RRB Group D - Environmental issues and conservation topics One Line Questions & Answers

1. Which of the following is an example of a 'keystone species'? — A species whose removal causes significant ecosystem disruption (e.g., sea otter)

2. The 'Chipko Movement' in India is a significant example of: — Forest conservation through non-violent resistance

3. Which element is essential for plant growth but can become a pollutant when present in excess in water bodies? — Nitrogen

4. Which gas is a major component of biogas, a renewable energy source? — Methane

5. Acid rain is caused by the emission of which two pollutants into the atmosphere? — Sulfur Dioxide and Nitrogen Oxides

6. Which environmental disaster in India, occurring in 1984, involved a leak of methyl isocyanate gas? — Bhopal disaster

7. The 'Ganges River Dolphin' is an endangered species primarily threatened by: — Pollution and habitat degradation

8. Which international convention aims to combat desertification and mitigate the effects of drought? — United Nations Convention to Combat Desertification (UNCCD)

9. What is meant by 'sustainable development'? — Development that meets the needs of the present without compromising the ability of future generations to meet their own needs

10. Which natural disaster is often exacerbated by deforestation and poor land management? — Floods and landslides

11. The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture is called: — Desertification

12. The 'Earth Summit' held in Rio de Janeiro in 1992 was a landmark event focused on: — Sustainable development and environmental protection

13. The depletion of the ozone layer is mainly caused by: — Chlorofluorocarbons (CFCs)

14. What is the process of converting waste materials into new materials and objects? — Recycling

15. Which of the following is a method of waste management that involves decomposition of organic matter? — Composting

16. Which of the following is a major consequence of thermal pollution in water bodies? — Reduced dissolved oxygen, harming aquatic life

17. What is the primary cause of ocean acidification? — Absorption of excess atmospheric carbon dioxide by seawater

18. Which environmental issue is directly linked to the melting of glaciers and polar ice caps? — Sea level rise

19. What is the primary environmental concern associated with the use of pesticides and herbicides? — Water and soil contamination, harming wildlife and humans

20. Which international treaty aims to protect the ozone layer by phasing out the production of ozone-depleting substances? — Montreal Protocol

21. Which international agreement focuses on the conservation of biological diversity? — Convention on Biological Diversity (CBD)

22. The 'Paris Agreement' aims to limit global warming to well below 2, preferably to 1.5 degrees Celsius, compared to pre-industrial levels. What is its primary mechanism? — Nationally Determined Contributions (NDCs) from participating countries

23. Which of the following is an example of a renewable energy source? — Biomass

24. The 'Silent Spring' by Rachel Carson is a seminal work that highlighted the dangers of: — Pesticides, particularly DDT

25. Deforestation contributes to which major environmental problem? — Soil erosion and desertification

26. Which of the following is a significant threat to coral reefs? — Ocean acidification and rising sea temperatures

27. What is the primary cause of eutrophication in water bodies? — Excessive nutrient enrichment (nitrogen and phosphorus)

28. Which gas is primarily responsible for the greenhouse effect, trapping heat in Earth's atmosphere? — Carbon Dioxide

29. The 'Wetlands (Conservation and Management) Rules, 2017' in India are aimed at: — Protecting and managing the country's wetlands

30. The 'Kyoto Protocol' is an international treaty that commits countries to: — Reduce greenhouse gas emissions

31. What is the primary environmental impact of burning fossil fuels? — Release of greenhouse gases and air pollutants

32. What is the principle behind 'carbon sequestration'? — Capturing and storing atmospheric carbon dioxide

33. Which renewable energy source harnesses the power of moving air? — Wind energy

34. Which renewable energy source utilizes heat from within the Earth? — Geothermal energy

35. Which of the following is a non-renewable source of energy? — Coal

36. What is the term for the variety of genes within a species? — Genetic diversity

37. The term 'endemic species' refers to: — Species that are found only in a specific geographic area

38. What is 'urban sprawl'? — The growth of cities into rural areas, often with low-density development

39. The term 'ecological footprint' measures: —

40. The term 'carrying capacity' in ecology refers to: — The maximum population size that a given environment can sustain

41. What is 'bioremediation'? — Using living organisms to remove pollutants from the environment

42. What is 'water harvesting'? — The collection and storage of rainwater

43. Biodiversity refers to: — The variety of life forms within a given ecosystem

44. What is the main environmental benefit of using solar panels? — They generate electricity without emitting greenhouse gases

45. What is the primary goal of 'Reduce, Reuse, Recycle'? — To minimize waste generation and conserve resources

46. What is the main goal of conservation efforts? — To protect and preserve natural resources and ecosystems

47. What is the primary goal of 'Zero Waste' initiatives? — To reduce waste generation and maximize recycling and reuse

48. Which of the following is a major source of plastic pollution in oceans? — Runoff from land-based activities and direct dumping

49. Which type of pollution is caused by excessive noise levels? — Noise pollution

50. Which international organization is dedicated to environmental protection and sustainable development, publishing reports on the state of the environment? — United Nations Environment Programme (UNEP)

Environmental issues and conservation topics - One Line Questions