DU MSc Environmental Studies
Topic:- DU_J18_MSC_ES
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- The most important constituent of water hardness is [Question ID = 2576]
- Nitrogen [Option ID = 10307]
- Iron [Option ID = 10303]
- Phosphorus [Option ID = 10301]
- Calcium [Option ID = 10305]
Correct Answer :-
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Calcium [Option ID = 10305]
- World's first national park was established in 1872 largely in response to the efforts of naturalist and writer John Muir who was a strong believer of: [Question ID = 2603]
- Utilitarian conservationist approach [Option ID = 10409]
- Biocentric preservationist approach [Option ID = 10410]
- Anthropocentric approach [Option ID = 10411]
- Cultural approach [Option ID = 10412]
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Correct Answer :-
Biocentric preservationist approach [Option ID = 10410]
- Reverse sexual size dimorphism is often seen in: [Question ID = 2592]
- Sarus Crane [Option ID = 10365]
- Raptors [Option ID = 10367]
- Indian Peafowl [Option ID = 10366]
- Dabbling ducks [Option ID = 10368]
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Correct Answer :-
Raptors [Option ID = 10367]
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- Microbiome refers to: [Question ID = 2600]
- Genetic material of the entire collection of microorganisms in a specific niche [Option ID = 10397]
- Genetic material of all the members of a genus [Option ID = 10399]
- Genetic material of all the members of a family [Option ID = 10400]
- Genetic material of all the members of a population [Option ID = 10398]
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Correct Answer :-
Genetic material of the entire collection of microorganisms in a specific niche [Option ID = 10397]
- Which of the following biomes is least suitable for agriculture? [Question ID = 2615]
- Boreal forest [Option ID = 10457]
- Grassland [Option ID = 10460]
- Savanna [Option ID = 10458]
- Deciduous forest [Option ID = 10459]
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Correct Answer :-
Boreal forest [Option ID = 10457]
- Birds and mammals in the colder regions have larger body size compared to their con-specifics of the warmer regions. This phenomenon is also known as: [Question ID = 2591]
- Jordan's Rule [Option ID = 10364]
- Gloger's Rule [Option ID = 10363]
- Allen's Rule [Option ID = 10361]
- Bergman's Rule [Option ID = 10362]
Correct Answer :-
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Bergman's Rule [Option ID = 10362]
- Lotka-Volterra model is associated with: [Question ID = 2620]
- All of these [Option ID = 10480]
- Plant-herbivore interaction [Option ID = 10477]
- Herbivore-carnivore interactions [Option ID = 10479]
- Host-parasite interaction [Option ID = 10478]
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Correct Answer :-
All of these [Option ID = 10480]
- niche of an organism is usually ________ than its ________ niche: [Question ID = 2612]
- Fundamental, Broader, Realized [Option ID = 10446]
- Realized, Narrower, Fundamental [Option ID = 10447]
- Fundamental, Narrower, Realized [Option ID = 10448]
- Realized, Broader, Fundamental [Option ID = 10445]
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Correct Answer :-
Fundamental, Broader, Realized [Option ID = 10446]
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- Living organisms change the chemical species of an inorganic element by a process called: [Question ID = 2602]
- Biodegradation [Option ID = 10406]
- Ecological transfer [Option ID = 10408]
- Biotransformation [Option ID = 10407]
- Trophic transfer [Option ID = 10405]
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Correct Answer :-
Biotransformation [Option ID = 10407]
- When a detective interprets general habits of a stranger on the basis of isolated observations, he is exercising: [Question ID = 2601]
- Both Deductive reasoning and Inductive reasoning [Option ID = 10403]
- Neither Deductive reasoning nor Inductive reasoning [Option ID = 10404]
- Deductive reasoning [Option ID = 10401]
- Inductive reasoning [Option ID = 10402]
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Correct Answer :-
Inductive reasoning [Option ID = 10402]
- The open surface water in a lake away from the shore is known as: [Question ID = 2581]
- Benthic zone [Option ID = 10321]
- Limnetic zone [Option ID = 10324]
- Profundal zone [Option ID = 10322]
- Littoral zone [Option ID = 10323]
Correct Answer :-
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Limnetic zone [Option ID = 10324]
- In a human population of 20000, if there are 400 births per year and 200 deaths per year. What is the growth rate of the population? [Question ID = 2619]
- 10% [Option ID = 10474]
- 2% [Option ID = 10475]
- 20% [Option ID = 10476]
- 1% [Option ID = 10473]
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Correct Answer :-
1% [Option ID = 10473]
- Kalpakkam is famous for: [Question ID = 2579]
- Hydroelectricity plant [Option ID = 10314]
- Coal Power plant [Option ID = 10315]
- Thermal power plant [Option ID = 10313]
- Nuclear Power Plant [Option ID = 10316]
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Correct Answer :-
Nuclear Power Plant [Option ID = 10316]
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- Human-driven changes to vegetation include: [Question ID = 2583]
- All of these [Option ID = 10332]
- Extinction [Option ID = 10330]
- Range size change [Option ID = 10331]
- Exotic species invasion [Option ID = 10329]
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Correct Answer :-
All of these [Option ID = 10332]
- The largest mangrove habitats in India are in: [Question ID = 2598]
- Andaman islands [Option ID = 10390]
- Sunderbans [Option ID = 10389]
- Gulf of Kutch [Option ID = 10392]
- Gulf of Mannar [Option ID = 10391]
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Correct Answer :-
Sunderbans [Option ID = 10389]
- Phytostimulation is widely used for degradation of hydrocarbons in the soil. The principle of this technology is: [Question ID = 2616]
- Stimulation of enzymes in leaves of plants which can degrade the contaminants [Option ID = 10461]
- Stimulation of hydrocarbon degrading microbes in soil by plant root exudates [Option ID = 10462]
- Stimulation of chemical reactions by plants which result in hydrocarbon degradation [Option ID = 10463]
- Stimulation of growth of plant which accumulates hydrocarbons inside the leaves [Option ID = 10464]
Correct Answer :-
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Stimulation of hydrocarbon degrading microbes in soil by plant root exudates [Option ID = 10462]
- Thermal power plant is considered as a: [Question ID = 2582]
- Both Diffuse source of pollutants and Point source of pollutants [Option ID = 10327]
- None of these [Option ID = 10328]
- Point source of pollutants [Option ID = 10326]
- Diffuse source of pollutants [Option ID = 10325]
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Correct Answer :-
Point source of pollutants [Option ID = 10326]
- As per Carl Woese, the three domains of life are: [Question ID = 2608]
- Crenarchaeota, Euryarchaeota, Bacteria [Option ID = 10431]
- Extremophiles, Metallophiles, Thermophiles [Option ID = 10432]
- Eukarya, Bacteria, Archaea [Option ID = 10429]
- Animal, Fungi, Bacteria [Option ID = 10430]
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Correct Answer :-
Eukarya, Bacteria, Archaea [Option ID = 10429]
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- As per 2006 notification of Gazette of India, Environmental Impact Assessment report of a proposed river valley project after environmental clearance is applicable for a maximum period of: [Question ID = 2596]
- 10 years [Option ID = 10382]
- 30 years [Option ID = 10383]
- 5 years [Option ID = 10381]
- 2 years [Option ID = 10384]
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Correct Answer :-
10 years [Option ID = 10382]
- What is the source of energy for deep-sea organisms in hydrothermal vents? [Question ID = 2610]
- Inorganic compounds [Option ID = 10440]
- Sun [Option ID = 10437]
- Ocean wave energy [Option ID = 10439]
- Organic matter that settles at sea floor [Option ID = 10438]
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Correct Answer :-
Inorganic compounds [Option ID = 10440]
- Identify the place of origin of river Narmada: [Question ID = 2578]
- Naramdapur [Option ID = 10312]
- Devpura [Option ID = 10311]
- Narendra Nagar [Option ID = 10309]
- Amarkantak [Option ID = 10310]
Correct Answer :-
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Amarkantak [Option ID = 10310]
- Identify the incorrect match: [Question ID = 2614]
- National Bureau of Soil Survey and Land Use Planning - Nagpur [Option ID = 10455]
- National Bureau of Plant Genetic Resources (NBPGR) - New Delhi [Option ID = 10454]
- National Bureau of Animal Genetic Resources - Mumbai [Option ID = 10453]
- National Bureau of Fish Genetic Resources - Lucknow [Option ID = 10456]
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Correct Answer :-
National Bureau of Animal Genetic Resources - Mumbai [Option ID = 10453]
- The particle size associated with ambient aerosols in the atmosphere is in the range of: [Question ID = 2590]
- 100 – 150 µm [Option ID = 10359]
- > 200 µm [Option ID = 10360]
- 1 - 5 µm [Option ID = 10357]
- 50 – 100 µm [Option ID = 10358]
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Correct Answer :-
1-5 µm [Option ID = 10357]
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- In r-selected species, seed number, seed size, size of individuals and lifespan are ________, ________, ________ and ________ respectively. [Question ID = 2644]
- High, large, large, short [Option ID = 10576]
- High, small, small, short [Option ID = 10573]
- Low, large, large, long [Option ID = 10574]
- High, large, large, long [Option ID = 10575]
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Correct Answer :-
High, small, small, short [Option ID = 10573]
- Several factors affect population growth, such as (i) predation, (ii) disease, (iii) competition, and (iv) hurricane and fire. Identify the density-independent factors from the following options: [Question ID = 2599]
- (ii) [Option ID = 10394]
- (ii) and (iii) [Option ID = 10396]
- (iv) [Option ID = 10395]
- (i), and (iii) [Option ID = 10393]
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Correct Answer :-
(iv) [Option ID = 10395]
- Phenograms are used to study [Question ID = 2827]
- Pollination mechanisms in plants [Option ID = 11308]
- Climate distribution of plants [Option ID = 11305]
- Photosynthetic efficiency of plants [Option ID = 11306]
- Life history events in plants [Option ID = 11307]
Correct Answer :-
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Life history events in plants [Option ID = 11307]
- Climate change and warming can have these consequences: [Question ID = 2575]
- Range expansion of diseases to new areas [Option ID = 10296]
- All of these [Option ID = 10300]
- Farmers distress [Option ID = 10298]
- Loss of horticulture productivity [Option ID = 10294]
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Correct Answer :-
All of these [Option ID = 10300]
- Which one of the following field of studies would be the most appropriate to study the broad scale environmental issues involving land management problems? [Question ID = 2609]
- Community ecology [Option ID = 10435]
- Invasion ecology [Option ID = 10433]
- Landscape ecology [Option ID = 10434]
- Population ecology [Option ID = 10436]
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Correct Answer :-
Landscape ecology [Option ID = 10434]
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- Which one of the following facilitates biodiversity in nutrient-poor soils? [Question ID = 2586]
- Competition [Option ID = 10342]
- Parasitism [Option ID = 10343]
- Resource partitioning [Option ID = 10341]
- Bioaccumulation [Option ID = 10344]
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Correct Answer :-
Resource partitioning [Option ID = 10341]
- Which one of the following species of mercury accumulates easily in the living cells and is considered highly toxic? [Question ID = 2593]
- Mercurous ion [Option ID = 10369]
- Organomercurials [Option ID = 10371]
- Mercuric ion [Option ID = 10370]
- Atomic mercury [Option ID = 10372]
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Correct Answer :-
Organomercurials [Option ID = 10371]
- Which of the following may not be an effect of climate change? [Question ID = 2618]
- Range expansion of tropical diseases [Option ID = 10469]
- None of these [Option ID = 10472]
- Extreme weather events [Option ID = 10470]
- Immense wildfires [Option ID = 10471]
Correct Answer :-
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None of these [Option ID = 10472]
- Which of the following is correct about attributes in Geographic Information System (GIS)? [Question ID = 2595]
- Can be analyzed to determine patterns of importance [Option ID = 10378]
- Are entered directly into a database where it is associated with element data. [Option ID = 10379]
- All of these [Option ID = 10380]
- Pieces of data connected or related to the points, lines or polygons mapped in the GIS [Option ID = 10377]
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Correct Answer :-
All of these [Option ID = 10380]
- Which of the following most realistically represents the flow of energy and material through an ecosystem? [Question ID = 2605]
- Food web [Option ID = 10418]
- Pyramid of biomass [Option ID = 10419]
- Food chain [Option ID = 10417]
- Pyramid of numbers [Option ID = 10420]
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Correct Answer :-
Food web [Option ID = 10418]
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- Redox potential in the soil is not regulated by: [Question ID = 2589]
- Strong oxidizing agent [Option ID = 10355]
- Soil particle size [Option ID = 10353]
- Soil organic carbon [Option ID = 10354]
- Weak oxidizing agent [Option ID = 10356]
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Correct Answer :-
Soil particle size [Option ID = 10353]
- Groundwater mining in coastal areas can lead to: [Question ID = 2588]
- Decreased salinity of groundwater [Option ID = 10351]
- Increased water table [Option ID = 10350]
- Increased salinity of groundwater [Option ID = 10352]
- Reduced pollutant concentration in groundwater [Option ID = 10349]
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Correct Answer :-
Increased salinity of groundwater [Option ID = 10352]
- Increased concentration of a chemical at a higher trophic level is known as: [Question ID = 2621]
- Biopersistence [Option ID = 10481]
- Biomagnification [Option ID = 10483]
- Bioaccumulation [Option ID = 10482]
- Biomining [Option ID = 10484]
Correct Answer :-
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Biomagnification [Option ID = 10483]
- Atmosphere on the Earth is maintained by: [Question ID = 2624]
- All of these [Option ID = 10496]
- Earth's rotation [Option ID = 10494]
- Ozone [Option ID = 10493]
- Earth's magnetic field [Option ID = 10495]
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Correct Answer :-
- Bioprospecting deals with the: [Question ID = 2607]
- Use of multiple ecological ideas for demarcation of protected areas [Option ID = 10427]
- Use of multidisciplinary tools for a systematic search for genes, natural compounds, designs, and whole organisms for product development [Option ID = 10425]
- Use of multiple tools for development of new crop varieties [Option ID = 10428]
- Use of multi-disciplinary tools for conservation of ecosystems [Option ID = 10426]
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Correct Answer :-
Use of multidisciplinary tools for a systematic search for genes, natural compounds, designs, and whole organisms for product development [Option ID = 10425]
- To prepare 1000 ml of a 10 ppm solution of NaOH, how much NaOH should be dissolved in water (NaOH Mol Wt. =40): [Question ID = 2585]
- 4000 mg [Option ID = 10340]
- 1000 mg [Option ID = 10339]
- 40 mg [Option ID = 10338]
- 10 mg [Option ID = 10337]
Correct Answer :-
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10 mg [Option ID = 10337]
- Which of the following processes affect the availability of organic content in soil: [Question ID = 2584]
- Metal speciation [Option ID = 10335]
- Sorption [Option ID = 10334]
- All of these [Option ID = 10336]
- Soil microbial activity [Option ID = 10333]
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Correct Answer :-
All of these [Option ID = 10336]
- Which of the four Indian states decided to conduct a synchronized elephant census in May 2017? [Question ID = 2622]
- West Bengal, Odisha, Chhattisgarh, Jharkhand [Option ID = 10487]
- Odisha, Bihar, Jharkhand, Chhattisgarh [Option ID = 10488]
- West Bengal, Odisha, MP, Chhattisgarh [Option ID = 10486]
- West Bengal, Jharkhand, Bihar, Odisha [Option ID = 10485]
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Correct Answer :-
West Bengal, Odisha, Chhattisgarh, Jharkhand [Option ID = 10487]
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- Symbiosis is an intimate long-term relationship between two unlike organisms, where: [Question ID = 2613]
- All of these [Option ID = 10452]
- Both partners benefits [Option ID = 10449]
- One partner benefits but other one is neither harmed nor helped [Option ID = 10450]
- One partner benefits but the other one is harmed [Option ID = 10451]
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Correct Answer :-
All of these [Option ID = 10452]
- Dobson unit is a measure of: [Question ID = 2606]
- CO2 concentration [Option ID = 10421]
- CFC concentration [Option ID = 10422]
- Ozone concentration [Option ID = 10423]
- CO concentration [Option ID = 10424]
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Correct Answer :-
Ozone concentration [Option ID = 10423]
- Inbreeding depression in a species is characterized by: [Question ID = 2611]
- Reduced fitness [Option ID = 10441]
- Fixation of useful genes [Option ID = 10442]
- Speciation [Option ID = 10444]
- Population explosion [Option ID = 10443]
Correct Answer :-
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Reduced fitness [Option ID = 10441]
- An example of non-renewable, non-fossil energy resource is: [Question ID = 2587]
- Tidal [Option ID = 10347]
- Petrol [Option ID = 10345]
- Uranium [Option ID = 10348]
- Coal [Option ID = 10346]
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Correct Answer :-
Uranium [Option ID = 10348]
- Identify the incorrect statement regarding IPAT model: [Question ID = 2597]
- IPAT Model was proposed by Biologist Paul Ehrlich and Physicist John Holdren [Option ID = 10385]
- It is a mathematical relationship between environmental impact and forces driving them [Option ID = 10386]
- IPAT equation should be carefully interpreted as all the impacts of a particular technology on the complex environmental system are difficult to interpret [Option ID = 10388]
- In IPAT, I= Industrial growth, P=Population, A=Affluence, T=Technology [Option ID = 10387]
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Correct Answer :-
- Identify the correct statement. When a tiger eats flesh and runs: [Question ID = 2604]
- The chemical energy present in its food is not destroyed [Option ID = 10413]
- All of these [Option ID = 10416]
- None of the energy is lost from a thermodynamic point of view as this energy is still present in the physical environment [Option ID = 10415]
- Some of the energy present in its food is released as heat, which cannot be reused for any biological work [Option ID = 10414]
Correct Answer :-
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All of these [Option ID = 10416]
- Identify the random sampling method among the following: [Question ID = 2594]
- Convenience sampling [Option ID = 10375]
- Quota sampling [Option ID = 10374]
- Judgment sampling [Option ID = 10373]
- Stratified sampling [Option ID = 10376]
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Correct Answer :-
Stratified sampling [Option ID = 10376]
- UN document 'Our Common Future' was related to: [Question ID = 2580]
- Conservation of Biodiversity [Option ID = 10317]
- Protection of Environment [Option ID = 10318]
- Environmental Pollution [Option ID = 10319]
- Sustainable Development [Option ID = 10320]
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Correct Answer :-
Sustainable Development [Option ID = 10320]
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- Red tides are cause and/or effect of: [Question ID = 2617]
- Ecotoxicity in marine organisms [Option ID = 10466]
- All of these [Option ID = 10468]
- Blooms of pigmented algae [Option ID = 10465]
- Reduced photosynthetic efficiency of aquatic plants [Option ID = 10467]
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Correct Answer :-
All of these [Option ID = 10468]
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