ISC 2024 Environmental Science Question Paper for Class 12

About this paper

This is the ISC Class 12 Environmental Science paper (code 877) set by CISCE for the 2024 board examination. It carries 70 marks, runs for three hours plus fifteen minutes of reading time, and has 12 compulsory questions in three sections. Section A is a set of objective and very short answer items, including an assertion–reason question, an analogy and expanded forms. Section B has short answers and Section C long answers, with internal choices in a few questions. Several questions are built on short cases: pickling raw mangoes, milk adulteration, Bogotá's traffic system, the Bengal Famine and a walker affected by city air pollution. One Section B question is based on an image of an illegal trade. This copy has the questions only.

Exam

ISC Class 12

Subject

Environmental Science

Year

2024

Paper code

877

Maximum marks

70

Time allowed

3 hours + 15 min reading

Questions

12

Pages

6

Answers included

No, questions only

Paper pattern

• Section A

  14 marks

  Question 1: multiple-choice, assertion–reason, one-word, analogy, expanded-form and define-the-term items

• Section B

  28 marks

  Questions 2–8, short answers of four marks each; internal choice in Questions 2 and 3

• Section C

  28 marks

  Questions 9–12, long answers of seven marks each; internal choice in Question 10

Topics covered

• Food preservation and food adulteration
• Social ecology and environmental thinkers
• Tribal communities and forest rights
• World Trade Organization
• New Urbanism and sustainable transport
• Population ecology and survivorship curves
• Irrigation and rainwater harvesting
• Wildlife trade
• Food security and the Green Revolution
• Cost benefit analysis and intellectual property rights
• Air pollution and its control

Questions from this paper

1. What is social ecology? State any three principles of social ecology.
2. State any four features of New Urbanism.
3. Traffic system of Bogotá is an ideal example of innovative measures taken by a government for sustainable traffic management. Justify this by stating any four such measures.
4. Discuss any three reasons for the Bengal Famine in colonial India, and name the agricultural revolution India adopted to achieve food security.
5. Rainwater harvesting is the best solution to handle the problem of water crisis in urban areas. Support this statement with four valid reasons.
6. Discuss the three types of survivorship curves with a suitable example for each.