LQ1 Compilation Flashcards
1
Q
It is the application of science and engineering principles to minimize the adverse effects of human activities on the environment
A
Environmental Engineering
2
Q
Which of the following best describes sustainable development
A
It is considered the development that meets the needs of the present without compromising future generations ability to meet their own needs
3
Q
Which level of ecological organization encompasses all individuals of the same species living in the same area?
A
Population
4
Q
It is the set of interconnected feeding of one organism upon another in a sequence of food transfers by which energy and materials circulate within an ecosystem
A
Food chain
5
Q
Provisioning
A
Food
6
Q
Regulating
A
Pest control
7
Q
Cultural
A
Recreation
8
Q
Supporting
A
Nutrient cycling
9
Q
It is the study if relationship between organisms and their environment
A
Ecology
10
Q
It is commonly referred to the organic material made from living organisms such as plants and animals
A
Biomass
11
Q
Abiotic
A
Physical and chemical
12
Q
Biotic
A
Living organism
13
Q
What are the earth’s life support system
A
Lithosphere, hydrosphere, atmosphere
14
Q
Which of the following component of the biotic environment produce organic compounds from inorganic compounds
A
Autotroph
15
Q
Which process that includes the breaking down or dissolving of rock/minerals releases phosphorus from rocks and sediments into the soil and water
A
Weathering
16
Q
The process of converting nitrates into nitrogen gas by denitrifying bacteria is primarily facilitated in
A
Oxygen depleted environment
17
Q
Nitrogen is an essential components of which biological molecules
A
Protein and nucleic acids
18
Q
In the phosphorus cycle, which form of phosphorus is readily available for uptake by plants?
A
Phosphate ions
19
Q
In hydrologic cycle, which of the following refers to the movement of water through the soil or rock layes into the groundwater
A
Percolation
20
Q
Disruption is caused by accelerated weathering by cleaning the forests for cultivated land - which causes soil erosion, cycle is accelerated by mining phosphate rock for the manufacture of products such as fertilized and detergents, using phosphate containing products such as fertilizer and detergent increases the rate of phosphorous returns to the sea
A
Phosphorus Cycle
21
Q
The conversion of ammonia into nitrate ions is an essential step in which process of the nitrogen cycle
A
Nitrification
22
Q
Which process in the hydrological cycle involves the process by which water vapor in the air is changed into liquid water
A
Condensation
23
Q
Which components of the phosphorus cycle involves the conversion of organic phosphorus compounds into organic phosphate
A
Mineralization
24
Q
In the carbon cycle, what is the process by which carbon is released from fossil fuels returned to the atmosphere
A
Combustion
25
Which of the following is a common method used to measure the turbidity of water?
Nephelometry
26
Which of the following is a common water disinfection method used to kill or inactivate microorganisms
Chlorination
27
Which of the following is not a primary source of water pollution
Acid rain
28
What is the primary purpose of primary wastewater treatment?
Removal of suspended solids
29
What is the primary purpose of a water treatment plant?
To supply safe drinking water
30
Bar screens and grit removals area examples of ____ treatment in the wastewater treatment plant
Primary
31
What is the concept of “closed-loop” wastewater systems?
Systems that recycle wastewater within a single building or facility
32
The process of reducing the generation of wastewater through efficient water use and pollution prevention
Wastewater minimization
33
Arrange the typical water treatment process from the start until the end to provide safe drinking water
Coagulation, flocculation, sedimentation, filtration, disinfection
34
Which of the following can contribute to sustainable wastewater management?
Implementing water conservation measures, upgrading wastewater treatment plants to enhance treatment efficiency, promoting public awareness about wastewater issues
35
Which of the following is not a physical property of water
Temperature
36
It is an example of a physical water treatment process
Sedimentation
37
What is the term for the process of reusing treated wastewater for beneficial purposes like irrigation or industrial processes?
Reclamation
38
Preliminary
removal of large solids
39
Removes mostly suspended solids and those pollutants that settle or float
Primary
40
Removes primary organic content via biological process
Secondary
41
Involve chemical treatment and nutrient removal
Tertiary
42
Arrange the following in the order from first to last process for sludge management
Sludge thickening, sludge digestion, dewatering, disposal
43
Atmosphere, lakes and rivers, rocks and soil
Abiotic
44
____ is the primary agency in the implementation of clean water act to regulate industrial wastewater
Department of environment and natural resources
45
Excess carbon dioxide is released from the burning coal
Phosphorus in the fertilizers is washed out by the rain from agricultural lands and eventually ends up in the bodies of water, causing algal bloom
Too much cutting of trees results in to increase in carbon dioxide
Disruptions in biogeochemical cycle
46
Primary water treatment involves three processes to treat wastewater. First is step is
Screening, were it removes the large floating objects that might clog pipes or damage equipment
47
In the hydrologic cycle, this refers to evaporation of water from plants
Transpiration
48
It is used for tertiary treatment
Chlorination
49
Unesco declared the tubbataha reefs national park as a world heritage site. This type of water body is classified as class
SA
50
Parasitism is an interaction wherein one specie lives inside another
Interaction among organisms
51
This is the one of the measurements of organic matter wherein it considers the amount of oxygen demanded by microogranisms in an aerobic condition for five days at 20 degrees celsius is called
BOD
52
Eutrophication is caused by
Nutrient such as nitrogen and phosphorus
53
Urine is known to be this type of wastewater discharge from the household or domestic discharges
Yellow water
54
Water vapor cooling to from clouds or tiny water droplets is termed
Consendation
55
This consists of several interacting populations occupying the same habitat
Community
56
In biogeochemical cycles, this substance is not present in the atmosphere
Phosphorus
57
This is also known as the clean water act of 2004
RA 9275
58
The definition that Environmental Engineering is manifested by sound engineering thought and practice in the solution to problems of environmental sanitation and concerned with engineering problems in public health was given by?
American Society of Civil Engineering
59
In connection with Item No. 1, what year was this definition given?
1977
60
Earth Day was first celebrated back in 1970. What is the main purpose of this annual event?
Environmental protection support through public attention to clean up environment
61
What do you call the study of interactions between different organisms and between organisms and their environment?
Ecology
62
Biosphere is the part of Earth that supports life. Which of the following is not part of the biosphere?
Ionosphere
63
What do you call all organisms which can produce living offspring?
Species
64
All of her ecosystem combine is called
Ecosphere
65
The earths, surface is mostly composed of water, because of these, the earth is referred to as
Blue planet
66
This is a distinct, ecological, community of plants, and animals living in a particular climate and are broad terrestrial regions of the biosphere
Biomes
67
This degree of wastewater treatment is conducted when specific wastewater constituents which cannot be removed by its previous treatment. Examples include effluent polishing, land treatment, etc..
Tertiary
68
This degree of wastewater treatment is sufficient only to irrigate crops that are not consumed by humans or to irrigate orchards, vineyards, and some processed food crops.
Primary
69
This is the type of food chain that starts with plants.
Grazer
70
What are the 3 R’s of waste management
Reduce reuse recycle
71
This is an ecosystem service necessary for the production of all other ecosystem services
Supporting service
72
What layer of the soil contains the most nutrients
Topsoil
73
This type of wastewater is from commercial products across every industry in nearly all phases production
Industrial wastewater
74
This is the art and science of controlling establishment, growth, composition, health and quality of forests to meet diverse needs and values of landowners and society on a sustainable basis.
Siviculture
75
This type of wastewater is from human activities in households
Domestic wastewater
76
This process of hydrologic cycle evaporates water from plants.
Transpiration
77
This is the process of using oxygen gas to break down food molecules in cells.
Cellular respiration
78
This Republic Act is the Clean Water Act 2004 where its aim is to protect the country’s water bodies from pollution from land-based sources particularly industries and commercial establishments, agriculture and community/household activities.
RA 9275
79
These are finely dissolved solids that remain in the solution of wastewater.
Colloidal solids
80
This characteristic of wastewater refers to the cloudiness or haziness of a fluid caused by large particles that are generally invisible to the naked eye, similar to smoke in air.
Turbidity
81
This is the measure of organic materials in waste water in terms of oxygen required to oxidize the organic materials.
Chemical oxygen demand
82
This is the amount of oxygen needed to stabilize organic matter using microorganisms
Biological oxygen demand
83
These are from fresh and wilted grass or other green crops that can be made to semi-fermented product which can be stored and used as winter forage for cattle and sheep.
Silage liquor
84
These are microscopic, single-celled organisms that thrive in diverse environments.
Bacteria
85
They feed on bacteria so they help in the purification of treated wastewater.
Protoza
86
This administrative order provides guidelines for classification of bodies of water and determination of time trends.
DAO 2016-08
87
Rain Forest, Tiaga, Temperate Decidous Forest, Grasslands, Desert, and Tundra
Five examples of biomes
88
Predation, Commensalism, Mutualism, Parasitism, Competition
5 interactions among organisms
89
It is the application of science and engineering principles to minimize the adverse effects of human
activities to the environment.
Environmental engineering
90
This consists of several interacting populations occupying the same habitat.
Community
91
This consists of several interacting populations occupying the same habitat.
Community
92
The following are abiotic factors of the ecosystem except:
Flora and fauna
93
Feeding of one organism upon another in a sequence of food transfers is:
Food chain
94
In the soil ecosystem, bacteria plays an important part as
Decomposer
95
The organisms phase of the nutrient cycle refers to
Nutrients becoming part of the cell
96
The main products of photosynthesis are
Oxygen and organic molecules
97
The average conversion efficiency of energy from producers to primary consumers is
10%
98
The conversion of atmospheric nitrogen to ammonia is called
Nitrogen fixation
99
Most nitrogen found in
Atmosphere
100
Sustainability of ecosystem is made possible through
Cycling of matter and energy
101
Transpiration is a process involved in
Water
102
The density of water is highest at
4 degrees
103
Which of the following is true about the interaction among organisms
Parasitism is an interaction wherein one specie lives inside another
104
The epilimnion layer of the lake reaches its maximum depth during
Summer
105
During what season is the water in lakes circulated only at the epilimnion layer
Summer
106
The species in the hypolimnion of the lake are in what form?
Reduced
107
It is in the lake zone where sunlight can penetrate thereby allowing photosynthesis to take place
Littoral
108
Water from oceans constitute ___ % of the global water supply
97.5
109
It is not a consumptive water
Treated industrial wastewater
110
These are forests on tidal mudflat along the seacoast
Mangroves
111
Excessive groundwater withdrawals may result in
Polluted water
112
It is a government agency that is responsible for drinking water
DOH
113
Eutrophication is caused by
Inorganic nutrients
114
UNESCO declared the Tubbataha Reefs National Park as a World Heritage Site. This type of water
body is classified as:
Class SA
115
Freshwater classification in the Philippines where water is used for drinking purposes but requires
complete treatment.
Class AA
116
Which DENR Administrative Order specifies the effluent standards?
DAO 20016-08
117
Which of the following is a physical characteristic of wastewater?
Color
118
COD of wastewater is higher than BOD
True
119
The recommended range of pH of wastewater before it can be discharged to class A water is:
6-9
120
Which of the following water pollutants causes Blue Baby Syndrome?
Nitrogen
121
High BOD level of wastewater means:
High level of pollution
122
When water condition becomes anaerobic
Foul smelling gases are produced
123
What is the principal cause of organic pollution in bodies of water?
Domestic wastewater
124
____ is the primary agency in the implementation of clean water act to regulate industrial wastewater.
DENR
125
These areas have similar hydrological, hydrogeological, meteorological or geographic conditions
which affect the reaction and diffusion of pollutants in water bodies.
Water quality management areas
126
Non-attainment areas refer to water bodies that have exceeded water quality guidelines for:
Specific pollutant
127
What type of wastewater is pre-treatment usually performed?
Industrial wastewater
128
In the treatment of wastewater, what is the function of the preliminary treatment stage?
Removal of solids
129
Which among the following are addressed in the preliminary wastewater treatment?
Large solids
130
What is removed in the secondary treatment stage of wastewater?
Biodegradable organic matter
131
The waste biomass produced from biological treatment of wastewater is best known as:
Sludge
132
What is the most common secondary treatment of wastewater?
Activated sludge process
133
It is a biological wastewater treatment method using solid media covered with bacteria.
Tricking filter
134
The following are tertiary treatments methods, EXCEPT:
Sedimentation
135
Adsorption is used to remove heavy metals, pesticides and other pollutants. Which of the following is
a good adsorbent?
Carbon
136
Sludge produced during wastewater treatment may be subjected to anaerobic digestion. This process
produces a gas that can be used as fuel. Which of the following gases is this?
Methane
137
When sludge does not contain hazardous substances it can be used as
Soil conditioner
138
Among the wastewater minimization options given below, which is the most preferred option?
Good housekeeping
