Three practice questions for the inspectors' legal exam, one from each area, with the answer and the section or Code paragraph behind it. Our own questions, not the College of Policing's.

NPPF Inspectors' Exam Practice Questions: Free Sample with Answers

nppf-inspectors-exam-format-syllabus-dates

The inspectors' legal exam is 150 questions in three hours, scored on 140, pass mark 65%. The 2027 dates, who can sit it, the 46 chapters in scope and the May 2026 results.

NPPF Inspectors' Exam 2027: Format, Syllabus, Pass Mark and Dates

Articles related to NPPF Inspectors' Legal Exam (Step Two) on page 1 

<div style="background:#eef3fb;color:#303846;border:1px solid #c9d7ee;border-radius:12px;padding:14px 18px;margin:0 0 18px"><p style="margin:0;font-size:14px;line-height:1.6"><strong style="color:#171d29">Checked 25 September 2026.</strong> Based on the official GATE 2027 syllabus and question paper pattern, both fixed for the February 2027 exam.</p></div>

<p style="margin:0 0 16px;line-height:1.7">Every GATE Life Sciences candidate writes the same 40 marks — General Aptitude and XL0 Chemistry — and then picks <strong>two of five</strong> optional sections for the other 60. That choice decides most of your score, and it is usually made by default: "I did B.Sc. Microbiology, so Microbiology and… something."</p>

<p style="margin:0 0 16px;line-height:1.7">This guide makes that choice deliberately. It uses the official 2027 syllabus to show which sections overlap (so one month of study counts twice), what each section rewards, and one detail from the IIT Madras brochure that changes how you should prepare: <strong>you choose your two sections during the exam, after seeing the questions.</strong></p>

Two things follow from those numbers. First, each optional section carries eleven 2-mark questions — 22 of its 30 marks — so a section in which you can solve multi-step problems is worth more than one in which you merely recognise terms. Second, your two optional sections together are 60 of 100 marks: more than GA and Chemistry combined.

You pick your sections inside the exam hall

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">What the IIT Madras brochure says</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">You may attempt at most two of XL1–XL5, and you select them during the exam, after the paper opens.</li><li style="margin:6px 0;line-height:1.6">To switch to a different section, you must first de-select one you chose. <strong>De-selecting deletes every answer you gave in that section</strong>, and the screen warns you before it does.</li></ul><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Source: GATE 2027 question paper pattern and Information Brochure.</p></div>

This is an option, not a strategy. It is useful only if you have genuinely prepared a third section well enough to switch to it — and switching late in the paper costs you the time and the answers already spent. The practical rule: prepare two sections properly, and treat any third section as insurance you use only if one of your two looks unusually hard in the first ten minutes.

The overlaps below are read directly off the official 2027 syllabus. Where two sections list the same topic, one round of preparation serves both.

<figure style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0;margin:18px 0"><figcaption style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Syllabus overlap between the five optional sections</figcaption><div style="overflow-x:auto"><table style="border-collapse:collapse;width:100%;min-width:420px"><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8"></th><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8">Biochem</th><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8">Botany</th><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8">Micro</th><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8">Zoology</th><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8">Food Tech</th></tr><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8;text-align:left">Biochem</th><td style="padding:8px 6px;text-align:center;font-size:12px;background:#f7f5ef;color:#171d29;border:2px solid #ffffff">—</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td></tr><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8;text-align:left">Botany</th><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#f7f5ef;color:#171d29;border:2px solid #ffffff">—</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low–med</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low</td></tr><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8;text-align:left">Micro</th><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low–med</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#f7f5ef;color:#171d29;border:2px solid #ffffff">—</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Med–high</td></tr><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8;text-align:left">Zoology</th><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#6fb88a;color:#171d29;border:2px solid #ffffff">High</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#f7f5ef;color:#171d29;border:2px solid #ffffff">—</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low</td></tr><tr><th style="padding:8px 6px;font-size:12px;font-weight:700;color:#171d29;text-align:center;border-bottom:1px solid #e4e1d8;text-align:left">Food Tech</th><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Medium</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#b9dec6;color:#171d29;border:2px solid #ffffff">Med–high</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#e3f1e7;color:#171d29;border:2px solid #ffffff">Low</td><td style="padding:8px 6px;text-align:center;font-size:12px;background:#f7f5ef;color:#171d29;border:2px solid #ffffff">—</td></tr></table></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Darker = more shared syllabus. Read off the official 2027 section texts.</p><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Microbiology + Zoology share immunology, genetics and cell biology (medium); Botany + Food Technology share only economic botany and plantation-crop processing (low).</p></figure>

Chemistry (XL0) also overlaps with Biochemistry more than with any other section: its Chemistry of Biomolecules, Reaction Kinetics (including enzyme inhibition) and new Bioinorganic Chemistry sections are close to XL1 material. A Biochemistry candidate revises XL0.4, XL0.7 and XL0.10 largely for free — GATE does not publish marks per subsection, so how much that is worth varies by paper.

Rate how strong you are in each section, from 0 (never studied it) to 5 (your strongest subject). The tool adds your two ratings for every possible pair and gives a bonus to pairs that share a lot of syllabus, because shared syllabus means one round of study counts twice.

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0" id="xlpair"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">GATE XL section-pair finder</h3><p style="margin:0 0 12px;line-height:1.6">Be honest — rate what you could answer today, not what your degree was called.</p><label style="display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:14px;color:#303846">XL1 Biochemistry<select data-k="bio" style="padding:6px;border:1px solid #c9c4b5;border-radius:8px;font-size:15px"><option value="0">0 — never studied</option><option value="1">1</option><option value="2">2</option><option value="3" selected>3 — studied it</option><option value="4">4</option><option value="5">5 — strongest</option></select></label><label style="display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:14px;color:#303846">XL2 Botany<select data-k="bot" style="padding:6px;border:1px solid #c9c4b5;border-radius:8px;font-size:15px"><option value="0">0 — never studied</option><option value="1">1</option><option value="2">2</option><option value="3" selected>3 — studied it</option><option value="4">4</option><option value="5">5 — strongest</option></select></label><label style="display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:14px;color:#303846">XL3 Microbiology<select data-k="mic" style="padding:6px;border:1px solid #c9c4b5;border-radius:8px;font-size:15px"><option value="0">0 — never studied</option><option value="1">1</option><option value="2">2</option><option value="3" selected>3 — studied it</option><option value="4">4</option><option value="5">5 — strongest</option></select></label><label style="display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:14px;color:#303846">XL4 Zoology<select data-k="zoo" style="padding:6px;border:1px solid #c9c4b5;border-radius:8px;font-size:15px"><option value="0">0 — never studied</option><option value="1">1</option><option value="2">2</option><option value="3" selected>3 — studied it</option><option value="4">4</option><option value="5">5 — strongest</option></select></label><label style="display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 8px;font-size:14px;color:#303846">XL5 Food Technology<select data-k="food" style="padding:6px;border:1px solid #c9c4b5;border-radius:8px;font-size:15px"><option value="0">0 — never studied</option><option value="1">1</option><option value="2">2</option><option value="3" selected>3 — studied it</option><option value="4">4</option><option value="5">5 — strongest</option></select></label><div id="xlpair-out" style="margin:12px 0 0;line-height:1.7"></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Overlap bonuses: 2 for high overlap, 1.5 medium–high, 1 medium, 0.5 low–medium, 0 low — taken from the overlap grid above. The bonus never outweighs a genuine difference in strength of two points or more.</p><script>(function(){var R=document.getElementById('xlpair');if(!R)return;var O=[{"key":"bio","name":"XL1 Biochemistry"},{"key":"bot","name":"XL2 Botany"},{"key":"mic","name":"XL3 Microbiology"},{"key":"zoo","name":"XL4 Zoology"},{"key":"food","name":"XL5 Food Technology"}],B={"bio|mic":2,"bio|zoo":2,"bot|zoo":2,"mic|food":1.5,"bio|bot":1,"bio|food":1,"mic|zoo":1,"bot|mic":0.5},ss=R.querySelectorAll('select');function go(){var v={};for(var i=0;i<ss.length;i++)v[ss[i].getAttribute('data-k')]=parseInt(ss[i].value,10);var res=[];for(var a=0;a<O.length;a++)for(var b=a+1;b<O.length;b++){var x=O[a],y=O[b],bo=B[x.key+'|'+y.key]||B[y.key+'|'+x.key]||0;res.push({n:x.name+' + '+y.name,s:v[x.key]+v[y.key]+bo,bo:bo});}res.sort(function(p,q){return q.s-p.s;});var o=document.getElementById('xlpair-out');o.innerHTML='<strong>Your strongest pairs:</strong><ol style="margin:6px 0 0;padding-left:22px">'+res.slice(0,3).map(function(r){return '<li style="margin:4px 0">'+r.n+' <span style="color:#5b6472">(score '+r.s+(r.bo?', includes +'+r.bo+' for shared syllabus':'')+')</span></li>';}).join('')+'</ol>';}for(var i=0;i<ss.length;i++)ss[i].addEventListener('change',go);go();})();</script></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">XL1 Biochemistry</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Rewards quantitative thinking: enzyme kinetics up to two substrates, Henderson–Hasselbalch buffer problems, spectroscopy.</li><li style="margin:6px 0;line-height:1.6">Restructured in 2027 (compared with the official 2026 syllabus): immune-system theory removed, metabolic disorders and hormonal regulation added.</li><li style="margin:6px 0;line-height:1.6">Best for: B.Sc./M.Sc. Biochemistry, Biotechnology, Molecular Biology.</li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">XL2 Botany</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Rewards breadth and memory: taxonomy with nine named families, anatomy, plant physiology, hormones, pathology, economic botany.</li><li style="margin:6px 0;line-height:1.6">Only additions in 2027, so a 2026 plan needs topping up rather than rebuilding.</li><li style="margin:6px 0;line-height:1.6">Best for: B.Sc. Botany, Plant Sciences, Agriculture.</li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">XL3 Microbiology</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Rewards mechanism-level understanding: metabolism, genetics (transformation, conjugation, transduction), pathogenesis, antibiotics.</li><li style="margin:6px 0;line-height:1.6">Small, clean changes in 2027 (CRISPR–Cas, quorum sensing, sporulation added).</li><li style="margin:6px 0;line-height:1.6">Best for: B.Sc. Microbiology, Biotechnology, Medical Lab Technology.</li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">XL4 Zoology</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Rewards conceptual biology: evolution, genetics, developmental biology, physiology, behaviour.</li><li style="margin:6px 0;line-height:1.6">Almost unchanged in 2027 — the most stable section to prepare.</li><li style="margin:6px 0;line-height:1.6">Best for: B.Sc. Zoology, Life Sciences.</li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">XL5 Food Technology</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Rewards engineering-style numericals: mass and energy balance, heat and mass transfer, D/Z/F values — much of it closer to chemical engineering than to biology.</li><li style="margin:6px 0;line-height:1.6">Gained the most new topics in 2027 (non-thermal processing, probiotics, adulteration, new standards), by our count against the 2026 syllabus.</li><li style="margin:6px 0;line-height:1.6">Best for: B.Tech/B.Sc. Food Technology, Dairy Technology, Food Science.</li></ul></div>

<figure style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0;margin:18px 0"><figcaption style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">How each optional section was asked in 2026</figcaption><div style="margin:0 0 8px"><span style="display:inline-flex;align-items:center;gap:6px;margin:0 14px 6px 0;font-size:13px;color:#303846"><span style="width:12px;height:12px;border-radius:3px;background:#1f7a45;display:inline-block"></span>MCQ (negative marking)</span><span style="display:inline-flex;align-items:center;gap:6px;margin:0 14px 6px 0;font-size:13px;color:#303846"><span style="width:12px;height:12px;border-radius:3px;background:#2f6fb0;display:inline-block"></span>MSQ (none)</span><span style="display:inline-flex;align-items:center;gap:6px;margin:0 14px 6px 0;font-size:13px;color:#303846"><span style="width:12px;height:12px;border-radius:3px;background:#b7791f;display:inline-block"></span>NAT (none)</span></div><div style="margin:0 0 10px"><div style="font-size:14px;color:#303846;margin:0 0 4px">Biochemistry</div><div style="display:flex;height:22px;border-radius:6px;overflow:hidden"><div style="width:42.11%;background:#1f7a45;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">8</div><div style="width:26.32%;background:#2f6fb0;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">5</div><div style="width:31.58%;background:#b7791f;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">6</div></div></div><div style="margin:0 0 10px"><div style="font-size:14px;color:#303846;margin:0 0 4px">Botany</div><div style="display:flex;height:22px;border-radius:6px;overflow:hidden"><div style="width:57.89%;background:#1f7a45;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">11</div><div style="width:26.32%;background:#2f6fb0;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">5</div><div style="width:15.79%;background:#b7791f;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">3</div></div></div><div style="margin:0 0 10px"><div style="font-size:14px;color:#303846;margin:0 0 4px">Microbiology</div><div style="display:flex;height:22px;border-radius:6px;overflow:hidden"><div style="width:63.16%;background:#1f7a45;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">12</div><div style="width:26.32%;background:#2f6fb0;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">5</div><div style="width:10.53%;background:#b7791f;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">2</div></div></div><div style="margin:0 0 10px"><div style="font-size:14px;color:#303846;margin:0 0 4px">Zoology</div><div style="display:flex;height:22px;border-radius:6px;overflow:hidden"><div style="width:57.89%;background:#1f7a45;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">11</div><div style="width:36.84%;background:#2f6fb0;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">7</div><div style="width:5.26%;background:#b7791f;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">1</div></div></div><div style="margin:0 0 10px"><div style="font-size:14px;color:#303846;margin:0 0 4px">Food Technology</div><div style="display:flex;height:22px;border-radius:6px;overflow:hidden"><div style="width:63.16%;background:#1f7a45;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">12</div><div style="width:26.32%;background:#2f6fb0;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">5</div><div style="width:10.53%;background:#b7791f;color:rgb(255,255,255);font-size:12px;font-weight:700;text-align:center;line-height:22px;overflow:hidden;white-space:nowrap">2</div></div></div><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Question counts from the official GATE 2026 XL answer key (IIT Guwahati). Biochemistry had the most numerical-answer questions; Zoology the most multiple-select.</p></figure>

The question mix matters for choice as well as for strategy. A section heavy in numerical-answer questions (Biochemistry in 2026, with six) rewards candidates who are comfortable calculating — kinetics, buffer pH, yields — and punishes those who revise by recognition. A section heavy in multiple-select questions (Zoology, with seven) rewards precise knowledge, because an MSQ scores only if every correct option is chosen and no wrong one is. Neither carries negative marking. In 2026 that was 7 or 8 of 19 questions in most sections — about four in ten — and 11 of 19 in Biochemistry (58%). But no risk is not the same as worth guessing: a numerical answer can be attempted on partial working, while an MSQ scores only if you pick every correct option and no wrong one, so a random MSQ guess almost never pays.

These are defaults, not rules. If your degree covered one section only lightly — many B.Sc. Biotechnology programmes teach little plant anatomy, for instance — pick by what you have actually studied, not by what the degree is called.

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Do this once, this week</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6">Take one recent GATE XL question paper from the official site.</li><li style="margin:6px 0;line-height:1.6">For each of the five optional sections, read only the 2-mark questions and mark each "can solve", "could solve with revision" or "no idea". Do not solve them.</li><li style="margin:6px 0;line-height:1.6">Count "can solve" + "could solve with revision" per section. Your two highest counts are your two sections — unless the overlap table above points to a pair that is one or two questions behind but shares twice the syllabus.</li></ul><p style="margin:12px 0 0;font-size:13px;color:#5b6472">Skip any question on a topic removed in 2027 (see our syllabus-changes guide).</p></div>

<div style="background:#ecf7ef;color:#1f3a2a;border:1px solid #b9dec6;border-radius:12px;padding:18px 20px;margin:22px 0"><p style="margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#1f7a45">Practise it, don't just read it</p><p style="margin:0 0 12px;font-size:16px;line-height:1.6;color:#171d29">Once you have chosen, the next step is to find your weak topics inside those two sections.</p><p style="margin:0 0 12px;line-height:1.6">The ProSyllabus GATE XL library maps onto the 2027 syllabus like this: <strong>Enzyme Kinetics Parameters</strong> and <strong>Lineweaver–Burk Plot Analysis</strong> → XL1.2 and XL0.7; <strong>Cell Membrane Transport</strong> → XL1.5 and XL3.4; <strong>Operon Regulation Mechanisms</strong> → XL3.9; <strong>Mendelian Inheritance Patterns</strong> → XL2.5 and XL4.3. Ten questions each, a worked explanation for every option, and a free AI report on where you lost marks. Topics new in 2027 are not in the library yet — use the syllabus and your textbooks for those.</p><p style="margin:0"><a href="/exam/gate-xl/practice-quiz" style="display:inline-block;background:#ffffff;color:#1f7a45;border:2px solid #1f7a45;padding:9px 18px;border-radius:8px;text-decoration:none;font-weight:700">Start a GATE XL quiz →</a></p></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">More in this series</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-syllabus-changes-section-wise" style="color:#255a45">GATE XL 2027 syllabus changes, section by section</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-preparation-plan-october-to-february" style="color:#255a45">GATE XL 2027 week-by-week plan, October to February</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-chemistry-xl0-preparation-guide" style="color:#255a45">XL0 Chemistry: the compulsory 25 marks</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-previous-year-papers-with-answer-keys" style="color:#255a45">GATE XL previous year papers 2019–2026, with answer keys</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-marks-vs-score-vs-rank-calculator" style="color:#255a45">GATE XL marks vs score vs rank, with calculator</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-xl-vs-gate-bt-vs-csir-net-life-sciences" style="color:#255a45">GATE XL vs GATE BT vs CSIR NET Life Sciences</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/gate-life-sciences-cutoff-rank-college-placements" style="color:#255a45">GATE Life Sciences cutoffs, top colleges and rank vs college</a></li><li style="margin:6px 0;line-height:1.6"><a href="/hub/exam-alert-and-updates-for-gate-xl" style="color:#255a45">GATE XL notice board — official updates</a></li></ul></div>

<div style="background:#ffffff;color:#303846;border:1px solid #e4e1d8;border-radius:12px;padding:18px 20px;margin:18px 0"><h3 style="margin:0 0 10px;font-size:17px;font-weight:700;color:#171d29">Sources</h3><ul style="margin:0;padding-left:20px"><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027.iitm.ac.in/static/doc/GATE2027_Syllabus/XL_GATE2027_CombinedSyllabus.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2027 XL Life Sciences syllabus (IIT Madras)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2026.iitg.ac.in/doc/GATE2026_Syllabus/XL-2026_Combined_Syllabus.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2026 XL combined syllabus (IIT Guwahati)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2025.iitr.ac.in/doc/2025/GATE%20_XL_2025_Syllabus.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2025 XL syllabus (IIT Roorkee)</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027.iitm.ac.in/question_paper_pattern" rel="nofollow noopener" style="color:#255a45">GATE 2027 question paper pattern</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027ib.iitm.ac.in/GATE2027-IB.pdf" rel="nofollow noopener" style="color:#255a45">GATE 2027 Information Brochure, revised 27 Sep 2026</a></li><li style="margin:6px 0;line-height:1.6"><span style="color:#1f7a45;font-weight:700">official</span> — <a href="https://gate2027.iitm.ac.in/exam_papers_and_syllabus" rel="nofollow noopener" style="color:#255a45">GATE 2027 exam papers and syllabus</a></li></ul><p style="margin:12px 0 0;font-size:13px;color:#5b6472"><strong style="color:#1f7a45">official</strong> = a document published by the conducting body. <strong style="color:#8a5300">reported</strong> = a news or coaching site we could not check against an original. Where sources disagree this page says so rather than picking one.</p></div>

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