Math
What is the inverse of the natural logarithm function?
A) ln(x) B) e^x C) log(x) D) x^2
e^x
What is the unit of energy in the International System of Units (SI)?
A) Newton (N) B) Joule (J)
C) Watt (W) D) Kilojoule (KJ)
Joules
What is the organelle where transcription occurs?
A) Nucleus B) Ribosome
C) Mitochondria D) Cytoplasm
Nucleus
What is the color of the flame that Potassium produces during a flame test?
A) Red B) Blue
C) Lilac D) Green
Lilac
What is the solution to the quadratic equation x^2 - 5x + 6 = 0?
A) x = 1 and x = 6 B) x = 2 and x = 3
C) x = 4 and x = 1 D) x = -2 and x = 3
x = 2 and x = 3
What is the work done by a 10 N force moving an object 5 m in the same direction?
A) 15 J B) 25 J
C) 50 J D) 100 J
50J
What is the structure in a plant cell responsible for turgor pressure?
A) Chloroplast B) Vacuole
C) Cell wall D) Cytoplasm
Vacuole
Explain why different metals produce different colors in a flame test?
A) Different metals absorb photons.
B) Different metals emit photons of specific wavelengths when electrons fall back to lower energy levels.
C) Different metals form unique compounds in the flame.
D) Metals do not emit light.
B) Different metals emit photons of specific wavelengths when electrons fall back to lower energy levels.
What is the area under the curve y = x^2 between x = 0 and x = 2?
A) 8 B) 8/3 C) 4 D) 4/3
8/3
What is the equation that relates force, mass, and acceleration in Newton’s second law of motion?
A) F = ma B) F = mg
C) F = m/a D) F = mv
F = ma
What is the stage of meiosis where homologous chromosomes separate?
A) Prophase I B) Anaphase I
C) Metaphase II D) Telophase II
Anaphase I
What is the electron configuration for a barium ion Ba2+?
A) [Kr] B) [Xe]
C) [Ar] D) [Ne]
B) [Xe]
What is the derivative of y = x^3 - 4x^2 + x?
A) 3x^2 - 8x + 1 B) 3x^2 + 4x + 1
C) 3x^2 - 2x + 1 D) 2x^3 - 8x + 1
3x^2 - 8x + 1
What is type of energy is associated with an object due to its motion?
A) Potential energy B) Elastic energy
C) Kinetic energy D) Thermal energy
Kinetic energy
What is the molecule acts as the energy currency of the cell?
A) DNA B) RNA
C) ATP D) ADP
ATP
What is the color of the flame that Calcium produces during a flame test?
A) Yellow B) Green
C) Orange-red D) Lilac
C) Orange-red
What is the probability of drawing two aces consecutively without replacement from a standard deck of 52 cards?
1/221
What is the gravitational force acting on a 5 kg object near the Earth’s surface?
50 N
What is the maximum theoretical yield of ATP from oxidative phosphorylation during cellular respiration in eukaryotes?
38 ATP
What is the reason why hydrochloric acid is used to clean the wire loop before performing a flame test?
A) To sterilize the wire.
B) To remove contaminants that may interfere with the test results.
C) To make the flame brighter.
D) To react with the metal ions.
B) To remove contaminants that may interfere with the test results.