CSIR NET Life Science Important Topics 2025, Weightage Percentage
Amit kumar Singh24 Jul, 2025
Share
CSIR NET Life Science Important Topics 2025 should be kept in mind while preparing in the last few days before the exam date. Candidates must be aware that the CSIR NET Life Science exam 2025 will be held on 28 July 2025. A few days are left for the examination. Learning about CSIR NET Life Science Topics Weightage and other details can help the candidates to secure high marks with slightly lesser efforts. Here, candidates can discover important topics, the official syllabus, and other related cues for smart preparation for the CSIR NET 2025 examination.
CSIR NET 2025 Life Science Overview
CSIR NET Life Science exam 2025 is scheduled to be held on 28 July 2025, as per the official brochure. As the exam day is approaching, little time is left for the candidates who are preparing for CSIR NET 2025. Here, learning about CSIR NET Life Science Important Topics 2025 can provide great help to the students. Also, candidates must be aware that there will be three sections in the examination for CSIR NET 2025 Life Science. The first section will contain questions from quantitative aptitude and reasoning. The 2nd and 3rd sections will have questions specifically from the life science subject. Further information about the CSIR NET Life Science Exam 2025 can be gathered from the following informative table:
| CSIR NET 2025 Life Science Overview | |
|---|---|
| Feature | Details |
| Exam Name | CSIR-UGC NET 2025 Life Science |
| Conducting Body | National Testing Agency (NTA) on behalf of CSIR |
| Exam Date | 28 July 2025 |
| Subject Code | Life Science |
| Exam Level | National-level |
| Types of questions | Multiple Choice Questions |
| Exam Mode | Online CBT |
Note: CSIR NET 2025 applicants are recommended to visit the official portal of NTA to learn details related to the life science exam syllabus, pattern, and other preparatory essentials.
CSIR NET Life Science Important Topics 2025
Learning the following CSIR NET Life Science Important Topics 2025 can surely help candidates score high in the examination. These topics are based on the previous years’ trends in the CSIR NET 2025 exam:
| CSIR NET 2025 Life Science Important Topics | ||
|---|---|---|
| Unit | Unit Title | Important Topics |
| Unit 1 | Molecules and Their Interaction Relevant to Biology | Chemical bonds, pH & buffers, Thermodynamics, Biomolecules (carbohydrates, lipids, proteins, nucleic acids) |
| Unit 2 | Cellular Organization | Cell membrane, Organelles (ER, Golgi, mitochondria, lysosomes), Cytoskeleton, Cell junctions |
| Unit 3 | Fundamental Processes | DNA replication, Transcription, translation, and Gene regulation (prokaryotes & eukaryotes) |
| Unit 4 | Cell Communication and Signalling | Signalling pathways (RTKs, GPCRs), Second messengers (cAMP, Ca²⁺), Apoptosis |
| Unit 5 | Developmental Biology | Gametogenesis, Fertilisation, Morphogen gradients, Hox genes, Organogenesis |
| Unit 6 | System Physiology – Plant | Photosynthesis (C3, C4, CAM), Plant hormones, Transpiration, Nitrogen metabolism |
| Unit 7 | System Physiology – Animal | Blood circulation, Nervous system, Excretion, Thermoregulation, Endocrine glands |
| Unit 8 | Inheritance Biology | Mendelian genetics, Linkage & mapping, Epistasis, Chromosomal disorders |
| Unit 9 | Diversity of Life Forms | Taxonomy & Classification, Viruses, Bacteria, Fungi, Protists, Animal phyla |
| Unit 10 | Ecological Principles | Population ecology, Community interactions, Ecosystems, Biogeochemical cycles |
| Unit 11 | Evolution and Behaviour | Natural selection, Genetic drift, speciation, and Animal behaviour |
| Unit 12 | Applied Biology | Biotechnology, Vaccines, GMOs, Stem cells, Biosensors |
| Unit 13 | Methods in Biology | Microscopy, Electrophoresis, Chromatography, PCR, ELISA, Spectrophotometry |
Note: The above-mentioned unit-wise CSIR NET Life Science Important Topics are inferred from the previous years’ trends of the exam. Candidates can pay special attention to these topics to score more and clear the cutoff mark range.
|
CSIR NET Subject Wise Important Topics |
|
| CSIR NET 2025 Mathematical Science Important Topics | |
CSIR NET Life Science Important Topic Wise Weightage
Candidates who are going to appear in the CSIR NET 2025 Life Science exam should be aware of the latest exam scheme and important topics. The examination will have 3 sections. Section A will cover general aptitude topics. While sections B and C will comprise questions from developmental biology, molecules & interaction, evolution, and other related topics. The following table about CSIR NET Life Science important topic-wise weightage can help candidates for a quick and effective preparation:
| CSIR NET Life Science Important Topic wise Weightage | ||||
|---|---|---|---|---|
| Section | Topic / Unit Name | Part A (%) | Part B (%) | Part C (%) |
| General Aptitude (Part A) | Logical Reasoning | 25% | – | – |
| Geometry | 25% | – | – | |
| Numbers | 10% | – | – | |
| Distance | 10% | – | – | |
| Probability | 10% | – | – | |
| Graphical Numbers | 10% | – | – | |
| Profit & Loss | 5% | – | – | |
| Analytical & Numerical Ability | 5% | – | – | |
| Life Science (Part B & C) | Unit 1: Molecules & Interactions | – | 17% | 8% |
| Unit 5: Developmental Biology | – | 17% | 11% | |
| Unit 4: Cell Communication & Signalling | – | 14% | 14% | |
| Unit 6: System Physiology – Plant | – | 14% | 7% | |
| Unit 11: Evolution and Behaviour | – | 14% | 7% | |
| Unit 13: Methods in Biology | – | 14% | 12% | |
| Unit 2: Cellular Organisation | – | 11% | 7% | |
| Unit 3: Fundamental Processes | – | 11% | 8% | |
| Unit 8: Inheritance Biology | – | 9% | 6% | |
| Unit 12: Applied Biology | – | 9% | 7% | |
| Unit 10: Ecological Principles | – | 6% | 5% | |
| Unit 7: System Physiology – Animal | – | 5% | 5% | |
| Unit 9: Diversity of Life Forms | – | 3% | 3% | |
Note: The above-mentioned data is derived from previous years’ trends in CSIR NET Life Science 2025 exam. Candidates can expect a similar trend to be observed in the upcoming examination on 28 July 2025.
CSIR NET Life Science Exam Last Minute Preparation Tips
Candidates who have applied for the CSIR NET 2025 Life Science subject exam must be aware that the examination will be conducted on July 28, 2025. There are a few days remaining for the examination to be commenced. So, here are some quick tips that candidates can follow to secure high and clear the cut off scores in the CSIR NET Life Science exam 2025:
Focus on the topics weighing more: Candidates should pay attention to the topics with higher weightage. Candidates can check the topic-wise weightage for CSIR NET Life Science to get an idea of the expected distribution of questions.
Focus on the topics studied earlier: In the last few days before the examination, candidates must focus on the topics they have studied earlier, rather than running after the new topics. It will prevent building confusion in the minds of candidates, and their previously stored information will remain intact.
Revise daily and solve mock papers: Candidates are recommended to revise daily whatever they study in the day. Make a consistent routine for studying purposes. Additionally, if available, they can go for solving online mock test papers or previous years’ papers to gain a real examination-like experience.
CSIR NET Life Science Important Topics 2025 FAQs
When will the CSIR NET Life Science exam 2025 be held?
Mention some of the CSIR NET Life Science important topics.
In what mode will the CSIR NET Life Science exam 2025 be conducted?
How many sections will there be in the CSIR NET Life Science exam 2025?
Online Classes for CSIR NET Exams.Learn from PW's Educators through Live Lectures.Live & Recorded Classes are available at ease.Lectures are available in Hinglish (Hindi and English mix).Get access to Study Materials, Notes & Mock Tests.
