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/are the chief sources of Brown Carbon?
1) Biomass burning
2) smoke from agricultural fires
3) Vehicular Smoke
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 2 & 3
[D] Only 3
Show Answer
Correct Answer: A [Only 1 & 2]
Notes:
Brown carbon is brown smoke which is released by the combustion of organic matter along with black carbon. Some of the sources of Brown carbon are:
1) Biomass burning or domestic burning of wood.
2) smoke from agricultural fires
42. Which of the following heads the National Disaster Management Authority(NDMA)?
[A] President
[B] Prime Minister
[C] Chief Minister
[D] Governor
Show Answer
Correct Answer: B [Prime Minister]
Notes:
The National Disaster Management Authority, which is also termed as NDMA, is an apex body of the Government of India which mandates to lay down different policies for disaster management. It is headed by the Prime Minister of India.
43. Which of the following are micro-organisms that can live within the pore interstices of sedimentary and even igneous rocks to depths of several kilometers?
[A] Lithotroph
[B] Hemotrophs
[C] Lithophiles
[D] Phototrophs
Show Answer
Correct Answer: C [Lithophiles]
Notes:
Micro-organisms that can live within the pore interstices of sedimentary and even igneous rocks to depths of several kilometers are referred to as Lithophiles. Some of these mico-organisms are known to live on surface rocks, and make use of photosynthesis for energy.
44. Study of organisms in relation to their environment is called ____:
[A] Zoology
[B] Ecology
[C] Entomology
[D] Palynology
Show Answer
Correct Answer: B [Ecology]
Notes:
Ecology is the scientific study of interactions among organisms and their environment, such as the interactions organisms have with each other and with their abiotic environment. Topics of interest to ecologists include the diversity, distribution, amount (biomass), number (population) of organisms, as well as competition between them within and among ecosystems.
45. 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.
46. What was the main aim of Montreal Protocol?
[A] To reduce the use of automobiles.
[B] Trading of carbon dioxide emissions.
[C] To reduce the emissions of greenhouse gases.
[D] To reduce the production of ozone destroying agents like CFCs and Halons.
Show Answer
Correct Answer: D [To reduce the production of ozone destroying agents like CFCs and Halons.]
Notes:
The Montreal Protocol on Substances that Deplete the Ozone Layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion. It is a protocol to the Vienna Convention for the Protection of the Ozone Layer. It entered into force on 1 January 1989.
47. Montreal Protocol is related to which of the following?
[A] Ozone layer
[B] E-waste
[C] Water pollution
[D] None of the above
Show Answer
Correct Answer: A [Ozone layer]
Notes:
The Montreal Protocol on Substances that Deplete the Ozone Layer was designed to reduce the production and consumption of ozone depleting substances in order to reduce their abundance in the atmosphere, and thereby protect the earth’s fragile ozone Layer. The original Montreal Protocol was agreed on 16 September 1987 and entered into force on 1 January 1989. In 1995, the United Nations named September 16 the International Day for the Protection of the Ozone Layer, also known as World Ozone Day.
48. Which one of the following is an indicator of air pollution?
[A] Cycas
[B] Algae
[C] Bryophytes
[D] Lichens
Show Answer
Correct Answer: D [Lichens]
Notes:
Lichens are found in both nature and in human-made environments, including rocks, trees, barren earth, metal and concrete. They are sensitive to air pollution because they receive all nutrients from the atmosphere, which makes them valuable as indicator species. The presence of sulphur dioxide force them to perish.
49. Which of the following is a National Park, Wildlife Sanctuary, UNESCO Natural World Heritage site, Project Tiger Reserve, Elephant Reserve as well as a Biosphere Reserve?
[A] Bandipur
[B] Gir
[C] Manas
[D] Rohla
Show Answer
Correct Answer: C [Manas ]
Notes:
- Bandipur National Park, established in 1973 as a tiger reserve under Project Tiger, is a national park located in the south Indian state of Karnataka.
- The Gir Forest National Park and Wildlife Sanctuary is a forest and wildlife sanctuary in Gujarat.
- Manas National Park or Manas Wildlife Sanctuary is a Wildlife Sanctuary, UNESCO Natural World Heritage site, a Project Tiger Reserve, an Elephant Reserve and a Biosphere Reserve in Assam.
- Rohla National Park in Kulu, Himachal Pradesh, is known for snow leopards.
50. Asian Waterbird Census is conducted by which of the following?
[A] Birdlife international
[B] Bombay Natural History Society
[C] World Organization for animal health
[D] Animal Welfare Institute
Show Answer
Correct Answer: B [Bombay Natural History Society ]
Notes:
- The Asian Waterbird Census is conducted in January each year and is coordinated by the Wetlands International South Asia and the Bombay Natural History Society in india.
- It is an integral part of the global waterbird monitoring programme, the International Waterbird Census (IWC), coordinated by Wetlands International.
- It was initiated in 1987 in the Indian subcontinent and since has grown rapidly to cover major region of Asia.
- It is the longest-running citizen science initiative.
- Under this initiative, systematic counting and monitoring of waterbirds is undertaken to study trends and condition of wetlands, covering hundreds of sites.