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Exam Review

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 review concepts for the Galicia PAU General Sciences exam. 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 Exam

The Galicia PAU General Sciences examination (Pruebas de Acceso a la Universidad 2026) is the official standardized assessment for 2º Bachillerato General modal students seeking university admission in Galicia through CIUG. The exam evaluates student competence across five key domains: Scientific Methodology & Data, Energy Resources & Climate Change, Human Health & Biotechnology, Smart Materials & Technology, and Earth System Dynamics & Space Exploration. This practice bank features 100 high-quality questions with thorough explanations for every answer choice.

Exam sponsor: Comisión Interuniversitaria de Galicia (CIUG). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

90-minute written examination (scientific text interpretation, interdisciplinary problem solving; local questions are an English-language MCQ study adaptation)

Time Limit

90 minutes (1.5 hours)

Passing Score

Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).

Exam / Certification Fees

EUR 63.67 ordinary registration fee for PAU (50% discount EUR 31.84 for general large family status; full exemption for special large family, disability, or terrorism victims).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

Scientific Methodology, Data Analysis & Critical Thinking

Scientific method, experimental design, variables, SI units, graphical interpretation, error analysis, and distinguishing evidence-based science from pseudoscience.

20%

Energy Resources, Thermodynamics, Sustainability & Climate Change

Energy transformations, renewable and non-renewable energy systems, climate change dynamics, carbon footprint calculation, and waste management.

20%

Human Health, Nutrition, Immunology & Biotechnology

Human nutrition, infectious and non-infectious diseases, immune mechanisms, pharmacology, and biotechnology ethics in healthcare.

20%

Smart Materials, Chemical Applications & Technology

Properties and structures of polymers, ceramics, and nanomaterials, green chemistry principles, recycling technologies, and material life cycles.

20%

Earth System Dynamics, Biodiversity & Space Exploration

Origin and expansion of the Universe, plate tectonics, natural hazards, digital scientific tools, and artificial intelligence/sensors in environmental monitoring.

Preparing for the Galicia PAU General Sciences Exam

What You Need to Know

  • Passing score: Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).
  • Assessment: 90-minute written examination (scientific text interpretation, interdisciplinary problem solving; local questions are an English-language MCQ study adaptation)
  • Time limit: 90 minutes (1.5 hours)
  • Exam / certification fees: EUR 63.67 ordinary registration fee for PAU (50% discount EUR 31.84 for general large family status; full exemption for special large family, disability, or terrorism victims). Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Galicia PAU General Sciences: Suggested Study Strategy

1Master the distinction between independent, dependent, and controlled variables in complex experimental setups.
2Review key thermodynamic calculations, including Carnot efficiency, heat capacity, and energy payback times.
3Understand molecular biology mechanisms, such as mRNA translation, CRISPR-Cas9, and PCR thermal cycling stages.
4Study material science principles, contrasting thermoplastics vs. thermosets and semiconductor doping mechanisms.
5Familiarize yourself with Earth and space systems, including plate tectonics, Milankovitch cycles, and the Doppler effect redshift.

Frequently Asked Questions

What is the registration fee for the PAU General Sciences exam in Galicia?

EUR 63.67 ordinary registration fee for PAU (50% discount EUR 31.84 for general large family status; full exemption for special large family, disability, or terrorism victims).

What passing score is required on the PAU General Sciences paper in Galicia?

Marked on a 0–10 scale. Minimum 4.0 required in Access Phase to combine with Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).

How long is the Galicia PAU General Sciences exam?

The examination duration is 90 minutes (1.5 hours).

Which body administers the PAU exams in Galicia?

The exam is administered by the Comisión Interuniversitaria de Galicia (CIUG), coordinating the public universities of Galicia (UDC, USC, UVigo).