GEN ED (SCIENCE)
Student : our conclusion is wrong. It is the opposite of what we learn the lecture.
Which trait of a scientist does student seem not have?
Open-mindedness
Student b and c : that's what came out after we designed the experiment and observe for 2 weeks we should not change the result.
Students b and c display which part of a scientist?
Truthfulness
Student d : maybe it's good to find out why are findings differ from what was given in the lecture. why not repeat the same experiment?
What can student be said to have the bearing of a scientist?
He/she has a critical mind
Monica respects the ideas of her colleagues even if they are very much contrary to her own beliefs. What important scientific attitude is seen in her actions?
Open-mindedness
Carlito weighs evidences dutifully making any conclusion and decision. He dissects the information individually before coming to a final conclusion. What scientific attitude is he displaying?
Rationality
During period of increase global temperatures, which of the following is most likely to occur?
An increase in atmospheric CO2
Why is the philippines much hotter than canada? the philippines _____.
Receive sun rays closer to vertical position
Geothermal energy, an energy resource in the country is based on which phenomenon?
There are concentrations of heat in some places of earth's crust
Which of these effects generally occurs as a result of warm air mass and a cooler air mass converging at earth's surface?
Stormy weather patterns develop develop
Why do fisher folks catch more fish during the new moon than during the full moon?
Fishes are attracted to the light from the fishing boat which fisherman makes use of during the new moon.
Bagoong smells because _______.
Molecules from bagoong spread in air
Every morning when the sun shines through the glass jalousies of maria's window she sees a rainbow on her wall. Which could explain this?
The glass jalousies break up the beam of sunlight into the colors of the rainbow.
Which of the following is true about light and seeing?
Light hits an object, bounces, and then enters the eyes.
Why do leaves with green color look green in the sunlight?
They reflect green light
Why does the level of water in a beaker rise after a stone is placed in it?
The stone takes the place occupied by water
Why do people feel their ears pop or crack when they are up in the air?
There are less air particles
Which of the following activities help reduce water pollution?
Treating wastewater before it is discharged.
The manager of textile factory considers at too expensive to treat liquid ways so he suggested digging a whole near the factory where the waste can be stored. Is this environmentally safe?
No, the liquid waste will seep to the groundwater.
Why are night schooler when the sky is clear than when it is overcast?
There is no cloud cover to prevent heat from escaping.
Children born with a deficiency of thyroxin________ if deficiency is not checked.
Become mentally retarded
The correct way of eating fruits is when eaten ______.
With an empty stomach
An solar eclipse of the sun throws the shadow of the _____.
Moon on the earth
Earth shadow fall on the moon?
Lunar eclipse
The following are effects of global warming except _____.
Thinning of the ozone layer
Which among the following represents the smallest unit of life?
Cell
Which of the following best describes a group of cells that work together to perform a function?
Tissue
Which among the following are duplicated during the process of mitosis?
Chromosomes
Plants create their own food by absorbing and processing sunlight. The ability to produce one's own food source is metabolic process known as _____.
Autotrophy
Fungi absorb the nutrients from dead organism. In an ecosystem what rules do they play?
Saprophytes
Which among the following cell organelles does not participate in cellular division?
Ribosomes
Which of the following is an example of symbiotic relationship?
Weeds clinging to the roots of trees in your backyard
Which of the following is not an example of a naturally occurring sugar?
Mitose
What is the main difference between prokaryotes and eukaryotes?
The eukaryote has a nucleus, but the prokaryote does not have.
Which of the following statements is true about parasites and their relationships with their host?
The parasite enjoys the benefits of a relationship in which the host is harm or killed.
Vascular tissue that transport water in leaves connects directly to which of the following?
Xylem in the stem
One immediate cause of a decrease in the rate of photosynthesis is a reduction in the availability of which of the following substance?
Carbon dioxide
Which type of digestion occurs in the mouth when an individual chews a piece of bread?
Both mechanical and chemical digestion
Which among the following gases is green color?
Chlorine
What does a pH below 7 indicate?
Acidity
Which does a pH above 7 indicate?
Bases
Which of the following best describe the amount of energy required to remove an electron from a gaseous atom?
Ionization energy
Which among the following has the most polar bond?
HF
A molecule or an ion is classified as lewis base if it has which of the following properties?
Donates pair of electrons
Which among the following elements can be drawn into thin wires and hammered into tin sheets?
Cu
Alchemist in ancient egypt tested gold for purity by remelting it and hitting it if the gold become whiter, it contained _______.
Silver
Salts of which of the following metals are added to fireworks to make them brilliant red?
Strontium
What intermolecular forces do geckos and other lizards used to stick to walls and ceilings?
Van der Waals forces
If no more solute can be dissolved in a solvent at a given temperature then that solution is called ______.
Saturated
A horizontal row of elements on the Periodic Table is known a(n) _____.
Period or Series
According to the modern periodic table law the chemical properties of the elements are periodic function of their _____.
Atomic number
Breaking up solid speeds dissolving in a liquid by ______.
Increasing surface area
Fats do not dissolve in water because fats _____.
Are nonpolar and water is polar
What is the location on earth's surface that is directly above the place where an earthquake originates?
Epicenter
If there are several earthquakes in a row, what is the name of the largest of these earthquakes?
Mainshock
What is the partially molten layer of the earth called?
Asthenosphere
What part of the earth is thought to be composed of iron and nickel?
Core
What is the numerical value for the hardest mineral on the Mohs hardest scale?
10
Which among the following properties is a measure of how easily a mineral can be scratched?
Hardness
Rock fragments thrown into the air during a volcanic eruption are called _______?
Tephra
What is a pyroclastic flow?
A mixture of volcanic gas, ash and other tephra.
What type of clouds produce thunderstorms?
Cumulonimbus
What is an example of natural air pollution?
Smoke from forest fire
How is oxygen released into the earth's atmosphere?
Photosynthetic plants
What is true of the earth throughout geologic time?
Warmer and colder than the present
Where are most asteroids located?
Between mars and jupiter
Before metamorphism, marble was what type of rock?
Limestone
What type of lens is a magnifying glass?
Convex
What is the name of the point where light rays from infinity converge after passing through a lens?
Focus
Which of the following is not a good heat insulator?
Iron
Bending of light rays when they enter a different medium is known as _____.
Refraction
When a spring is released its potential energy is converted to ______energy.
Kinetic
A car is traveling in a circle with a constant speed. Which statement is true?
The core has changing velocity and changing acceleration
A convex mirror has focal length of an object is placed between
Virtual and reduce in size
Rays that pass through a lens very close to the principal axis are more sharply focused than those that are very far from the axis. This spherical aberration helps us understand which of the following phenomena?
It is easier to read in bright light than it is in dim light
If you lower the frequency of a wave in a string you will ______.
Increase its wavelength
Which is the method that uses organism to clean up toxic waste?
Bioremediation
The process of restoring mind land to its original contours and vegetation is called _____.
Reclamation
Which is not an effect of increase urbanization?
Preservation of natural habitats
Why are ecosystems with high biodiversity more stable than those with fewer species?
They recover from negative events more quickly
What combined with atmospheric moisture to create acid precipitation?
Sulfur dioxide and nitrogen oxide
Which one correctly explains global warming?
An increase in earth's average surface temperature
What is the production of two usable forms of energy at the same time from the same process?
Cogeneratiom
How is biogas produced?
Conservation of plant and animal waste in a digester
Which is the process in which a heavy nucleus divides to form smaller nuclei, one or two neutrons, and a large amount of energy?
Nuclear fission
Iodine is a mineral found in seafood and iodized salt. Which gland in human body needs iodine for the regulation of growth?
Thyroid gland
Scurvy is caused by the lack of ___.
Vitamin C
Which blood type is regarded as the universal donor?
Type O
What is the largest organ in the human body?
Skin
Osteoporosis is a disease that results that results in weak bones. what foods would you need to eat to help prevent this disease?
Dairy products
What do you call the device used to measure the blood pressure of a person?
Sphygmomanometer
The process that most living organism perform to obtain energy from sugar and oxygen is called _____.
Respiration
Breathing is controlled by the part of the brain called the _____.
Medulla oblongata
Why do seasons occur in earth?
Earth's axis is tilted
Which part of the flower develop into fruits?
Ovary
Trace the energy transformation when a flashlight is on.
Chemical to electrical to light
Which is the correct sequence of the stage of mitosis?
Prophase, metaphase, anaphase, telophase
The propulsion of jets and rockets is based on newton's law of _____.
Interaction
Why are shadows formed?
Light travels in a straight line
What produce that tremendous energy of the sun?
Nuclear fusion
Which has the highest specific heat?
Water