Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. The Atomic Energy Act of 1982 was introduced to deal with which of the following types of wastes?
[A] Electronic waste
[B] Non-biodegradable waste
[C] Radioactive waste
[D] None of the above
Show Answer
Correct Answer: C [Radioactive waste]
Notes:
The Atomic Energy Act of 1982 was introduced to deal with radioactive wastes. “Atomic Energy” refers to energy released from atomic nuclei as a result of any process, including the fission and fusion processes.
42. Genetic Engineering Approval Committee works under which of the following?
[A] Wildlife Protection Act 1972
[B] Ministry of climate change
[C] Ministry of science and technology
[D] Ministry of Environment, Forest and Climate Change
Show Answer
Correct Answer: D [Ministry of Environment, Forest and Climate Change]
Notes:
The Genetic Engineering Appraisal Committee also called as GEAC is an apex body created under the Ministry of Environment, Forest and Climate Change under ‘Rules for Manufacture, Use, Import, Export, and Storage of Hazardous Microorganisms/Genetically Engineered Organisms or Cells 1989’
43. Which is the only country in the world that forms the habitat of the “Reunion cuckooshrike”?
[A] Brazil
[B] Indonesia
[C] Australia
[D] France
Show Answer
Correct Answer: D [France]
Notes:
Reunion cuckooshrike is a passerine bird in the cuckooshrike family which is endemic to and found only in the mountain forest areas of the Reunion Island, an overseas region of France in the Indian Ocean. According to the IUCN Red List of Threatened Species, it is a “critically endangered” bird species.
44. Which of the following is a measurement of all greenhouse gases we individually produce and has units of tonnes (or kg) of carbon dioxide equivalent?
[A] Carbon footprint
[B] Primary footprint
[C] Secondary footprint
[D] Carbon diet
Show Answer
Correct Answer: A [Carbon footprint]
Notes:
Carbon Footprint is a measurement of all greenhouse gases that we produce individually and has units of tonnes (or kg) of carbon dioxide equivalent. It is made up of the sum of two parts, i.e., the primary footprint and the secondary footprint.
45. Which of the following is a vehicle that doesn’t emit tailpipe pollutants from the onboard source of power?
[A] BS VI vehicles
[B] Electric Vehicles
[C] ZEV vehicles
[D] Power vehicles
Show Answer
Correct Answer: C [ZEV vehicles]
Notes:
Zero emission vehicles which are also called as ZEV’s are those vehicles that do not emit any tailpipe pollutants such as carbon monoxide, carbon dioxide from the onboard source of power.
46. The Ozone-Depleting Substances (ODS) are found in which of the following layer of atmosphere ?
[A] Troposphere
[B] Stratosphere
[C] Mesosphere
[D] Ionosphere
Show Answer
Correct Answer: B [Stratosphere]
Notes:
The Ozone-Depleting Substances are Chlorofluorocarbons, HCFCs and Halons which are responsible for the depletion of ozone layer. These substances when transferred to Stratosphere cause the depletion of ozone layer.
47. Consider the following gases:
- Carbon dioxide
- Nitrogen
- Nitrous oxide
- Water vapour
Which of the above gases are considered as greenhouse gases?
[A] 1, 3 & 4
[B] 1 & 4
[C] 1 & 3
[D] 1, 2 & 4
Show Answer
Correct Answer: A [1, 3 & 4 ]
Notes:A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range, contributing to the greenhouse effect. The essential greenhouse gases in the Earth’s atmosphere include:
- Water vapor
- Carbon dioxide
- Methane
- Nitrous oxide
- Ozone
Here, Nitrogen is not considered a greenhouse gas.
48. Garampani Sanctuary is located at ______:
[A] Diphu, Assam
[B] Gangtok, Sikkim
[C] Junagarh, Gujarat
[D] Kohima, Nagaland
Show Answer
Correct Answer: A [Diphu, Assam]
Notes:
Garampani Wildlife Sanctuary is located in Karbi Anglong district, Assam. It is located at 92 km from Diphu. It is one of the oldest sanctuaries containing hot water spring and waterfalls and surrounded by Nambor Sanctuary having 51 rare species of orchid.
49. The term ‘Ecological sanitation’ is associated with:
[A] Plastic Waste
[B] Human excreta
[C] Air Pollution
[D] Vultures
Show Answer
Correct Answer: B [Human excreta]
Notes:
Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. This is a practical, hygienic, efficient and cost-effective solution to human waste disposal. With this composting method, human excreta can be recycled into a resource (as natural fertiliser), which reduces the need for chemical fertilisers.
50. Which of the following is regarded as the world’s largest sand island?
[A] K’gari (Fraser Island)
[B] Great Barrier Island
[C] North Stradbroke Island
[D] Moreton Island
Show Answer
Correct Answer: A [K’gari (Fraser Island)]
Notes:
K’gari, also known as Fraser Island, is recognized globally as the largest sand island. Located in Queensland, Australia, this World Heritage-listed island covers a vast expanse of 120 kilometers. Further adding to its ecological significance, it harbors varied ecosystems ranging from rainforests to perched freshwater lakes. Notably, it serves as a habitat for a pure breed of dingoes and is home to Boomanjin Lake, the world’s largest perched lake. The island carries a historic and cultural resonance as it was once associated with the Butchulla people and used as an Allied training base during World War II.
