NEW
Font size
WorksheetsAhs M. Epps Sayans Kwiz G9
Total questions: 80
Worksheet time: 51mins
What tube serves as the passage of air from the pharynx to the lungs and is also known as the windpipe?
bronchi
larynx
esophagus
trachea
Which of the following compounds has a of non-polar covalent bond?
acids
calcium oxide
hydrogen chloride
oxygen gas
Which characteristic of magma mainly determines its explosiveness?
amount
color
silica content
temperature
An object is launched at an angle to the horizontal on a long, flat firing range. Which angle produces the longest range? Assume that air resistance is negligible.
30 degrees
45 degrees
60 degrees
90 degrees
Why is it important to separate deoxygenated blood from oxygenated blood?
to provide more oxygen to cell.
to provide carbon dioxide to cell.
to make the flow of blood smoothly.
to change the red color of blood to purple
Which of the following compounds can form ions when dissolved in water making it a good conductor of electricity?
coffee
powdered juice
salt
sugar
Which statement describes an inactive volcano?
An active volcano that is not erupting but supposed to erupt again.
Volcano that has had at least one eruption during the past 10,000 years.
Volcanoes no longer produce eruptions but might again sometime in the future.
A volcano that has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.
What is TRUE about the vertical velocity of a projectile launched horizontally?
It is initially at its maximum value.
It increases due to gravity as it falls.
It decreases as it falls due to gravity.
It remains constant throughout its trajectory.
Why is pulmonary circulation important to the body?
It helps to adjust body temperature.
It exchanges oxygen and carbon dioxide
It pumps the deoxygenated blood from the heart to the body
It helps the heart transform oxygenated blood to deoxygenated blood.
Which is the main reason for the formation of snow in some places?
precipitation
very low temperature
formation of clouds
evaporation
Which volcanic eruption is INCORRECTLY described?
Phreatic eruption ejects a mixture of steam, water, ash, volcanic bombs and volcanic blocks, without the expulsion of new magma from the chamber.
Pelean eruption is characterized by expulsion of large amount of gas, dust, ash, and glowing lava fragments.
Strombolian eruption exhibits periodic weak to violent eruption characterized by fountain lava.
Vulcanian is characterized by fluid basaltic lava thrown into the air in jets from a vent or fissure at the summit or side of the volcano forming “fire fountain.”
Suppose a ping pong ball is tossed. When the ball reaches the highest point, which statement about the ball’s velocity and acceleration is TRUE?
Both its velocity and its acceleration are zero.
Its velocity is zero and its acceleration is not zero.
Its velocity is not zero and its acceleration is zero.
Neither its velocity nor its acceleration is zero.
What do you call the disease that deals with contraction and relaxation of the artery and stroke is the complication?
emphysema
asthma
heart attack
hypertension
Which of the following families have elements having 5 valence electrons?
Alkali Metals
Chalcogens
Pnictogens
Halogens
Which volcanic hazard causes respiratory problems?
ashfall
lava flow
lahar
tsunami
A rubber ball and a lump of clay have equal mass. They are thrown with equal speed against a wall. The ball bounces back with nearly the same speed with which it hit. The clay sticks to the wall. Which one of these objects experiences the greater momentum change?
the clay
the ball
both experience zero momentum change
both experience the same non-zero momentum change
What do you call the brown sticky substance found in cigarette that can narrow the blood vessels?
tar
carbon monoxide
nicotine
lead
How does an atom turn into ion?
If the number of electrons is less than the number of neutrons
If the number of protons and electrons present in an atom are equal
If the number of neutrons is not the same with protons and electrons
If the number of protons and electrons present in an atom are unequal
Which volcanic hazard can affect areas in coastal areas due to the impact of a large wave generated by the deformation of lake-floor or sea-floor due to rising of magma, pyroclastic flow or landslide?
Debris avalanche
Ground subsidence
Lahar
Volcanic tsunami
An astronaut floating alone in outer space throws a baseball. Which will happen to the astronaut if the ball moves away at 20 m/s?
move in the same direction at 20 m/s.
move in the opposite direction at 20 m/s.
move in the opposite direction at a lower speed.
move in the opposite direction at a higher speed.
In a DNA structure, which compounds are responsible for its backbone?
nitrogen bases and phosphate
phosphate and sugar
sugar and nitrogen bases
only nitrogen bases
What makes ammonium ion and hydroxide ion classified as polyatomic ion?
They have positive charge.
They have negative charge.
They contain only one atom.
They contain two or more atoms.
What should you do during volcanic eruption?
Use vacuum cleaner or shake the furniture to loosen and clean the ash.
Set a meeting for all the family members to talk about the family emergency plan.
Collect the ashes and put them in an area far from water drainage to avoid clogging.
Stay calm. Stay indoors. Cover your nose and mouth with damp, clean cloth or dusk mask.
If both mass and velocity of an object are constant, what can you tell about its impulse?
Its impulse would be constant.
Its impulse would be zero.
Its impulse would be increasing.
Its impulse would be decreasing
It is an alteration on the coded instructions of DNA that may produce a positive or negative result in an organism’s body.
mutation
tight coiling
gene alteration
DNA organization
Which of the following pair of elements will have ionic bond?
Oxygen and Sulfur
Sodium and Bromine
Nitrogen and Fluorine
Hydrogen and Phosphorus
What is the other name for Earth’s internal heat?
core energy
geothermal energy
magmatic energy
volcanic energy
Which situation does not describe the conservation of mechanical energy?
Take-off of an airplane.
pendulum moving to & from
a mango fruit falls from a tree.
releasing an arrow from its bow
A cross between a black cat and a tan cat produces a tabby pattern (black & tan fur together). What pattern of inheritance does this illustrate?
codominance
incomplete dominance
Mendelian inheritance
my own inheritance
Organic compounds have strong bonds that’s why long chains are formed. What kind of bond does an organic compound have?
Covalent bond
Ionic bond
Metallic Bond
Mighty Bond
What geothermal element refers to the layers of permeable rock capped by impermeable rock but is connected to a surficial recharge area?
fumes
geothermal fluid
heat source
reservoir
What happens to the potential energy of the roller coaster as it approaches the highest point?
decreases
increases
decreases then increases
increases then decreases
How many phenotypes are there in a human blood group system?
3
4
6
8
What is the maximum number of bonds a carbon atom can hold?
1
2
3
4
What happens once the geothermal fluid has been used?
It gets directed for domestic use.
It is simply disposed of as runoff
It is cooled, condensed, then reinjected.
It is treated and used as drinking water.
What unit is used to measure energy and work?
joules
kilograms
meters
meter per second
Which happens to form gametes (sex cells) among male and female organism?
meiosis
meiosis
reproduction
fertilization
What atom is most likely to form as an inorganic compound when it is bonded with Carbon atom?
Calcium atom
Carbon atom
Hydrogen atom
Oxygen atom
What is the main disadvantage of building geothermal energy plants?
Cost
Global warming
Nuclear fallout
Pollution
This states that energy is interchangeable and the total amount of energy in the universe remains constant is known as
Law of Conservation of Energy
Law of Conservation of Momentum
First Law of Thermodynamics
Second Law of Thermodynamics
Which sex-related inheritance includes hypertrichosis pinnae auris or hairy air among men?
color blindness
sex-linked
sex-influenced
hemophilia
Which of the following organic products can be used in disinfecting your hands against viruses and other foreign materials?
Acetone
Gasoline
Lubricating Oil
Isopropyl Alcohol
Which BEST describes climate?
The weather that occurs in the atmosphere within the day.
The pattern of weather that occurs in a region over a long period of time.
The pattern of weather that occurs in a region over a short period of time.
The disturbance in the atmosphere that happens in a long period of time.
The average kinetic energy of all particles in an object is called
heat
kinetic
temperature
specific heat
Which one will not happen to population size when the environment nears the carrying capacity?
reproductive rate increases
death rate increases
population size decreases
population size remains stable
Which of the following property is the easiest property to be observed?
Odor
Flammability
Viscosity
Volatility
How does point A differ from point B?
cooler and drier
cooler and wetter
warmer and drier
warmer and wetter
Which is commonly used as a refrigerant for most refrigerators?
Gas that is hard to liquefy
Liquid that is easy to solidify
Liquid that is hard to solidify
Easily converted from gas to liquid
Which mechanism of evolution takes place among organism as suggested by Charles Darwin?
genetic drift
gene flow
mutation
natural selection
The following are products which are commonly seen in households. Which of the following set of Organic Compounds is viscous?
Vinegar and Soy Sauce
Gasoline and Kerosene
Motor Oil and Cooking Oil
Acetone and Ethyl Alcohol
Why do places at the same latitude but different altitudes have different climates?
The amount of heat received varies.
The amount of precipitation differs.
The higher altitudes have lower temperature.
The higher altitudes have higher temperature.
Which refers to the energy of moving particles in the matter?
Conduction
Friction
Solar energy
Thermal energy
What function does chlorophyll play in the process of photosynthesis?
it captures light energy from the sun
it breaks down water molecules
It breaks down CO2
It forms ATP
Jane wants to preserve a frog for her experiment in Science. Which compound will she need to preserve the animal?
acetone
butane
formaldehyde
methyl alcohol
Why do bodies of water have a moderating effect on climate?
because water surfaces are flatter than land surfaces
because water gains heat more rapidly than land does
because water temperatures are always lower than land temperatures
because water temperatures change more slowly than land temperatures do
How does the deep well water move in an upward direction?
It is naturally occurring.
It is driven by a heat pump.
It is a spontaneous process.
It flows from warmer to cooler temperatures.
In the food making process, plants absorb water (H2O) and Carbon dioxide (CO2) to release oxygen (O2) and produce glucose (C6H12O6). In which part of photosynthesis is oxygen released?
Calvin cycle
Dark reaction
Light-dependent reaction
Light-independent reaction
Which of the following carboxylic acids is found in lemon?
acetic acid
ascorbic acid
palmitic acid
stearic acid
Which does not increase the level of carbon dioxide in the atmosphere?
driving a car
traveling by plane
reforestation
cutting down trees
Which improves the efficiency of a thermal power plant?
lower load in the plant
use of high steam pressures
larger quantity of water used
increased quantity of coal burnt
Which does not happen during anaerobic cellular respiration?
energy in the form of ATP is produced
breakdown of glucose into pyruvate
pyruvate reacts with NADH
Krebs cycle release carbon dioxide
Which of the following is TRUE of different substances having an equal number of moles?
equal mass
equal number of particles
the same amount of energy
equal volume per unit mass.
The Tatlong Maria is a popular constellation in the Philippines. It is a pattern of three adjacent stars in the night sky. In which bigger constellation does it belong?
Cassiopeia
Cygnus
Lyra
Orion
What is the paddle-like wheel in an engine that transforms rotational motion into mechanical energy?
generator
PV cells
turbine
wind blade
Which blood cell is responsible for blood clotting?
red blood cell
platelet
white blood cell
hemoglobin
How can the knowledge of mole be useful for environmentalists?
Mole concept can be used in environmental monitoring.
It gives information on the most dangerous pollutant in the atmosphere.
It gives feedback on the kinds of pollutants present in the atmosphere.
Mole concept can be used in measuring the amounts of pollutant-particles released in the atmosphere.
When does the greenhouse effect happen?
Greenhouse gases on the surface absorb heat from the atmosphere.
Greenhouse gases on the surface absorb heat from the Earth’s interior.
Greenhouse gases in the upper atmosphere absorb heat from outer space.
Greenhouse gases in the lower atmosphere absorb heat from the Earth’s surface.
What happens if current is transmitted at a high voltage?
Less energy is lost
More energy is lost
It produces alternating current
Underground cables are used
Which is not the product of photosynthesis?
carbon dioxide
glucose
ATP
Water
Which of the following is the ratio of the atomic mass of an element in a compound and the total mass of all elements in the compound multiplied by one hundred?
percent yield
percent by mole
percent by whole
percentage composition
Which gas does not trap heat?
carbon dioxide
methane
nitrogen
water vapor
How does a photovoltaic cell transform energy in solar power plants?
heat energy into mechanical energy
chemical energy into electrical energy
solar energy into electrical energy
electrical energy into chemical energy
When we inhale, particles are trapped in a layer of mucus and tiny hairs found in the nasal cavity. What do you call these tiny hairs that filter particles to enter the lungs?
valve
mucus
cilia
alveoli
Acetylene is a gas which is used in welding torches. What is the other name of this gas?
ethane
ethene
ethyne
ethanol
What do you call a group of stars in the sky that resembles a pattern attributed to a creature or a mythical character?
constellation
dwarf planet
solar system
supernova
Which BEST defines mechanical energy?
the energy of an object due to its concentration
the energy possessed by an object due to its temperature
the energy possessed by an object due to its magnetic property
the energy possessed by an object due to its location or position and its motion
How will you detect if you have Chronic Obstruction Pulmonary Disease?
on and off high fever with difficulty in breathing
colds and coughing in three days
sleep disturbances
a week of cough with phlegm
Which is the main reason why electron(s) of metal element tend(s) to transfer completely to non-metal element?
metals have higher melting point
non-metals have low melting point
metals have lower electronegativity value
metals have higher electronegativity value
Which of the following is true about circumpolar constellations?
They are seen only during the summer season.
They can be seen when they are far from the horizon.
They are observed in the night sky regardless of the season.
They are not totally observed since they are always on the side of the Sun.
Which situation most closely resembles an inelastic collision?
a player kicking a soccer ball
a baseball being struck by a bat
a linebacker tackling a running back
a tennis racquet striking a tennis ball a player kicking a soccer ball
