ISC Biology Exam 2026 Tomorrow, Check Timings & Important Units to Revise Here

ISC Class 12 Biology exam will be conducted tomorrow. Students should revise important Bio units such as Reproduction, Genetics, Biotechnology, Human Health, and Ecology and follow exam timings and guidelines. Check details here 

ISC Biology Exam 2026

ISC Biology Exam 2026: The Council for the Indian School Certificate Examinations will be conducting ISC Class 12 Biology exam tomorrow, March 6, 2026. With only few hours left before exam, students are advised to revise ISC Biology important chapters, go through diagrams, concepts and focus on topics that have been repeated ISC 12th board exam for Biology.

ISC Biology paper is important subjects for students of Science stream, especially those planning to pursue higher studies in medicine, biotechnology, pharmacy, or life sciences. When appearing for ISC 12 Biology exam 2026, they must carry their admit card and school ID card too for verification. 

ISC Biology Exam 2026 Timings

ISC Biology paper will be conducted tomorrow in single shift. Check table for detailed information 

ISC Biology Paper Pattern 2026

Understanding ISC Bio exam pattern is important. ISC class 12th Biology question paper includes:

• Section A: Short answer questions covering basic concepts
• Section B: Descriptive questions from major units
• Section C: Application-based or analytical questions
• Diagram-based questions: Labelling and explanation of biological processes

The paper focuses on definitions, diagrams, processes and reasoning-based questions.

Important Units to Revise for ISC Biology Exam

Students should focus on important chapters from the ISC Biology syllabus that are commonly asked in the exam.

Reproduction

• Human reproductive system
• Gametogenesis
• Menstrual cycle
• Fertilisation and embryonic development
• Reproductive health
• Clear understanding of diagrams and processes is important in this unit.

Genetics and Evolution

This is another high-weightage unit in ISC Biology exam. Important topics include:

• Mendelian inheritance
• Chromosomal theory of inheritance
• DNA structure and replication
• Gene expression
• Evolution and natural selection

Biotechnology and Its Applications

• Genetic engineering
• Recombinant DNA technology
• Biotechnology in medicine and agriculture
• Gene therapy
• Understanding biotechnological processes and real-life applications is essential.

Human Health and Diseases

• Types of diseases
• Immune system and immunity
• Vaccines
• Pathogens and disease transmission

Ecology and Environment

• Ecosystem structure and functions
• Food chains and food webs
• Biodiversity and conservation
• Environmental issues

Last-Minute Preparation Tips for ISC Biology Exam

Students can follow these last-minute strategies to improve their performance in Biology exam 

• Revise important diagrams and labelling questions
• Focus on definitions and biological terminology
• Solve previous years’ question papers
• Avoid starting new topics at the last minute
• Time management during the exam is also very important. Students should attempt short questions first and then move to descriptive answers

ISC Biology Exam Day Guidelines for Students

Students appearing for CISCSE 12th Biology exam should keep these instructions in mind

• Reach exam centre at least 30 minutes before reporting time
• Carry admit card and necessary stationery
• Read ISC Biology question paper during 15 minute reading time
• Write clear and well-structured answers with diagrams 
• Label diagrams properly