CBSE Class 12 Biology

CBSE Class 12 Biology NCERT Solutions

Step-by-step NCERT solutions for every chapter of CBSE Class 12 Biology — 13 chapters, each with a free solutions PDF you can read in your browser. Or browse the textbook chapters.

What these CBSE Class 12 Biology solutions cover

Every chapter of Biologyis solved in full — each in-text and end-of-chapter exercise worked step by step, with a free solutions PDF you can read in your browser. Here's what each chapter's solutions work through:

Chapter 1: Sexual Reproduction in Flowering Plants — Chapter-end Exercises (18 questions solved)
Chapter 2: Human Reproduction — Chapter-end Exercises (21 questions solved)
Chapter 3: Reproductive Health — Chapter-end Exercises (12 questions solved)
Chapter 4: Principles of Inheritance and Variation — Chapter-end Exercises (16 questions solved)
Chapter 5: Molecular Basis of Inheritance — Chapter-end Exercises (14 questions solved)
Chapter 6: Evolution — Chapter-end Exercises (10 questions solved)
Chapter 7: Human Health and Disease — Chapter-end Exercises (17 questions solved)
Chapter 8: Microbes in Human Welfare — Chapter-end Exercises (15 questions solved)
Chapter 9: Biotechnology: Principles and Processes — Chapter-end Exercises (12 questions solved)
Chapter 10: Biotechnology and Its Applications — Chapter-end Exercises (13 questions solved)
Chapter 11: Organisms and Populations — Chapter-end Exercises (10 questions solved)
Chapter 12: Ecosystem — Chapter-end Exercises (11 questions solved)
Chapter 13: Biodiversity and Conservation — Chapter-end Exercises (10 questions solved)

Or browse the CBSE Class 12 Biology textbook chapters and all Class 12 solutions.