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Quizzes > Quizzes for Business > Education

Master the CSET Subtest II Science Practice Test

Boost Your Science Knowledge with Practice Questions

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art promoting a trivia quiz for CSET Subtest II Science Practice Test.

Welcome to your ultimate CSET Subtest II Science Practice Test. This interactive CSET prep quiz offers 15 targeted multiple-choice questions covering biology, chemistry, and earth science. Whether you're reviewing earth systems or chemical interactions, you'll build confidence for exam day. Feel free to customize this quiz in our editor to match your study needs. Explore related Science Knowledge Assessment Quiz and more General Science Knowledge Quiz or browse all quizzes.

Which cell organelle is responsible for producing ATP through cellular respiration?
Ribosome
Mitochondrion
Endoplasmic reticulum
Golgi apparatus
The mitochondrion is the site of aerobic respiration and ATP production in eukaryotic cells. Ribosomes synthesize proteins, the Golgi apparatus modifies and packages proteins, and the endoplasmic reticulum is involved in protein and lipid synthesis.
Which pH value indicates a neutral solution?
7
0
14
1
pH 7 is defined as neutral on the pH scale, where the concentration of H+ ions equals OH- ions. Values below 7 are acidic and above 7 are alkaline.
Which rock type forms when molten lava cools and solidifies?
Metamorphic rock
Sedimentary rock
Igneous rock
Sandstone
Igneous rocks form when magma or lava cools and solidifies. Sedimentary rocks come from compressed sediments, and metamorphic rocks form under heat and pressure.
In an experiment testing plant growth with fertilizer, which group receives no fertilizer?
Experimental group
Placebo group
Control group
Sample group
A control group receives no treatment so that the effect of the variable can be measured against a baseline. The experimental group receives the variable of interest.
On a graph showing temperature vs time, which axis typically represents the independent variable?
Z-axis
Y-axis
X-axis
Diagonal axis
By convention, the independent variable is plotted on the x-axis and the dependent variable on the y-axis. This setup allows for clear interpretation of how changes in the independent variable affect the dependent variable.
What happens to enzyme activity as substrate concentration increases beyond the saturation point?
Rate decreases
No change at any concentration
Rate increases and then plateaus
Reaction reverses
Increasing substrate concentration increases reaction rate until the enzyme becomes saturated, leading to a maximum rate (Vmax). Beyond this point, adding more substrate does not increase the rate because all active sites are occupied.
If 2 moles of hydrogen react with 1 mole of oxygen to form water, what mass of water is produced from 4 moles of H₂?
144 g
36 g
72 g
18 g
The balanced equation shows 2 moles of H₂ produce 2 moles of H₂O, so 4 moles of H₂ yield 4 moles of water. Since each mole of water has a mass of 18 g, 4 moles correspond to 72 g.
Which type of tectonic plate boundary is characterized by plates sliding past each other?
Transform boundary
Subduction zone
Convergent boundary
Divergent boundary
Transform plate boundaries occur where two plates slide horizontally past each other, such as the San Andreas Fault. Divergent boundaries move apart, and convergent boundaries move together.
What is the primary purpose of a control in an experiment?
To compare results against a baseline
To document procedures
To introduce confounding variables
To replicate data
A control allows researchers to compare the experimental group's results against a baseline where the independent variable is not applied. This comparison isolates the effect of the independent variable.
Given points (1,2) and (3,8) on a line, what is the slope?
-3
3
2
1/3
Slope is calculated by (change in y)/(change in x): (8−2)/(3−1)=6/2=3. This represents the rate of change of y with respect to x over the interval.
Which factor most directly limits the rate of photosynthesis in low light conditions?
Carbon dioxide concentration
Water availability
Light intensity
Temperature
In low light conditions, light intensity is the limiting factor for photosynthesis because it directly affects the light-dependent reactions. Other factors become limiting only when light is sufficient.
According to Le Chatelier's principle, adding heat to an endothermic reaction at equilibrium will:
Shift equilibrium toward products
Shift equilibrium toward reactants
Have no effect
Produce a catalyst
For an endothermic reaction, heat can be considered a reactant, so adding heat shifts the equilibrium toward the products. This shift reduces the added stress in accordance with Le Chatelier's principle.
Which soil horizon is richest in organic matter?
A horizon
O horizon
C horizon
B horizon
The O horizon is the topmost layer of soil rich in organic material such as decomposed leaves. The A horizon is mineral-rich with some organic content below the O horizon.
In a study on caffeine's effect on memory, what is the independent variable?
Memory test score
Time of day
Participant age
Amount of caffeine
The independent variable is the factor being manipulated, which in this case is the amount of caffeine. Memory score, age, and time of day are either dependent variables or potential confounders.
In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?
95%
99.7%
50%
68%
In a normal distribution, approximately 68% of values lie within one standard deviation of the mean due to the empirical rule. This reflects data spread around the central tendency.
In a dihybrid cross of AaBb x AaBb, what is the expected phenotypic ratio among the offspring?
1:2:1
9:3:3:1
9:7
3:1
A dihybrid cross between heterozygotes produces a 9:3:3:1 phenotypic ratio according to Mendel's law of independent assortment. This ratio represents four phenotype combinations.
A buffer solution is made from acetic acid (pKa = 4.76) and sodium acetate. If [A❻]/[HA] = 1, what is the pH?
4.76
3.76
5.76
7.00
According to the Henderson-Hasselbalch equation, pH = pKa + log([A−]/[HA]). When the ratio is 1, the logarithm term is zero, so pH equals the pKa of 4.76.
Which seismic wave arrives first at a distant seismic station?
Love wave
S-wave
P-wave
Surface wave
P-waves (primary waves) are the fastest seismic waves and arrive first at seismic stations. S-waves and surface waves travel more slowly and arrive later.
To minimize systematic error in measuring enzyme kinetics, which practice is most effective?
Calibrate equipment before use
Randomize sample order
Use a control group
Increase sample size
Systematic error arises from consistent biases in measurement. Calibrating equipment before experiments ensures that measurements are accurate and reduces such errors.
In linear regression, which statistic measures the proportion of variance explained by the model?
R-squared
Intercept
Slope
p-value
R-squared represents the proportion of variance in the dependent variable explained by the independent variable(s) in the regression model. It ranges from 0 to 1.
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Learning Outcomes

  1. Analyse key scientific concepts covered in CSET Subtest II
  2. Identify correct answers using effective test strategies
  3. Apply biology, chemistry, and earth science principles
  4. Evaluate data interpretation and experimental design
  5. Master time management for improved exam performance

Cheat Sheet

  1. Understand cell organelles - Imagine your cell as a bustling city: the nucleus is the CEO giving orders, mitochondria are the power plants fueling every move, and ribosomes are the busy factories producing proteins. By grasping these roles, you'll see how cells coordinate life's essential functions with teamwork and style. Dive into cell organelles
  2. Master photosynthesis basics - Discover how plants capture sunlight and turn it into tasty sugar and fresh oxygen, powering ecosystems everywhere. This magical process happens in chloroplasts and follows a clear step-by-step pathway you can learn and visualize. Unpack photosynthesis
  3. Familiarize yourself with the periodic table - Learn how elements are arranged by atomic number into neat rows and columns that predict their chemical behavior. Spot trends in reactivity, bonding patterns, and element families to forecast reactions like a pro chemist. Navigate the periodic table
  4. Learn the laws of motion - Newton's three laws describe how objects start, stop, and interact through forces - think of inertia as an object's stubbornness, F=ma as its power-to-move ratio, and action-reaction as a cosmic game of tag. These principles are the foundation for everything from sports to rocket science! Explore Newton's laws of motion
  5. Study the rock cycle - Trace how igneous rocks form from cooling magma, how sedimentary rocks emerge under layers of pressure, and how metamorphic stones evolve under heat. Understanding these loops reveals Earth's slow but epic transformation over millions of years. Trace the rock cycle
  6. Review the water cycle processes - Follow a water droplet as it evaporates into vapor, condenses into clouds, precipitates as rain or snow, and collects in rivers and oceans. This endless journey connects weather patterns, plant life, and the entire biosphere in one grand loop. Chart the water cycle
  7. Understand the basics of genetics - Peek inside DNA's double-helix structure, learn how genes turn on and off, and predict inheritance patterns with Mendel's classic pea experiments. Genetics is like a biological recipe book that explains why you look and act the way you do. Delve into genetics
  8. Explore the principles of ecology - Investigate energy flow through food chains, food webs, and trophic levels, and see how every organism - from tiny plankton to mighty wolves - relies on one another. Ecology teaches us about balance, competition, and cooperation in nature's big playground. Investigate ecosystem ecology
  9. Grasp the fundamentals of chemical reactions - Identify reactants and products, balance equations like a puzzle, and explore energy changes in exothermic and endothermic reactions. Mastering these basics helps you predict outcomes and understand the chemistry behind everyday phenomena. Balance chemical reactions
  10. Learn about Earth's layers - Peel back the crust, mantle, and core to see how each layer's composition and temperature drive plate tectonics, volcanic activity, and the planet's magnetic field. This deep dive explains the forces shaping mountains, earthquakes, and our very ground beneath your feet. Uncover Earth's layers
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