Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. Central Zoo Authority was established in which of the following years?
[A] 1991
[B] 1992
[C] 1993
[D] 1994
Show Answer
Correct Answer: B [1992]
Notes:
The Central Zoo Authority was established as a statutory body under the Ministry of Environment & Forests and climate change by the Government of India in the year 1992. It is responsible for oversight of zoos.
42. Mount Etna volcano is present at which of the following places?
[A] Japan
[B] Italy
[C] India
[D] Iran
Show Answer
Correct Answer: B [Italy]
Notes:
Mount Etna, which is also called as Etna, is an active stratovolcano also known as a composite volcano on the east coast of Sicily, Italy. It is located just above the convergent plate margin between the Eurasian Plate and the African Plate.
43. Which of the following statements are correct regarding Wildlife corridor or Green corridor?
1. It is an area of habitat which connects wildlife populations separated by human activities.
2. Wildlife corridors may be both natural or created.
3. These corridors help animals that move between isolated patches on a daily basis and also those that migrate between habitats seasonally.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Wildlife corridor or Green corridor is an area of habitat which connects wildlife populations separated by human activities. Wildlife corridors may be both natural or created. These corridors help animals that move between isolated patches on a daily basis and also those that migrate between habitats seasonally.
44. Which of the following statements is/are correct regarding the Land Use, Land-Use Change, and Forestry?
1) It is a greenhouse gas inventory sector.
2) It can provide a relatively cost-effective way of offsetting emissions.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Land Use, Land-Use Change, and Forestry, which is also termed as LULUCF is a green house inventory sector. It provides us a relatively cost-effective way of offsetting the green house emissions.
45. What amount of rainfall does an area typically receive to support grasslands and shrubs kind of vegetation?
[A] Less than 25 cm
[B] Between 25 cm and 75 cm
[C] Between 75 cm to 150 cm
[D] More than 150 cm
Show Answer
Correct Answer: B [Between 25 cm and 75 cm]
Notes:
Grasslands and shrubs ecosystems typically flourish in areas that receive 25 cm to 75 cm of rainfall per year. This range of rainfall is not sufficient for supporting dense forests but is adequate for grasses and shrubs. The richness and distribution of species are greatly affected by rainfall patterns and seasonality. Knowing the amount of rainfall helps in predicting vegetation type in a particular region, which is crucial for management and conservations strategies.
46. Why do Mangrove trees have breathing roots?
[A] The roots prevent soil erosion
[B] To store oxygen up to 4 days
[C] The roots are the only place where photosynthesis is done
[D] To obtain oxygen from the air
Show Answer
Correct Answer: D [To obtain oxygen from the air]
Notes:
The trees of mangrove forest having
breathing roots, which are usually very large to stand in deep mud. The necessity of Mangrove having breathing roots is to obtain oxygen from the atmosphere, while the soil in which mangroves grow are poor in oxygen.
47. Which of the following is a biotic component of environment?
[A] Energy
[B] Radiation
[C] Water
[D] Green plant
Show Answer
Correct Answer: D [Green plant]
Notes:
Biotic components are the living things that shape an ecosystem. Examples of biotic components include animals, plants, fungi, and bacteria. Abiotic components are non-living components that influence an ecosystem. Examples of abiotic factors are temperature, air currents, and minerals.
48. Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
[A] Eco-niche
[B] Ecosystem
[C] Ecozone
[D] Habitat
Show Answer
Correct Answer: B [Ecosystem]
Notes:
An ecosystem is a community of living organisms in conjunction with other living and nonliving components of their environment, interacting as a system. The nature of the organisms—the species, functional groups and trophic levels to which they belong—dictates the sorts of actions these individuals are capable of carrying out, and the relative efficiency with which they do so.
49. 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.
50. 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.
