BIOLOGY
CHEMISTRY
EARTH SCIENCE
PHYSICS
RANDOM
1
What term is use to an organism who capable of producing its own food?
A. Autotroph
B. Heterotrophs
C. Detritivores
D. Decomposers
Answer: A. Autotroph
1
Who proposed the atomic theory that stated all matter is composed of indivisible atoms and that atoms of the same element are identical in mass and properties?
A. John Dalton
B. Ernst Rutherford
C. Niels Bohr
D. Dmitri Mendeleev
A. John Dalton
1
What do you call the partly melted rock layer on which the plates move?
ASTHENOSPHERE
1
Which point has the highest value of potential energy?
Answer: 1
1
What valve facilitates the one way flow of oxygenated blood from the left atrium to the left ventricle?
Answer: Bicuspid Valve or Mitral Valve
2
How many of the humans’ 46 chromosome are autosomes?
Answer: 44
2
What is the term given to a solid that has the ability of a solid to be hammered into a thin sheet?
Answer: Malleability
2
What gas contributes most to enhance the greenhouse effect?
A. Oxygen
B. Methane
C. Nitrogen
D. Carbon dioxide
D. Carbon dioxide
2
What is the unit of work?
Answer: Joule
2
What are the primary colors of the light?
Red, Blue, Green
3
What do you call the alteration in the genetic material of a cell of a living organism that is more or less permanent and that can be transmitted to the cell’s descendants?
Answer: Mutation
3
An element is determined by the number of _______________ which is also known as its atomic number.
Answer: Proton
3
What is the shape of the Earth's orbit around the Sun, which it follows during its revolution?
Answer: Elliptical
3
In law of acceleration, if you double the mass of the object, what happens to the acceleration of it when you apply a constant value of force?
Answer: It will be halved/ ½ the original value
3
What is the imaginary line called that the Earth rotates around, causing day and night?
Answer: Axis.
4
Which part of the neuron receives signals from other neurons?
Answer: Dendrite
4
If you dissolve 10 grams of salt in 90 ml of water, what is the percent by mass of the salt in the solution?
Answer: Percent by Mass of Salt = 10%
4
How many degrees does the Earth rotate on its axis in one hour?
Answer: 15 degrees
4
When white light passes through a blue filter, what color will be reflected?
Answer: Blue
4
Which planet is often called Earth's "sister planet" due to its similar size and composition?
Answer: Venus
5
What is the name of the process in which mRNA is synthesized from a DNA template?
Answer: Transcription
5
Who proposed the first widely recognized periodic table, arranging elements by atomic mass and leaving gaps for undiscovered elements?
Answer: Dmitri Ivanovich Mendeleev
5
Which type of volcano would be the most explosive?
Answer: Stratovolcano
5
What is the mathematical relationship of wavelength and frequency of an electromagnetic wave?
Inverse proportionality
5
Using the electron configuration below, how many electrons does the atom contain?
1s2 2s2 2p6 3s2 3p6 4s1
Answer: 19 electrons