Artham Resources | Class 12 Biology Half-Yearly Sample Paper with Solutions (Set 2)
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 sharpen analytical reasoning, molecular genetics problem-solving, and developmental biology concepts 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 questions.
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50% Competency-Focused Mandate: Packed with higher-order thinking skill (HOTS) questions requiring students to analyze chromosomal vs. gene mutations, evaluate non-Mendelian inheritance patterns (incomplete dominance, codominance, multiple alleles), trace hormonal regulation during the ovarian and uterine cycles, and interpret double fertilization energetics in angiosperms.
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Case-Based & Diagram-Driven Analysis: Features pedigree tree deduction problems, experimental analysis of the lac operon regulatory system, cloverleaf tRNA structural modeling, and clinical case contexts covering contraceptive efficacy and sexually transmitted infections (STIs).
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Step-by-Step Marking Scheme: Delivers comprehensive, point-wise solutions detailing essential technical terminology, schematic genetic pathways, step-by-step Punnett square derivations, and fully labeled biological diagrams.
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Timed 3-Hour Simulation: Calibrated to help senior secondary life science students master pacing across data-driven genetics problems, visual diagram interpretations, and multi-part physiological descriptions without running out of time.
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