Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. Which of the following is the nodal agency in the country for the United Nations Environment Programme (UNEP)?
[A] Ministry of Environment, Forest and Climate Change
[B] Central Pollution Control Board
[C] National Afforestation And Eco-Development Board
[D] None of the above
Show Answer
Correct Answer: A [Ministry of Environment, Forest and Climate Change]
Notes:
Ministry of Environment, Forest and Climate Change is the nodal agency in the country for the United Nations Environment Programme (UNEP). Its headquarters is located in New Delhi.
42. Which of the following countries does not come under the top 4 emitters of Greenhouse gases?
[A] China
[B] U.S.A
[C] Australia
[D] India
Show Answer
Correct Answer: C [Australia]
Notes:
According to the Emissions Gap Report which is released by the United Nations Environment Programme, the top four emitters of greenhouse gases globally are China, India, United States of America and the European Union.
43. Which of the following is the intentional release or dissemination of biological agents?
[A] Bioleaching
[B] Genetic erosion
[C] Bioterrorism
[D] None of the above
Show Answer
Correct Answer: D [None of the above]
Notes:
The intentional release or dissemination of biological agents is known as Bio-terrorism. These agents of bio-terrorism include bacteria, viruses, or toxins, and may be in a naturally occurring or a human-modified form.
44. Littoral and Swamp Forests can be seen in–
[A] Howrah
[B] Kolkata
[C] South 24 Pargana
[D] Hooghly
Show Answer
Correct Answer: C [South 24 Pargana ]
Notes:
Littoral and Swamp Forests also known as
The Mangrove Forests is found in Ganga-Brahmaputra delta (Sundarbans) i.e. in the districts of South 24
Parganas and Southern region of North 24 Parganas.
45. Which of the following represents the most complex trophic level?
[A] Species
[B] Ecosystem
[C] Population
[D] Community
Show Answer
Correct Answer: B [Ecosystem]
Notes:
In ecology, the trophic level is the position that an organism occupies in a food chain – what it eats, and what eats it. Ecosystem represents the most complex trophic level. Each species in an ecosystem is affected by the other species in that ecosystem. There are very few single prey-single predator relationships. Most prey are consumed by more than one predator, and most predators have more than one prey. It is also marked by multi trophic interactions that involve more than two trophic levels in a food web.
46. Which of the following is another name for the fish farming revolution?
[A] Blue revolution
[B] White revolution
[C] Yellow revolution
[D] Brown revolution
Show Answer
Correct Answer: A [Blue revolution]
Notes:
Blue Revolution means the adoption of a package programme to increase the production of fish and marine products. The Blue Revolution in India was started in 1970 during the Fifth Five-Year Plan when the Central Government sponsored the Fish Farmers Development Agency.
47. Kyoto Protocol, an agreement signed by various countries, is associated with ______:
[A] International Trade
[B] Building common food stock to save human beings from any natural disaster
[C] Clean Environment and Climate Change
[D] Deep Sea Oil and Mineral Exploration
Show Answer
Correct Answer: C [Clean Environment and Climate Change]
Notes:
The Kyoto Protocol was an international treaty which extended the 1992 United Nations Framework Convention on Climate Change that commits state parties to reduce greenhouse gas emissions, based on the scientific consensus that global warming is occurring and that human-made CO2 emissions are driving it.
48. Which among the following represents plateau phase in population?
[A] Birth rate and Death rate are equal
[B] Birth rate and death rate are not equal
[C] Birth rate is higher than death rate
[D] Death rate is more than birth rate
Show Answer
Correct Answer: A [Birth rate and Death rate are equal]
Notes:
During the plateau phase, population size is constant so no more growth occurs. This is the result of natality rate being equal to mortality rate and is caused by resources becoming scarce as well as an increase in predators, diseases and parasites.
49. Shivpuri National Park of Madhya Pradesh is important for _______:
[A] Birds
[B] Wild Buffalo
[C] Tiger and Elephant
[D] Leopard and Chital
Show Answer
Correct Answer: D [Leopard and Chital]
Notes:
The predominant wild animal species that inhabits the Park is the deer, of which the most easily sighted are the graceful little chinkara or Indian gazelle, and the chital. Other species that have their habitat in the park are nilgai, sambar, chausingha or four-horned antelope, blackbuck, sloth bear, leopard and the common langur.
50. Which of the following is correct order with respect to amount present in air?
[A] Nitrogen > carbon dioxide > oxygen
[B] Nitrogen > oxygen > carbon dioxide
[C] Oxygen > nitogen > carbon dioxide
[D] Carbon dioxide > nitrogen > oxygen
Show Answer
Correct Answer: B [Nitrogen > oxygen > carbon dioxide]
Notes:
By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% Argon, 0.04% carbon dioxide and small amount of other gases. Air also contains variable amount of water vapour, on average around 1% at sealevel and 0.4% over the entire atmosphere.