Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
1. Stockholm Convention is a global treaty associated with which of the following?
[A] Protect the environment from Persistent Organic Pollutants
[B] Phasing out hydro-fluorocarbons
[C] Control of Transboundary Movements of Hazardous Wastes and Their Disposal
[D] Sustainable use of Biodiversity
Show Answer
Correct Answer: A [Protect the environment from Persistent Organic Pollutants]
Notes:
The Stockholm Convention is a global treaty to protect human health and the environment from persistent organic pollutants (POPs). POPs are chemicals that remain intact in the environment for long periods, become widely distributed geographically, accumulate in the fatty tissue of living organisms and are toxic to humans and wildlife.
2. In which state is located Manas sanctuary?
[A] Assam
[B] Bihar
[C] Uttarakhand
[D] Tamil Nadu
Show Answer
Correct Answer: A [Assam]
Notes:
The Manas Wildlife Sanctuary is a UNESCO Natural World Heritage site, a Project Tiger reserve, an elephant reserve and a biosphere reserve in Assam. It is a home to a great variety of wildlife, including many endangered species viz. tiger, pygmy hog, Indian rhinoceros and Indian elephant.
3. Which among the following is the closest to the meaning of “Silviculture”?
[A] Cultivation of Silk Worms
[B] Cultivation of Textile Crops
[C] Forest Development
[D] Cultivation of Timber
Show Answer
Correct Answer: C [Forest Development]
Notes:
Silviculture is the practice of managing and caring for forests to promote their growth and development. It involves a range of activities, such as planting and tending to young trees, thinning out overcrowded areas, and controlling pests and diseases. The goal of silviculture is to create healthy, thriving forests that provide a range of benefits, including clean air and water, wildlife habitat, and timber for various uses.
4. India’s first Butterfly Park was established at which among the following National Parks?
[A] Bannerghatta National Park, Karnataka
[B] Nagarhole National Park, Karnataka
[C] National Zoological Park Calcutta
[D] Kaziranga National Park, Assam
Show Answer
Correct Answer: A [Bannerghatta National Park, Karnataka]
Notes:
Bannerghatta National Park was founded in the year 1970 and it was declared as a national park in 1974. It is located near Bangalore, Karnataka. The first butterfly enclosure in India is located in this National Park. Apart from that, the park has a zoo, an animal rescue centre, a snake house, a pet corner, an aquarium, and a safari park.
5. Which among the following is a correct definition of an Ecotone?
[A] a transition between two types of ecosystems particularly plant communities
[B] a transition between two types of ecosystems particularly soil structure & chemical Composition
[C] a transition between two types of mountain ranges
[D] a transition between two types of ecosystems such as water and land
Show Answer
Correct Answer: A [a transition between two types of ecosystems particularly plant communities]
Notes:
An ecotone is defined as the transition area between two biological communities, where two communities meet and integrate. It may be narrow or else wide, local as well as regional.
6. Margosa oil is obtained from which of the following trees?
[A] Babul
[B] Neem
[C] Ficus
[D] Bamboo
Show Answer
Correct Answer: B [Neem]
Notes:
Margosa oil comes from the neem tree, which is native to India. It has been used for centuries in traditional Indian medicine to treat skin conditions, fever, infections, and inflammation. Rich in antioxidants and fatty acids, margosa oil is valued for its moisturizing, antifungal, and antimicrobial properties.
7. In context with the environment , February 2 is observed as which among the following days?
[A] Earth Day
[B] World Oceans Day
[C] World Water Day
[D] World Wetlands Day
Show Answer
Correct Answer: D [World Wetlands Day]
Notes:
February 2nd is World Wetlands Day. This day is celebrated annually to raise awareness about the importance of wetlands and how to restore them. It also commemorates the Ramsar Convention, which was signed on February 2nd, 1971 in Ramsar, Iran.
8. In which of the following cases, the ecological pyramid is never inverted?
[A] Pyramid of energy
[B] Pyramid of biomass
[C] Pyramid of numbers
[D] Pyramid of species richness
Show Answer
Correct Answer: A [ Pyramid of energy ]
Notes:
Pyramid of energy is never inverted.
9. Which among the following is the largest terrestrial pool of carbon?
[A] Ponds and Lakes
[B] Forests
[C] Soil
[D] Rocks and Mountains
Show Answer
Correct Answer: C [ Soil]
Notes:
Soil carbon refers to the carbon held within the soil, mainly as organic content. Soil carbon is the largest terrestrial pool of carbon (2,200 Giga tonnes). Soil carbon plays a key role in the carbon cycle and thus is important in global climate models. It has been shown that l kg of carbon released from the soil constitutes 3.64kg of Co2 in the atmosphere. The exchange of carbon between soils and the atmosphere is a significant part of the world carbon cycle, which is extensive both spatially and temporally. Carbon, as it relates to the organic matter of soils, is a major component of soil and catchment health. With reference to Carbon sequestration, the soil is one of the largest reservoirs, where carbon could be restored.
10. Bellandur Lake, which was frequently in news due to environmental issues, is located in which state?
[A] Maharashtra
[B] Karnataka
[C] Kerala
[D] Tamil Nadu
Show Answer
Correct Answer: B [ Karnataka]
Notes:
Bellandur Lake is located in Bengaluru, Karnataka. It was recently in news when National Green Tribunal (NGT) recently ordered shut-down of all industries around the water body.
