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IMAT Research Lab

IMAT 2025 Biology Report

2025 We examine the biology part in the IMAT exam; subject distribution, warning profile, DOK level, skill load, time pressure and question-based technical index.

Publication date: 10 August 202623 Biology questionQ10-Q32

Executive summary

Biology was the largest part of the 2025 IMAT exam: 60 questions were under 23 biology heads. This corresponds to 38.3% of the test. The average difficulty value of the department was coded as 7.91/25. Biology generally showed a structure that carries selective conceptual load in low-middle difficulty band, but in certain questions.

23

Biology question

Q10-Q32

38.3%

share in the test

23 of 60 questions

7.91 / 25

average difficulty

Research Lab index

35.22 sec

average estimated time

not measured from candidate response times

14 / 9 / 0

low / medium / high

not too high difficulty

13 / 9 / 1

DOK 1 / DOK 2 / DOK 3

DOK 4

The most remarkable finding is that the part of the two subjects family is markedly saturated: Cellular Bioenergetics and Human Anatomy and Physiology together 14 questions created 60.9% of the biology section.

Research Method

The values in this report are based on analytical coding made by IMAT Academy Research Lab. Difficult, duration and component loads are not official IMAT metrics; student has not been used accuracy rate or actual solution time.

The purpose is to make a cognitive job from the student of the biology section: whether it is direct information, conceptual distinction, application in the new context, or do you decide safe between close distractors?

General profile of biology section

There is no question entering high or very high visible tape in the biology section. This does not mean the part is insignificant. Since the number of questions is high, Biology has a wide effect on total points.

Difficulty band dagilimi

Low14 - 60.9%
Medium9 - 39.1%
High0 - 0%
Very High0 - 0%
Biology bilesen yukleri
Measurement TagsValueComments
Knowledge Depth1.48 / 5Basic knowledge and conceptual separation stand out.
Language Load1.57 / 5Text load is generally low; technical term tracking is required.
Calculation Load1.00 / 5All biology questions are at the lowest calculation load.
Reasoning Load1.43 / 5Mental execution is limited; selective load concentrates in several questions.
Distractor Strength2.43 / 5Near concepts and partial correct expressions are the main condictive mechanism.

Topic Distribution

The main weight of the 2025 Biology section is on Cellular Bioenergetics. Topics such as lactic fermentation, glycolysis, Krebs cycle, cellular respiration, ATP/energy pathway and photosynthesis.

Biology topic distribution

Cellular Bioenergetics8 - 34.8%
Human Anatomy and Physiology6 - 26.1%
Cell Biology3 - 13.0%
Enzymes2 - 8.7%
Biomolecules1 - 4.3%
Biomolecules and Tissues1 - 4.3%
Metabolism1 - 4.3%
Muscle Metabolism1 - 4.3%

This distribution does not mean that the next test will repeat with the same numbers. But in terms of preparation, energy conversion, cellular processes and physiology connections should be established strong.

Difficulty Profile

The average difficulty is 7.91/25, median difficulty is 7/25. The highest value is 13/25 in Q18. Q12 and Q17 create the second layer with 11/25.

Biology question-level difficulty profile
ItemFocusDifficultyDOKEstimated time
Q18Bohr effect13 / 25DOK 365 sec
Q12Krebs cycle11 / 25DOK 245 sec
Q17Human physiology11 / 25DOK 250 sec
Q11Glycolysis10 / 25DOK 245 sec
Q22Cellular respiration10 / 25DOK 245 sec
Q26Muscle metabolism10 / 25DOK 240 sec
Q27Membrane transport10 / 25DOK 240 sec
Q28Photosynthesis10 / 25DOK 245 sec
Q32Human anatomy10 / 25DOK 240 sec
Q19Direct Biology knowledge5 / 25DOK 120 sec

DOK and depth of knowledge

13 questions in the biology section DOK 1, 9 questions DOK 2 and only 1 question were coded as DOK 3. DOK 4 questions.

Biology DOK dagilimi
DOKNumber of questionsMeaning
DOK 113Direct Knowledge / recall
DOK 29Conceptual relationship and routine application
DOK 31New binding application
DOK 40No

Measured skills

The large part of the biology questions is based on Information Recall and Conceptual Understanding. Knowledge Application stands out only as a prominent primary skill in a question.

Biology skill distribution
SkillNumber of questionsComments
Information Recall14Recall the terms, process or structure information directly
Conceptual Understanding8Determining nearby concepts and establishing relationships
Knowledge Application1New binding app

Question format

Direct Knowledge in primary question format distribution is ahead with 15 questions. Conceptual Comparison creates the second main format with 7 questions. The Scenario format is marked only in Q18.

Primary format distribution

Direct Knowledge15 - 65.2%
Conceptual Comparison7 - 30.4%
Scenario1 - 4.3%

Time and load analysis

The average estimated solution time in the biology section is 35.22 seconds, while median is 30 seconds. The Calculation Load is 1/5 in all Biology questions; the selectiveness is composed of more depth of knowledge, accurate context and distractor strength.

Question spots

The following notes explain why the representation power in the Biology section is important without republishing full question texts.

Q18

Bohr effect and texture baglami

The most selective question of the biology set. The question does not only ask definition; oxygen transport is placed in the context of metabolically active tissue that produces H+ and CO2.

Q12

Krebs cycle ayrimi

It requires reading the crebs information not only as the memorization sentence, but with the location and product relationship in the pathway.

Q17

Human physiology yorumu

The correct answer in Physiology questions often comes from a single term, not at the system level.

Q22

Cellular respiration kontrolu

Step, product and organel matching in energy metabolism questions should be controlled simultaneously.

Q27

Membrane transport

It is not enough to know the transport mechanism only as the name; the direction, energy need and membrane protein relationship should be read together.

Q32

Human anatomy knowledge

Anatomy questions can be solved quickly, but the right structure-functional match can be turned into close options.

Preparation interests

2025 Biology profile highlights three working behaviors in the IMAT preparation: energy metabolism and cellular bioenergetics headers should be studied with pathway–organelle–product relationship, human anatomy and physiology should be learned with structure-function relationship and practice to call quick feedback for direct knowledge questions.

Technical index: Q10-Q32

The technical index shows the basic areas of coded by 23 issues in the Biology section. This table report can be controlled more and compared with other section reports.

2025 IMAT Biology technical index
ItemNewsSubtopicFormatDOKDifficultyTime
Q10Cellular BioenergeticsLactic fermentationDirect KnowledgeDOK 1625
Q11Cellular BioenergeticsGlycolysisConceptual ComparisonDOK 21045
Q12Cellular BioenergeticsKrebs cycleDirect KnowledgeDOK 21145
Q13Cell BiologyCell structuresDirect KnowledgeDOK 1625
Q14BiomoleculesBiological macromoleculesDirect KnowledgeDOK 1725
Q15EnzymesEnzyme activityConceptual ComparisonDOK 2835
Q16Cell BiologyMembrane structureDirect KnowledgeDOK 1725
Q17Human Anatomy and PhysiologyPhysiology relationConceptual ComparisonDOK 21150
Q18Human Anatomy and PhysiologyBohr effectScenarioDOK 31365
Q19BiologyDirect knowledgeDirect KnowledgeDOK 1520
Q20Human Anatomy and PhysiologyOrgan systemDirect KnowledgeDOK 1725
Q21Human Anatomy and PhysiologyHomeostasisConceptual ComparisonDOK 2935
Q22Cellular BioenergeticsCellular respirationConceptual ComparisonDOK 21045
Q23Cellular BioenergeticsATP and energyDirect KnowledgeDOK 1830
Q24Biomolecules and TissuesTissue biologyDirect KnowledgeDOK 1725
Q25EnzymesEnzyme regulationConceptual ComparisonDOK 2935
Q26Muscle MetabolismMuscle energyConceptual ComparisonDOK 21040
Q27Cell BiologyMembrane transportConceptual ComparisonDOK 21040
Q28Cellular BioenergeticsPhotosynthesisConceptual ComparisonDOK 21045
Q29MetabolismMetabolic regulationDirect KnowledgeDOK 1830
Q30Cellular BioenergeticsEnergy pathwayDirect KnowledgeDOK 1725
Q31Human Anatomy and PhysiologyAnatomy functionDirect KnowledgeDOK 1830
Q32Human Anatomy and PhysiologyHuman anatomyConceptual ComparisonDOK 21040

Citation Information

IMAT Academy Research Lab. IMAT 2025 Biology Report: Topic distribution, difficulty profile, DOK and question-level analysis. Publication date: 10 August 2026. IMAT Academy

This study is an independent Research Lab analysis; it is not the official IMAT statistics or a a publication by the exam authority.