for Grade XI and XII

Unit wise weightage for Zoology grade XI
1. Introduction to Biology - very short questions 2, short questions x, long questions x.
2. evolution of life – very short questions 2 or 1 opt, short questions 0 or 1 opt, long question 1( 8 marks)
3. biodiversity – very short questions 1 or 1 opt, short questions 3 or 1 opt, long questions 1 or 1 opt (7.5 marks)
4. biota and their environment – very short questions 2 or 1 opt, short questions 2, long questions x

one full question of 8 marks will be asked either from the unit Evolution of life or Biota and environment.


Unit wise weightage for Zoology grade XII
1. Anatomy and physiology of organisms – very short question 1, short questions 1, long questions x.
2. Developmental biology – very short questions x or 1 opt, short questions 1, long questions x
3. Human biology and health- very short questions 3 or 2 opt, short questions 2 or 1 opt , long questions 1(8 marks) and 1( 7.5 marks) or 1 opt
4. Application of biology – short questions 3, short questions 1, long questions x

Long question from Developmental biology can be asked by reducing the marks from the unit of Human Biology and Health.