Preparing for the CSIR NET Life Sciences examination requires more than just reading textbooks—it demands a strategic approach focused on mastering high-yield topics that consistently appear in the exam. Every year, thousands of aspirants compete for limited seats, making it crucial to identify and prioritize the subjects that carry maximum weightage. This comprehensive guide will walk you through the CSIR NET life sciences high-weightage topics that can significantly boost your chances of success.
Understanding the CSIR NET Life Sciences Exam Pattern
Before diving into specific topics, understanding the exam structure is essential. The CSIR NET Life Sciences exam is divided into three parts:
Part A (General Aptitude): This section tests your logical reasoning, graphical analysis, and basic mathematical ability. While it carries 20 marks, it’s crucial for qualifying the exam.
Part B (Subject-Related): This section contains 40 questions worth 50 marks and tests your fundamental knowledge across all units of Life Sciences. Approximately 25 questions need to be attempted.
Part C (Advanced Topics): The most challenging section with 75 marks, containing questions that test your deep understanding and analytical skills. This section separates qualifiers from rankers.
The entire syllabus is distributed across ten units, but not all units carry equal weightage. Understanding which topics historically appear most frequently can help you allocate your preparation time more effectively.
Unit-Wise Breakdown of CSIR NET Life Sciences High Weightage Topics
Unit 1: Molecules and Their Interaction Relevant to Biology
This foundational unit covers approximately 10-12% of the total questions. The structure and function of biomolecules form the backbone of life sciences understanding.
Protein Structure and Function: Protein folding, denaturation, and the relationship between structure and function appear regularly. Understanding the four levels of protein structure—primary, secondary, tertiary, and quaternary—is non-negotiable. Questions often focus on how mutations affect protein stability and function. The concept of protein domains, motifs, and their biological significance frequently appears in both Part B and Part C.
Enzyme Kinetics and Regulation: Michaelis-Menten kinetics, Lineweaver-Burk plots, and enzyme inhibition mechanisms are perennial favorites. Students must be comfortable calculating Km and Vmax values and understanding competitive, non-competitive, and uncompetitive inhibition. Allosteric regulation and feedback inhibition also appear regularly, especially in scenario-based questions.
Nucleic Acid Structure: DNA and RNA structure, including different forms of DNA (A, B, Z forms), are frequently tested. The concepts of supercoiling, chromatin structure, and histone modifications have gained importance in recent years. Understanding the chemical differences between DNA and RNA and their functional implications is crucial.
Thermodynamics in Biological Systems: Free energy changes, entropy, and enthalpy in biological reactions appear in at least 2-3 questions every year. The concept of coupled reactions and how ATP drives unfavorable reactions forward is particularly important.
Unit 2: Cellular Organization
This unit typically contributes 12-15% of questions and covers the structural and functional aspects of cells.
Membrane Structure and Transport: The fluid mosaic model, membrane lipid composition, and various transport mechanisms are heavily weighted. Active transport, passive transport, facilitated diffusion, and ion channels form the core of multiple questions each year. Understanding the sodium-potassium pump, glucose transporters, and aquaporins is essential.
Cell Signaling Pathways: This is one of the highest-yielding topics within Unit 2. G-protein coupled receptors, receptor tyrosine kinases, and second messengers like cAMP, cGMP, IP3, and calcium are extensively tested. The MAPK pathway, JAK-STAT pathway, and their roles in cell proliferation and differentiation appear consistently. Being able to trace a signal from receptor binding to cellular response is crucial.
Cell Cycle and Its Regulation: The phases of the cell cycle, checkpoints, and the role of cyclins and cyclin-dependent kinases (CDKs) are favorite topics. Understanding how p53, Rb protein, and other tumor suppressors regulate the cell cycle is important for both fundamental and applied questions. The concepts of apoptosis, necrosis, and autophagy frequently appear in recent exams.
Cytoskeleton: Microfilaments, microtubules, and intermediate filaments, along with their associated motor proteins (myosin, kinesin, dynein), appear regularly. Questions on cell motility, cell division, and intracellular transport often test cytoskeleton knowledge.
Unit 3: Fundamental Processes
This unit commands approximately 15-18% of the exam and covers molecular biology’s central dogma.
DNA Replication: This is arguably one of the most important topics in the entire syllabus. Understanding the replication fork, leading and lagging strand synthesis, Okazaki fragments, and the roles of DNA polymerase, helicase, primase, and ligase is fundamental. Prokaryotic versus eukaryotic replication differences, telomere replication, and DNA repair mechanisms appear in every exam. The SOS response, mismatch repair, base excision repair, and nucleotide excision repair are high-yield subtopics.
Transcription: RNA polymerase types, promoter recognition, transcription factors, and the concept of transcription initiation, elongation, and termination are extensively covered. Eukaryotic transcription regulation, enhancers, silencers, and the mediator complex appear frequently. RNA processing, including capping, polyadenylation, and splicing (both alternative and constitutive), consistently generates multiple questions.
Translation: The ribosome structure and function, tRNA charging, the genetic code, and the process of translation (initiation, elongation, termination) are core topics. Understanding wobble base pairing, post-translational modifications, and protein targeting (signal sequences, ER targeting, nuclear localization signals) is essential. Questions on antibiotics that target translation machinery also appear regularly.
Gene Regulation: Operons (lac, trp, ara) in prokaryotes and eukaryotic gene regulation through chromatin remodeling, DNA methylation, and histone modifications form a significant portion of questions. Epigenetics has become increasingly important in recent years, with questions on histone acetylation, methylation, and their effects on gene expression.
Unit 4: Cell Communication and Cell Signaling
Often integrated with Unit 2, this section focuses on how cells communicate and respond to their environment, contributing about 8-10% of questions.
Hormones and Their Mechanisms: Understanding steroid hormones, peptide hormones, and their signaling mechanisms is crucial. The distinction between hormones that act through cell surface receptors versus those that enter cells directly appears frequently. Insulin signaling, growth hormone pathways, and thyroid hormone mechanisms are particularly important.
Neurotransmission: The synapse structure, neurotransmitter types (acetylcholine, dopamine, serotonin, GABA, glutamate), and their receptors are tested regularly. Understanding excitatory versus inhibitory neurotransmission and the concept of synaptic plasticity appears in advanced questions.
Unit 5: Developmental Biology
This unit contributes approximately 8-10% of questions and has seen increasing importance in recent exams.
Early Development: Fertilization, cleavage patterns, blastulation, gastrulation, and organogenesis form the foundation. Understanding fate maps, cell determination versus differentiation, and the concept of developmental commitment is essential.
Morphogenesis and Pattern Formation: Gradient models, positional information, and the role of morphogens are high-yield topics. The concepts of induction, competence, and determination appear regularly. Hox genes and their role in anterior-posterior axis formation are particularly important.
Stem Cells: Embryonic versus adult stem cells, induced pluripotent stem cells (iPSCs), and the concept of potency (totipotent, pluripotent, multipotent, unipotent) have become increasingly relevant. Questions on stem cell niches and their regulation appear in recent exams.
Unit 6: System Physiology – Plant
Plant physiology typically accounts for 10-12% of questions and requires focused preparation.
Photosynthesis: Light reactions, dark reactions (Calvin cycle), photorespiration, C3, C4, and CAM pathways are extensively tested. Understanding the structure and function of photosystems I and II, electron transport in chloroplasts, and factors affecting photosynthesis is crucial. Questions often involve calculating quantum yield or comparing different photosynthetic pathways.
Plant Hormones: Auxins, gibberellins, cytokinins, abscisic acid, and ethylene—their biosynthesis, transport, and physiological effects—appear regularly. Understanding hormonal interactions and their roles in tropisms, seed germination, and fruit ripening is important.
Water Relations: Water potential, osmosis, transpiration, and stomatal regulation are fundamental topics. The cohesion-tension theory and pressure flow hypothesis for phloem transport consistently appear in exams.
Nitrogen Metabolism: Nitrogen fixation, nitrate assimilation, and amino acid synthesis pathways are tested regularly. The role of nitrogenase and factors affecting nitrogen fixation are important subtopics.
Unit 7: System Physiology – Animal
Animal physiology commands 12-15% of questions and covers multiple organ systems.
Nervous System: Neuron structure, action potential generation and propagation, synaptic transmission, and the organization of the nervous system are heavily weighted. Understanding the ionic basis of resting and action potentials, the role of voltage-gated channels, and neurotransmitter systems is essential. Questions on sensory systems (vision, hearing) and their transduction mechanisms appear frequently.
Circulatory System: Heart structure and function, cardiac cycle, ECG interpretation, blood pressure regulation, and the components of blood are important topics. Understanding hemoglobin structure and oxygen-binding curves (including the Bohr effect and cooperative binding) appears regularly.
Respiratory System: Gas exchange mechanisms, oxygen and carbon dioxide transport, and respiratory regulation are tested consistently. Understanding the factors affecting hemoglobin saturation and the role of pH in oxygen delivery is crucial.
Excretory System: Nephron structure and function, urine formation, and osmoregulation appear in most exams. The concept of countercurrent multiplication and the hormonal regulation of kidney function (ADH, aldosterone) are particularly important.
Endocrine System: The hypothalamus-pituitary axis, thyroid hormones, adrenal hormones, and pancreatic hormones are extensively covered. Understanding feedback mechanisms and hormonal disorders generates multiple questions.
Unit 8: Diversity of Life Forms
This unit contributes 8-10% of questions and covers the classification and characteristics of different life forms.
Classification Systems: Understanding phylogenetic classification, cladistics, and molecular phylogeny is increasingly important. The five-kingdom and three-domain systems, along with recent reclassifications based on molecular data, appear regularly.
Microbial Diversity: Bacteria, archaea, fungi, protists, and viruses—their characteristics, life cycles, and ecological roles—are tested frequently. Understanding bacterial structure, gram staining, and the basis of antibiotic action is important.
Animal Diversity: Comparative anatomy and physiology across phyla appear in questions testing evolutionary relationships. Understanding key innovations in animal evolution (segmentation, coelom, symmetry types) is crucial.
Unit 9: Ecological Principles
Ecology accounts for approximately 10-12% of questions and has seen increasing weightage in recent years.
Population Ecology: Population growth models (exponential and logistic), carrying capacity, r and K selection, and metapopulation dynamics are heavily tested. Understanding survival curves, life tables, and demographic parameters is essential.
Community Ecology: Species interactions (competition, predation, parasitism, mutualism), ecological succession, and biodiversity indices appear regularly. The concepts of keystone species, ecological niches, and competitive exclusion are important.
Ecosystem Ecology: Energy flow, food chains and food webs, ecological pyramids, and biogeochemical cycles (carbon, nitrogen, phosphorus) are consistently tested. Understanding primary productivity, trophic efficiency, and nutrient cycling is crucial.
Conservation Biology: Biodiversity hotspots, endangered species management, and conservation strategies have become increasingly relevant. Questions on climate change impacts and conservation genetics also appear.
Unit 10: Evolution and Behavior
This unit typically contributes 8-10% of questions and integrates multiple concepts.
Mechanisms of Evolution: Natural selection, genetic drift, gene flow, and mutation as evolutionary forces are extensively tested. Understanding Hardy-Weinberg equilibrium and conditions that violate it is fundamental. Concepts like founder effect, bottleneck effect, and adaptive radiation appear regularly.
Speciation: Allopatric, sympatric, and parapatric speciation mechanisms are important topics. Understanding reproductive isolation (prezygotic and postzygotic barriers) and the biological species concept versus other species concepts is crucial.
Molecular Evolution: Neutral theory, molecular clocks, and phylogenetic tree construction based on molecular data have gained importance. Understanding different types of selection (purifying, positive, balancing) at the molecular level is essential.
Animal Behavior: Innate versus learned behavior, imprinting, classical and operant conditioning, and social behavior are tested regularly. Understanding altruism, kin selection, and the evolution of cooperation generates interesting questions.
Strategic Preparation Tips for CSIR NET Life Sciences High Weightage Topics
Prioritize Based on Weightage and Difficulty
Not all high-weightage topics are equally difficult. Start with topics that offer maximum returns for your effort. For instance, DNA replication and transcription are both high-weightage and relatively straightforward to master with proper conceptual clarity. Cell signaling and immunology, while important, require more time to understand deeply.
Create Interconnected Concept Maps
The CSIR NET life sciences high weightage topics are rarely tested in isolation. Questions often integrate concepts from multiple units. Creating concept maps that show connections between topics helps in answering analytical questions. For example, understanding how cell cycle regulation connects to cancer biology, how gene regulation relates to development, or how enzyme regulation ties into metabolic pathways provides a holistic understanding.
Focus on Mechanisms, Not Just Facts
Modern CSIR NET questions increasingly test mechanistic understanding rather than factual recall. Instead of just memorizing that p53 is a tumor suppressor, understand how it functions at checkpoints, how mutations lead to cancer, and how it regulates downstream genes. This deeper understanding helps in tackling novel question formats.
Practice Numerical Problems
Topics like enzyme kinetics, population genetics, Hardy-Weinberg problems, and ecological calculations require regular practice. These questions are often perceived as difficult but are scoring opportunities if you’re well-practiced. Understanding unit conversions and being comfortable with logarithmic calculations is beneficial.
Utilize Quality Resources Effectively
While self-study is important, guidance from experienced educators can accelerate your preparation significantly. CHANDU BIOLOGY CLASSES has been helping CSIR NET aspirants focus on high-weightage topics through structured coaching programs. Their systematic approach to covering the CSIR NET life sciences high weightage topics ensures that students don’t waste time on low-yield areas while building strong foundations in critical subjects.
Expert coaching helps in understanding complex topics like immunology, molecular techniques, and biostatistics that many students find challenging. Additionally, exposure to previous year question patterns and mock tests designed around high-weightage areas provides invaluable exam-ready preparation.
Previous Year Question Analysis
Analyzing previous year questions reveals patterns in how topics are tested. For instance:
- Molecular Biology questions often focus on experimental techniques and interpretation of results rather than just theoretical knowledge
- Cell Biology questions frequently present scenarios requiring application of signaling pathway knowledge
- Ecology questions increasingly include data interpretation and graphical analysis
- Developmental Biology questions test understanding of experimental approaches used to study development
Spending time understanding these patterns helps you prepare more effectively. Create a spreadsheet tracking which topics appeared in which years and how frequently. This data-driven approach to preparation is what separates successful candidates from others.
Master Experimental Techniques
Questions on experimental techniques and their applications have increased significantly in recent exams. Understanding PCR, gel electrophoresis, western blotting, ELISA, flow cytometry, microscopy techniques, chromatography, and spectroscopy is essential. Know not just what these techniques are, but when and why they’re used, their limitations, and how to interpret results.
Don’t Neglect Emerging Topics
While focusing on traditional high-weightage topics, don’t completely ignore emerging areas like:
- CRISPR-Cas9 and genome editing technologies
- Next-generation sequencing and bioinformatics
- Systems biology approaches
- Synthetic biology concepts
- Single-cell analysis techniques
- Microbiome research
These topics are appearing with increasing frequency and often catch unprepared students off-guard.
Month-Wise Preparation Strategy
Months 6-4 Before Exam: Foundation Building
Focus on understanding fundamental concepts in all high-weightage units. Complete at least one thorough reading of all major topics. Create comprehensive notes with diagrams. This phase is about building a strong conceptual foundation without worrying too much about speed or exam patterns.
Months 4-2 Before Exam: Intensive Practice
Begin solving previous year questions topic-wise. Identify weak areas and revisit those topics. Start attempting mock tests for Part A and Part B separately. Work on improving speed and accuracy. Join test series or coaching programs like those offered by CHANDU BIOLOGY CLASSES to get regular feedback on your preparation level.
Months 2-0 Before Exam: Revision and Test Practice
This final phase should focus on revision and full-length mock tests. Revise high-weightage topics multiple times. Practice time management by attempting full-length tests under exam conditions. Analyze your mistakes and work on eliminating them. Focus on Part C questions which test deeper understanding.
Common Mistakes to Avoid
Trying to Cover Everything Equally
The CSIR NET syllabus is vast, and attempting to give equal time to all topics is counterproductive. Focus more time on CSIR NET life sciences high weightage topics while maintaining basic familiarity with lower-weightage areas.
Neglecting Part A
Many life science students neglect Part A preparation, thinking it’s easy. However, since qualifying Part A is mandatory, ignoring it can be fatal. Dedicate at least 15-20% of your preparation time to Part A topics.
Rote Learning Without Understanding
Simply memorizing facts without understanding underlying principles makes it difficult to handle application-based questions. Always ask “why” and “how” when studying a topic.
Irregular Revision
Biology requires regular revision due to the sheer volume of information. Create a revision schedule that ensures you revisit important topics at regular intervals. The spacing effect—revising material at increasing intervals—significantly improves long-term retention.
Ignoring Current Developments
CSIR NET increasingly includes questions on recent developments in life sciences. Stay updated with major scientific breakthroughs, especially those related to your subject area. Reading review articles and following scientific news helps.
The Role of Quality Coaching in CSIR NET Preparation
While self-study forms the backbone of CSIR NET preparation, quality coaching can provide direction, motivation, and strategic insights that significantly enhance your chances of success. CHANDU BIOLOGY CLASSES specializes in CSIR NET coaching with a focused approach on high-weightage topics, ensuring students maximize their preparation efficiency.
Experienced faculty at coaching centers bring years of question-pattern analysis, helping students understand not just what to study, but how topics are likely to be tested. They provide structured study plans that balance coverage with depth, ensuring students don’t miss critical topics while also not getting lost in low-yield details.
Regular mock tests, doubt-clearing sessions, and peer learning environments at coaching institutes create an exam-oriented atmosphere that’s difficult to replicate in self-study. The feedback loop—attempting tests, getting evaluated, understanding mistakes, and improving—accelerates learning significantly.
Moreover, coaching centers often provide curated study material that condenses vast syllabi into manageable content focused on high-yield areas. This saves considerable time that students would otherwise spend filtering through multiple textbooks and resources.
For working professionals or those unable to attend regular classes, many coaching centers including CHANDU BIOLOGY CLASSES offer flexible online and offline options, ensuring quality preparation is accessible to all.
Advanced Topics That Are Gaining Importance
Recent CSIR NET exams show increasing emphasis on certain advanced topics that weren’t traditionally high-weightage:
Immunology: The immune system components, antigen-antibody reactions, immune response mechanisms, and immunological techniques are appearing more frequently. Understanding innate versus adaptive immunity, T-cell and B-cell activation, and immunological memory is becoming essential.
Bioinformatics: Sequence alignment, phylogenetic analysis, database searching, and basic understanding of genomics and proteomics tools are tested increasingly. While detailed computational knowledge isn’t expected, understanding how bioinformatics tools aid biological research is important.
Cancer Biology: Oncogenes, tumor suppressors, cancer hallmarks, and therapeutic approaches are appearing regularly. This topic integrates concepts from cell cycle, apoptosis, cell signaling, and genetics.
Biotechnology Applications: Questions on recombinant DNA technology applications, production of biologics, gene therapy, and agricultural biotechnology are becoming common.
Final Thoughts on Mastering CSIR NET Life Sciences High Weightage Topics
Success in CSIR NET Life Sciences requires a strategic approach that balances comprehensive understanding with focused preparation on high-yield topics. The CSIR NET life sciences high weightage topics discussed in this guide should form the core of your preparation strategy, but remember that exam success also depends on regular practice, effective time management, and maintaining composure during the actual exam.
Understanding that the CSIR NET tests not just knowledge but also analytical thinking, application skills, and problem-solving abilities helps you prepare more effectively. Questions increasingly test your ability to integrate concepts, interpret experimental data, and apply theoretical knowledge to practical scenarios.
Quality resources, whether they’re standard textbooks, online materials, or coaching from institutes like CHANDU BIOLOGY CLASSES, should complement your self-study efforts. The key is consistency—regular study, regular revision, regular testing, and continuous improvement.
Remember that thousands of students appear for CSIR NET, but only a fraction qualify. What separates successful candidates is not just hard work but smart work—knowing what to study, how deeply to study it, and how to present answers effectively under exam conditions.
Your journey through the CSIR NET life sciences high weightage topics should be systematic, focused, and goal-oriented. Create a study plan, stick to it with discipline, remain flexible to adjust based on your progress, and maintain confidence throughout your preparation.
With the right strategy, focused preparation on high-weightage topics, and quality guidance, cracking the CSIR NET Life Sciences exam is an achievable goal. The effort you invest now will shape your academic and professional future, making it one of the most valuable investments in your career.
Frequently Asked Questions
Which are the most important topics for CSIR NET Life Sciences June 2025?
The most important topics include DNA replication and repair, transcription and translation, cell signaling pathways, enzyme kinetics, cell cycle regulation, photosynthesis, nervous system physiology, and population ecology. These consistently contribute 40-50% of the questions. Molecular biology (Unit 3) and cell biology (Unit 2) together account for nearly 30% of the entire paper, making them the highest priority areas for preparation.
How many months of preparation is required to crack CSIR NET Life Sciences?
For candidates with a strong foundation in life sciences, 4-6 months of dedicated preparation focusing on high-weightage topics is generally sufficient. However, if you’re starting from scratch or haven’t studied these subjects recently, 8-10 months of systematic preparation is recommended. The key is consistency rather than duration—studying 4-5 hours daily with focused attention on CSIR NET life sciences high weightage topics yields better results than sporadic intensive study sessions.
Is coaching necessary for CSIR NET Life Sciences or can I prepare on my own?
Self-study is possible and many candidates successfully clear CSIR NET through self-preparation. However, quality coaching from experienced centers like CHANDU BIOLOGY CLASSES can significantly enhance your preparation by providing structured study plans, regular tests, doubt resolution, and strategic guidance on high-weightage topics. Coaching is particularly beneficial for students who need direction, struggle with self-discipline, or find certain topics like immunology and biostatistics challenging. The decision should depend on your learning style, available resources, and confidence level.
What is the minimum qualifying percentage for CSIR NET Life Sciences 2025?
The qualifying percentage varies each exam depending on difficulty level and is announced by CSIR after the exam. Generally, for the General category, it ranges from 33-40% of total marks, for OBC it’s around 30-35%, and for SC/ST categories it’s 25-30%. However, these are minimum qualifying marks—to secure JRF, you typically need 50-55% or higher depending on the cutoff for that particular exam. Focus should be on maximizing scores in high-weightage topics rather than just aiming for minimum qualification.
How important is Part A for CSIR NET Life Sciences qualification?
Part A is extremely important as it’s mandatory to qualify—even if you score exceptionally well in Parts B and C, failure to meet the Part A cutoff will disqualify you. Generally, you need to score at least 40-50% in Part A (8-10 marks out of 20) to qualify. Many life science students neglect this section, which proves costly. Regular practice of logical reasoning, data interpretation, and basic mathematics can help you comfortably clear this section.
Which books are best for CSIR NET Life Sciences preparation?
For molecular biology, “Molecular Biology of the Cell” by Alberts et al. is comprehensive. For cell biology, Lodish’s “Molecular Cell Biology” is excellent. For biochemistry, Nelson and Cox’s “Lehninger Principles of Biochemistry” is standard. For ecology, “Fundamentals of Ecology” by Odum and concepts from Molles are useful. However, textbooks alone aren’t sufficient—you need question banks, previous year papers, and ideally, guidance from coaching programs that focus on exam-oriented preparation rather than just conceptual learning.
How many questions should I attempt in Part B and Part C to qualify for JRF?
There’s no fixed formula as it depends on the difficulty level of that particular exam. Generally, in Part B, attempt 25-30 questions with at least 70-80% accuracy (approximately 17-24 correct answers). In Part C, attempt 10-12 questions with high confidence, aiming for 8-10 correct answers. Quality matters more than quantity—negative marking means that one wrong answer cancels one correct answer. It’s better to attempt fewer questions with confidence than to attempt many questions with guesswork.
What is the weightage of plant and animal physiology in CSIR NET?
Combined, plant and animal physiology (Units 6 and 7) typically account for 20-25% of the total questions. Animal physiology generally carries slightly higher weightage (12-15%) compared to plant physiology (10-12%). Within animal physiology, the nervous system, endocrine system, and circulatory system are most frequently tested. In plant physiology, photosynthesis and plant hormones are high-priority topics. These units require understanding of both structural and functional aspects.
Are previous year questions repeated in CSIR NET Life Sciences?
Exact questions are rarely repeated, but concepts and question patterns definitely recur. The same topics are tested repeatedly, often with slight variations in how the question is framed. This makes solving previous year questions extremely valuable—not for expecting repeats, but for understanding which topics are consistently important and how they’re tested. Questions on DNA replication, enzyme kinetics, cell signaling, and ecological principles appear in some form in almost every exam.
How can I improve my speed in solving CSIR NET Life Sciences questions?
Speed improvement requires regular timed practice. Start by solving topic-wise questions without time pressure to build accuracy. Once your accuracy improves, begin taking timed tests. Analyze which question types slow you down—is it numerical problems, diagram-based questions, or lengthy passages? Work specifically on those weaknesses. Familiarity with high-weightage topics through repeated revision helps you answer those questions quickly, leaving more time for challenging ones. Mock tests under exam conditions are essential for building speed and stamina.