Environment & Biodiversity MCQs
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. West Bengal State Forest
Development organises tours in which regional forest?
[A] Jalpaiguri
[B] Kalimpong
[C] Purulia
[D] Bankura
Show Answer
Correct Answer: A [Jalpaiguri ]
Notes:
West Bengal State Forest
Development Agency organises eco-tourism
centres, jungle camps in the Terai region of Jalpaiguri district with a view to conserve forests along with developing income opportunities for the local people.
42. In how many states do Central Government run the Namami Gange mission?
Show Answer
Correct Answer: D [5]
Notes:
Namami Gange mission is run by the Central
Government in five states namely
Uttarakhand, Uttar Pradesh, Jharkhand,
Bihar and West Bengal. It is managed by West Bengal Forest Department for
sustaining the biodiversity of the Ganga river ecosystem along with its
purification.
43. In which year the first major environmental legislation of the country was made?
[A] 1971
[B] 1972
[C] 1973
[D] 1974
Show Answer
Correct Answer: D [1974]
Notes:
The WBPCB is the frontal organization of the Environment Department for regulating with environmental pollution problems and their control in the State. WBPCB is a statutory authority entrusted to implement various environmental laws and rules within the jurisdiction of the state of West Bengal, India. WBPCB was constituted immediately after the enactment of the first major environmental legislation of the country, the Water (Prevention and Control of Water Pollution) Act, 1974. At present, the Board implements the provisions of various environmental Acts and Rules, statutes and judicial pronouncements.
44. Which of the following diseases are due to water pollution?
[A] Cholera
[B] Typhoid
[C] Both Cholera and Typhoid
[D] Neither Cholera Nor Typhoid
Show Answer
Correct Answer: C [Both Cholera and Typhoid]
Notes:
Waterborne diseases are conditions caused by pathogenic micro-organisms that are transmitted in water as Cholera and Typhoid. Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae. Typhoid fever is caused by bacterium Salmonella Typhi.
45. Addition excessive amounts of heat to a lake is referred to as _____:
[A] Thermal pollution
[B] Heat Bloom
[C] Green House effect
[D] Refrigeration effect
Show Answer
Correct Answer: A [Thermal pollution]
Notes:
Thermal pollution is defined as the addition of excess of undesirable heat to water thereby making it harmful to man, animal or aquatic life. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. The change in ambient temperature of water decreases oxygen supply and affects ecosystem composition.
46. Kigali agreement is _____ amendment to the Montreal Protocol:
[A] 6th
[B] 7th
[C] 8th
[D] None of the above
Show Answer
Correct Answer: C [8th]
Notes:
The Montreal Protocol is a most effective international environmental treaty to phase out the Ozone Depleting Substances (ODSs) from the atmosphere. The Kigali Amendment, eighth amendment to the Montreal Protocol is legally binding and will come into force from January 1, 2019. The Agreement upholds the principle of Common but Differentiated Responsibilities and Respective Capabilities (CBDR & RC).
47. Harvesting season of Kharif crop in India is _____:
[A] January, March
[B] February, April
[C] September, October
[D] November, January
Show Answer
Correct Answer: C [September, October]
Notes:
Kharif crops or monsoon crops usually sown with the beginning of the first rains in July, during the south-west monsoon season and harvested in September-October. Main kharif crops are millet and rice.
48. 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.
49. When a competing species is experimentally removed, the species whose distribution is restricted to a small geographical area will:
[A] become extinct
[B] expand its distributional range dramatically
[C] remain unchanged
[D] none of the above
Show Answer
Correct Answer: B [expand its distributional range dramatically]
Notes:
A species whose distribution is restricted to a small geographical area because of the presence of a competitively superior species, is found to expand its distributional range dramatically when the competing species is experimentally removed.
50. 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.
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