Compilation of repeated questions from past Biology papers. Downloadable PDF of important questions available. Covers key chapters like Reproduction, Genetics, and Biotechnology. CBSE Class 12 Biology ...

Q2. What is the formula used in Arithmetic Mean? Ans. Arithmetic Mean = Sum of all terms in the AP / Number of terms in the AP Q3. What is the formula used in the Sum of ‘n’ terms of an AP? Ans. Sum ...