Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App
41. Which of the following statements are correct regarding the National Biodiversity Authority?
1) It was established in 2003.
2) It is headquartered at Chennai.
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 National Biodiversity Authority also called as NBA is a statutory autonomous body, under the Ministry of Environment and Forests, Government of India. It was established in 2003 and headquartered in Chennai.
42. which of the following are the examples of fluorinated gases?
1. hydrofluorocarbons (HFCs)
2. perfluorocarbons (PFCs)
3. sulfur hexafluoride (SF6)
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 2
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Fluorinated gases are man-made gases that can stay in the atmosphere for centuries . They contribute to global warming. There are three main categories of fluorinated gases—
1. hydrofluorocarbons (HFCs),
2. perfluorocarbons (PFCs), and
3. sulfur hexafluoride (SF6).
43. The International Tsunami information centre is located at which of the following places?
[A] Goa
[B] Jakarta
[C] Canbera
[D] Honolulu
Show Answer
Correct Answer: D [Honolulu]
Notes:
The International Tsunami Information Centre also termed as ITIC was established in November 1965 by the Intergovernmental Oceanographic Commission (IOC) of the United Nations Educational, Scientific and Cultural Organization. It is located at Honolulu.
44. Which of the following statements are correct regarding components of Environment Impact Assessment?
1. There are two components of EIA, i.e., Comprehensive EIA and Rapid EIA.
2. Rapid EIA is for speedier appraisal process.
3. Comprehensive EIA collects data fwith respect to all four seasons.
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:
There are two components of Environment Impact Assessment, i.e., Comprehensive EIA and Rapid EIA. Rapid EIA is for speedier appraisal process. Comprehensive EIA collects data fwith respect to all four seasons.
45. Which of the following is a lake with low primary productivity as a result of low nutrient content?
[A] Eutrophic lake
[B] Oligotrophic Lake
[C] Mesotrophic lakes
[D] None of the above
Show Answer
Correct Answer: B [Oligotrophic Lake]
Notes:
The lakes which have low primary productivity as a result of low nutrient content are known as Oligotrophic Lake. These lakes have very low algal production therefore they often have very clear waters, with high drinking-water quality.
46. In which type of forest rosewood, Mahogany, Dhupa trees are found?
[A] Mixed Forest
[B] Deciduous Forest
[C] Evergreen Forest
[D] None of the above
Show Answer
Correct Answer: C [Evergreen Forest]
Notes:
Tall trees like rosewood, mahogany, kino, teak, dhupa, and hebbalasu grow in Evergreen Forest.
47. The resources which are obtained from bio sphere and have life are ____:
[A] Potential resources
[B] Biotic resources
[C] Abiotic resources
[D] Renewable resources
Show Answer
Correct Answer: B [Biotic resources]
Notes:
Biotic resources describe living or once living resources of a community; for example organisms, such as plants and animals wood, alkaloids, latex obtained from plant are also biotic resources. They are obtained from the biosphere and have life. The resources which are composed of non-living things are called Abiotic Resources. For example, water, minerals, metals, wind, solar energy etc.
48. Solar energy is converted into chemical energy during ____:
[A] Photosynthesis
[B] Combustion
[C] Transition
[D] Fusion
Show Answer
Correct Answer: A [Photosynthesis]
Notes:
Photosynthesis in plants converts radiant energy from the sun into chemical energy in the form of glucose (sugar) using electrons and protons from water. Plants take in water, carbon dioxide, and sunlight and turn them into glucose and oxygen. Water (6H2O) + Carbon Dioxide (6CO2) + Sunlight (Radiant Energy) = Glucose (C6H12O6) + Oxygen (6O2).
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.
