Biology Viva Questions Class 12: The Class 12 Biology practical examination plays a crucial role in the board results, and the viva voce (oral exam) often decides the final impression of a student’s ...

CBSE held Class 12 Biology exam on March 27, 2026, from 10:30 AM to 1:30 PM. Unofficial answer key PDF available for students to check responses and estimate scores. Question paper PDF and exam ...