
  • C. Write three points from Electric Charges and Fields in your own words; that is enough for a short-answer start
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Electric Charges and Fields.

  • A. Coulomb’s law
  • B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields
  • C. The textbook says the opposite of this statement
  • D. Field due to infinite sheet/line as in NCERT
Answer

B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Solutions in the chapter Solutions.

  • A. Ideal vs non-ideal
  • B. Solutions is an NCERT chapter taught in CBSE Class 12 Chemistry
  • C. Molarity, molality, mole fraction
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

C. Molarity, molality, mole fraction

Explanation

Molarity, molality, mole fraction. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Solutions in the chapter Solutions.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. van’t Hoff factor i
  • C. Mix MCQs with short answers so you remember both facts and explanations from Solutions
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

B. van’t Hoff factor i

Explanation

van’t Hoff factor i. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Solutions.

  • A. Write three points from Solutions in your own words; that is enough for a short-answer start
  • B. This idea is not part of the NCERT chapter
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. Molarity, molality, mole fraction
Answer

C. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Solutions.

  • A. The textbook says the opposite of this statement
  • B. van’t Hoff factor i
  • C. Mix MCQs with short answers so you remember both facts and explanations from Solutions
  • D. Raoult’s law
Answer

C. Mix MCQs with short answers so you remember both facts and explanations from Solutions

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Solutions. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Sexual Reproduction in Flowering Plants in the chapter Sexual Reproduction in Flowering Plants.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Microsporogenesis and megasporogenesis
  • C. Endosperm
  • D. Sexual Reproduction in Flowering Plants is an NCERT chapter taught in CBSE Class 12 Biology
Answer

B. Microsporogenesis and megasporogenesis

Explanation

Microsporogenesis and megasporogenesis. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Biology · Chapter: Sexual Reproduction in Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Sexual Reproduction in Flowering Plants in the chapter Sexual Reproduction in Flowering Plants.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. Mix MCQs with short answers so you remember both facts and explanations from Sexual Reproduction in Flowering Plants
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Pollen–pistil interaction
Answer

D. Pollen–pistil interaction

Explanation

Pollen–pistil interaction. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Biology · Chapter: Sexual Reproduction in Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Sexual Reproduction in Flowering Plants.

  • A. This idea is not part of the NCERT chapter
  • B. CBSE often tests a concept by asking a daily-life example from the same chapter
  • C. Microsporogenesis and megasporogenesis
  • D. Write three points from Sexual Reproduction in Flowering Plants in your own words; that is enough for a short-answer start
Answer

B. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Biology · Chapter: Sexual Reproduction in Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Sexual Reproduction in Flowering Plants.

  • A. Mix MCQs with short answers so you remember both facts and explanations from Sexual Reproduction in Flowering Plants
  • B. The textbook says the opposite of this statement
  • C. Pollen–pistil interaction
  • D. Double fertilisation
Answer

A. Mix MCQs with short answers so you remember both facts and explanations from Sexual Reproduction in Flowering Plants

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Sexual Reproduction in Flowering Plants. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Biology · Chapter: Sexual Reproduction in Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to Relations and Functions in the chapter Relations and Functions.

  • A. CBSE often tests a concept by asking a daily-life example from the same chapter
  • B. Relations and Functions is an NCERT chapter taught in CBSE Class 12 Mathematics
  • C. Composite functions
  • D. Equivalence relation
Answer

D. Equivalence relation

Explanation

Equivalence relation. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Mathematics · Chapter: Relations and Functions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Relations and Functions in the chapter Relations and Functions.

  • A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • B. Mix MCQs with short answers so you remember both facts and explanations from Relations and Functions
  • C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
  • D. Binary operations if in your edition
Answer

D. Binary operations if in your edition

Explanation

Binary operations if in your edition. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Mathematics · Chapter: Relations and Functions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter Relations and Functions.

  • A. Equivalence relation
  • B. This idea is not part of the NCERT chapter
  • C. Write three points from Relations and Functions in your own words; that is enough for a short-answer start
  • D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer

D. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Mathematics · Chapter: Relations and Functions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter Relations and Functions.

  • A. Binary operations if in your edition
  • B. The textbook says the opposite of this statement
  • C. One-one, onto
  • D. Mix MCQs with short answers so you remember both facts and explanations from Relations and Functions
Answer

D. Mix MCQs with short answers so you remember both facts and explanations from Relations and Functions

Explanation

Mix MCQs with short answers so you remember both facts and explanations from Relations and Functions. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: Mathematics · Chapter: Relations and Functions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q1MCQ1 markEasyRevision pick

Choose the correct statement related to The Last Lesson in the chapter The Last Lesson.

  • A. The Last Lesson is an NCERT chapter taught in CBSE Class 12 English
  • B. CBSE often tests a concept by asking a daily-life example from the same chapter
  • C. Linguistic chauvinism
  • D. French will be replaced by German in Alsace
Answer

D. French will be replaced by German in Alsace

Explanation

French will be replaced by German in Alsace. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: English · Chapter: The Last Lesson · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q5MCQ1 markModerateRevision pick

Choose the correct statement related to Theme in the chapter The Last Lesson.

  • A. Mix MCQs with short answers so you remember both facts and explanations from The Last Lesson
  • B. Theme: value of one’s language
  • C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
  • D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer

B. Theme: value of one’s language

Explanation

Theme: value of one’s language. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: English · Chapter: The Last Lesson · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q9MCQ1 markEasyRevision pick

Choose the correct statement related to Examples in the chapter The Last Lesson.

  • A. Write three points from The Last Lesson in your own words; that is enough for a short-answer start
  • B. This idea is not part of the NCERT chapter
  • C. CBSE often tests a concept by asking a daily-life example from the same chapter
  • D. French will be replaced by German in Alsace
Answer

C. CBSE often tests a concept by asking a daily-life example from the same chapter

Explanation

CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: English · Chapter: The Last Lesson · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).

Q13MCQ1 markEasyRevision pick

Choose the correct statement related to Practice in the chapter The Last Lesson.

  • A. Theme: value of one’s language
  • B. Mix MCQs with short answers so you remember both facts and explanations from The Last Lesson
  • C. The textbook says the opposite of this statement
  • D. M. Hamel’s last lesson
Answer

B. Mix MCQs with short answers so you remember both facts and explanations from The Last Lesson

Explanation

Mix MCQs with short answers so you remember both facts and explanations from The Last Lesson. The other options mix ideas from nearby topics or reverse the textbook fact.

Meta

Class: Class 12 · Subject: English · Chapter: The Last Lesson · 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-12/, then subject and chapter slugs.

Why is this a separate URL?

So students searching for “Most Important Questions” 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.

Streak

Next step

After this page, use these three links — do not open a random page.

24/7 Test Series

Timed papers with a scorecard — start any time, then return to a related quiz above.