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! 

What is the greenhouse effect?
According to Newton’s third law of motion, the strength of a reaction force is ____________________ the strength of the action force.
The universal law of gravitation was propounded by:
Alex wants to mix two substances together and to find out if a chemical reaction happens. What should he do?
Which of the following is an example of a homozygous dominant genotype?
The roller coaster has the most kinetic energy at position-
Which of the following properties of water enables it to move from the roots to the leaves of plants?
The mass number of a nucleus is:
Sandra was burning a vanilla candle. Was there a chemical reaction?
The human body has 23 homologous pairs of chromosomes. How many chromosomes does a somatic cell have?
Which layer of Earth has the GREATEST density and is solid?
If a car is rolling down a ramp, the force between the tires and the ramp is an example of:
The force of __________________ is a type of friction that works against the motion of falling objects.
Which two substances can be mixed together to form a new substance through a chemical reaction?
Which occurs when atoms link together in new ways to create a substance different from the original substances?
The weight of a body is:
Sound of frequency below 20 Hz is called:
The lithosphere combines what two layers?
Which symbiotic relationship is described by one individual benefiting and the other being neither harmed nor benefited?
What level does the mice primarily eat in?
Which one of the following is not a chemical change?
Which correctly places the stages of mitosis in order?
In vulcanization, natural rubber is heated with:
Why is DNA important?
Mumps is a disease caused by:
Which particle contributes the negative charge to the atom?
Your rocket eventually reaches an altitude of approximately 1,000 km (620 mi) above the Earth's surface. Here you will reach an area where belts of radiation surround the Earth. What are these belts called?
Most of the mass in an atom is made up of _____________________?
One should not connect a number of electrical appliances to the same power socket because:
Vitamin D can be obtained from _______________.
Which rock will most likely contain fossils?
Why should we wear light colored clothes during summer?
What is the name of the solid that forms after some solutions react chemically?
Rate of change of velocity is called:
Around what body of water will you find the region known as the Ring of Fire?
Smoke is an example of a _____ because its suspended particles are just small enough not to layer out.
Peanut ran 50 meters in 10 seconds. What was Peanut's average speed?
According to the law of conservation of momentum, when two objects collide in the absence of outside forces,
Metamorphic rock forms as a result of:
You are at the Kennedy Space Center, sitting in your rocket, ready to launch. You look out the window and view the sky. You are currently sitting at the lowest level of the atmosphere. What is this level called?
Which statement is correct?
Fill in the blanks: Proteins are made of different ____________ which are arranged in different orders, or _________________.
How many valence electrons do elements in group 17 have in their outer energy level?
What it the process called when acids and bases react to form salt?
Where are earthquakes most likely to occur?
A force is a ____________________
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?
Radioactivity is a phenomenon of the spontaneous emission of:
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?
In natural selection, one variation which is present in ALL members of a population is a called a -