WorksheetsPreliminary Exam 2nd Sem AY 2022-2023
Total questions: 90
Worksheet time: 45mins
Protects the earth from the damaging UV radiation
O3
H2O
N2
O
The pressure __________as altitude increases.
stay the same
decreases
increases
stationery
The following are uses of O2 except______
burning of fuels
decay of rocks
utilizing energy from food
for photosynthesis
Trapping infrared radiation of water vapor, carbon dioxide, etc. to keep the earth warm.
greenhouse effect
global warming
climate change
Reacts to sulfur compounds to form acid rain
sulfuric acid
carbonic acid
hydrogen sulfide
nitrogen oxide
The following are effects of acid rain except
corrosion
death of organism
respiratory problems
smog
Region in the atmosphere where aircraft flies
troposhere
tropopause
stratosphere
stratopause
Region in the atmosphere where weather occurs
troposhere
tropopause
stratosphere
stratopause
This interaction between the atmosphere and geothermal energy is responsible for weather and climate.
True
False
Above Earth’s surface
and contains a layer of ozone critical to life
because it absorbs much of the sun’s
damaging ultraviolet radiation.
Stratosphere
Troposphere
Mesosphere
Stratopause
A colorful display of lights in dark
polar skies which is produced when charged particles from the sun hit oxygen or nitrogen molecules in the thermosphere.
rainbow
clouds
aurora
ozone
The ability of gases to absorb infrared radiation and therefore warm the troposphere.
greenhouse gases
greenhouse effect
Coriolis effect
ozone depletion
The influence of Earth’s rotation,
which tends to turn fluids (air and water) toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere.
greenhouse effect
Coriolis effect
aurora phenomenon
revolution
Tropical winds that generally blow from the northeast in the Northern Hemisphere or from the southeast in the Southern Hemisphere.
polar easterlies
westerlies
trade winds
tropical depression
Weather, including turbulent wind, storms, and most clouds, occurs in this layer.
Troposphere
Stratosphere
Mesosphere
Thermosphere
Temperatures drop steadily in this layer to the lowest in the atmosphere as low as -138°C.
Troposphere
Stratosphere
Mesosphere
Thermosphere
Important in long-distance communication because it reflects outgoing radio waves back to Earth without the aid of satellites
Troposphere
Stratosphere
Mesosphere
Thermosphere
It is where meteor burns up from friction with air molecules.
Troposphere
Stratosphere
Mesosphere
Thermosphere
The warm surface near the equator heats the air in contact with it, causing this air to expand and rise.
conduction
convection
radiation
fusion
Complex horizontal movements of the atmosphere.
winds
clouds
aurora
radiation
Used as access points for maintenance in Qanats.
Mother well
Access shaft
Channel
Distribution
Bodies of saturated rocks or geological formations through which volumes of water find their way (permeability) into wells and springs.
Aquifers
Dams
Wells
Groundwater
Groundwater may be used as an outlet of heat for energy-efficient commercial and residential heating/cooling systems.
True
False
Act as conduits for transmission and as reservoirs for storing groundwater
aquifer
water table
qanat
grouwater
Advantage/s of groundwater as a source of water.
water must be pumped
recharge opportunity usually dependent on surface water flow
high biological purity
water maybe available by gravity flow
In general, the soil above the water table is saturated, and it is unsaturated below the water table
True
False
Which of the following statement/s is/are false about unconfined aquifers?
The lower surface of the zone of saturation in aquifers that are not confined by impermeable geologic material is called the water table.
The smaller void spaces in the geologic material just above the water table may contain water as a result of interactive forces between the water and the soil.
The process of soil drawing water above its static level is known as surface tension.
In the figure, which has the pressurized water?
water table
unconfined aquifer
confined aquifer
confining bed
A lens of water held above the surrounding water table by an impervious geologic layer, such as bedrock or clay.
perched aquifer
aquicludes
aquitards
artesian
The system is analogous to a manometer with restriction.
unconfined aquifer
confined aquifer
artesian aquifer
perched aquifer
The water in a confined aquifer may be under considerable pressure due to the permeable nature of the confining layers, which allow flow, or due to elevation differences in the aquifer.
True
False
The greater the vertical distance between the recharge area and the bottom of the top confining layer, the higher the height of the water, and the higher the pressure.
True
False
It is the measure of the pressure in an aquifer.
piezometric head
piezometric surface
piezometer
height of the water in the tube
Head of location 1 minus the head of location 2, divided by the distance between the 2 locations.
piezometric head
hydraulic gradient
head loss
volume gradient
Aquicludes allow more water than aquitards.
True
False
The percentage of a rock's total volume that is taken up by pore space is called the _______.
permeability
recharge
aquifer
porosity
Permeability is __________ .
the ability of a solid to allow fluids to pass through
the process by which plants release water vapor to the atmosphere
the amount of water vapor in the air relative to the maximum amount of water vapor the air can hold.
the percentage of pore space in the rock
The best groundwater reservoirs have __________ .
low permeability and low porosity
low permeability and high porosity
high permeability and low porosity
high permeability and high porosity
The ability of an Earth material to transmit water is a measure of its:
porosity
aquifer characteristics
chemical cement
permeability
A local water table positioned above the regional water table is said to be:
saturated
perched
displaced
unsaturated
The boundary between the saturated zone and the unsaturated zone is called the______ .
water table
aquifer
aquiclude
porosity
What is the term for a relatively impermeable geologic unit?
an artesian
an aquiclude
an aquifer
a zone of saturation
Which of the following rocks has the highest permeability?
an unfractured shale
a cemented sandstones
an uncemented sandstone
all of these rocks have approximately the same permeability
What is the difference between the saturated and the unsaturated zones of ground water?
the saturated zone has a higher porosity than the unsaturated zone
the saturated zone has a lower porosity than the unsaturated zone
the pore spaces in the saturated zone are completely full of water; the pore spaces in the unsaturated zone are not completely full of water.
the pore spaces in the saturated zone are not completely full of water; the pore spaces in the unsaturated zone are completely full of water
Which of the following can contaminate an aquifer?
landfills
agricultural regions
gas stations
all of these
Ilocos Norte ranked second with 49.3 thousand farms, covering 37.3 thousand hectares while Ilocos Sur came in third with 46.9 thousand farms, covering 36.1 thousand hectares. The groundwater resources of the two provinces are most likely contaminated with:
chlorine
arsenic
fluoride
selenium
Most common nitrogen compound contaminant in groundwater
NO3
NO2-
NH4+
N2
Low porosity always mean low permeability, and high porosity always mean high permeability.
True
False
The property of porous media where in the amount of water being stored depends on the surface area of the soil or rock is _________.
specific retention
specific yield
void ratio
moisture content
A groundwater contaminant of about 1-2 mg/L can lead to explosion when no proper ventilation is maintained.
methane
oxygen
nitrogen
carbon dioxide
Green plants and algae use inorganic carbon in the form of the following compounds except...
carbon dioxide
bicarbonate
carbonate
carbonic acid
In a photosynthetic reaction, how many moles of oxygen molecule is produced when 8400 kJ of energy from the sun is used up?
6
12
18
24
Carbon tetrachloride and ethanol (ethyl alcohol) are individually toxic to the liver, but together they produce much more liver injury than the sum of their individual effects on the liver. This is an example of ___________.
Synergistic effect
Antagonistic effect
Additive effect
Potentiation
Identify the different abiotic components within the picture given.
sunlight & heat
insects
mounds
protozoans
rotting log
Detritus feeders work with microbial decomposers to destroy dead organisms and wastes products.
True
False
Cannot be determined
In a terrestrial setting, what organism is at the highest trophic level.
whales
shark
humans
grasshopper
They play a very important role in the environment due to their capability to breakdown complex substances ready for reuse and recycle of important chemical nutrients necessary to sustain ecological interactions.
saprotrophs
detritus feeders
heterotrophs
autotrophs
The intersection point of the Earth's three physical environments, where biotic and abiotic interaction happens.
atmosphere
hydrosphere
lithosphere
biosphere
Using the rule of thumb that 10% of the energy consumed is used in the production of biomass, calculate the LEAST possible amount of energy consumed by the frog through the food chain depicted in the figure, assuming that the Berries/Plantain contains 1000 joules of energy.
1000
100
10
1
0.1
The following are factors affecting the toxicity of a certain chemical except:
type of compound
duration of exposure
concentration of the contaminant
origin of contaminant
Omnivores may be considered as either primary, or secondary/tertiary consumers.
false
true
cannot be determined
It shows how organisms and their food chains are represented in various complex relationships.
food web
producer-consumer relationships
food linking
trophic level
The absence of energy from the sun during the night is not a hindrance to producers to sustain their biological processes. They undergo the so called aerobic respiration where a particular chemical oxidized to form carbon dioxide, water and energy. What is/are this/these chemical compound/s?
glucose
oxygen
nitrogen
phosphorus
starch
Typically, mercury is taken up by bacteria and phytoplankton. Small fish eat the bacteria and phytoplankton and accumulate the mercury. The small fish are in turn eaten by larger fish, which can become food for humans and animals. This situation can describe the phenomenon called ______________.
Bioconcentration
Bioaccumulation
Biomagnification
Biosynthesis
Inhalation of certain acid vapours at concentrations may, over long periods of time, cause loss of tooth enamel, eventually leading to extensive tooth decay. This is an example of...
Acute toxicity
Chronic Toxicity
Immediate Toxicity
Carcinogenic Toxicity
As energy flows through the food chain, it is converted to heat and is lost as useful nutrient.
True
False
Cannot be determined
Conversion of organic nitrogen to ammonium/ammonia nitrogen.
Deamination
Denitrification
Nitrification
Oxidation
Growth-limiting nutrient of organisms.
Carbon
Nitrogen
Phosphorus
Sulfur
Enzyme that speeds up the oxidation of hydrogen sulfide converting it to sulfuric acid.
Thiobacillus
Acetylcholinesterase
Helicase
Maltase
While insulin lowers blood sugar, glucagon raises it. Thus, regulating the major physiological function of these two chemicals is crucial in order to keep up a healthy level of glucose in blood. This is an example of ___________.
Synergistic effect
Antagonistic effect
Additive effect
Potentiation
Water is one of the few substances that can be found in all three states within the earth's climatic range.
True
False
Cannot be determined
Water acts as a climate ameliorator through the power absorbed and released during transformation between the different phases.
True
False
Cannot be determined
The solvent properties of water prevent the uptake of vital nutrients from the soil and into plants; this then allows the transfer of the nutrients within a plant's structure.
True
False
Cannot be determined
In places such as Norway, parts of the USA and New Zealand energy generation for domestic and industrial consumption is through hydro-electric schemes, harnessing the combination of water and gravity in a sustainable manner. What device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft?
Turbine
Generator
Electrolytic Cells
Reactor
It is the bond existing between atoms in a water molecule which makes a stable pair through sharing of electrons.
covalent bonding
ionic bonding
hydrogen bonding
van der Waals interaction
The partial negative charge on the O of one molecule can form a bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions. This phenomenon occurs due to existence of a certain type of bond called...
hydrogen bond
covalent bond
ionic bond
van der Waals forces
The robustness of the water molecule means that it stays as a water molecule within our atmosphere because there is not enough energy available to break the ionic bonds and create separate oxygen and hydrogen molecules.
True
False
The main reason why ice floats in liquid water.
Given the same masses, ice has a bigger volume compared to the volume of liquid water.
Ice contains air which makes it float in liquid water.
Given the same volume, ice has a smaller mass compared to the mass of a liquid water.
Among hydrogen, air, oil SAE 10 and Oil no. 3, which of them flows fastest at 70 deg C?
hydrogen
air
oil SAE 10
Oil no. 3
Defined as the amount of heat required to raise the temperature of 1 kilogram of a substance by 1 kelvin.
specific heat capacity
density
latent heat
viscosity
Heating causes the movement of water molecules and that the movement requires the breaking of the hydrogen bonds linking them. The large amount of energy required to break the ionic bonds in water gives it such a high specific heat capacity.
True
False
It is calculated by taking the moles of solute and dividing by the kilograms of solution.
Molarity
Molality
Part per million
Percent by weight
None of the above
Water on the surface of spongy and palisade cells (inside the leaf) evaporates and then diffuses out of the leaf through the stomata. As the xylem cells make a continuous tube from the leaf, down the stem to the roots, this acts like a drinking straw, producing a flow of water and dissolved minerals from roots to leaves. The process described above is what we call the __________.
Evaporation
Transpiration
Evapotranspiration
Precipitation
The rate of flow of water measured in volume per area of the stream.
volumetric flowrate
volumetric flux
mass flowrate
As the time from the beginning of storm increases, what happens to the infiltration capacity into soil based on the Horton's Equation?
decreases
increases
remains the same
cannot be determined
Precipitation in the water balance equation represents the main input of water to a surface. Precipitation is a flux of either rainfall or snowfall.
True
False
The storage term includes soil moisture, deep groundwater, water in lakes, glaciers, seasonal snow cover. The runoff flux is the movement of liquid water above and below the surface of the earth.
True
False
Cannot be determined
Portion of precipitation that infiltrates into the soil and moves horizontally through the shallow soil horizon without ever reaching the water table.
Streamflow
Baseflow
Interflow
Overflow
It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth
Evaporation
Transpiration
Evapotranspiration
Precipitation
Water that exists underground in saturated zones beneath the land surface.
runoff
watershed
baseflow
groundwater
