General Science (DOST Reviewer)

This General Science Practice Test is comprised of 50 random questions from General Biology, Chemistry, Physics, and Earth Science that will test your ability in accomplishing various important scientific tasks. Please read the questions carefully and choose the correct answer from the choices below. The correct answer will be marked green, otherwise, red. After answering all the questions, share it on Facebook to view the results. Good luck! 

Earth has how many natural satellites visible to the naked eye?
Sound of frequency below 20 Hz is called:
The diagram shows two types of movements of Earth's crust. What feature of the ocean floor develops in the region labeled A?
What is the curved path that an object follows when thrown or launched near the surface of the Earth?
The force of __________________ is a type of friction that works against the motion of falling objects.
Organisms in temperate zones are able to time their activities to cues given by the photoperiod, since:
According to the law of conservation of momentum, when two objects collide in the absence of outside forces,
Sandra was burning a vanilla candle. Was there a chemical reaction?
How many valence electrons do elements in group 17 have in their outer energy level?
What happens when two forces act in the same direction?
Isotopes of an element contain same number of:
A skydiver with a mass of 70 kg accelerates to Earth at a rate of 9.8 m/s2 due to gravity. What is the force on the skydiver?
If the distance between the earth and the sun were twice what it is now, the gravitational force exerted on the earth by the sun would be:
Glass is made of the mixture of:
Who formulated the geocentric theory?
Deep blue color is imparted to glass by the presence of:
Kepler's second law or the equal area law states that the closer a planet is to the sun the ________ it travels.
The human body has 23 homologous pairs of chromosomes. How many chromosomes does a somatic cell have?
Natural radioactivity was discovered by:
Nucleotides are made up of a sugar, phosphate, and..?
The lithosphere combines what two layers?
It is easier to roll a barrel than to pull it because:
Which two substances can be mixed together to form a new substance through a chemical reaction?
The transfer of heat by the movement of a fluid is called
One finds it more difficult to walk on ice than on a concrete road because:
Any force that causes an object to move in a circle is called a(n)
What level does the mice primarily eat in?
Which one of the following is not a chemical change?
Optic fibers are mainly used for which of the following?
A battery operated DVD player uses 12 volts from AA batteries and draws a current of 3 amperes. What is the resistance?
Ptyalin is an enzyme produced in the:
Distillation is the process of separating liquids by using _____.
Around what body of water will you find the region known as the Ring of Fire?
It is a special area of the atmosphere that protects the Earth from harmful ultraviolet rays emitted by the sun.
Vitamin D can be obtained from _______________.
Which one of the following is a source of methane emission into the atmosphere?
The ________________ tells you how many energy levels are used in an element.
Most of the mass in an atom is made up of _____________________?
Radioactivity is a phenomenon of the spontaneous emission of:
The gas used for artificial ripening of green fruit is:
Which of the following is common bleaching agent?
Which correctly places the stages of mitosis in order?
The group number tells us how many _________ there are in an element.
Which layer of Earth has the GREATEST density and is solid?
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?
Why is DNA important?
A body is taken from the earth to the moon:
What it the process called when acids and bases react to form salt?
Which symbiotic relationship is described by one individual benefiting and the other being neither harmed nor benefited?
The greater the mass of an object,