CBSE Class 12 Biology Marking Scheme

CBSE Class 12 Biology Marking Scheme

Biology is one of the most important subjects in class 12. Students aspiring to make a career in medical field, pharmacy, dental, etc. should have scored good marks in their CBSE class 12 board examination. The CBSE Class 12 Biology marking scheme is designed by the Central Board of Secondary Education following certain guidelines.

Marking scheme is the proper division of marks according to the Units. The CBSE Marking Scheme make students familiar with the marks weightage and questions paper design. Here we have also provided the evaluation scheme of Biology paper. Knowing this, students can easily plan their studies effectively and in organised manner.

CBSE Class 12th Marking Scheme: Biology

Unit Title Marks
VI Reproduction 14
VII Genetics and Evolution 18
VIII Biology and Human Welfare 14
IX Biotechnology and its Applications 12
X Ecology and Environment 12
Total 70

CBSE Class 12 Biology Assessment Areas (Theory Paper)

The type of questions based on which the assessment will be done are mentioned below. Also, an internal choice of approximately 33% would be provided to the students in the exam.

  1. Very Small Answer Question including MCQs
  2. Assertion – Reasoning type questions
  3. Small Answer Question
  4. Large Answer Question-I
  5. Large Answer Question-II
  6. Source-based/ Case-based/ Passage-based/ Integrated assessment questions
Competencies
Demonstrate Knowledge and Understanding 50%
Application of Knowledge / Concepts 30%
Analyse, Evaluate and Create 20%

CBSE Class 12 Biology Practical Evaluation Scheme

Evaluation Scheme Marks
One Major Experiment 5
One Minor Experiment 4
Slide Preparation 5
Spotting 7
Practical Record + Viva Voce Credit to the students’ work over
the academic session may be given
4
Investigatory Project and its
Project Record + Viva Voce
5
Total 30

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