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Sample FCV-UNA Admission Practice Questions

Try these sample questions to review concepts for the FCV-UNA Admission exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 45+ question experience with AI tutoring.

1Which cellular organelle is directly responsible for assembling amino acids into polypeptide chains during protein biosynthesis in animal cells?
A.Ribosome
B.Centrosome
C.Peroxisome
D.Lysosome
Explanation: Ribosomes consist of ribosomal RNA and proteins and catalyze the formation of peptide bonds between amino acids according to mRNA transcripts. They function either free in the cytosol or bound to the rough endoplasmic reticulum to generate structural and enzymatic proteins essential for animal cell viability.
2In a classical Mendelian monohybrid cross between two heterozygous black cattle (Bb x Bb), where black coat color (B) is completely dominant to red (b), what is the expected phenotypic ratio among the offspring?
A.3 black : 1 red
B.1 black : 2 roan : 1 red
C.1 black : 1 red
D.9 black : 3 red : 3 white : 1 spotted
Explanation: Crossing two heterozygous individuals (Bb x Bb) generates genotypes in the ratio 1 BB : 2 Bb : 1 bb. Because the black allele (B) exhibits complete dominance over the red allele (b), both BB and Bb cattle display black coats, producing a 3:1 black-to-red phenotypic ratio.
3Which anatomical feature of the circulatory system is shared by both birds and mammals, ensuring complete anatomical separation between oxygenated and deoxygenated blood?
A.A three-chambered heart with an incomplete ventricular septum
B.A four-chambered heart with two atria and two completely divided ventricles
C.A single ventricle coupled with a sinus venosus delivering mixed blood
D.A persistent left aortic arch carrying systemic arterial flow
Explanation: Both birds and mammals possess a four-chambered heart comprising two atria and two distinct ventricles separated by a complete interventricular septum. This complete physical barrier prevents mixing of systemic venous and oxygenated pulmonary blood, enabling high-pressure systemic perfusion and endothermic metabolic rates.
4What is the primary physiological role of lysosomes during phagocytosis in animal immune cells such as macrophages?
A.Fusing with phagosomes to deliver acid hydrolases that digest engulfed pathogens
B.Replicating bacterial circular plasmids to induce innate memory responses
C.Synthesizing antibodies that are exported across the plasma membrane
D.Generating molecular oxygen via photosystems to oxidize bacterial peptidoglycan
Explanation: Lysosomes maintain an acidic luminal pH (around 4.5 to 5.0) via proton pumps and contain hydrolytic enzymes (proteases, nucleases, lipases). During phagocytosis, lysosomes fuse with internalized phagosomes to form phagolysosomes, where these acid hydrolases degrade engulfed microorganisms and cellular debris.
5In a simplified food-chain model using the ecological '10% rule', approximately what percentage of energy at one trophic level becomes available at the next?
A.10%
B.50%
C.90%
D.100%
Explanation: The 10% rule is a teaching approximation for trophic transfer efficiency, which varies among organisms and ecosystems. Much energy is used in metabolism or remains in material not consumed or assimilated by the next trophic level.
6During which mitotic phase do duplicated animal chromosomes condense maximally and align linearly along the equatorial plane of the spindle apparatus?
A.Prophase
B.Metaphase
C.Anaphase
D.Telophase
Explanation: During metaphase, kinetochore microtubules originating from opposite centrosomes align sister chromatid pairs along the metaphase plate (equatorial plane). This precise alignment ensures that each daughter cell receives an identical complement of chromosomes upon subsequent chromatid separation.
7Under stable environmental conditions, what does Gause's principle of competitive exclusion predict for two animal species competing for the same limiting resources in identical ecological niches?
A.Both species will hybridize to form a single polymorphic generalist population
B.Two species competing for the exact same limiting resources cannot coexist indefinitely at constant population densities
C.Intraspecific competition will decrease to zero, doubling the carrying capacity for both competitors
D.Predator populations will switch exclusively to consuming abiotic organic detritus
Explanation: Gause's competitive exclusion principle states that two distinct species competing for the identical limiting resource within the same ecological niche cannot coexist stably if abiotic factors remain constant. The species with even a slight competitive advantage will outcompete and displace the other, unless niche differentiation or resource partitioning occurs.
8Which combination distinguishes adult ticks from adult insects such as fleas and lice?
A.Adult ticks have four pairs of walking legs and no antennae; adult insects have three pairs of legs and one pair of antennae
B.Arachnids have three distinct body tagmata (head, thorax, abdomen) and compound eyes on movable stalks
C.Insects possess eight walking legs, no wings, and chelicerae adapted for blood feeding
D.Arachnids breathe exclusively through cutaneous spiracles and possess two pairs of antennae
Explanation: Adult arachnids (subphylum Chelicerata, class Arachnida) typically possess eight walking legs (four pairs), body divisions into prosoma and opisthosoma (often fused in Acari), and lack both antennae and wings. In contrast, adult insects (subphylum Hexapoda) possess six walking legs (three pairs), three tagmata (head, thorax, abdomen), and a single pair of antennae.
9In the global biogeochemical nitrogen cycle, which microbial process converts nitrate (NO3-) into gaseous dinitrogen (N2), returning nitrogen to the atmosphere?
A.Nitrification
B.Denitrification
C.Ammonification
D.Biological nitrogen fixation
Explanation: Denitrification is an anaerobic microbial respiration process carried out by facultative anaerobic bacteria (such as Pseudomonas and Paracoccus). In waterlogged or oxygen-depleted soils, these bacteria use oxidized nitrogen forms (NO3- and NO2-) as terminal electron acceptors, reducing them to nitric oxide, nitrous oxide, and ultimately inert atmospheric dinitrogen gas (N2).
10Which periodic trend correctly describes the variation of electronegativity across the periodic table according to the Pauling scale?
A.Decreases from left to right across a period and increases down a group
B.Increases from left to right across a period and decreases down a group
C.Remains constant across periods and reaches a maximum in alkali metals
D.Increases with atomic radius because extra electron shells enhance nuclear attraction
Explanation: Electronegativity measures an atom's ability to attract shared electrons in a covalent chemical bond. Across a period from left to right, effective nuclear charge increases while atomic radius contracts, increasing electron attraction; down a group, increasing principal energy levels shield the nucleus and increase atomic size, decreasing electronegativity. Hence, fluorine has the highest Pauling electronegativity (3.98).

About the FCV-UNA Admission Exam

Independent practice for the five published FCV-UNA admission subjects: Biología, Química, Física, Matemática, and Comunicación. The official written examinations are in Spanish. This is an English-language, four-option MCQ study adaptation, not an official translation or format simulation. Spanish language material is preserved. It provides selected foundational subject practice, not a claim of complete subtopic coverage or a substitute for writing, speaking, laboratory, or clinical performance practice.

Exam sponsor: Universidad Nacional de Asunción — Facultad de Ciencias Veterinarias. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Question count not published by the exam provider

Time Limit

90 minutes for each of five papers

Passing Score

Combined-score ranking for available places; no fixed percentage confirmed

Exam / Certification Fees

Current 2026 amount not independently confirmed; eligible Arancel Cero exemption

Exam sponsor website

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

Official sources

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.

100/450 official points (22.22%)

Biología

Selected foundational cell biology, inheritance, ecology, classification, and animal biology.

100/450 official points (22.22%)

Química

Selected basic structure, periodic properties, bonding, chemical calculations and organic groups.

100/450 official points (22.22%)

Física

Selected mechanics, fluids, heat, electricity and optics.

100/450 official points (22.22%)

Matemática

Selected algebra, proportions, equations and geometry.

50/450 official points (11.11%)

Comunicación

Selected Spanish grammar, punctuation and reading. Detailed current subtopic weights were not confirmed.

Preparing for the FCV-UNA Admission Exam

What You Need to Know

  • Passing score: Combined-score ranking for available places; no fixed percentage confirmed
  • Assessment: Question count not published by the exam provider
  • Time limit: 90 minutes for each of five papers
  • Exam / certification fees: Current 2026 amount not independently confirmed; eligible Arancel Cero exemption Official sources

Using Our Practice Resources

  • Work through all 45 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

FCV-UNA Admission: Suggested Study Strategy

1Allocate study across all five papers using their published marks.
2Show units and intermediate calculations.
3Treat animal contexts as basic science exercises rather than clinical guidance.
4Obtain the current faculty programme and instructions before examination registration.

Frequently Asked Questions

Is admission dependent on a compulsory course?

The faculty ran direct admission examinations in 2026. Applicants must attend all five papers. The reviewed briefing does not specify a mandatory preparatory course, oral examination, practical, case study, or entrance coursework assignment.

How are applicants ranked?

The four science/mathematics papers carry 100 points each; Communication carries 50, for 450 total. Places follow combined-score ranking. Ties use Biology, Chemistry, Physics, Mathematics, then Communication; the briefing also addresses unresolved ties at the last place.

What was the 2026 timetable?

Biology, Chemistry, Physics, Mathematics, and Communication were scheduled on 16, 17, 18, 19, and 20 February respectively, at 09:00. The official briefing gives 90 minutes per paper. Consult the faculty for the next call and current fee.