CBSE Class 12 Biology Test Papers, Unit Tests and Periodic Assessment Exams

Biology Test Papers for Class 12 are the collection of past unit test papers and periodic assessment class test papers which helps students to prepare for upcoming monthly quarterly half yearly and annual exams. Here on Ribblu one can get a lot of Test Papers for Class 12 Biology in PDF format for free.

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Class 12 Biology Marks Distribution
Units Marks
Reproduction 14
Genetics and Evolution 18
Biology and Human Welfare 14
Biotechnology and its Applications 12
Ecology and Environment 12
Total 70

Biology Topics to be covered for Class 12 Science

  • Reproduction in Organisms
  • Sexual Reproduction in Flowering Plants
  • Human Reproduction
  • Reproductive Health
  • Principles of Inheritance and Variation
  • Molecular Basis of Inheritance
  • Evolution
  • Human Health and Diseases
  • Strategies for Enhancement in Food Production
  • Microbes in Human Welfare
  • Biotechnology - Principles and Processes
  • Biotechnology and its Application
  • Organisms and Populations
  • Ecosystem
  • Biodiversity and its Conservation
  • Environmental Issues

Structure of CBSE Biology Sample Paper for Class 12 Science is

Type of Question Marks per Question Total No. of Questions Total Marks
Very Short Answer Type Questions 1 5 5
Short Answer Type Questions - 1 2 7 14
Short Answer Type Questions - 2 3 12 36
Long Answer Type Questions 3 5 15
Total 27 70

For Preparation of board exams students can also check out other resource material

CBSE Class 12 Biology Question Papers

Important Questions for Class 12 Biology Chapter Wise

Biology Revision Notes for class 12

Previous Year Question Paper CBSE Class 12 Biology

Why Attempting Past Test Papers are Important for Exam Preparation?

Test papers are mainly class test papers that the subject teacher had prepared in the past for previous students. Thus when students attempt such practice test papers they get to know the framework which the subject teacher is following in making examination papers. Apart from reference books and notes, Test Papers are very effective study materials for exam preparation. When a student tries to attempt previous test papers , it becomes very easy to gauge how well the topics have been understood and what kind of questions are asked in exams related to that chapter.

As they say before facing the main battle one needs to practice on small fights and get expertise and that will make sure the success in the finals. Similarly in order to score high marks in annual exams, it is imperative to attempt previous test papers so that the student identifies and checks whether the understanding of all concepts of the already prepared chapters of any particular subject are complete or not. It highlights the weak areas if any and gives students ample amount of time to revisit the topics and work on those areas and be better prepared before exams.

Periodic Test papers, Weekly tests and Unit Test papers are usually framed on few chapters of the syllabus thus the concentration of questions asked are of good depth thus when a student attempts those papers , it makes sure that no topic or fundamental concept has been skipped by students while studying any chapter.

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