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Key Facts: Saxony Abitur Biology Exam

4 Aufgaben, 3 zu bearbeiten

Candidates are offered four Aufgaben and must complete three; exactly one of the three must include a fachpraktischer Anteil

VwV Abiturprüfung 2026, REVOSax; Musteraufgaben Biologie LK, schule.sachsen.de

300+15 / 255+15 min

LK/GK Gesamtarbeitszeit including Auswahlzeit, plus 15 minutes for the Aufgabe with fachpraktischem Anteil (VwV Abiturprüfung 2026)

VwV Abiturprüfung 2026, REVOSax

100 / 80 BE

BE scale applied in Leistungskursfach / Grundkursfach for Biologie, Chemie and Physik under VwV Abiturprüfung 2026

VwV Abiturprüfung 2026, REVOSax

IQB pool

Two of the four offered Aufgaben are taken unchanged from the nationwide IQB Abituraufgabenpool; further tasks are set in Sachsen

Musteraufgaben Biologie LK, schule.sachsen.de

22.04.2026

Written Biologie date in the 2026 main session; Nachprüfung 18 May 2026

schule.sachsen.de Gymnasium Prüfungskalender 2026

0–15 Punkte

Grading scale for each Prüfungsfach, from Note 1 (15–13 Punkte) to Note 6 (0 Punkte)

Oberstufen- und Abiturprüfungsverordnung (OAVO), Freistaat Sachsen

4 Inhaltsbereiche

KMK Bildungsstandards content areas: Leben und Energie, Informationsverarbeitung in Lebewesen, Lebewesen in ihrer Umwelt, Vielfalt des Lebens

Bildungsstandards im Fach Biologie für die Allgemeine Hochschulreife, KMK-Beschluss 18.06.2020

Free 100-question English-language MCQ study bank for Sachsen Abitur Biologie, mapped to KMK AHR Inhaltsbereiche and Saxon Lehrplan topics. Official exam: German materialgestützte Klausur, 4 Aufgaben / work 3, one with fachpraktischer Anteil, IQB pool tasks used; LK 300+15 min / GK 255+15 min (VwV 2026); written date 22.04.2026 (Nach 18.05.2026). Not an official-format simulation; no fee for regular school candidates.

Sample Saxony Abitur Biology Practice Questions

Try these sample questions to review concepts for the Saxony Abitur Biology exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to the KMK Inhaltsbereich 'Leben und Energie' emphasised in Saxon Abitur Biologie, which organelle is the main site of aerobic Zellatmung in eukaryotic cells?
A.Mitochondrium
B.Chloroplast
C.Ribosom
D.Zellkern
Explanation: Mitochondria house oxidative decarboxylation, the Tricarbonsäurezyklus and the Atmungskette, coupling electron transport to chemiosmotic ATP synthesis — the core of aerobic respiration taught under Leben und Energie.
2The Flüssig-Mosaik-Modell of the Biomembran, used across Saxon Lehrplan cell biology, describes membranes as
A.a rigid cellulose wall with fixed protein pores
B.a phospholipid bilayer with embedded proteins that can move laterally in a fluid lipid phase
C.a solid protein sheet without lipids
D.a triple layer of starch molecules
Explanation: The fluid mosaic model pictures phospholipids as a two-dimensional fluid in which integral and peripheral proteins float and diffuse laterally, enabling selective transport and signalling.
3Enzymes studied in fachpraktische Biologie tasks act primarily as
A.structural fibres that replace the cytoskeleton
B.carriers of hereditary information between generations
C.biological catalysts that lower activation energy of specific reactions without being consumed
D.pigments that absorb light in the thylakoid membrane
Explanation: Enzymes accelerate specific reactions by lowering activation energy and are regenerated at the end of the catalytic cycle — the principle behind Saxon temperature/pH enzyme experiments in the fachpraktischer Anteil.
4ATP functions in cells mainly as
A.the template from which mRNA is transcribed
B.the primary pigment of the Lichtreaktion
C.a structural component of the middle lamella
D.the universal short-term energy currency released when the terminal phosphate is hydrolysed
Explanation: Hydrolysis of ATP to ADP + Pi releases usable free energy coupled to endergonic processes such as active transport, biosynthesis and muscle contraction.
5Where does Glykolyse occur in a typical eukaryotic animal cell?
A.In the cytosol
B.In the mitochondrial matrix
C.On the inner mitochondrial membrane
D.Inside the nucleolus
Explanation: Glycolysis converts glucose to two pyruvate molecules in the cytosol, netting 2 ATP and 2 NADH before pyruvate enters the mitochondrion.
6In a Saxon fachpraktischer enzyme assay, activity typically collapses far above the temperature optimum because
A.heat always increases enzyme activity without limit
B.the protein denatures and the active site loses its functional three-dimensional shape
C.enzymes become permanently converted into DNA
D.substrate molecules freeze solid at high temperature
Explanation: Moderate warming speeds collisions up to an optimum; beyond that, thermal disruption of weak bonds denatures the enzyme, destroying catalytic geometry — a classic experimental outcome.
7Competitive enzyme inhibitors typically
A.permanently destroy the enzyme's primary amino-acid sequence at any concentration
B.increase Vmax without affecting substrate binding
C.bind the active site and can be overcome by raising substrate concentration
D.act only on DNA polymerase in the nucleus
Explanation: Competitive inhibitors resemble the substrate and occupy the active site; adding more substrate shifts binding toward productive ES complexes, restoring rate toward Vmax.
8The chemiosmotic mechanism of oxidative phosphorylation depends on
A.direct transfer of phosphate from glucose to ADP in the nucleus
B.light-driven splitting of water in the cytosol of animal cells
C.ribosomes polymerising ATP from amino acids
D.a proton gradient across the inner mitochondrial membrane driving ATP synthase
Explanation: Complexes of the Atmungskette pump H+ into the intermembrane space; protons flowing back through ATP synthase power ATP formation — chemiosmosis.
9Which statement correctly compares passive diffusion and active transport across a Biomembran?
A.Passive diffusion moves solutes down their electrochemical gradient without ATP; active transport moves solutes against a gradient and requires energy
B.Both always require ATP hydrolysis at every step
C.Active transport only moves water through aquaporins
D.Passive diffusion can only occur through nuclear pores
Explanation: Passive processes (simple/facilitated diffusion) follow gradients and need no metabolic energy input; active transporters couple energy (often ATP) to uphill transport.
10Lysosomes are best described as
A.the site of the Calvin cycle in animal cells
B.vesicles containing hydrolytic enzymes that digest macromolecules and worn organelles
C.stacks that glycosylate proteins for secretion only in bacteria
D.storage deposits of starch in plant vacuoles
Explanation: Lysosomes maintain an acidic lumen with acid hydrolases for autophagy and degradation of endocytosed material — a classic Kompartimentierung example.

About the Saxony Abitur Biology Exam

Saxony Abitur Biologie is the Freistaat Sachsen Biology examination for the Allgemeine Hochschulreife, taken as Leistungskursfach or written Grundkursfach. Content is governed by the KMK Bildungsstandards im Fach Biologie für die Allgemeine Hochschulreife (Beschluss 18.06.2020) and the Saxon Lehrpläne for allgemeinbildende Gymnasien (and Abendgymnasium/Kolleg), spanning the four Inhaltsbereiche Leben und Energie, Informationsverarbeitung in Lebewesen, Lebewesen in ihrer Umwelt and Vielfalt des Lebens. Since the reform illustrated in the Saxon Musteraufgaben (ab Schuljahr 2024/25), two of the four offered Aufgaben are taken unchanged from the nationwide IQB Abituraufgabenpool, and exactly one of the three worked tasks must include a fachpraktischer Anteil. This free bank of 100 original multiple-choice questions is an English-language study adaptation for building factual command of genetics, cell biology, ecology, evolution and neuro/physiology — including calculation-style items (Kreuzungsschemata, Hardy-Weinberg, enzyme optima, trophic energy). It is not a simulation of the official exam, which is written in German, materialgestützt, and includes hands-on or data-based practical work.

Exam sponsor: Sächsisches Staatsministerium für Kultus (SMK). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Official written Sachsen Abitur examination in Biologie, sat as Leistungskursfach or Grundkursfach under VwV Abiturprüfung 2026. Four Aufgaben are offered; three are worked independently. Task types are materialgebundene Aufgabe and fachpraktische Aufgabe (overlap permitted). Exactly one of the three worked tasks must have a fachpraktischer Anteil. Each Aufgabe may be divided into Teilaufgaben and maps mainly onto one of the four KMK Inhaltsbereiche for the Allgemeine Hochschulreife. This 100-question bank is an English-language MCQ study adaptation only — it does not reproduce the German-language free-response format or the experimental station work.

Time Limit

VwV Abiturprüfung 2026 (Chemie/Physik/Biologie): Leistungskursfach 300 minutes Gesamtarbeitszeit including Auswahlzeit, plus 15 minutes for the Aufgabe with fachpraktischem Anteil; Grundkursfach 255 minutes including Auswahlzeit, plus 15 minutes for the fachpraktischer Anteil. Saxon Musteraufgaben for the LK illustrate a 315-minute total that already folds in those 15 minutes for selection and setting up the Experimentierplatz. Written Biologie date 22 April 2026; Nachprüfung 18 May 2026.

Passing Score

Subject performance is reported on the 0–15 Punkte scale (Note 1 = 15–13 Punkte, Note 6 = 0 Punkte). VwV Abiturprüfung 2026 applies the 100-BE scale in the Leistungskursfach and the 80-BE scale in the Grundkursfach for Biologie/Chemie/Physik; Saxon LK Musteraufgaben illustrate 40 BE per worked Aufgabe (120 BE total across three Aufgaben). The Gesamtqualifikation under the OAVO combines Block I and Block II into a maximum of 900 Punkte, converted to the Abitur-Durchschnittsnote via the national KMK table.

Exam / Certification Fees

No exam fee for regular enrolled school candidates; the Abitur is a state school examination administered by the Sächsisches Staatsministerium für Kultus. Schulfremde Prüflinge, Abendgymnasium and Kolleg routes sit under the same landeseinheitliche framework without a published Biologie-specific fee.

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.

Study emphasis ~20%

Zellbiologie und Biochemie

Zellorganellen and Biomembran, Enzymatik (Temperatur, pH, Inhibitoren — directly relevant to fachpraktische Aufgaben), and the stoffliche/energetische Bilanz of Zellatmung.

Study emphasis ~22%

Genetik

DNA-Struktur, Replikation and Proteinbiosynthese, Mendel'sche Regeln and Kreuzungsschemata, Mutation, Genregulation and Gentechnik.

Study emphasis ~18%

Neurobiologie und Physiologie

Ruhe-/Aktionspotenzial, Erregungsleitung, Synapsen, Sinnesphysiologie, Hormone and proximate behavioural mechanisms.

Study emphasis ~22%

Ökologie

Fotosynthese, Ökosystemgrundlagen, Stoffkreisläufe, ökologische Nische and Populationsökologie — including skills used with Pflanzenbestimmungsbuch and experimental plant physiology.

Study emphasis ~18%

Evolution

Synthetische Evolutionstheorie, Selektionsformen, Gendrift, Isolationsmechanismen, Evolutionsbelege and Artbildung.

Preparing for the Saxony Abitur Biology Exam

What You Need to Know

  • Passing score: Subject performance is reported on the 0–15 Punkte scale (Note 1 = 15–13 Punkte, Note 6 = 0 Punkte). VwV Abiturprüfung 2026 applies the 100-BE scale in the Leistungskursfach and the 80-BE scale in the Grundkursfach for Biologie/Chemie/Physik; Saxon LK Musteraufgaben illustrate 40 BE per worked Aufgabe (120 BE total across three Aufgaben). The Gesamtqualifikation under the OAVO combines Block I and Block II into a maximum of 900 Punkte, converted to the Abitur-Durchschnittsnote via the national KMK table.
  • Assessment: Official written Sachsen Abitur examination in Biologie, sat as Leistungskursfach or Grundkursfach under VwV Abiturprüfung 2026. Four Aufgaben are offered; three are worked independently. Task types are materialgebundene Aufgabe and fachpraktische Aufgabe (overlap permitted). Exactly one of the three worked tasks must have a fachpraktischer Anteil. Each Aufgabe may be divided into Teilaufgaben and maps mainly onto one of the four KMK Inhaltsbereiche for the Allgemeine Hochschulreife. This 100-question bank is an English-language MCQ study adaptation only — it does not reproduce the German-language free-response format or the experimental station work.
  • Time limit: VwV Abiturprüfung 2026 (Chemie/Physik/Biologie): Leistungskursfach 300 minutes Gesamtarbeitszeit including Auswahlzeit, plus 15 minutes for the Aufgabe with fachpraktischem Anteil; Grundkursfach 255 minutes including Auswahlzeit, plus 15 minutes for the fachpraktischer Anteil. Saxon Musteraufgaben for the LK illustrate a 315-minute total that already folds in those 15 minutes for selection and setting up the Experimentierplatz. Written Biologie date 22 April 2026; Nachprüfung 18 May 2026.
  • Exam / certification fees: No exam fee for regular enrolled school candidates; the Abitur is a state school examination administered by the Sächsisches Staatsministerium für Kultus. Schulfremde Prüflinge, Abendgymnasium and Kolleg routes sit under the same landeseinheitliche framework without a published Biologie-specific fee. Official sources

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Saxony Abitur Biology: Suggested Study Strategy

1Map every topic to one of the four KMK Inhaltsbereiche — Saxon and IQB tasks are built that way, not as isolated textbook chapters.
2Practise Kreuzungsschemata, Hardy-Weinberg, enzyme-optimum graphs and trophic-energy calculations by hand; materialgestützte Teilaufgaben reward worked reasoning.
3Rehearse experimental design language (Hypothese, unabhängige/abhängige Variable, Kontrolle, Fehlerquellen) — exactly one of your three Aufgaben will have a fachpraktischer Anteil.
4Learn the IQB Grundstock von Operatoren (beschreiben, erklären, auswerten, beurteilen, etc.) so you know what each Aufforderung demands.
5Keep Hilfsmittel fluency: Formelsammlung des IQB, Zeichengeräte, MMS rules, and dichotomous plant keys without colour Habitus plates.
6Use Basiskonzepte (Struktur und Funktion, Kompartimentierung, Steuerung und Regelung, Stoff- und Energieumwandlung, Information und Kommunikation, Variabilität und Angepasstheit, Geschichte und Verwandtschaft) as connective threads across topics.

Frequently Asked Questions

Is the official Saxony Biologie Abitur exam multiple-choice?

No. The official written paper is a German-language Klausur built from materialgebundene and fachpraktische Aufgaben: candidates are offered four tasks and must complete three, and exactly one of those three must include a fachpraktischer (practical/experimental) Anteil. Two of the four offered tasks come from the nationwide IQB pool. This bank is an English-language MCQ study adaptation, not a simulation of the official format.

Why are the questions in English when the exam is in German?

This bank is a study aid for building factual command of the curriculum content in English. German technical terms — Zellatmung, Proteinbiosynthese, Mendel'sche Regeln, Fotosynthese, fachpraktischer Anteil — are preserved exactly as used in Saxon and KMK documents, so you can carry the vocabulary into German-language revision.

Which content does the exam cover?

The KMK Bildungsstandards Biologie for the Allgemeine Hochschulreife organise content into four Inhaltsbereiche: Leben und Energie, Informationsverarbeitung in Lebewesen, Lebewesen in ihrer Umwelt and Vielfalt des Lebens. Saxon Lehrpläne and IQB operator guidance implement those standards across Zellbiologie/Biochemie, Genetik, Neurobiologie/Physiologie, Ökologie and Evolution.

How long is the written exam?

Per VwV Abiturprüfung 2026: Leistungskursfach 300 minutes including Auswahlzeit plus 15 minutes for the Aufgabe with fachpraktischem Anteil; Grundkursfach 255 minutes including Auswahlzeit plus 15 minutes for the fachpraktischer Anteil. Saxon LK Musteraufgaben present this as a 315-minute Gesamtarbeitszeit that already includes those 15 minutes.

Does the Biologie exam include a practical or experimental component?

Yes — and it is mandatory in the sense that exactly one of the three Aufgaben you work must have a fachpraktischer Anteil. Permitted aids can include Zeichengeräte, the IQB Formelsammlung, an MMS, and (when the task requires it) closed-platform computer measurement systems; plant tasks may allow a dichotomous Pflanzenbestimmungsbuch. Gefährdungsbeurteilungen are provided centrally on exam morning.

When was the exam held in 2026?

In the 2026 main session the written Biologie exam was set for Wednesday 22 April 2026, with Nachprüfung on 18 May 2026 (schule.sachsen.de Prüfungskalender).

Is there an exam fee?

No. The Abitur is a state school examination in Sachsen administered by the SMK; regular enrolled school candidates pay no Biologie-specific fee.