Environmental Studies

BEVAE-181 important topics

The eGyanKosh units IGNOU has examined most, from 7 past papers. Matched automatically from question wording.

1. Block 2, Unit 7: Energy resources ↗Asked almost every time: in 7 of 7 papers
2. Block 2, Unit 4: Land and water resources ↗Asked often: in 3 of 7 papers
3. Block 3, Unit 11: Global environmental issues ↗Asked often: in 3 of 7 papers
4. Block 3, Unit 10: Waste management ↗Asked sometimes: in 2 of 7 papers
5. Block 1, Unit 2: Ecosystems ↗Asked sometimes: in 2 of 7 papers
6. Block 1, Unit 3: Major ecosystem ↗Asked sometimes: in 2 of 7 papers
7. Block 3, Unit 9: Environmental pollution and hazards ↗Asked sometimes: in 2 of 7 papers
8. Block 3, Unit 8: Biodiversity: threats and conservation ↗Asked sometimes: in 1 of 7 papers

BEVAE-181 assignment

The latest BEVAE-181 assignment is valid for the July 2026 & January 2027 sessions, number BCA_NEW/BCAOL(I)181/Assign/2026-27. It carries 100 marks and 30% of your final grade. Due 31 Oct 2026 for the July 2026 session or 30 Apr 2027 for the January 2027 session.

BEVAE-181 previous-year question papers

Official term-end exam papers for Environmental Studies, published by IGNOU. Each one opens on IGNOU’s website.

• June 2024BEVAE-181 term-end exam, official PDF↗
• December 2023BEVAE-181 term-end exam, official PDF↗
• June 2023BEVAE-181 term-end exam, official PDF↗
• December 2022BEVAE-181 term-end exam, official PDF↗
• June 2022BEVAE-181 term-end exam, official PDF↗
• December 2021BEVAE-181 term-end exam, official PDF↗
• December 2020BEVAE-181 term-end exam, official PDF↗

Important Environmental Studies questions

60 questions have come in more than one BEVAE-181 exam. They are listed first. The text is taken from IGNOU’s official papers, so open the paper for figures and exact wording.

1. June 2024 · Q26Asked 3 times

   ‘Sludge gas’ largely consists of: (1) Carbon dioxide (2) Sulphur dioxide (3) Hydrogen sulphide (4) Methane

2. December 2023 · Q35Asked 3 times

   Which one of the following is not a waste minimisation method? (1) Process modification (2) Waste segregation (3) Recycling of waste (4) Waste concentration

3. June 2022 · Q31Asked 3 times

   ‘Sludge gas’ largely consists of: (1) sulphur dioxide (2) hydrogen sulphide (3) carbon dioxide (4) methane

4. June 2022 · Q41Asked 3 times

   What would be the best method for disposal of radioactive nuclear waste? (1) Dumping at sea (2) Underground disposal (3) Landfill disposal (4) Incineration

5. December 2022 · Q24 · 9 marksAsked 3 times

   Sludge gas largely consists of: (1) carbon dioxide (2) sulphur dioxide (3) methane (4) hydrogen sulphide

6. December 2021 · Q45 · 17 marksAsked 3 times

   Which one of the following is not a method of waste minimisation? (1) Process modification (2) Waste concentration (3) Treatment of waste (4) Waste segregation

7. December 2020 · Q47Asked 3 times

   Which is not a waste minimisation method? (1) Process modification (2) Waste concentration (3) Waste segregation (4) Landfill

8. June 2024 · Q2Asked 2 times

   Who developed the concept of ‘Determinism’? (1) Alexander Von Humboldt (2) Lucien Febre (3) Ellisworth Huntington (4) Friedrich Ratzel

9. June 2024 · Q20Asked 2 times

   Which of the following has the maximum genetic diversity in India? (1) Tea (2) Mango (3) Teak (4) Wheat

10. June 2024 · Q25Asked 2 times

    The most suitable fuel for a fuel cell is: (1) hydrogen (2) nitrogen (3) water (4) carbon dioxide

11. June 2024 · Q27Asked 2 times

    Artificial insemination is useful for: (1) Ducks (2) Elephants (3) Snakes (4) Lizards

12. June 2024 · Q28Asked 2 times

    Fostering as a conservation technique is found successful in: (1) Whooping crane (2) Black footed ferret (3) Angus cow (4) Seed plants BEVAE-181 (11)

Environmental Studies study material

IGNOU publishes the full BEVAE-181 self-learning material free on eGyanKosh: every block and unit on environment and environmental studies, natural resources, environmental issues and concerns and protecting our environment: policies and practices.