3 Mark Questions · original practice

Class 12 3 Mark Questions

3 Mark 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

Q413 Mark3 marksModerateRevision pick

Explain Electric Charges and Fields in about three points, with one example.

Answer

Coulomb’s law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q423 Mark3 marksModerate

Explain Electric Charges and Fields in about three points, with one example.

Answer

Electric field of a dipole. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q433 Mark3 marksModerate

Explain Electric Charges and Fields in about three points, with one example.

Answer

Gauss’s law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q443 Mark3 marksDifficult

Explain Electric Charges and Fields in about three points, with one example.

Answer

Field due to infinite sheet/line as in NCERT. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q413 Mark3 marksModerateRevision pick

Explain Solutions in about three points, with one example.

Answer

Raoult’s law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q423 Mark3 marksModerate

Explain Solutions in about three points, with one example.

Answer

Ideal vs non-ideal. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q433 Mark3 marksModerate

Explain Solutions in about three points, with one example.

Answer

ΔTb, ΔTf, osmotic pressure. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q443 Mark3 marksDifficult

Explain Solutions in about three points, with one example.

Answer

van’t Hoff factor i. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q413 Mark3 marksModerateRevision pick

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Answer

Double fertilisation. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q423 Mark3 marksModerate

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Answer

Endosperm. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q433 Mark3 marksModerate

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Answer

Apomixis, polyembryony. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q443 Mark3 marksDifficult

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Answer

Pollen–pistil interaction. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q413 Mark3 marksModerateRevision pick

Explain Relations and Functions in about three points, with one example.

Answer

One-one, onto. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q423 Mark3 marksModerate

Explain Relations and Functions in about three points, with one example.

Answer

Composite functions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q433 Mark3 marksModerate

Explain Relations and Functions in about three points, with one example.

Answer

Invertible function. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q443 Mark3 marksDifficult

Explain Relations and Functions in about three points, with one example.

Answer

Binary operations if in your edition. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q413 Mark3 marksModerateRevision pick

Explain The Last Lesson in about three points, with one example.

Answer

M. Hamel’s last lesson. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q423 Mark3 marksModerate

Explain The Last Lesson in about three points, with one example.

Answer

Linguistic chauvinism. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q433 Mark3 marksModerate

Explain The Last Lesson in about three points, with one example.

Answer

Little Franz’s regret. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

Meta

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

Q443 Mark3 marksDifficult

Explain Theme in about three points, with one example.

Answer

Theme: value of one’s language. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.

Explanation

Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.

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 “3 Mark Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.

Class 12 3 Mark Questions

Practice set

Explain Electric Charges and Fields in about three points, with one example.

Explain Electric Charges and Fields in about three points, with one example.

Explain Electric Charges and Fields in about three points, with one example.

Explain Electric Charges and Fields in about three points, with one example.

Explain Solutions in about three points, with one example.

Explain Solutions in about three points, with one example.

Explain Solutions in about three points, with one example.

Explain Solutions in about three points, with one example.

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Explain Sexual Reproduction in Flowering Plants in about three points, with one example.

Explain Relations and Functions in about three points, with one example.

Explain Relations and Functions in about three points, with one example.

Explain Relations and Functions in about three points, with one example.

Explain Relations and Functions in about three points, with one example.

Explain The Last Lesson in about three points, with one example.

Explain The Last Lesson in about three points, with one example.

Explain The Last Lesson in about three points, with one example.

Explain Theme in about three points, with one example.

FAQs

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