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Environmental Science

Showing 151-225 of 269 answers

The transfer of energy and chemical elements and compounds from one creature to another.
  • flow of energy
  • cycling of energy
  • ecosystem
  • food chain Correct
The use of fossil fuels has contributed significantly to the increase in greenhouse gases and global warming.
  • True Correct
  • False
The withdrawal of the United States from the Paris Climate Change Accord has no impact on our sustainable future.
  • True
  • False Correct
The world's largest source of commercial energy at present is non-renewable.
  • True Correct
  • False
These are among the results of poor farming.
  • Biotechnology
  • Pests
  • Nematodes
  • Soil Erosion Correct
These are organisms or microorganisms that may eat and/or destroy agricultural plants.
  • Precipitation
  • Nematodes
  • Pests Correct
  • Human Factor
These are organisms that live and feed on the soil.
  • Pests
  • Human Factor
  • Precipitation
  • Nematodes Correct
This air pollutant is of particular concern because it can be embedded and absorbed in the bloodstream after a long period of time.
  • Particulate matter Correct
  • Volatile organic compounds
  • Nitrogen dioxide
  • Carbon dioxide
This concept refers to the impact of humans on nature.
  • Gaia hypothesis Correct
  • human population growth
  • global perspective
  • sustainability
This idea proposes that life has greatly influenced the global environment, changing it and improving the chances for the survival of the species.
  • Precautionary principle
  • Gaia hypothesis Correct
  • Sustainability
  • Human population growth
This integrates the different disciplines of study in order to understand nature, the interaction of organisms with nature, and to find solutions for environmental problems.
  • True
  • False Correct
This is applied to avoid irreversible damages to the environment even without full scientific proof. Examples where this may be employed include the application of pesticides and chemicals to the environment.
  • moral justification
  • precautionary principle Correct
  • pseudoscience
  • Gaia hypothesis
This is characterized by a mixture of gases, serving as one of earth's subsystems.
  • mesosphere
  • atmosphere Correct
  • stratosphere
  • troposphere
This is the living skin of the planet which resulted from the dynamic interaction of atmosphere, biosphere, geosphere and hydrosphere.
  • Pedosphere Correct
  • Soil
  • Crust
  • Mantle
This is the lowest layer of the atmosphere where weather occurs and where air pollutants are released.
  • Mesosphere
  • Thermosphere
  • Stratosphere
  • Troposphere Correct
This is the set of all environmental conditions under which a species can persist and carry out its life functions.
  • Ecological niche Correct
  • Habitat
  • Living environment
  • Community
This is the time it takes for a particular unit to stay in a reservoir.
  • reservoir age
  • reservoir time
  • rate of transfer
  • residence time Correct
This law provided the most comprehensive water quality management to date.
  • PD 424
  • Philippine Clean Water Act Correct
  • RA 8041
  • PD 1067
This occurs when the output of a system affects its inputs.
  • balance of nature
  • feedback Correct
  • equilibrium
  • steady state system
This phenomenon has far and wide ranging effects such as loss of nutrients in soil, loss of aquatic species, damage to building materials and structures.
  • Acid rain Correct
  • Industrial smog
  • Photochemical smog
  • Air pollution
This pollutant reacts with hemoglobin in the red blood cells and is highly toxic.
  • Nitrogen dioxide
  • Sulfur dioxide
  • Carbon dioxide
  • Carbon monoxide Correct
This refers to an introduction of a foreign or exotic species to a place which may impact negatively the other indigenous species.
  • All of the above
  • Exotic species introduction
  • Biological invasion Correct
  • Biogeography
This refers to ecosystems based on climate and dominant plant life.
  • Habitats
  • Biogeography
  • Biome Correct
  • Biotic province
This refers to the physical-chemical environment.
  • living component
  • non-living component Correct
  • ecosystem
  • ecosystem processes
This refers to two types of systems wherein one is in fixed condition while the other continues to change over time
  • It is applied to prevent adverse effects to the health of the environment and the organisms living in it
  • Life has greatly influenced the global environment Correct
  • Even without full scientific proof, necessary precautionary principles should be employed
  • It may be applied while still gathering scientific evidence
This refers to urban agglomerations with more than 10 million people.
  • Hypercity
  • Cities
  • Metropolitan area
  • Megacity Correct
This source of energy which came from remains of land plants provides 40% of the world's energy needs.
  • Natural gas
  • Coal Correct
  • Crude oil
  • Uranium
This term refers to outputs of a system affecting its inputs.
  • True,because ecosystem is composed of everything on the planet Correct
  • No,they do not support life
  • No,they do not have life
  • True,because they are created like that
Total fertility rate is the defined as the average number of children born to women.
  • True Correct
  • False
Tropical regions usually have lower number of species and biodiversity as compared to mid- and high latitude areas.
  • True
  • False Correct
True or False. Acid rain is created by different air pollutants and can be deposited several kilometers away where it originated.
  • True Correct
  • False
True or False. Ozone at the troposphere can be dangerous to human health as it contributes to photochemical smog.
  • True Correct
  • False
True or False.Carbon dioxide is said to be the culprit behind climate change.
  • True Correct
  • False
Under this mechanism, steady-state systems remain in constant condition due to self-regulation or stabilization.
  • feedback
  • positive feedback
  • negative feedback Correct
  • equilibrium
Uranium undergoes what type of nuclear reaction in order to produce energy?
  • Splitting
  • Combining
  • Fission Correct
  • Fusion
Uranium used for nuclear power plants is a renewable source of energy.
  • True
  • False Correct
Using funds collected from the harvest and sale of natural gas in the country for investing in alternative and renewable energies is a move towards sustainability.
  • True Correct
  • False
Water table is the boundary between the saturated and unsaturated zone.
  • True Correct
  • False
We should value biodiversity because it provides essential services valuable to human life.
  • True Correct
  • False
What are among the services that the ecosystems provide?
  • Prompt, social, regulating and cultural
  • Prompt, cultural, regulating and supporting
  • Provisioning,social, regulating and supporting
  • Provisioning, cultural, regulating and supporting Correct
What are the highest trophic level that feed on dead organic materials?
  • Environmental science Correct
  • Ecosystem
  • Ecology
  • Environmentalism
What are the two wind patterns that the country experiences?
  • Southwest and northwest
  • Southwest and northeast Correct
  • Northwest and southeast
  • Northwest and southwest
What best describes sustainability?
  • The ability of natural systems and human cultural system and economies to prolong its existence amidst changing environmental conditions
  • The ability of natural systems and human cultural system and economies to change environmental conditions
  • The ability of natural systems and human cultural systems and economies to withstand changing environmental conditions
  • The ability of natural systems and human cultural system and economies to survive and adapt to changing environmental conditions Correct
What composes the autotrophs?
  • Science and values
  • Sustainability
  • Human population growth Correct
  • Urbanization
What do you call a city that is not car-oriented and has good mass transit? People walk along roads and ride bicycles. Greens such trees and plants are part of the city plan. Reduce, reuse, recycle is also practiced.
  • Sustainable city Correct
  • Megacity
  • Hypercity
  • Western cities
What does an inverted pyramid age structure mean?
  • There are equal number of young and old people
  • There are more young people
  • There are more old people Correct
  • None of the above
What does CFC stand for?
  • Chlorine-fluorine-carbon gas
  • Chlorofluorocarbon Correct
  • Chemical fluorine compound
  • Carbon-fluorine-chlorine gas
What does not characterize a monsoon?
  • consistent wind system reversal
  • can last for a period of several months
  • affects a large area
  • influenced by a localized weather system Correct
What environmental concept explains this: A change in one thing may affect everything else.
  • System responses
  • Uniformitarianism
  • Increasing human population growth
  • Environmental unity Correct
What is not a type of interaction between species?
  • Symbiosis
  • Predation
  • Competition
  • Symbionts Correct
What is not an advantage of living in cities?
  • Pollution in air and water Correct
  • Better access to healthcare and family planning
  • Education choices
  • More employment opportunities
What is not an advantage of using renewable energy?
  • Solar, wind and geothermal power are infinite supplies of energy
  • Solar energy is created during the day Correct
  • Biomass is cheap and can be a sustainable source of energy
  • Renewable sources are often environment-friendly
What is not an impact of human population growth?
  • Linear growth
  • Stable growth
  • Oscillating growth
  • Exponential growth Correct
What is not part of the scientific method?
  • If the hypothesis is consistent with the observations in some limited experiments, conduct additional experiments to test it further
  • Make observations and develop a question about the observations
  • Draw a conclusion from the data
  • Collect the data in an unorganized manner Correct
What is the ability of the rock or sediment to allow water to pass through it?
  • Solution
  • Diffusion
  • Infiltration
  • Permeability Correct
What is the activity involved with farming of protein in marine and freshwater habitats?
  • Farming
  • Agriculture
  • Aquaculture Correct
  • Fish pond
What is the combination of biology and technology in which biological concepts and systems are applied beneficial to man?
  • Biotechnology Correct
  • Technobiology
  • Biological Technology
  • Technological biology
What is the condition characterized by insufficient calories on available food when has little or no ability to work and may eventually die?
  • Kwashiorkor
  • Malnourishment
  • Undernourishment Correct
  • Marasmus
What is the condition of the Earth characterized by warming due to high levels of greenhouse gases in the atmosphere?
  • Universal warming
  • Global warming Correct
  • Climate change
  • El Nino
What is the difference between rangeland and pasture animals?
  • there is no difference between rangeland and pasture animals
  • rangeland animals eat from plowed and harvested food while pasture animals eat by grazing
  • rangeland and pasture animals are the same
  • rangeland animals eat by grazing while pasture animals eat from plowed and harvested food Correct
What is the disadvantage of using non-renewable sources of energy?
  • Fossil fuel releases huge amounts of carbon dioxide which contribute to global warming and climate change
  • Land disruption and loss of biodiversity
  • Air pollution
  • All of the above Correct
What is the field that studies the physical and social aspects of the environment?
  • ecology
  • environmentalism
  • environmental science Correct
  • ecosystem
What is the kind of undernourishment characterized by lack of sufficient protein in the diet?
  • Kwashiorkor Correct
  • Marasmus
  • Malnourishment
  • Undernourishment
What is the law creating the National Water Resource Council?
  • Presidential Decree No 1067
  • Executive Order No 222
  • Republic Act No 8041
  • Presidential Decree No 424 Correct
What is the layer of the Earth's subsystem that contains the highest amount of ozone?
  • Stratosphere Correct
  • Thermosphere
  • Troposphere
  • Mesosphere
What is the location of water where it resides?
  • Freshwater
  • Precipitation
  • Water cycle
  • Reservoir Correct
What is the major reservoir of fresh water?
  • Permafrost
  • Glaciers Correct
  • Lakes
  • Oceans
What is the method by which humans grow crops and rear animals for food?
  • Cropping
  • Rearing
  • Agriculture Correct
  • Farming
What is the movement of condensed water into liquid water into the Earth's surface?
  • Reservoir
  • Freshwater
  • Water cycle
  • Precipitation Correct
What is the part of the ocean where there is sudden decrease in the temperature?
  • Thermocline Correct
  • Rivers, Ice sheets, permafrost
  • Permafrost
  • Saltwater
What is the process in which rain water penetrates the soil?
  • Diffusion
  • Infiltration Correct
  • Solution
  • Permeation
What is the process of movement of water molecules through different pathways?
  • Precipitation
  • Water cycle Correct
  • Reservoir
  • Freshwater
What is the Republic Act Number that provided management of quality water?
  • Philippine Clean Water Act of 2004 Correct
  • Oceans and bays
  • Rivers, Ice sheets, permafrost
  • Permafrost
What is the second layer of the ocean where there is rapid decrease in temperature as it goes deeper?
  • Thermocline Correct
  • Deep zone
  • Depression
  • Decression
What is the study of the interaction among the organism and their environment?
  • Biology
  • Ecology Correct
  • Sociology
  • Ecosystem
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