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100+ Free Galicia PAU General Sciences Practice Questions
Galicia PAU General Sciences Examination — CIUG (Ciencias Generales 2º Bachillerato 2026) practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: Galicia PAU General Sciences Exam
100 Questions
Total practice question bank size
CIUG LOMLOE Syllabus Adaptation
90 Minutes
Official exam time limit
Comisión Interuniversitaria de Galicia (CIUG)
4.0 Minimum
Minimum grade in Access Phase to calculate overall score
CIUG PAU Regulations
60 / 40
Weighting ratio: 60% Bachillerato GPA + 40% PAU Access Mark
Galicia University Admission Rules
EUR 63.67
Ordinary registration fee
CIUG Official Fee Schedule
Galicia PAU General Sciences (CIUG 2026) is a 90-minute university entrance exam assessing 2º Bachillerato General Sciences across 5 core interdisciplinary LOMLOE blocks.
Sample Galicia PAU General Sciences Practice Questions
Try these sample questions to test your Galicia PAU General Sciences exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1In a controlled scientific experiment evaluating the effect of fertilizer concentration on plant growth, which parameter represents the independent variable?
A.Fertilizer concentration
B.Total plant height
C.Ambient sunlight exposure
D.Type of soil used
Explanation: The independent variable is the specific factor systematically manipulated by the researcher to observe its effect on an outcome. In this experiment, the investigator intentionally varies the fertilizer concentration.
2Which SI derived unit is defined as one joule per second (J/s) and measures the rate of energy transfer?
A.Watt (W)
B.Pascal (Pa)
C.Newton (N)
D.Volt (V)
Explanation: The watt (W) is the International System of Units (SI) derived unit of power, defined as one joule of work or energy transferred per second. It quantifies the rate at which energy is converted or consumed.
3When analyzing experimental growth data, plotting log(N) against time yields a straight line. What type of growth pattern does the population follow?
A.Exponential growth
B.Linear growth
C.Logistic growth with plateau
D.Polynomial growth
Explanation: A linear relationship between the logarithm of population size log(N) and time demonstrates exponential growth. Taking the logarithm of an exponential function N(t) = N0 * e^(rt) yields a linear equation log(N) = log(N0) + rt.
4An analytical balance consistently reads 0.005 grams higher than the true mass due to improper calibration. How is this measurement error classified?
A.Systematic error affecting accuracy
B.Random error affecting precision
C.Human observational error
D.Gross outlier error
Explanation: Systematic errors cause measurements to consistently deviate from the true value in the same direction, directly impacting accuracy. Calibration offsets produce predictable biases that cannot be averaged out by repeated trials.
5According to Karl Popper's criterion of scientific demarcation, what essential property must a valid scientific hypothesis possess?
A.Falsifiability
B.Absolute proof
C.Consensus approval
D.Mathematical complexity
Explanation: A scientific hypothesis must be falsifiable, meaning it must make testable predictions that could theoretically be proven false by empirical observation or experimentation. Hypotheses that cannot be tested or refuted fall outside empirical science.
6Why are double-blind protocols employed in randomized controlled clinical trials evaluating novel pharmaceutical compounds?
A.To eliminate researcher and participant bias
B.To reduce the required sample size
C.To guarantee statistical significance
D.To prevent random measurement errors
Explanation: Double-blind protocols prevent both participants and investigators from knowing who receives the active treatment versus the placebo. This eliminates observer bias and placebo effects from influencing reported outcomes.
7Which feature is a classic hallmark of pseudoscience when evaluating claims about medical treatments?
A.Reliance on anecdotal evidence over controlled trials
B.Publication in peer-reviewed journals
C.Rejection of claims upon contradictory data
D.Use of quantitative statistical analysis
Explanation: Pseudoscience relies heavily on personal testimonials and anecdotal claims while ignoring or lacking rigorous controlled trials. Legitimate science requires systematic testing and reproducible data.
8In hypothesis testing, what does a p-value of 0.03 indicate when evaluating the difference between two experimental groups at a standard alpha level of 0.05?
A.There is a 3% probability of obtaining results this extreme under the null hypothesis
B.The experimental treatment is 97% effective in real-world application
C.There is a 3% chance that the null hypothesis is true
D.The probability of a Type II error is exactly 3%
Explanation: The p-value represents the probability of observing test results at least as extreme as those measured, assuming the null hypothesis is true. A p-value of 0.03 is below the typical 0.05 threshold, rejecting the null hypothesis.
9A laboratory group measures the boiling point of pure water five times, obtaining 95.1°C, 95.0°C, 95.2°C, 95.1°C, and 95.0°C (standard value: 100.0°C). How should these data be described?
A.High precision and low accuracy
B.High accuracy and low precision
C.Low precision and low accuracy
D.High accuracy and high precision
Explanation: The measurements are tightly clustered together (small range of 0.2°C), demonstrating high precision. However, they systematically deviate from the accepted true value of 100.0°C, demonstrating low accuracy.
10What primary role does the peer-review process play in the publication of scientific research?
A.Evaluating methodological rigor and validity before publication
B.Guaranteeing that published findings are permanently infallible
C.Funding future research endeavors for authors
D.Securing patent rights for novel technologies
Explanation: Peer review involves independent experts critically evaluating a manuscript's experimental design, statistical analysis, and logical conclusions prior to publication, ensuring scientific quality control.
About the Galicia PAU General Sciences Practice Questions
Verified exam format metadata for Galicia PAU General Sciences Examination — CIUG (Ciencias Generales 2º Bachillerato 2026) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.