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 rotates in about _______ hours.
Who formulated the geocentric theory?
Kepler's First Law states that the _______ is at one of the foci of the orbits of the planets in our solar system
The gas used for artificial ripening of green fruit is:
The lithosphere combines what two layers?
The force of gravity on a person or object on the surface of a planet is called
Which is/are the important raw material(s) required in cement industry?
Which two substances can be mixed together to form a new substance through a chemical reaction?
Distillation is the process of separating liquids by using _____.
The flower of a plant is involved in reproduction. Which parts are male and which are female?
Organisms in temperate zones are able to time their activities to cues given by the photoperiod, since:
Glass is made of the mixture of:
Radioactivity is a phenomenon of the spontaneous emission of:
Vitamin D can be obtained from _______________.
The existence of microorganisms in the human gastric system is an example of:
One finds it more difficult to walk on ice than on a concrete road because:
The fossil of Archaeopteryx represents the evidence of origin of:
When two mercury drops are brought into contact, they merge to a bigger drop because liquids have tendency to possess:
Any force that causes an object to move in a circle is called a(n)
Sound of frequency below 20 Hz is called:
The weight of a body is:
Deep blue color is imparted to glass by the presence of:
Natural radioactivity was discovered by:
What level does the mice primarily eat in?
What is the greenhouse effect?
Smoke is an example of a _____ because its suspended particles are just small enough not to layer out.
The universal law of gravitation was propounded by:
Which symbiotic relationship is described by one individual benefiting and the other being neither harmed nor benefited?
The hardest form of carbon is?
Sandra was burning a vanilla candle. Was there a chemical reaction?
Why is DNA important?
The group number tells us how many _________ there are in an element.
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?
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:
Where are earthquakes most likely to occur?
A woman lifts 20 bricks, each of weight 6N. What other information is needed to calculate the useful work done in lifting the bricks?
Metamorphic rock forms as a result of:
What it the process called when acids and bases react to form salt?
It is easier to roll a barrel than to pull it because:
Which statement is correct?
The thinnest layer of the Earth is?
The living material comprising the bulk of a cell is called the:
Isotopes of an element contain same number of:
Which one of the following is a source of methane emission into the atmosphere?
Alex wants to mix two substances together and to find out if a chemical reaction happens. What should he do?
Carbon dioxide is called a greenhouse gas because:
Of the planets below, which has the largest number of satellites?:
Nucleotides are made up of a sugar, phosphate, and..?
Which occurs when atoms link together in new ways to create a substance different from the original substances?
The gravitational force with which the sun attracts the earth: