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ISC Class 12 Environmental Science Syllabus 2026-27 Out - Download PDF Online @ cisceboard.org

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  • Updated November 13, 2026 01:02 PM
  • by Mahalakshmi Karunakaran
  • Environmental Science (Subject Code 877) carries a total of 100 marks, including 70 marks for the three-hour theory examination and 30 marks for practical and project work. Students can download the official syllabus PDF to check the prescribed topics, assessment requirements and project guidelines.
  • Direct Link to ISC Class 12 Environmental Science Syllabus 2026-27

ISC Class 12 Syllabus 2026-27 - Overview

Board NameCouncil for the Indian School Certificate Examinations (CISCE)
ExaminationIndian School Certificate (ISC)
Class12th
SubjectEnvironmental Science
Subject Code877
Academic Session2026-27
Board Examination Year2027
Syllabus ModeOnline PDF
Official Websitecisce.org
  • cisce.org ↗Source-provided destination — verify before signing in or paying.

ISC Class 12 Environmental Science Syllabus 2026-27 PDF Download

  • CISCE has made the Environmental Science syllabus available for ISC Examination Year 2027. The official PDF contains the complete Class 12 theory syllabus, unit-wise subject content and practical/project work requirements.
  • Official Syllabus PDF: Download ISC Class 12 Environmental Science Syllabus 2026-27

ISC Class 12 Environmental Science Exam Pattern 2026-27

PaperExamination ComponentDurationMarks
Paper ITheory3 Hours70
Paper IIPractical/Project WorkAs per project requirements30
TotalTheory and Project-100
  • The ISC Class 12 Environmental Science examination consists of two papers. Paper I is a written theory examination of three hours, carrying 70 marks. Paper II covers practical and project work, carrying 30 marks.
  • CISCE does not prescribe a separate question paper for the practical/project component. Students must complete the prescribed project work under teacher supervision, and the work is evaluated by an approved visiting examiner.

ISC Class 12 Environmental Science Unit-Wise Syllabus 2026-27

SectionUnitUnit Name
A1Human Beings and Nature
A2Population and Conservation Ecology
A3Monitoring Pollution
B4Third World Development
B5Sustainable Agriculture
C6Environmental and Natural Resource Economics
C7International Relations and the Environment
  • The Environmental Science syllabus is organised into three sections containing seven units. Students must prepare the prescribed topics in all three sections for the theory examination.

How to Download ISC Class 12 Environmental Science Syllabus 2026-27 PDF?

  • Students can download the official ISC Environmental Science syllabus for Examination Year 2027 by following these steps:
  • Visit the official CISCE website at cisce.org.
  • Open the syllabus section for ISC examinations.
  • Select the regulations and syllabuses for Examination Year 2027.
  • Find Environmental Science (Subject Code 877).
  • Open the official Environmental Science syllabus PDF.
  • Read the Class XII syllabus and download the PDF for future reference.
  • cisce.org ↗Source-provided destination — verify before signing in or paying.

How to Prepare for ISC Class 12 Environmental Science Exam 2027?

  • Students should prepare for the examination by reviewing the official syllabus and organising their study schedule around all seven units. The subject includes conceptual topics, ecological processes, environmental case studies and practical applications.
  • Read the prescribed theory topics from all three sections.
  • Prepare concise notes on ecological theories, population growth and conservation methods.
  • Practise interpreting population growth curves and environmental indicators.
  • Review the important environmental case studies mentioned in the syllabus.
  • Understand the applications of environmental economics, international trade and sustainability.
  • Select a project topic early, particularly if it requires long-term monitoring or fieldwork.
  • Revise regularly and practise writing clear, structured answers.

ISC Class 12 Syllabus 2026-27 - Important Links

  • Direct Link to ISC Class 12 Environmental Science Syllabus 2026-27
  • CISCE Official Website
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Q1. Is the ISC Class 12 Environmental Science Syllabus 2026-27 available?

  • Yes. CISCE has published the ISC Class 12 Environmental Science syllabus for Examination Year 2027. Students can download the official PDF from the board's website to check the theory topics and practical/project requirements.

Q2. How many units are included in the ISC Class 12 Environmental Science syllabus?

  • The ISC Class 12 Environmental Science syllabus for 2026-27 includes seven units divided into three sections. The units cover ecology, population conservation, pollution monitoring, development, sustainable agriculture, environmental economics and international environmental relations.

Q3. What is the ISC Class 12 Environmental Science exam pattern for 2027?

  • The subject has two papers. Paper I is a three-hour theory examination carrying 70 marks, while Paper II consists of practical and project work carrying 30 marks. The total is 100 marks.
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