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
1. The Shahid Chandra Shekhar Azad Bird Sanctuary (SCSABS) is located in which state?
[A] Madhya Pradesh
[B] Uttar Pradesh
[C] Jharkhand
[D] Uttarakhand
Show Answer
Correct Answer: B [Uttar Pradesh]
Notes:
The Shahid Chandra Shekhar Azad Bird Sanctuary (SCSABS) is located in Unnao district on the Kanpur-Lucknow highway in Uttar Pradesh. It is also known as Nawabganj Bird Sanctuary. The sanctuary provides protection for 250 species of migratory birds such as greylag goose, pintail, cotton teal, red-crested pochard, gadwall, shoveller, coot and mallard. It also houses a deer park, watchtowers and boats.
2. The Adichunchanagiri Wildlife Sanctuary (AWLS) is located in which state/UT?
[A] Karnataka
[B] Nagaland
[C] Tripura
[D] Andaman and Nicobar Islands
Show Answer
Correct Answer: A [Karnataka ]
Notes:
The Adichunchanagiri Wildlife Sanctuary (AWLS) is located in Nagamangala Taluk of Mandya district of Karnataka and is spread over 0.88 square kilometres. This was created mainly for the conservation of peacocks. It also houses nearly 250 species of birds.
3. World’s largest tiger reserve “Hukawang Valley Tiger Reserve” is located in __:
[A] Myanmar
[B] China
[C] Thailand
[D] Nepal
Show Answer
Correct Answer: A [ Myanmar]
Notes:
The Hukawang Valley is an isolated valley in Myanmar (Burma), roughly 5,586 square miles in area. The Burmese government has also designated 6500 square kilometre of the valley as the protected forest reserve. It is the world’s largest tiger reserve.
4. In which of the following ecosystems, the pyramid of biomass is ‘inverted’ in shape?
[A] Pond ecosystem
[B] Grassland ecosystem
[C] Forest ecosystem
[D] None of the above
Show Answer
Correct Answer: A [ Pond ecosystem ]
Notes:
Biomass is the amount of living material in an organism. The pyramids of biomass represent the relationship between different trophic levels in terms of biomass. In grassland and forest ecosystems, there is generally a gradual decrease in biomass of organisms at successive trophic levels from the producers to the consumers. Their pyramid of biomass is upright. In aquatic ecosystem the producers are small organisms with least biomass and the biomass gradually increase towards the apex of the pyramid. Thus the pyramid of biomass of aquatic ecosystems is inverted in shape.
5. Which among the following is the largest tiger reserve in India?
[A] Ranthambore National park
[B] Jim Corbett National Park
[C] Kanha National Park
[D] Nagarjuna Srisailam Sanctuary
Show Answer
Correct Answer: D [Nagarjuna Srisailam Sanctuary]
Notes:
Nagarjunsagar-Srisailam Tiger Reserve is considered as the largest tiger reserve in India. It was stablished in the year 1983. It spreads over five districts i.e. Kurnool, Prakasam, Guntur, Nalgonda and Mahbubnagar. The total area of the reserve is 3,728 sq km.
6. Which among the following is the correct definition of Oxygen toxicity?
[A] A condition resulting from the harmful effects of breathing oxygen at high pressures
[B] A condition resulting from the contamination of oxygen with Carbon Monoxide
[C] A condition in which the body as a whole or a tissue is deprived of adequate oxygen supply
[D] A condition in which due to water pollution, the aquatic animals in water bodies get died
Show Answer
Correct Answer: A [A condition resulting from the harmful effects of breathing oxygen at high pressures]
Notes:
Oxygen toxicity is a concern for underwater divers, those on high concentrations of supplemental oxygen. It is a condition resulting from the harmful effects of breathing oxygen at high pressures.
7. The Hydroponics is most closely related to which among the following?
[A] Grafting of Plants
[B] Water conservation
[C] Study of Vegetable
[D] Soilless culture of Plants
Show Answer
Correct Answer: D [Soilless culture of Plants]
Notes:
Hydroponics is a type of Horticulture and a subset of hydroculture, through which plants are grown without soil, by providing mineral nutrient solutions in a water solvent.
8. Earth’s Heat energy budget is most balanced near ____?
[A] Equator
[B] Tropic of Capricorn & Cancer
[C] Around 40° N and S Latitudes
[D] Poles
Show Answer
Correct Answer: C [ Around 40° N and S Latitudes]
Notes:
Around 40° N and S Latitudes earth’s heat budget is most balanced. This is beacause of the moderate climate this areas has. Heat budget is the summation of heat received and lost by earth.
9. Which of the following winds is known for “Blood Rain”?
[A] Sirocco
[B] Harmattan
[C] Mistral
[D] Khamsin
Show Answer
Correct Answer: A [Sirocco]
Notes:
Sirocco is a warm, dry and dust laden local wind which blows in northerly direction from Sahara desert over North Africa as a dry wind and picks up moisture as it crosses the Mediterranean. Since they carry red dust over Sahara, the rainfall which they cause is called blood rain sometimes.
10. Which of the following is the largest contributor to land degradation in India?
[A] Forest Fires
[B] Water Erosion
[C] Wind Erosion
[D] Soil Salinization
Show Answer
Correct Answer: B [Water Erosion]
Notes:
The top layer of the soil is generally carried away by the splash of water during rainfall or floods. Rainfall and the surface runoff which may result from rainfall, produces four main types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion.
