WorksheetsSTEM Entrance Exam Prep
Total questions: 20
Worksheet time: 10mins
Simplify the expression: 3x + 2y - 5x + 4y
-2x + 6y
-2x + 2y
5x - 6y
8y - 2x
What type of reaction is represented by the equation: 2H2 + O2 -> 2H2O?
Synthesis reaction
Combustion reaction
Decomposition reaction
Single displacement reaction
What is the overall equation for cellular respiration?
C6H12O6 + 6O2 -> 6CO2 + 6H2O + ATP
6CO2 + 6H2O -> C6H12O6 + 6O2 + ATP
H2O + CO2 -> C6H12O6 + 6O2
C6H12O6 + 6O2 -> 6CO2 + 6H2O + ADP
According to Newton's first law of motion, an object at rest will stay at rest unless acted upon by what?
internal force
external force
friction
gravity
In photosynthesis, what is the primary pigment that absorbs light energy?
Carotene
Xanthophyll
Melanin
Chlorophyll
Factorize the expression: x^2 - 4
(x + 2)(x - 2)
(x^2 - 4)
(x - 3)(x + 1)
(x + 3)(x - 1)
What is the process by which plants convert light energy into chemical energy?
Sunlightification
Chlorophyllation
Greenification
Photosynthesis
What is the formula for Newton's second law of motion?
F = m^2a
F = ma
F = mv
F = a/m
What are the reactants in the chemical reaction: C6H12O6 + 6O2 -> 6CO2 + 6H2O?
C6H12O7 + 6O2
C6H12O6 + 6O2
C6H12O5 + 6O2
C6H12O6 + 5O2
What is the equation for the overall process of photosynthesis?
6CO2 + 6H2O + light energy -> C6H12O6 + 6O2
6CO2 + 6H2O + ATP -> C6H12O6 + 6O2
6CO2 + 6H2O -> C6H12O6 + 6O2
6CO2 + 6H2O + heat energy -> C6H12O6 + 6O2
Solve the equation: 2x + 5 = 15
x = 3
x = 10
x = 7
x = 5
What is the role of ATP in cellular respiration?
ATP is a structural component of cell membranes
ATP is only used in photosynthesis, not cellular respiration
ATP is a waste product in cellular respiration
ATP is the main energy carrier molecule in cells and is produced during cellular respiration to provide energy for cellular processes.
What is the law that states for every action, there is an equal and opposite reaction?
Boyle's Law
Einstein's Theory of Relativity
Newton's Third Law of Motion
Archimedes' Principle
What is the balanced chemical equation for the combustion of methane (CH4) in oxygen (O2)?
CH4 + O2 -> CO + H2O
CH4 + O2 -> CO2 + H2O
CH4 + 3O2 -> CO2 + 2H2O
CH4 + 2O2 -> CO2 + 2H2O
What is the main purpose of cellular respiration?
To synthesize carbohydrates
To generate ATP (adenosine triphosphate)
To produce oxygen
To regulate body temperature
What is the formula for acceleration according to Newton's second law?
a = F/m
a = F - m
a = F + m
a = F * m
What are the products of the chemical reaction: 2H2 + O2 -> 2H2O?
H2O2
2H2O
H2O2O
H2O
What is the process by which cells break down glucose to produce ATP?
Protein synthesis
Cell division
Cellular respiration
Photosynthesis
State Newton's third law of motion.
Opposite reactions are not equal.
Every action has an unequal reaction.
For every action, there is an equal and opposite reaction.
Actions do not have reactions.
What is the chemical equation for the light-dependent reactions of photosynthesis?
H2O + NADP+ + ADP + Pi + light → O2 + NADPH + ATP
2H2O + 2NADP+ + 3ADP + 3Pi + heat → O2 + 2NADPH + 3ATP
2H2O + 2NADP+ + 3ADP + 3Pi + light → O2 + 2NADPH + 3ATP
2H2O + 2NADP+ + 3ADP + 3Pi + light → CO2 + 2NADPH + 3ATP
