FEMALE-REGIONAL ASSESSMENT PHYSICAL SCIENCE
Quiz by Leo Lumanog
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- Q1
What type of nuclear synthesis is believed to be the origin of the production of heavy elements?
Supernova Nucleosynthesis
Stellar Nucleosynthesis
Primordial Nucleosynthesis
Big Bang Nucleosynthesis
30s - Q2
Suppose you are tasked to determine the distance of stars that are less than 300 light years away, which method would you use?
Parallax
Standard candles
Spectroscopy
Photometry
30s - Q3
Energy in a photon is the product of the frequency of light and Planck’s constant of 6.62 x 10- 34 J/s. Using this relationship, what will happen to the energy if the frequency goes higher?
Undetermined
It goes lower
It goes up
It remains the same
30s - Q4
Building blocks are chemicals that constitute the base form of more complex products. Using the illustration, which of the following is the building block of protein?
Amino acid
Glycogen
Nucleotide
Monomer
30s - Q5
What do you call the substance that increases the rate of a chemical reaction without being consumed by the reaction itself?
Reactant
Activation energy
Catalyst
Product
30s - Q6
Which of the following describes stellar nucleosynthesis?
It is the formation of light elements such as helium and hydrogen.
It is the formation of elements during a supernova explosion.
It is the process by which elements are produced within gas clouds.
It is the process by which elements are formed within stars.
30s - Q7
Which of the following statements is NOT TRUE about the properties of polar molecules?
They have low surface tension.
They have a high boiling point.
They have a high melting point.
They have a low vapor pressure
30s - Q8
Referring to the diagram on the geometry of the molecules of sodium ion and water molecule given, which of the following BEST supports this claim on ion-dipole interaction?
Polar and a nonpolar molecule repel.
Polar and polar molecules attract.
Dipole and another dipole repel.
Ion and polar molecule attract.
30s - Q9
Why are lipids insoluble in water?
Because Lipids are neutral
Because Lipids are hydrophilic
Because Lipids are hydrophobic
30s - Q10
Cookies are baked faster at higher temperatures and bread dough rises more quickly in a warm place rather than in a cool place. Which of the following situations support this effect of temperature rise in a chemical reaction?
It increases the number of effective collisions among reactants, thus increasing the reaction rate.
It decreases the number of collisions and the energy of molecules to limit the further reaction.
It decreases the system’s energy and limits how much further reaction can take place.
It increases molecular concentration and slows down the reaction rate
30s - Q11
Light is a form of energy that behaves like a particle and sometimes like a wave. What explains the given statement?
Light is made of photons traveling through empty space.
Light is made of photons.
Light travels through empty space.
Light bends as it passes through transparent objects.
30s - Q12
Why do the colors of the rainbow appear when light passes through a prism?
Interference is happening.
Refraction is taking place.
Diffraction is taking place.
Scattering of light is happening.
30s - Q13
Which of the following materials would allow the flow of radio waves through the electromagnetic spectrum?
Glass
Styrofoam
Paper
Aluminum
30s - Q14
Which of the following describes Einstein’s Theory of Relativity?
The speed of light in an empty space has the same magnitude for all observers regardless of its displacement.
The speed of light in an empty space has the same magnitude for all observers regardless of its velocity.
The motion of an object is not based on the observer’s viewpoint.
The motion of an object is based on the observer’s viewpoint.
30s - Q15
What is measured by the astronomer supposing he/she takes a picture of a specific star, waits for six months to pass so that the Earth moves two AU, and then takes a photo of the same star to compare the changes in its position?
parallax
astronomical unit
light years
doppler effect
30s
