ISC Class 12 Environmental Science Question Paper 2026 with Answer key: Download PDF

Today, on Monday, March 2, 2026, the Council for the Indian School Certificate Examinations (CISCE) conducted the ISC Class 12 Environmental Science (Paper 1) exam. The exam was conducted during the afternoon shift, which started at 2:00 PM and ended at 5:00 PM. Additional 15 minutes were offered for reading time beginning at 1:45 PM to read the question paper before the exam. 

The Environmental Science paper followed a 70 mark structure, with 30 marks added for practical and project-based internal assessments. The paper included questions such as sustainable development, biodiversity, resource management, and environmental regulations. From the article students can access the ISC Class 12 Environmental Science question paper and answer key 2026 along with other details. 

Also check: ISC Class 12th Question Papers 2026

ISC Class 12 Environmental Science Exam 2026: Key Highlights

The table contains key details on the ISC Class 12 Environmental Science exam following total marks and timing updates. 

ISC Class 12 Environmental Science Question Paper 2026: Download PDF 

Students can access the ISC Class 12 Environmental Science question paper for the academic session 2025-26. Since it has yet to be released by the board students can utilise the PDF shared here to evaluate their performance. 

Students can anticipate questions from the table which will be updated soon.

ISC Class 12 Environmental Science: Exam Pattern 2026

Here students can check for question paper pattern for the 2026 Class 12 Environmental Science exam to review and understand the science specialized subject. 

Part I (20 marks) is compulsory.

• Contains 14 to 20 sub-parts (short-answer questions).

• Covers the complete course and tests essential definitions, laws, and basic ideas.

Part II (50 Marks): Descriptive

• This component is broken into three pieces (A, B, and C).

• Each section normally includes three questions.

• Students must answer five questions in total, including at least one from each part. Each question in this section carries ten points.

Topic Weightage  

ISC Class 12 Environmental Science Answer Key 2026: Download PDF 

Given here is a link to access the ISC Class 12 Environmental Science answer key PDF. As the board will soon release the answer key, within the end of the month, students can anticipate a direct link to download the PDF from here. 

ISC Class 12 Important Exam Dates 2026

Students can find a complete ISC Class 12 Date-sheet from here to stay updated on later exams. 

Check: ISC 12th Time Table 2026: Download OFFICIAL CISCE Board Class 12 Date Sheet PDF