By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.
Window: Objective + Short Descriptive | Domains: Same as INBO, breadth > depth
Must-do topics High-yield NCERT lines & diagrams Genetics math (probability, mapping), ecology numericals Physio pathways (inputs/outputs; limits) Biomolecules (structure–function), enzymes, membranes
Top traps (avoid) Guessing multi-select without elimination Forgetting control/assumption statements in experiment Qs Mixing dominance with penetrance/expressivity
Study split 50% mixed MCQ sets | 30% concept sheets | 20% diagrams/math drills
Last-48h checklist 2 past papers timed; 30 mixed MCQs; 6 diagram redraws; HW + χ² mini-drill
Quick facts/frames Pedigree: start with sex-linkage test → dominance → penetrance Ecology rate = Δpopulation/Δtime; know log/semilog plots
Speed tactics First pass: direct NCERT lines; second: data; third: tricky genetics Mark & move if >90 sec stall
Exam-day mini-plan MCQ sweep by certainty → return to flagged → final unit/device check
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