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Environmental Studies Questions and Answers for Competitive Exams | Environmental Studies Quiz Set 29

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Free Download as PDF Environmental Science Quiz Questions and Answers for Competitive Exams or solved MCQs with answers. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB, psc exams of Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Orissa, Punjab, Rajasthan, Sikkim, Tamil Nadu, Tripura, Uttar Pradesh, West Bengal, Chhattisgarh, Uttarakhand, Jharkhand, Telangana etc.
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(1) International year of Desert and desertification was observed in
(1) 1996
(2) 2006
(3) 1999
(4) 2009
Answer: 2006
(2) In longitudinal zonation of stream, Rhithron refers to
(1) Sédimentation accumulation zone
(2) Head water zone
(3) Sediment deposition zone
(4) Meandering zone of the river
Answer: Head water zone

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(3) Which one of the following type of faults is likely to be connected with the most dangerous earthquakes ?
(1) Transform
(2) Strike-slip
(3) Reverse dip-slip
(4) Normal dip-slip
Answer: Reverse dip-slip
(4) The drainage which has streams flowing outwards in all directions from a central elevated tract is called as :
(1) Dendritic drainage
(2) Parallel drainage
(3) Trellis drainage
(4) Radial drainage
Answer: Radial drainage
(5) The largest fresh water lake of the world is
(1) Lake Victoria
(2) Lake Superior
(3) Lake Baikal
(4) Great Bear Lake
Answer: Lake Superior
(6) For depiction of gradation in slope, which of the following method is used in GIS ?
(1) Raster GIS
(2) Vector GIS
(3) CAD
(4) CAM
Answer: Raster GIS
(7) Which of the following National Parks are declared as Tiger Reserve by National Tiger Conservation Authority of India in 2015 ?
(1) Kanha and Ranthambhor National Parks
(2) Sariska and Nagarahole National Parks
(3) Dudhwa and Periyar National Parks
(4) Kudremukh and Rajaji National Parks
Answer: Kudremukh and Rajaji National Parks
(8) A species selected to represent an environmental cause and symbol for a defined habitat is called :
(1) Flagship species
(2) Umbrella species
(3) Keystone species
(4) Indicator species
Answer: Flagship species
(9) Intermediate disturbance in a community result in
(1) Maximum number of species
(2) Minimum number of species
(3) Average number of species
(4) Decrease the number of species
Answer: Maximum number of species
(10) Access to genetic resources and the fair and equitable sharing of benefits arising from their utilization was the main objective of
(1) Earth Summit
(2) Millennium Development Goal
(3) Nagoya Protocol
(4) Montreal Protocol
Answer: Nagoya Protocol
(11) Commercial vermicomposting was done by which of the following earthworm ?
(1) Lumbricus terrestris
(2) Dendrobaena rubidus
(3) Eisenia fetida
(4) Haliodrilus oculantus
Answer: Eisenia fetida
(12) Which aquatic macrophyte can be considered as invasive alien species ?
(1) Lotus
(2) Alligator weed
(3) Water ferns
(4) Duck weed
Answer: Alligator weed
(13) Keeling curve presents the yearly variations in the concentration of
(1) Ozone
(2) Methane
(3) Sulfur dioxide
(4) Carbon dioxide
Answer: Carbon dioxide
(14) Which one of the following is not an organochlorine insecticide ?
(1) Aldrin
(2) Aldicarb
(3) Chlordane
(4) Endosulfan
Answer: Aldicarb
(15) Out of vanadium, molybdenum and iron, the metals involved in nitrogenase enzyme in nitrogen fixation in soil is/are
(1) vanadium and molybdenum only
(2) vanadium, molybdenum and iron
(3) molybdenum only
(4) vanadium only
Answer: vanadium, molybdenum and iron

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