Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
41. Arrange the following gases in the increasing order of Global warming potential:
1) Methane
2) Nitrous oxide
3) Perfluoro carbons
4) Sulfur hexafluoride
Select the correct option from the codes given below:
[A] 1, 2, 3, 4
[B] 2, 1, 3, 4
[C] 1, 2, 4, 3
[D] 2, 1, 4, 3
Show Answer
Correct Answer: A [1, 2, 3, 4]
Notes:
Carbon dioxide (CO2) has a GWP of 1 and serves as a baseline for other GWP values. GWP of Methane is 21. GWP of Nitrous oxide is 310, GWP of Perfluorocarbons is 140-11,700, and GWP of Sulfur hexafluoride is 23,900. Hence the correct sequence is 1, 2, 3, 4.
42. The ozone layer is present in which of the following layers of the atmosphere?
[A] Troposphere
[B] Stratosphere
[C] Mesosphere
[D] Thermosphere
Show Answer
Correct Answer: B [Stratosphere]
Notes:
Ozone is a natural gas and an allotrope of oxygen. The ozone layer is very important because it protects us from the harmful ultraviolet radiation coming from the sun. The ozone layer is present in Stratosphere at a height ranging from 15 to 30 cm.
43. Which of the following are the advantages of Bio-Energy?
1. It is capital efficient.
2. It has high energy generation potential.
3. It has significant carbon emission reduction potential.
4. It is helpful in wasteland regeneration.
Select the correct option from the codes give below:
[A] Only 1 & 2
[B] Only 2, 3 & 4
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Some of the advantages of Bio-Energy are as follows:
1. It is capital efficient.
2. It has high energy generation potential.
3. It has significant carbon emission reduction potential.
4. It is helpful in wasteland regeneration.
44. 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.
45. The Screening Criteria under Environment Impact Assessment are based upon which of the following?
1. Scales of investment
2. Type of development
3. Location of development
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:
The Screening Criteria under Environment Impact Assessment are based upon the following:
1. Scales of investment
2. Type of development
3. Location of development
46. Which of the following statements are correct regarding BioWeb?
1. It is a network of web-enabled biological devices which extends an internet of things to the Internet of Living Things of natural sensory devices.
2. These devices provide insights to real-time ecological data and feedback to changes in the environment.
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:
BioWeb is a network of web-enabled biological devices which expands an internet of things to the Internet of Living Things of natural sensory devices. These devices provide insights to real-time ecological data and feedback to changes in the environment.
47. The Umbrella Group is a negotiation group consisting of how many countries?
[A] 9
[B] 10
[C] 11
[D] 12
Show Answer
Correct Answer: D [12]
Notes:
The Umbrella Group is a loose coalition of non-European Union developed countries. It was formed after the adoption of the Kyoto Protocol. The umbrella group consists of 12 countries although there is no formal membership.
48. Which of these is not a species of Sub-alpine Forests?
[A] Birch
[B] Rhododendrons
[C] Oak
[D] All of the above
Show Answer
Correct Answer: D [All of the above ]
Notes:
The species commonly found in Sub-alpine Forests are junipers, birch, rhododendrons,
berberis, maling bamboo, laurel, etc. Oak and magnolia occur around the region of
Kalimpong. In the upper Singalila range, dwarf rhododendrons, meadows and
small flowering bushes occur.
49. Green House Effect means _____:
[A] Cultivation of crops in green house to conserve heat
[B] Trapping of solar energy due to carbon dioxide gases
[C] Trapping of solar energy by earth upper surface
[D] Increase of heat due to atmospheric pollution
Show Answer
Correct Answer: B [Trapping of solar energy due to carbon dioxide gases]
Notes:
Green House Effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric green house gases and is re-radiated in all directions. It results an increase in average temp of the planet.
50. Which of the following is a Floating National Park of India?
[A] Similipal
[B] Namdapha
[C] Eravikulam
[D] Keibul Lamjao
Show Answer
Correct Answer: D [Keibul Lamjao]
Notes:
The Keibul Lamjao National Park is a national park in the Bishnupur district of the state of Manipur in India. It is 40 km2 (15.4 sq mi) in area, the only floating park in the world, located in North East India, and an integral part of Loktak Lake.
