Skip to main content

Exam & practice collection

CBSE Class 12 Biology Important Questions PDF Download

Most important exam-oriented questions for Class 12 Biology — chapter-wise PDF sets.

  • 16PDFs
  • 16Chapters
  • FreeDownload

CBSE Class 12 Biology Important Questions Download chapter-wise Class 12 Biology Important Questions covering all 16 NCERT chapters including Biodiversity and Conservation, Biotechnology and its Applications, Biotechnology Principles and Processes, Ecosystem, Environmental Issues and more. Most PDFs are useful for periodic tests, half-yearly exams and board preparation.

  • Instant PDF download — no registration required
  • Resources from schools and educators across India
  • 16 NCERT chapters covered in this collection
  • Updated as new papers are uploaded and approved

Jump to a chapter below for topic-specific Important Questions — ideal for long-tail revision before exams.

Choose a chapter — Biology Important Questions

Pick your NCERT chapter first, then download important questions PDFs for that topic.

Most popular chapters for important questions

Start with these — other students opened them most often.

All Class 12 Biology Important Questions PDFs

16 resources
Important Questions & Answers Environmental Issues Class 12 Biology Biology Environmental Issues 4 downloads Uploaded by PRIYESH Important Questions & Answers Biodiversity and Conservation Class 12 Biology Biodiversity and Conservation 11 downloads Uploaded by Rahul Important Questions & Answers Ecosystem Class 12 Biology Biology Ecosystem 2 downloads Uploaded by Pawan Important Questions and Answers Organisms and Populations Class 12 Biology Organisms and Populations 6 downloads Uploaded by Annu Important Questions & Answers Biotechnology and Its Applications Class 12 Biology Biotechnology and its Applications 5 downloads Uploaded by ANISH KUMAR Important Questions & Answers Biotechnology Principles and Processes Class 12 Biology Biotechnology Principles and Processes 8 downloads Uploaded by Arnav gupta Important Questions & Answers Microbes in Human Welfare Class 12 Biology Microbes in Human Welfare 1 download Uploaded by Rahul Important Questions and Answers Strategies for Enhancement in Food Production Class 12 Biology Strategies for Enhancement in Food Production 3 downloads Uploaded by Akash Dhanotia Important Question & Answers Human Health and Disease Class 12 Biology Human Health and Diseases 4 downloads Uploaded by Chetan Important Questions & Answers Evolution Chapter 7 Class 12 Biology Biology Evolution 5 downloads Uploaded by Mo wasim Important Questions & Answer Class 12 Molecular Basis Inheritance Biology Molecular Basis of Inheritance 6 downloads Uploaded by Ramesh Kothari Important Question Answers Principal of Inheritance and Variation Class 12 Biology Principles of Inheritance and Variation 9 downloads Uploaded by Ankur Goel Reproductive Health Class 12 important questions & Answers Biology Reproductive Health 2 downloads Uploaded by Jitendra Important Questions Class 12 Biology Human Reproduction Biology Human Reproduction 10 downloads Uploaded by Talvindar Important Questions Class 12 Sexual Reproduction in Flowering Plants Biology Sexual Reproduction in Flowering Plants 14 downloads Uploaded by Mr. Sandip Choudhary Reproduction in Organisms Class 12 Important Questions & Answers Biology Reproduction in Organisms 12 downloads Uploaded by Gagandeep

How to use these PDFs for exam prep

  1. Revise NCERT examples first, then practice these Biology questions.
  2. Mix easy and difficult papers across the week rather than cramming one night before the test.
  3. Return to this page before each exam cycle — new PDFs are added regularly.

CBSE Class 12 Biology Important Questions Download chapter-wise Class 12 Biology Important Questions covering all 16 NCERT chapters including Biodiversity and Conservation, Biotechnology and its Applications, Biotechnology Principles and Processes, Ecosystem, Environmental Issues and more. Most PDFs are useful for periodic tests, half-yearly exams and board preparation.

  • Instant PDF download — no registration required
  • Resources from schools and educators across India
  • 16 NCERT chapters covered in this collection
  • Updated as new papers are uploaded and approved

Jump to a chapter below for topic-specific Important Questions — ideal for long-tail revision before exams.

Frequently asked questions

This collection currently lists 16 approved Important Questions resources for CBSE Class 12 Biology, updated as new papers are uploaded.

Yes. Every resource on Ribblu is free to view and download in PDF format for students and teachers.

Popular chapters with Important Questions content include Biodiversity and Conservation, Biotechnology and its Applications, Biotechnology Principles and Processes. Use the chapter links on this page to open topic-specific collections.

Resources are uploaded from schools and educators across India and tagged for Important Questions practice. Check individual PDFs for marking scheme or answer keys where included.

Yes. Teachers may print or share links for classroom tests, revision sessions, and homework assignments.
Quick Search
Class 10 Maths Class 12 Physics Class 9 Science Sample Papers 2025 Class 7 Worksheets Class 8 Maths
Popular Searches
CBSE Class 10 IMO Class 5 Class 12 Chemistry