Artham Resources | Class 12 Biology Half-Yearly Sample Paper with Solutions (Set 8)
Strictly Aligned with CBSE Board Pattern & New NCERT Curriculum 2026–27
A full-length, board-calibrated 70-mark practice examination for Class 12 Biology designed to benchmark molecular genetics, evolutionary adaptations, and reproductive biotechnology under authentic 3-hour examination conditions.
Key Highlights & Academic Features
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Authentic Examination Rigor: Calibrated to mirror official mid-term standards across Reproduction, Genetics & Evolution, and Biology in Human Welfare, balancing objective MCQs, Assertion-Reasoning items, structured short responses, case-based units, and long-form descriptive problems.
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50% Competency-Focused Mandate: Packed with higher-order thinking skill (HOTS) questions requiring students to calculate recombination frequencies from Morgan’s dihybrid crosses, analyze natural selection patterns (stabilizing, directional, disruptive), evaluate the hormonal mechanism of intrauterine devices (IUDs) and oral pills, and deduce the genetic basis of thalassemia vs. sickle-cell anemia.
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Case-Based & Diagram-Driven Analysis: Integrates high-resolution diagrams of an anatropous ovule and megasporogenesis, DNA fingerprinting autoradiogram analysis, human placental hormone profiles, and industrial microbial fermentation flowcharts.
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Step-by-Step Marking Scheme: Delivers comprehensive, point-wise solutions detailing standard biological definitions, key technical keywords, fully labeled diagrams, Punnett squares, and structured answer rubrics.
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Timed 3-Hour Simulation: Calibrated to train senior secondary life science students in pacing across quick-fire objective items, pedigree evaluations, data interpretation, and multi-tier theoretical explanations without running out of time.
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