Artham Resources | Class 12 Biology Half-Yearly Sample Paper with Solutions (Set 14)
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 evidence, and reproductive physiology 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 evaluate post-transcriptional modifications (capping, polyadenylation, splicing) in eukaryotes, critique reproductive isolation mechanisms leading to speciation, determine genotype probabilities in crosses exhibiting incomplete dominance, and analyze the physiological feedback of oxytocin and relaxin during labor.
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Case-Based & Diagram-Driven Analysis: Integrates high-resolution diagrams illustrating monocot vs. dicot seed morphology, molecular structures of purines vs. pyrimidines, experimental setups of industrial ethanol fermentation, and clinical scenarios diagnosing sexually transmitted infections (STIs) via nucleic acid amplification tests.
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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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