With the Class 12 board examinations approaching, the CBSE Biology sample paper offers students a clear guide to the exam pattern, marking scheme and key topics ahead of the March 27 test.

Experiment 2: Collect and analyze soil samples from two different sites, studying texture, moisture content, pH, and water-holding capacity, and relating these factors to the types of plants found.

CBSE Class 12 Biology Pre Board Sample Paper 2025-2026: The CBSE Class 12 Biology Pre-Board Exam 2026 will be conducted on 27 March 2026 (Friday). As the exam date approaches, students are preparing ...