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 impact of Climate change on Agriculture and food security?
1) Climate Change can affect crop yield
2) Arable land along the coastlines will be reduced as a result of rising sea levels.
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:
Climate change poses a great threat to Agriculture and food security as Climate Change can affect crop yield as well as the types
of crops that can be grown in certain areas. It can also affect the Arable land present along the coastlines as the land will be reduced as a result of rising sea levels.
42. Which of the following are the sources of bio-energy?
1. organic residue
2. farm organic residue
3. forest residue
4. organic urban residue
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2, 3 & 4
[C] Only 1, 2 & 3
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Bioenergy is defined as renewable energy which is made available from materials derived from biological. The sources the sources of bio-energy include:
1. organic residue
2. farm organic residue
3. forest residue
4. organic urban residue
5. Algal residues
43. Which of the following statements are correct regrading Public Hearing in Environment Impact Assessment?
1. The public must be informed and consulted on any proposed development under a project.
2. Everyone who is affected by the proposed project is entitled to have access to the Executive Summary of the EIA.
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:
The public must be informed and consulted on any proposed development under a project. Everyone who is affected by the proposed project is entitled to have access to the Executive Summary of the EIA.
44. Which of the following statements are correct regarding Environment Impact Assessment Notification of 2006?
1. It divided developmental projects in two categories, i.e., Category A and Category B.
2. Category A’ projects are assessed at national level by the Impact Assessment Agency (IAA) and the Expert Appraisal Committee (EAC).
3. Category B projects are assessed at state level.
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:
Environment Impact Assessment Notification of 2006, divided developmental projects in two categories, i.e., Category A and Category B. Category A’ projects are assessed at national level by the Impact Assessment Agency (IAA) and the Expert Appraisal Committee (EAC). Category B projects are assessed at state level.
45. Where is Lingambudhi Lake located?
[A] Bengaluru
[B] Hubbali
[C] Mysuru
[D] Shivamogga
Show Answer
Correct Answer: C [Mysuru]
Notes:
Lingambudhi Lake is situated in Mysuru city, Karnataka. Mysuru is known for its lakes and parks, and Lingambudhi Lake is a well-known water body in this region. It serves as an important ecological and recreational area within the city limits.
46. Highest source of air pollution in the world is _____:
[A] Aircraft
[B] Automobiles
[C] Industries
[D] Household wastes
Show Answer
Correct Answer: B [Automobiles]
Notes:
According to the US Environmental Protection Agency (EPA), automobile emissions are the number one source of carbon monoxide, lead, nitrogen oxides, and volatile organic compounds released into the atmosphere that are primarily responsible for air pollution. Industrial processes are the number two cause of lead pollution in the air, following automobile emissions.
47. An organism which can monitor air pollution is ____:
[A] Bacteria
[B] Lichen
[C] Algae
[D] Fungi
Show Answer
Correct Answer: B [Lichen]
Notes:
Lichens can be used as air pollution indicators, especially of the concentration of sulphur dioxide in the atmosphere. Air pollutants dissolved in rainwater, especially sulphur dioxide, can damage lichens, and prevent them from growing. This makes lichens natural indicators of air pollution.
48. In an ecosystem, the movement of energy towards the higher trophic levels is:
[A] Multi-directional
[B] Unidirectional
[C] Undefined
[D] None of the flow
Show Answer
Correct Answer: B [Unidirectional]
Notes:
In any ecosystem, there is conversion of inorganic into organic material with the help of the radiant energy of the sun by the autotrophs; consumption of the autotrophs by heterotrophs; decomposition and mineralisation of the dead matter to release them back for reuse by the autotrophs, these events are repeated over and over again. There is unidirectional movement of energy towards the higher trophic levels and its dissipation and loss as heat to the environment.
49. To which of the following is Goldman Award related?
[A] Environment
[B] Scientific research
[C] Medical science
[D] Agricultural science
Show Answer
Correct Answer: A [Environment]
Notes:
The Goldman Environmental Prize is a prize awarded annually to grassroots environmental activists, one from each of the world’s six geographic regions: Africa, Asia, Europe, Islands and Island Nations, North America, and South and Central America. It was created in 1990 by philanthropists Richard N. Goldman and his wife, Rhoda H. Goldman.
50. What fraction of world’s fish species are provided shelter by Great Barrier Reef?
[A] 10%
[B] 25%
[C] 50%
[D] 75%
Show Answer
Correct Answer: A [10%]
Notes:
The Great Barrier Reef, a UNESCO World Heritage Site, is the world’s largest coral reef system, spanning 2,300 kilometers and covering 344,400 square kilometers. It is home to 10% of the world’s fish species, 400 types of coral, and six of the seven species of marine turtles. The reef is composed of over 2,900 individual reefs and 900 islands, with the widest sections reaching up to 65 kilometers. It is visible from space and supports a diverse array of marine life, including whales, dolphins, and sharks. The reef has been listed as one of the Seven Natural Wonders of the World since 1997. Despite its natural beauty, the reef faces threats from climate change, coral bleaching, and pollution, with UNESCO recommending it for the In Danger list due to these impacts.