Insectivorous Plants |  Causes of Revolt of 1857 in Points |  Ordinance Making Power of President and Governors |  Mangroves Cover in India |  Coral Reefs in India |  Seasons and Climate in India |  Constitutional and Statutory Bodies in India |  Rock Edicts of Ashoka |  Types of Motions in Parliamentary Procedure |  Types of Majorities in Parliament |  Pressure Groups in World and India |  Order of Precedence |  Types of Rocks |  Treaties in Indian History |  Types of Rocks |  Features of Indian Economy |  Geographical Indications |  Ancient History Terminology and Meanings |  Schedules of the Constitution |  Nuclear Power Plants in India List  |  Types of Clouds for SSC CGL | Nuclear Power Plants in India ListTypes of Ocean CurrentsStructure: Layers of EarthAPPSC Group 1 Answer KeySSC JE 2017 QUESTION PAPEROne Word Substitution for SSC and Bank ExamsMPSC Answer Key 2017 2017Layers of AtmosphereMPSC Answer Key 2017 2017BPSC Solved Question Paper 2017MPPSC Solved Question Paper 2017GST Bill IndiaDelhi SultanateLaw Commission of IndiaOscar Awards Winner 2017 ListDiseases in CropsCommon Drugs and UsesDifferent Types of Deserts in WorldUPSC Civil Services Exam-2016 Answer KeyUPSC CAPF Exam-2016 Answer Key | UPPSC UPPER Subordinate Exam-2016 Answer Key | Regulatory BodiesNational Parks in India | International Airports in India  | United Nation International Years National Highways | National Birds of Countries | Sessions of Congress  | Facts About Kerala
Tropical Deciduous Forest |  Hoolock Gibbon: National Parks |  Sectors of Indian Economy |  How Legislative Council is Formed |  Insectivorous Plants |  Causes of Revolt of 1857 in Points |  Ordinance Making Power of President and Governors |  Mangroves Cover in India |  Coral Reefs in India |  Seasons and Climate in India |  Constitutional and Statutory Bodies in India |  Rock Edicts of Ashoka |  Types of Motions in Parliamentary Procedure |  Types of Majorities in Parliament |  Pressure Groups in World and India |  Order of Precedence |  Types of Rocks |  Treaties in Indian History |  Types of Rocks |  Features of Indian Economy |  Geographical Indications |  Ancient History Terminology and Meanings |  Schedules of the Constitution |  Nuclear Power Plants in India List  |  Types of Clouds for SSC CGL | Nuclear Power Plants in India ListTypes of Ocean CurrentsStructure: Layers of EarthAPPSC Group 1 Answer KeySSC JE 2017 QUESTION PAPEROne Word Substitution for SSC and Bank ExamsMPSC Answer Key 2017 2017Layers of AtmosphereMPSC Answer Key 2017 2017BPSC Solved Question Paper 2017MPPSC Solved Question Paper 2017GST Bill IndiaDelhi SultanateLaw Commission of IndiaOscar Awards Winner 2017 ListDiseases in CropsCommon Drugs and UsesDifferent Types of Deserts in WorldUPSC Civil Services Exam-2016 Answer KeyUPSC CAPF Exam-2016 Answer Key | UPPSC UPPER Subordinate Exam-2016 Answer Key | Regulatory BodiesNational Parks in India | International Airports in India  | United Nation International Years 
Ordinance Making Power of President and Governors |  Mangroves Cover in India |  Coral Reefs in India |  Seasons and Climate in India |  Constitutional and Statutory Bodies in India |  Rock Edicts of Ashoka |  Types of Motions in Parliamentary Procedure |  Types of Majorities in Parliament |  Pressure Groups in World and India |  Order of Precedence |  Types of Rocks |  Treaties in Indian History |  Types of Rocks |  Features of Indian Economy |  Geographical Indications |  Ancient History Terminology and Meanings |  Schedules of the Constitution |  Nuclear Power Plants in India List  |  Types of Clouds for SSC CGL | Nuclear Power Plants in India ListTypes of Ocean CurrentsStructure: Layers of EarthAPPSC Group 1 Answer KeySSC JE 2017 QUESTION PAPEROne Word Substitution for SSC and Bank ExamsMPSC Answer Key 2017 2017Layers of AtmosphereMPSC Answer Key 2017 2017BPSC Solved Question Paper 2017MPPSC Solved Question Paper 2017GST Bill IndiaDelhi SultanateLaw Commission of IndiaOscar Awards Winner 2017 ListDiseases in CropsCommon Drugs and UsesDifferent Types of Deserts in WorldUPSC Civil Services Exam-2016 Answer KeyUPSC CAPF Exam-2016 Answer Key | UPPSC UPPER Subordinate Exam-2016 Answer Key

Monday, 5 June 2017

Environment and Ecology: Important Objective Questions For SSC CGL

  MOHAMMAD ZEESHAN       Monday, 5 June 2017

Important Questions and Answers on Environment and Ecology

1) They perform a very valuable service by releasing inorganic substances that are taken up by plants once more.
A. Herbivores
B. Omnivores
C. Decomposers (Correct Answer)
D. Carnivores
2) It is the study of the ecology of a single species.
A. Autecology (Correct Answer)
B. Oncology
C. Symbiology
D. Synecology
3) It is the term used to describe the amount of organic matter an ecosystem produces from solar energy within a given area during a given period of time.
A. Primary consumers(Correct Answer)
B. Biomass
C. Primary productivity
D. Secondary productivity
4) It is the study of the ecology of whole communities of organisms.
A. Autecology
B. Oncology
C. Symbiology
D. Synecology (Correct Answer)
5) These autotrophs are photosynthesizers such as algae and green plants that produce most of the organic nutrients for the biosphere.
A. Enzymes
B. Photoautotrophs (Correct Answer)
C. Coliform
D. Chemautotrophs
6) It is the net weight of all organisms living in an ecosystem, which, increases as a result of its net production.
A. Biomass (Correct Answer)
B. Net primary productivity
C. Gross primary productivity
D. Primary productivity
7) Secondary consumers belong to
A. Fourth trophic level
B. Third trophic level (Correct Answer)
C. Second trophic level
D. First trophic level
8) It is a description of where an organism is found
A. Environment
B. Biome
C. Habitat (Correct Answer)
D. Niche
9) It is used to describe the relationship if both species benefit from each other.
A. Symbiosis
B. Mutualism (Correct Answer)
C. Co-evolution
D. Antagonistic Coevolution
10) These ecosystems obtain their water from rivers and are often extremely seasonal
A. Floodland (Correct Answer)
B. Bog
C. Marine wetland
D. Swamp and marsh
11) The group interacting and interbreeding organism of the same species
A. Community
B. Organism
C. Population(Correct Answer)
D. Ecosystem
12) It refers to the process whereby certain substances such as pesticides or heavy metals move up the food chain
A. Eutrophication
B. Biomagnification (Correct Answer)
C. Bioaccumulation
D. Pollution
13) These are animals that feed both on plants and animals.
A. Herbivores
B. Omnivores (Correct Answer)
C. Detritivores
D. Detritivores
14) It can be defined as any process that uses microorganisms, fungi, green plants or their enzymes to return the natural environment altered by contaminants to its original condition
A. Bioremediation (Correct Answer)
B. Bioconcentration
C. Bioindicator
D. Bioaccumulation
15) It is a process by which radiative energy leaving a planetary surface is absorbed by some atmospheric gases.
A. Nutrient Cycle
B. Phosphorous Cycle
C. Carbon Cycle
D. Greenhouse Effect (Correct Answer)
16) Which of these does not belong to the Greenhouse gases
A. Water vapor
B. Carbon dioxide
C. Methane
D. Oxygen (Correct Answer)
17) These ecosystems are found in areas of impeded drainage, where water runs off the surrounding land and collects, or where groundwater lies close to the surface
A. Floodland
B. Bog
C. Marine wetland
D. Swamp and marsh (Correct Answer)
18) It was considered as a subset of the general evolutionary relationships between species in communities
A. Symbiosis
B. Mutualism
C. Co-evolution (Correct Answer)
D. Antagonistic Coevolution
19) These ecosystems receive water only from rainfall, not from streams, rivers or groundwater.
A. Floodland
B. Bog (Correct Answer)
C. Marine wetland
D. Swamp and marsh
20) These refer to the complicated feeding relationships that exist among organisms in a natural ecosystem.
A. Food chains
B. Food webs (Correct Answer)
C. Niche
D. Trophic level
21) It refers to the relationship usually produce an arms race of chemical and mechanical attack and defence mechanism
A. Symbiosis
B. Mutualism
C. Co-evolution
D. Antagonistic Coevolution (Correct Answer)
22) Which of these sources of water is sediment rich
A. Drainage water
B. River water (Correct Answer)
C. Saltwater
D. Rainfall
23) It is used to describe any close relationship between two species
A. Symbiosis (Correct Answer)
B. Mutualism
C. Co-evolution
D. Antagonistic Coevolution
24) The thin film on the surface of the earth in which all life exists is called
A. Geosphere
B. Biosphere (Correct Answer)
C. Hydrosphere
D. Atmosphere
25) It refers to the management of the earth's resources in a way which aims to restore and maintain the balance between human requirements and the other species of the world.
A. Biodiversity
B. Ecological Footprint
C. Conservation (Correct Answer)
D. Sustainable Development
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