Chapter-wise Class 12 Biology Questions and Answers Free PDF Download

 

Chapter-wise Class 12 Biology Questions and Answers Free PDF Download

pk25ng provides NCERT Solutions for Biology, which is a key resource for students who want to navigate the concepts of Biology at the 12th-grade level. These solutions are specially designed to understand the concepts from the NCERT Biology Class 12 book. The aim is to make Biology concepts more accessible for students.

Students can go through these solutions for a better understanding of key concepts and enhance problem-solving skills. The advantage of NCERT Solutions Class 12 Biology is its alignment with the latest NCERT Biology syllabus. This ensures that students are well-prepared for their board exams according to the syllabus, as the solutions closely follow the CBSE class 12th Biology syllabus and exam pattern. You can access the NCERT Biology Class 12 PDF FREE Download from this page. 

NCERT Solutions for Class 12 Biology | Chapter-wise Links

Given below are the chapter-wise links for NCERT Solutions for Class 12 Biology. These solutions are provided by the Biology experts at pk25ng in a detailed manner. You can download FREE PDFs of these chapter-wise solutions to be thoroughly familiar with the concepts.

S.No.	Chapter-wise Links for NCERT Solutions Class 12 Biology
1	Chapter 1 - Sexual Reproduction in Flowering Plants Solutions
2	Chapter 2 - Human Reproduction Solutions
3	Chapter 3 - Reproductive Health Solutions
4	Chapter 4 - Principles of Inheritance and Variation Solutions
5	Chapter 5 - Molecular Basis of Inheritance Solutions
6	Chapter 6 - Evolution Solutions
7	Chapter 7 - Human Health and Disease Solutions
8	Chapter 8 - Microbes in Human Welfare Solutions
9	Chapter 9 - Biotechnology Principles and Processes Solutions
10	Chapter 10 - Biotechnology and Its Applications Solutions
11	Chapter 11 - Organisms and Populations Solutions
12	Chapter 12 - Ecosystem Solutions
13	Chapter 13 - Biodiversity and Conservation Solutions

The Following chapters have been removed from the NCERT Class 12 Biology textbook 2025-26.

• Reproduction in Organisms

• Strategies for Enhancement in Food Production

• Environmental Issues

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Glance on NCERT Solutions for Class 12 Biology | Pk25ng

• NCERT Solutions Class 12 Biology for all the questions and answers from Chapters 1 to 13 are provided.

• Solving the textbook questions Using these solutions can help students analyse their level of preparation and understanding of concepts.

• The link also provides details about the exam pattern, mark weightage, and question paper design for CBSE Class 12 Biology.

• The chapters include topics like sexual reproduction in flowering Plants, human reproduction, reproductive health, principles of inheritance and variation,  and more.

• It also provides resources such as class notes, important questions and answers, exemplar solutions, and other recommended books for further reference.