NEET UG Biology Chapter Wise Weightage 2025: Class 11th and 12th

Check the detailed NEET UG Biology Chapter Wise Weightage 2025 given here. After that, student can make the necessary study preparations accordingly based on the weightage given here for the medical entrance exam.

Arni Sinha

Updated on - Apr 27, 2025 | 10:51:00 AM

NEET UG Biology Chapter Wise Weightage 2025 is mentioned here in detail (Image Credits: pexels.com).

NEET UG Biology Chapter Wise Weightage 2025: With only a few days left for the medical entrance exam, many students must be wondering about the important chapters and their weightage in the NEET UG 2025. Therefore, the detailed NEET UG Biology Chapter Wise Weightage 2025 is shared here for the candidates. Students are advised to go through the detailed information given here and understand the weightage analysis for various chapters on the subject of biology.

One must note that the topics from Biology will be asked from both the Class 11 and Class 12 syllabus. Therefore, it is important to know class-wise topics and their equivalent weightage in the test.

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NEET UG Biology Chapter Wise Weightage 2025

Students can go through the NEET UG Biology Chapter Wise Weightage 2025 in the table below:

Name of the Chapter	Expected Weightage (in percent)
Class 11
Human Physiology	18%
Diversity of Living Organisms	11%
Cell: Structure and Function	8%
Structural Organization in Plants and Animals	7%
Plant Physiology	7%
Class 12
Genetics and Evolution	19%
Reproduction	11%
Biotechnology and its Application	10%
Ecology and Environment	5%
Biology and Human Welfare	4%

In the Class 11 syllabus, Human Physiology stands out as the most crucial chapter for NEET UG Exam 2025. Meanwhile, within the Class 12 curriculum, the chapter on Genetics and Evolution holds the highest weightage, making it an important chapter for those aspirants preparing for the exam. Students are advised to go through the important topics of the chapters mentioned above for the NEET UG Biology 2025 to understand all the concepts well and score better in the entrance exam.

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