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CBSE Class 12 Biology Exam Pattern

Biology question paper contain totally 30 questions, it is divided into 4 sections.

Sections Total marks allotted Number of questionsMarks per question
 Section A 8 marks 8 1 mark per question
 Section B 20 marks 10 2 marks per question
 Section C 27 marks 9 3 marks per question
 Section D 15 marks 35 marks per question 

BluePrint - Biology - 2014

Unit Marks per chapter
 Reproduction14 
 Genetics and evolution 18
 Body and human welfare 14
 Biotechnology and its application 10
 Ecology and environment 14

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