KCET Biology Answer Key 2026 (Available): Check Your Answers, Estimate Your Score
Download KCET 2026 Biology Answer Key with question-wise solutions here. Check chapter-wise weightage trends since 2023, estimate your rank, and track the official KEA answer key release.
The KCET 2026 Biology exam has been successfully conducted on April 24, 2026, from 2:30-3:50 PM. You will have to wait until the official keys are announced but in the meantime, using the KCET Biology unofficial answer key 2026 is the surest method of having a clear vision of your performance. A student who achieves 50 and above in Biology with a good overall rank is in actual contention in government medical colleges and a deficit of 5 marks can lead you down by several thousand ranks.
Going by the first reactions and reviews shared by the students, we can say that theKCET 2026 Biology paper was easy to moderateand pretty much scorable. The questions were strictlyaligned with theNCERT Class 11 and 12 textbooks, rewarding students who focused on conceptual clarity and thorough reading of the standard syllabus. Unlike the Mathematics session in the first shift, time management in the KCET Biology 2026 paper was not that hard. Most students were able to navigate all 60 questions efficiently and even spare some time to review and revise. High weightage topics in the exam includedGenetics, Evolution, and Human Physiology.
This paper provides you with the KCET 2026 Biology questions along with answer key, trend analysis of the chapters covered in three years, and a score to rank look up table, all you need to know is to evaluate your performance and take the next step before counselling starts.
Also Read:KCET Predicted Marks vs Rank 2026 Analysis with 2nd PUC Weightage
KCET 2026 Biology Questions and Answer Key
The table below has been updated with KCET Biology questions and correct answers for quick review.
Questions | Correct Answer |
|---|---|
| The TCA cycle (Krebs cycle) starts with the condensation of an acetyl group with which molecule to form citric acid? | Oxaloacetic acid (OAA) |
| Which of the following is a characteristic feature of the prokaryotic genome? | Introns are absent in structural genes (and translation/ transcription are coupled) |
| Identify the statement that does NOT correspond to the functions of cortisol | "Suppresses RBC production" is incorrect (Cortisol actually stimulates RBC production) |
| Which population attribute contributes to an increase in population density? | Natality and Immigration |
| Choose the correct statement regarding Charles Darwin's journey | Charles Darwin traveled around the world in a ship called HMS Beagle |
| In a graph showing the concept of activation energy, what do 'M' and 'N' typically represent? | M = Activation energy without enzyme; N = Activation energy with enzyme |
| Species diversity generally _____ as we move away from the equator towards the poles. | Decreases |
| If 8 individuals in a laboratory population of 80 fruit flies died during a week, what is the death rate? | 0.1 individuals per fruit fly per week (8/80) |
| Identify the incorrect rule of Binomial Nomenclature | Rules often specify that biological names are printed in italics and underlined separately when handwritten; an incorrect option might suggest they are printed in bold or not underlined. |
| When a change in the gene frequency of a population occurs by chance, it is termed as: | Genetic Drift |
| Which of the following is the most accepted theory for the ascent of sap in tall trees? | Cohesion-tension-transpiration pull model |
| The part of the fallopian tube closest to the ovary is the: | Infundibulum |
| In the process of PCR (Polymerase Chain Reaction), the step where primers are added to the DNA template is called: | Annealing |
| Which organelle is known as the "suicidal bag" of the cell? | Lysosome |
| In a Mendelian dihybrid cross, what is the phenotype ratio of the F2generation? | 9:3:3:1 |
| In a grazing food chain, the first trophic level is occupied by: | Producers (Autotrophs) |
| Which of the following is used in the production of Statins (blood cholesterol-lowering agents)? | Monascus purpureus(a yeast) |
| The water-conducting tissue in gymnosperms consists primarily of: | Tracheids (Vessels are generally absent) |
| Which of the following is a "living fossil"? | Limulus(King crab) |
| Which type of antibody is most abundant in Colostrum (the first milk from the mother)? | IgA |
| BOD of polluted water is estimated by measuring the amount of (1) Total organic matter (2) Oxygen evolution (3) Oxygen consumption (4) Biodegradable organic matter | Oxygen consumption |
| Given below are two statements. Statement 1: Baculoviruses are pathogens that attack nematodes. Statement II: Baculoviruses are used as biological control agents in ecologically sensitive areas as they are species-specific in their action. In the light of the above statements, choose the correct answer from the options given below. (1) Both Statement I and Statement II are true (2) Both Statement I and Statement II are false (3) Statement 1 iş true, but Statement II is false (4) Statement I is false, but Statement II is true | Statement I is false, but Statement II is true |
| Technique to alter the chemistry of genetic materials, DNA and RNA, to introduce these into host organism and change the phenotype of the host is (1) Bioprocess engineering (2) Cloning (3) Genetic engineering (4) Transformation | Genetic engineering |
| Given below are two statements, Statement I: Restriction enzyme BamHI has its recognition site in tet region of pBR322. Statement II: E.coli having pBR322 with a desired DNA if inserted at BamHI site can grow in 1 medium containing tetracycline. In the light of the above statements, choose the correct answer from the options given below. (1) Both Statement I and Statement II are true (2) Both Statement I and Statement II are false (3) Statement I is true, but Statement II is false (4) Statement 1 is false, but Statement II is true | Statement I is true, but Statement II is false |
Match List 1 with List II List 1 List II (a) Visualization of DNA in gel electrophoresis (i) Chitinase (b) Precipitation of DNA (ii) Lysozyme (c) Breaking of cell wall of bacteria (iii) Chilled ethanol (d) Breaking of cell wall of fungus (iv) Ethidium bromid | a - iv b - iii c = ii d - i |
| The human protein obtained from transgenic animals used to treat emphysema is | a - 1 antitrypsin |
| Which of the following is not correct with reference to exponential growth model? (1) Resources are limited (2) Population grows in a geometric fashion (3) A stationary phase is never reached (4) Population grows beyond carrying capacity | Resources are limited |
| The Annual Net Primary Productivity on land and ocean respectively are _______ and _________ billion tons. (1) 170, 107 (2) 115,55 (3) 55, 115 (4) 107,170 | 115,55 |
| In a practical examination, the below given pedigree chart was given as spotter for identification. The students identified the pedigree chart as (1) Autosomal recessive (2) Autosomal dominant (3) Sex-linked dominant (4) Sex-linked recessive | Autosomal recessive |
| Which one of the following options represents the steps of decomposition in sequence? (1) Fragmentation → Humification Leaching Catabolism→ Mineralization (2) Fragmentation →Leaching Catabolism Humification Mineralization (3) Fragmentation →Humification Mineralization → Leaching → Catabolism (4) Fragmentation → Catabolism Humification Mineralization → Leaching | Fragmentation →Leaching Catabolism Humification Mineralization |
Why Biology Matters More Than You Think in KCET
It is worth knowing that Biology is the only subject in KCET which is needed for admissions to medical courses such as MBBS, BDS, BAMS and BVSc. Should you be a PCMB student and want to join engineering and medical streams, it will be your Biology grade that will directly decide on your eligibility and position in the medical colleges of Karnataka.
The main chapters such as Genetics, Human Physiology and Ecology have the weightage and have been placed throughout the history of KCET papers. These are not merely about scoring, but achieving the branch and college you have been striving to achieve.
Also Read:What to Expect for 80 Marks in KCET 2026?
I Scored 45+ in KCET Biology 2026 – What Does That Mean for Your Rank?
It must be understood that Biology alone won't decide your fate, but it plays a much bigger role than most students realise. Here's a quick reference to understand what your Biology score means in the larger picture:
Biology Score (out of 60) | Estimated Overall KCET Rank Range | Likely Admission Prospects |
|---|---|---|
55 – 60 | Top 1,000 | Government medical colleges very likely |
45 – 54 | 1,000 – 5,000 | Good private medical and BSc colleges |
35 – 44 | 5,000 – 15,000 | Private colleges, BSc Agriculture likely |
25 – 34 | 15,000 – 30,000 | Management quota or lateral options |
Below 25 | 30,000+ | Consider other state exams |
Remember, your final rank is calculated across Physics, Chemistry, and Biology together so make sure you don't judge your chances from Biology alone.
Also Read:What to Expect for 100 Marks in KCET 2026?
Biology Chapters KCET Has Been Quietly Favouring Since 2023
Let us have a detailed look at the KCET Biology papers from the last three years together,you will find a clear pattern emerging, some chapters show up consistently heavy while others have slowly faded. Here's a look at what the data actually tells you:
Chapter | 2023 | 2024 | 2025 | Approximate Nos. in 2026 |
|---|---|---|---|---|
Genetics and Evolution | 9 | 10 | 10 | 8 – 10 |
Human Physiology | 8 | 9 | 9 | 8 – 10 |
Reproduction | 7 | 7 | 7 | 6 – 8 |
Ecology and Environment | 6 | 7 | 7 | 6 – 7 |
Biotechnology | 5 | 6 | 6 | 5 – 6 |
Plant Physiology | 6 | 5 | 5 | 4 – 5 |
Cell Biology | 5 | 4 | 5 | 4 – 5 |
Diversity and Classification | 5 | 4 | 4 | 3 – 4 |
Human Welfare and Disease | 4 | 4 | 4 | 2 – 3 |
Structural Organisation | 3 | 3 | 3 | 3 – 4 |
How to Download the Official KCET 2026 Biology Answer Key from KEA
The KCET answer key 2026 is likely to be published on the official site of KEA several days after the exam. It can be accessed here in the following way:
Visit kea.kar.nic.in
Go to the UGCET 2026 tab in the Admissions.
Find Biology Answer Key download button.
Choose your version of the question paper.
Get the PDF and begin to match your answers.
In case you notice an answer that does not appear right, then you can dispute it by using your CET number and date of birth to access the portal. Always remember to include the version code and question number and send a valid supporting document, which is normally an NCERT reference or a PUC textbook reference. Objections made without the appropriate evidence will not be taken into consideration.
Also Read:List of Colleges Accepting KCET 50,000 to 1,00,000 Rank for B.Tech Admission 2026
One of the pieces of a bigger puzzle is your KCET 2026 Biology score. Compare your answers here, approximate your marks and turn your attention to the realization of your overall rank and college choice. The counselling process is a rushed affair and it always helps to be well prepared in advance.
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