CBSE Sample Papers, Worksheets , Revision Notes

Category - Class 12

CBSE Class 12 Biology Chapter-wise Notes | Question Answers

Weightage of Content/Subject Units Unit Content Marks VI  Reproduction 14 VII  Genetics and Evolution 18 VIII  Biology and Human Welfare 14 IX  Biotechnology and its Applications 10 X  Ecology and Environment 14 Total 70 Weightage of Different Form of Questions S.NO            Form of Questions   Marks for Each  ...