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! 

Smoke is an example of a _____ because its suspended particles are just small enough not to layer out.
Which is/are the important raw material(s) required in cement industry?
A battery operated DVD player uses 12 volts from AA batteries and draws a current of 3 amperes. What is the resistance?
Kepler's second law or the equal area law states that the closer a planet is to the sun the ________ it travels.
In animals, sexual reproduction depends on the production of gametes. Which of the following processes produces gametes in animals?
The lithosphere combines what two layers?
Which of the following is common bleaching agent?
One should not connect a number of electrical appliances to the same power socket because:
Which two substances can be mixed together to form a new substance through a chemical reaction?
Scientists once thought that the continents had formed in their current locations. Alfred Wegener first published this theory of continental drift in 1915. Which of the following provides evidence for continental drift?
What is the name of the solid that forms after some solutions react chemically?
Which particle contributes the negative charge to the atom?
A woman lifts 20 bricks, each of weight 6N. What other information is needed to calculate the useful work done in lifting the bricks?
When two mercury drops are brought into contact, they merge to a bigger drop because liquids have tendency to possess:
Which component of a nucleotide contains the information needed to make proteins?
Most of the mass in an atom is made up of _____________________?
The universal law of gravitation was propounded by:
Around what body of water will you find the region known as the Ring of Fire?
What is the curved path that an object follows when thrown or launched near the surface of the Earth?
Optic fibers are mainly used for which of the following?
Who formulated the geocentric theory?
Which layer of Earth has the GREATEST density and is solid?
Any force that causes an object to move in a circle is called a(n)
Rate of change of velocity is called:
When velocity is doubled:
Which statement is correct?
Glass is made of the mixture of:
Earth rotates in about _______ hours.
Sandra was burning a vanilla candle. Was there a chemical reaction?
Which rock will most likely contain fossils?
The Earth's diameter is approximately how many kilometers?
The gas used for artificial ripening of green fruit is:
The transfer of heat by the movement of a fluid is called
Why should we wear light colored clothes during summer?
The weight of a body is:
Earth has how many natural satellites visible to the naked eye?
According to Newton’s third law of motion, the strength of a reaction force is ____________________ the strength of the action force.
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?
Which one of the following is a source of methane emission into the atmosphere?
Distillation is the process of separating liquids by using _____.
What it the process called when acids and bases react to form salt?
One finds it more difficult to walk on ice than on a concrete road because:
Which of the options below is an example of velocity?
In vulcanization, natural rubber is heated with:
Organisms in temperate zones are able to time their activities to cues given by the photoperiod, since:
Metamorphic rock can form from:
What is the greenhouse effect?
The greater the mass of an object,
The human body has 23 homologous pairs of chromosomes. How many chromosomes does a somatic cell have?
Vitamin D can be obtained from _______________.