ISC Class 11 Science

ISC Class 11 Science Guide 2026-27

Complete Guide for Physics, Chemistry, Mathematics/Biology & More

Updated Syllabus • Exam Pattern • Career Pathways
Get comprehensive guidance for ISC Class 11 Science stream with detailed subject coverage, exam patterns, and preparation strategies for 2026-27.

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6+ Subjects 6 Sections Career in STEM Updated for 2026-27

ISC Class 11 Science Syllabus 2026-27

The ISC Class 11 Science syllabus is designed to provide a comprehensive understanding of scientific concepts as per CISCE guidelines for the academic year 2026-27.

Subject	Key Topics	Marks
Physics	Mechanics, Thermal Physics, Waves, Optics, Electricity, Magnetism, Modern Physics	70
Chemistry	Physical Chemistry, Inorganic Chemistry, Organic Chemistry, Environmental Chemistry	70
Mathematics	Algebra, Calculus, Trigonometry, Coordinate Geometry, Statistics, Vectors	80
Biology	Cell Biology, Genetics, Ecology, Plant & Animal Physiology, Evolution	70
English	Language, Literature, Grammar, Writing Skills, Comprehension	80
Second Language	Grammar, Literature, Writing, Comprehension	80

Note: Physics, Chemistry, and Biology have 70 marks theory and 30 marks practical. Mathematics and English have 80 marks theory and 20 marks internal assessment.

View Detailed Syllabus Download from CISCE

ISC Class 11 Science Exam Pattern 2026-27

ISC Class 11 Science follows a comprehensive evaluation pattern with theory examinations and practical assessments for 2026-27.

Subject	Total Marks	Theory	Practical/Internal	Exam Duration
Physics	100	70	30	3 hours
Chemistry	100	70	30	3 hours
Mathematics	100	80	20	3 hours
Biology	100	70	30	3 hours
English	100	80	20	3 hours
Second Language	100	80	20	3 hours

View Detailed Exam Pattern

ISC Class 11 Science Important Dates 2026-27

Event	Date (Tentative)	Details
Academic Year Start	April 2026	Commencement of new academic session
First Periodic Test	May 2026	Covering topics from April-May
Second Periodic Test	August 2026	Covering topics from June-August
Half-Yearly Exam	November 2026	Full syllabus coverage (Term 1)
Third Periodic Test	December 2026	Covering topics from September-November
Fourth Periodic Test	February 2027	Covering topics from December-February
Final Exam	February-March 2027	Full syllabus coverage (Term 2)
Result Declaration	March-April 2027	Final results announced

Note: Dates are tentative. Please check with your school for exact dates.

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ISC Class 11 Science Preparation Tips

Subject-wise Strategy

• Physics: Focus on concepts, numericals, and derivations
• Chemistry: Balance theory with practical applications
• Mathematics: Practice problems daily, focus on calculus and algebra
• Biology: Focus on diagrams, processes, and nomenclature
• English: Focus on writing skills and literary analysis

Competitive Prep

• Start JEE/NEET preparation from Class 11 itself
• Focus on NCERT/CISCE prescribed textbooks
• Practice numerical problems and MCQs regularly
• Develop analytical and problem-solving skills
• Take regular mock tests

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ISC Class 11 Science Important Chapters

Physics

• Mechanics
• Thermal Physics
• Waves & Optics
• Electricity & Magnetism
• Modern Physics

Chemistry

• Physical Chemistry
• Inorganic Chemistry
• Organic Chemistry
• Environmental Chemistry

Mathematics

• Algebra
• Calculus
• Trigonometry
• Coordinate Geometry
• Vectors & Statistics

Biology

• Cell Biology
• Genetics
• Ecology
• Plant Physiology
• Animal Physiology

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ISC Class 11 Science Chapter Weightage

Subject	Unit / Chapter	Weightage (%)	Marks
Physics	Mechanics	30%	21
	Waves & Optics	25%	17.5
	Electricity & Magnetism	30%	21
Chemistry	Physical Chemistry	35%	24.5
	Organic Chemistry	35%	24.5
	Inorganic Chemistry	30%	21
Mathematics	Calculus	35%	28
	Algebra	30%	24
	Geometry & Trigonometry	35%	28

Note: Weightage may vary slightly. Always check with your school for the exact distribution.

View Full Chapter Weightage

Career Opportunities After ISC Science

Engineering

B.Tech, B.E., JEE Advanced, Various Specializations

Medical

MBBS, BDS, NEET, AIIMS, JIPMER, Veterinary

Research & Pure Sciences

B.Sc., M.Sc., PhD, Research, Biotechnology, Nanotechnology

Computer Science & IT

B.Tech CS, Data Science, AI, Cybersecurity, Software Engineering

Data Science & Analytics

Data Scientist, Business Analytics, Machine Learning

Teaching & Academia

Teaching, Research, Education, Academic Positions

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Frequently Asked Questions

What subjects are included in ISC Class 11 Science?

ISC Class 11 Science includes Physics, Chemistry, Mathematics/Biology, English, and Second Language as core subjects. Students can choose between Mathematics and Biology based on their career goals.

What career options are available after ISC Science?

Career options include Engineering (JEE), Medical (NEET), Research, Biotechnology, Data Science, Computer Science, and various other STEM fields.

What is the exam pattern for ISC Class 11 Science subjects?

ISC Class 11 Science subjects have 70-80 marks theory and 20-30 marks practical/internal assessment depending on the subject. Physics, Chemistry, and Biology have practical components.

How can StudyDecode help me with ISC Class 11 Science?

StudyDecode provides comprehensive guidance for ISC Class 11 Science students. From subject selection to exam preparation, JEE/NEET guidance, and career counseling — we help you build a strong foundation. Book a free consultation to know more.