Artham Resources | Class 12 Biology Half-Yearly Sample Paper with Solutions (Set 1)
Strictly Aligned with CBSE Board Pattern & New NCERT Curriculum 2026–27
A full-length, board-calibrated 70-mark milestone practice examination for Class 12 Biology designed to test biological reasoning, diagrammatic accuracy, and applied experimental genetics 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 analytical descriptions.
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50% Competency-Focused Mandate: Packed with higher-order thinking skill (HOTS) questions requiring students to trace gametogenesis pathways, calculate dihybrid cross probability distributions, analyze pedigree charts for sex-linked and autosomal disorders, and critique modern assisted reproductive technologies (ART).
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Case-Based & Diagram-Driven Analysis: Integrates real-world epidemiological case studies, molecular diagrams of the transcription unit and replication fork, experimental data from Hershey-Chase and Meselson-Stahl investigations, and floral/embryological cross-sections.
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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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