86+ Free Pruebas Nacionales Ciencias de la Naturaleza Practice Questions
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Key Facts: Pruebas Nacionales Ciencias de la Naturaleza Exam
42
Official Questions
MINERD DCE Framework
110 min
Time Limit
MINERD 2026 National Results Report
Not published
Separate Exam Fee
Current MINERD materials reviewed
70/100
Minimum Pass Score
Ordenanza 1-2016
The Pruebas Nacionales de Ciencias de la Naturaleza is a mandatory Dominican secondary exit exam administered by MINERD under Ordenanza 1-2016. It contains 42 multiple-choice questions administered in 110 minutes on paper. The exam score accounts for 30% of the subject's final graduation grade and the school presentation grade provides 70%; the combined score must reach 70. The official exam is in Spanish; this bank is an English-language MCQ concept-review adaptation.
Sample Pruebas Nacionales Ciencias de la Naturaleza Practice Questions
Try these sample questions to test your Pruebas Nacionales Ciencias de la Naturaleza exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 86+ question experience with AI tutoring.
1Which eukaryotic organelle is known as the powerhouse of the cell because it generates the vast majority of adenosine triphosphate (ATP) through aerobic cellular respiration?
2What primary structural feature distinguishes prokaryotic cells (such as bacteria) from eukaryotic cells (such as plant and animal cells)?
3During the light-dependent reactions of oxygenic photosynthesis occurring in plant chloroplast thylakoids, what molecule is split (photolyzed) to supply replacement electrons, releasing oxygen gas into the atmosphere?
4In human genetics, if both parents are heterozygous carriers (Aa) for an autosomal recessive trait (such as sickle cell anemia or albinism), what is the statistical probability that their child will express the recessive phenotype (aa)?
5According to Chargaff's rules of base pairing in double-stranded DNA, which nitrogenous base forms complementary hydrogen bonds with cytosine (C)?
6What is the biological process by which messenger RNA (mRNA) nucleotide triplets (codons) are decoded by ribosomes and transfer RNA (tRNA) to assemble a polypeptide protein chain?
7Which blood vessels carry oxygenated blood away from the left ventricle of the heart to deliver systemic oxygen and nutrients throughout the human body?
8Which endocrine gland located at the base of the brain produces growth hormone (GH), thyroid-stimulating hormone (TSH), and adrenocorticotropic hormone (ACTH), earning it the title 'master gland'?
9What is the primary evolutionary mechanism proposed by Charles Darwin whereby organisms better adapted to their environment tend to survive and produce more viable offspring?
10Which rare, endemic insectivorous mammal found exclusively on the island of Hispaniola produces venomous saliva and belongs to an ancient mammalian lineage dating to the Cretaceous?
About the Pruebas Nacionales Ciencias de la Naturaleza Exam
The Pruebas Nacionales de Secundaria in Ciencias de la Naturaleza is the standardized national exit exam administered by MINERD to certify secondary graduates across the Dominican Republic.
Assessment
42 four-option multiple-choice items completed in one paper-and-pencil subject session
Time Limit
110 minutes
Passing Score
70 points out of 100 (exam weights 30% and school record weights 70% under Ordenanza 1-2016)
Exam Fee
No separate candidate fee published in the current official materials reviewed (Ministerio de Educación de la República Dominicana (MINERD))
Pruebas Nacionales Ciencias de la Naturaleza Exam Content Outline
Explain Natural Phenomena
Apply biological, chemical, and physical concepts and models to observations and relationships.
Apply Scientific Procedures
Interpret investigations, methods, variables, results, and evidence-based conclusions across the three science domains.
How to Pass the Pruebas Nacionales Ciencias de la Naturaleza Exam
What You Need to Know
- Passing score: 70 points out of 100 (exam weights 30% and school record weights 70% under Ordenanza 1-2016)
- Assessment: 42 four-option multiple-choice items completed in one paper-and-pencil subject session
- Time limit: 110 minutes
- Exam fee: No separate candidate fee published in the current official materials reviewed
Keys to Passing
- Work through all 86 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Pruebas Nacionales Ciencias de la Naturaleza Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the official Pruebas Nacionales Ciencias de la Naturaleza exam?
The official exam booklet contains 42 multiple-choice questions with four answer options each (A, B, C, D) and a single correct answer.
What scientific disciplines are integrated into the exam?
The official framework draws content from Biology, Chemistry, and Physics. It weights explaining natural phenomena at 40-50% and applying scientific procedures at 50-60%; it does not publish fixed percentages for separate science disciplines.
What is the passing score for the Ciencias de la Naturaleza exam?
Under Ordenanza 1-2016, passing requires a composite score of at least 70 points out of 100, combining 30% from the Pruebas Nacionales score and 70% from the high school presentation average.
Is the official exam administered in English or Spanish?
The official examination is conducted entirely in Spanish by MINERD. This practice question bank provides an English-language study adaptation to help students master core scientific principles and problem-solving skills.