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Key Facts: PAU Ciencias Generales (Canarias) Exam

COPAU 2026

Canary Islands PAU Organising Commission authority (ULPGC & ULL)

Gobierno de Canarias / COPAU

90 Mins

Official examination duration

PAU Canarias Regulations

Min 4.0

Minimum Access Phase score required to calculate university admission mark

Canary Islands University Admission Regulations

4 Blocks

Scientific Methodology, Energy & Environment, Health & Biomedicine, Materials & Tech

LOMLOE 2º Bachillerato Syllabus

100

Practice questions available in this OpenExamPrep bank

OpenExamPrep

The Canary Islands PAU General Sciences exam evaluates core scientific literacy and competency across epistemology, climate science, island sustainability, health, and nanotechnology for 2º Bachillerato students.

Sample PAU Ciencias Generales (Canarias) Practice Questions

Try these sample questions to review concepts for the PAU Ciencias Generales (Canarias) exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to modern scientific epistemology (such as Karl Popper's demarcation criterion), which characteristic is essential for a hypothesis to be considered scientific?
A.It must make testable predictions that can potentially be falsified by empirical evidence.
B.It must be capable of being proven true beyond all future doubt by empirical induction.
C.It must be supported by unanimous consensus among established scientific institutions.
D.It must rely on self-evident intuitive axioms that require no experimental validation.
Explanation: Karl Popper established that scientific statements are distinguished from pseudoscience or dogma by their falsifiability—the logical possibility that an assertion can be contradicted by empirical observation or experimental outcome.
2In a controlled laboratory experiment investigating how light intensity affects plant photosynthetic rate, what is the light intensity called?
A.The dependent variable
B.The independent variable
C.The controlled variable
D.The confounding variable
Explanation: The independent variable is the factor deliberately manipulated or varied by the researcher (here, light intensity) to observe its effect on the dependent variable (photosynthetic rate).
3Why is a double-blind trial design considered the gold standard in clinical biomedical testing?
A.It ensures that both treatment and control groups receive double the dosage of the test drug.
B.It allows researchers to modify experimental protocols midway through the study.
C.It eliminates both participant expectation bias and observer bias during evaluation.
D.It guarantees that no participants experience placebo side effects.
Explanation: In a double-blind study, neither the participants nor the clinical evaluators know who receives the active treatment versus placebo, thereby preventing psychological expectations or observer subjective bias from skewing the results.
4What primary function does peer review serve prior to publishing research in a scientific journal?
A.It guarantees that published findings will never be disproven by future research.
B.It grants intellectual property patents to the authoring research institution.
C.It legally protects authors from civil liability arising from experimental accidents.
D.It evaluates experimental methodology, statistical rigor, and validity via independent experts.
Explanation: Peer review involves expert domain scholars scrutinizing submitted manuscripts for methodological soundness, accurate data analysis, logical conclusions, and original contribution to scientific knowledge.
5How do systematic errors differ fundamentally from random errors in experimental measurements?
A.Systematic errors consistently shift measurements in one direction, whereas random errors fluctuate unpredictably.
B.Systematic errors can be reduced by averaging repeated measurements, whereas random errors cannot.
C.Systematic errors are caused by environmental noise, whereas random errors stem from uncalibrated instruments.
D.Systematic errors only affect precision, whereas random errors exclusively degrade measurement accuracy.
Explanation: Systematic errors (e.g. zero offset on a scale) bias measurements in a consistent direction and affect accuracy, while random errors produce unpredictable scatter around the mean and affect precision.
6Which of the following traits is characteristic of pseudoscience rather than genuine empirical science?
A.Continuous self-correction when confronted with contradictory empirical evidence.
B.Reliance on ad-hoc excuses and vague, non-falsifiable claims to explain away negative results.
C.Transparent publication of experimental methodologies to allow independent replication.
D.Quantitative measurement of variables using standardized International System (SI) units.
Explanation: Pseudoscience relies on immunizing hypotheses against falsification using ad-hoc explanations, anecdotal evidence, and untestable assertions, unlike genuine science which adapts to empirical data.
7What cognitive phenomenon occurs when a researcher preferentially notices and records data that confirm their pre-existing hypothesis while disregarding contradicting data?
A.The Hawthorn effect
B.Placebo effect
C.Confirmation bias
D.Hindsight bias
Explanation: Confirmation bias is the psychological tendency to search for, interpret, favor, and recall information in a way that confirms one's prior beliefs or hypotheses.
8An observational study finds a strong positive correlation between ice cream sales and drowning incidents in coastal cities. What is the most scientifically sound interpretation?
A.Ice cream consumption directly impairs swimming ability and causes drowning.
B.Drowning events trigger psychological distress that increases ice cream cravings.
C.Ice cream sales and drowning rates share an inverse causal feedback loop.
D.A confounding variable (hot summer weather) independently increases both outdoor swimming and ice cream consumption.
Explanation: Correlation does not imply causation. Both variables are influenced by a third confounding variable—warm ambient temperature—which leads to more swimming (raising drowning risk) and higher ice cream sales.
9A student measures the density of a volcanic basalt sample from Tenerife as 2.65 g/cm³. The accepted standard reference value is 2.70 g/cm³. What is the relative percentage error of the student's measurement?
A.1.85%
B.5.00%
C.0.05%
D.2.65%
Explanation: Relative percentage error = (|Measured Value - Accepted Value| / Accepted Value) * 100 = (|2.65 - 2.70| / 2.70) * 100 = (0.05 / 2.70) * 100 = 1.85%.
10Four repeated lab analyses yield sample concentrations of 10.1 mg/L, 10.2 mg/L, 10.1 mg/L, and 10.2 mg/L. The true concentration is 15.0 mg/L. How should these measurements be characterized?
A.High accuracy and high precision
B.High precision but low accuracy
C.Low precision but high accuracy
D.Low accuracy and low precision
Explanation: The measurements are tightly clustered together (low variance, high precision) but deviate significantly from the true value of 15.0 mg/L (large systematic bias, low accuracy).

About the PAU Ciencias Generales (Canarias) Exam

The Canary Islands PAU General Sciences (Ciencias Generales 2º Bachillerato ULPGC / ULL) practice bank provides comprehensive preparation for students sitting the Spanish university entrance exam in the Canary Islands. The curriculum tests critical reasoning in scientific inquiry, renewable energy transition, volcanic and archipelago ecology, desalination technology, biomedical tools, gene editing, microelectronics, and sustainable material science.

Exam sponsor: Canary Islands PAU Organising Commission (COPAU) / ULPGC & ULL. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

90-minute examination divided into 4 core thematic units: Scientific Methodology (25%), Energy & Sustainable Environment (25%), Health & Biomedical Innovation (25%), and Materials Science & Emerging Technologies (25%).

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 76.12 base registration fee for PAU Access Phase (set by Gobierno de Canarias / COPAU).

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.

25%

Science & Scientific Methodology

Epistemology, scientific methodology, experimental design, control variables, data analysis, peer review, error analysis, and distinguishing science from pseudoscience.

25%

Energy & Sustainable Environment

Renewable vs non-renewable energy sources, volcanic geology, climate change mitigation, greenhouse gas dynamics, desalination physics/chemistry, and circular economy.

25%

Health & Biomedical Innovation

Pathogens and immunity, vaccines, antibiotics and resistance, lifestyle diseases, genetics, biotechnology ethics, CRISPR gene editing, and epidemiology.

25%

Materials Science & Emerging Technologies

Polymers and microplastics, smart nanomaterials (graphene), semiconductor physics, lithium-ion battery chemistry, and environmental impacts of digital technology.

Preparing for the PAU Ciencias Generales (Canarias) 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 examination divided into 4 core thematic units: Scientific Methodology (25%), Energy & Sustainable Environment (25%), Health & Biomedical Innovation (25%), and Materials Science & Emerging Technologies (25%).
  • Time limit: 90 minutes (1.5 hours)
  • Exam / certification fees: EUR 76.12 base registration fee for PAU Access Phase (set by Gobierno de Canarias / COPAU). 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

PAU Ciencias Generales (Canarias): Suggested Study Strategy

1Master the scientific method: practice identifying independent vs. dependent variables, control groups, and statistical significance.
2Review thermodynamic efficiency calculations, Global Warming Potential (GWP), Life Cycle Assessment (LCA) steps, and reverse osmosis desalination processes.
3Understand modern biotechnology concepts including PCR, gel electrophoresis, recombinant DNA, monoclonal antibodies, and CRISPR-Cas9 mechanism.
4Study semiconductor physics (doped silicon, p-n junctions), energy storage chemistry, nanomaterial properties (graphene), and microplastic accumulation.

Frequently Asked Questions

Is this practice bank in the same format as the real Canary Islands PAU exam?

No, and it is important to know the difference. The official Canary Islands PAU paper is a 90-minute examination sat in Spanish and built around structured written questions across the sciences with data interpretation and justified extended answers. Under the 2026 PAU design rules agreed by COPAU and the CRUE, open and semi-constructed responses must account for at least 70% of every paper, so the real exam contains no multiple-choice section. This bank is an English-language multiple-choice study adaptation of the same official 2º Bachillerato syllabus — not an official translation, not a past paper, and not a simulation of the exam format. Use it to drill the underlying knowledge and reasoning quickly, then practise writing justified cross-disciplinary scientific answers in Spanish separately, because that is what the examiners actually mark.

What is the fee for taking the PAU exam in the Canary Islands (COPAU 2026)?

The base registration fee for the PAU Access Phase is EUR 76.12, as established by the Gobierno de Canarias / COPAU.

What passing score is required on the PAU General Sciences exam in Canary Islands?

The exam is marked on a 0–10 scale. A minimum score of 4.0 is required in the Access Phase to combine with the Bachillerato GPA (60% Bachillerato + 40% PAU >= 5.0 to pass).

What is the duration of the PAU Ciencias Generales exam?

The examination duration is 90 minutes (1.5 hours).

Which universities administer the PAU in the Canary Islands?

The exam is organized co-jointly by Universidad de Las Palmas de Gran Canaria (ULPGC) and Universidad de La Laguna (ULL) under the COPAU framework.