3 Mark Questions · original practice
3 Mark Questions for Class 11 Biology. 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
Binomial nomenclature. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Taxonomic hierarchy. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Museums, herbaria, keys. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
ICBN/ICZN as named in the book. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
The Living World is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: The Living World · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Monera, Protista, Fungi, Plantae, Animalia. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Viruses are acellular. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Lichens. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Criteria of classification. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Biological Classification is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Biological Classification · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Alternation of generations. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Double fertilisation in angiosperms. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Haploid/diploid. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Economic importance examples from the text. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Plant Kingdom is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Plant Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Symmetry, coelom, segmentation. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Porifera to Chordata as in NCERT. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Notochord. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Examples used in the book. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Animal Kingdom is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Animal Kingdom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Venation. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Floral formula and diagram. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Inflorescence. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Families as retained: Fabaceae, Solanaceae, Liliaceae if still in your edition. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Morphology of Flowering Plants is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Morphology of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Dicot vs monocot stem and root. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Secondary growth. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Stomatal apparatus. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
T.S. diagrams. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Anatomy of Flowering Plants is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Anatomy of Flowering Plants · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Connective tissues. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Frog morphology as in remaining text. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Organ and organ system. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Follow your edition — morphology of earthworm/cockroach may be reduced. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Structural Organisation in Animals is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Structural Organisation in Animals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Mitochondria: powerhouse. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Chloroplast. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Ribosomes 70S and 80S. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Nucleus and chromosomes. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Cell: The Unit of Life is an NCERT chapter taught in CBSE Class 11 Biology. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 11 · Subject: Biology · Chapter: Cell: The Unit of Life · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
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.
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
Hub /cbse/, then /cbse/class-11/, then subject and chapter slugs.
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.
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
After this page, use these three links — do not open a random page.
More sets from the same cluster — stay on this topic.
Timed papers with a scorecard — start any time, then return to a related quiz above.
