All Practice Exams
100+ Free PAU Ciències Generals (UIB) Practice Questions
Balearic Islands PAU General Sciences Exam — Ciències Generals 2º Bachillerato UIB 2026 practice questions are available now; exam metadata is being verified.
✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately
100+ Questions
100% Free
Loading practice questions...
Same family resources
Explore More Spain Balearic Islands PAU (Prueba de Acceso a la Universidad)
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
2026 Statistics
Key Facts: PAU Ciències Generals (UIB) Exam
UIB 2026
Universitat de les Illes Balears official PAU organizing authority
UIB PAU Commission
90 Mins
Official examination duration
PAU Balears
Min 4.0
Minimum Access Phase score required to calculate university admission mark
UIB Admission Regulations
4 Topics
Science & Society, Energy, Health & Biomedicine, Materials & Tech
LOMLOE 2º Bachillerato Syllabus
100
Practice questions available in this OpenExamPrep bank
OpenExamPrep
The Balearic Islands PAU General Sciences exam evaluates core scientific literacy and competency across epistemology, climate science, health, and nanotechnology for 2º Bachillerato students.
Sample PAU Ciències Generals (UIB) Practice Questions
Try these sample questions to test your PAU Ciències Generals (UIB) exam readiness. 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 principle), which criterion 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 empirically proven true beyond all future doubt.
C.It must be supported by unanimous consensus among established scientific authorities.
D.It must rely on intuitive self-evidence that requires 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 changed by the experimenter (here, light intensity) to observe its effect on the dependent variable (photosynthetic rate).
3What is the primary purpose of including a control group in a scientific experiment?
A.To increase the sample size so that statistical calculations become easier.
B.To ensure that all experimental subjects experience the maximum dosage of the treatment.
C.To provide a baseline for comparison against which the effects of the experimental treatment can be isolated.
D.To replace the need for repeating trials or measuring dependent variables.
Explanation: A control group is handled under identical conditions as experimental groups except for the key factor being tested, providing a baseline comparison to prove that observed changes are caused solely by the manipulated variable.
4Which of the following best describes the role of academic peer review in scientific publishing?
A.It guarantees that published research is 100% free of error or future revision.
B.It is a public voting procedure where general online audiences vote on research credibility.
C.It is a legal copyright process conducted by patent lawyers to protect intellectual property.
D.It involves independent domain experts evaluating a study's methodology, data interpretation, and validity prior to publication.
Explanation: Peer review is a critical quality control mechanism in science where independent experts in the field evaluate manuscript rigor, logic, methodology, and scientific validity before publication.
5A strong positive correlation is observed between ice cream sales and drownings during summer months. What does this statistical correlation demonstrate?
A.Correlation indicates a mathematical association, but does not prove direct cause and effect, often due to a third confounding factor (e.g., warm weather).
B.Drowning incidents cause people to buy more ice cream out of grief.
C.Eating ice cream directly causes muscle cramps that lead to drowning.
D.The data must be fraudulent because negative correlations are mandatory in public health datasets.
Explanation: A statistical correlation indicates that two variables change together, but does not imply causation. In this classic example, hot summer temperature is a confounding variable driving both swimming activity (drowning risk) and ice cream consumption.
6In a double-blind clinical trial evaluating a novel pharmaceutical drug, who is kept unaware of whether a patient receives the drug or a placebo?
A.Only the patient receiving the treatment
B.Both the patients and the researchers/physicians administering and assessing the treatment
C.Only the physicians and clinical researchers administering the study
D.The institutional ethics board and regulatory approval agencies
Explanation: In a double-blind trial, neither the participants nor the research staff know who is receiving the active drug versus placebo, eliminating both patient placebo expectations and researcher observer bias.
7What is meant by 'scientific consensus' regarding a global phenomenon such as anthropogenic climate change?
A.A political agreement reached by government representatives at an international summit.
B.A dogma that prohibits future testing or questioning of scientific theories.
C.The overwhelming collective judgment and agreement of qualified scientists based on rigorous, peer-reviewed evidence.
D.An opinion poll conducted among the general voting public.
Explanation: Scientific consensus represents the collective position, convergence of evidence, and agreement among the vast majority of domain-expert scientists after extensive empirical testing and peer review.
8Which characteristic is most indicative of a pseudoscientific discipline compared to legitimate science?
A.Reliance on reproducible experimental results and peer-reviewed journals
B.Quantitative mathematical modeling of natural mechanisms
C.Continuous self-correction and modification of concepts when new data appears
D.Use of vague, un-falsifiable claims, anecdotal evidence, and resistance to peer critique
Explanation: Pseudoscience typically relies on non-falsifiable assertions, emotional testimonials, cherry-picked anecdotes, and rejection of peer review or self-correcting mechanisms.
9In statistical hypothesis testing, a p-value of 0.03 ($p < 0.05$) is obtained. What does this result signify?
A.Assuming the null hypothesis were true, there is only a 3% probability of obtaining an effect as extreme as observed, allowing rejection of the null hypothesis at the 5% significance level.
B.There is a 97% probability that the experimental hypothesis is 100% true.
C.The experiment contains a 3% measurement error rate in instrumentation.
D.The null hypothesis must be accepted as conclusively proven.
Explanation: A p-value measures the probability of observing test results at least as extreme as the actual results, under the assumption that the null hypothesis ($H_0$) is true. When $p = 0.03 < 0.05$, $H_0$ is rejected in favor of statistical significance.
10How do systematic errors differ fundamentally from random errors in scientific measurements?
A.Systematic errors can be completely eliminated by averaging multiple repeated trials, while random errors cannot.
B.Systematic errors cause readings to deviate predictably in one consistent direction due to faulty calibration, whereas random errors cause unpredictable scatter around the true value.
C.Systematic errors only occur in biological studies, whereas random errors are restricted to physics.
D.Systematic errors increase sample variance without affecting accuracy or bias.
Explanation: Systematic errors shift measurements consistently in one direction (affecting accuracy/bias, e.g. uncalibrated scale). Random errors cause unpredictable fluctuations (affecting precision), which can be reduced by averaging repeated trials.
About the PAU Ciències Generals (UIB) Practice Questions
Verified exam format metadata for Balearic Islands PAU General Sciences Exam — Ciències Generals 2º Bachillerato UIB 2026 is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.