KCET 2026 Biology Question Paper is available for download here. KEA conducted KCET 2026 Biology exam on April 24 in Shift 2 from 2.30 PM to 3.50 PM.
- KCET Biology Question Paper consists of 60 questions to be attempted in 80 minutes.
- Each correct answer will get you 1 mark and there is no negative marking for incorrect answers.
Candidates can download KCET 2026 Biology Question Paper with Answer Key and Solution PDF from the links provided below.
KCET 2026 Biology Question Paper with Solution PDF
| KEAM 2026 Biology Question Paper | Download PDF | Check Solution |
A chromosome with an extremely short and a very long arm is called ________.
The following statements are the steps in the catalytic action of an enzyme. Arrange them in correct sequence.
a) The active site of the enzyme, now in close proximity of the substrate, breaks the chemical bonds of the substrate and the new enzyme product complex is formed.
b) The substrate binds tightly to the enzyme, inducing a change in the active site of the enzyme.
c) The enzyme releases the products of the reaction and the free enzyme is ready to bind to another molecule of the substrate.
d) The substrate binds to the active site of the enzyme.
A diploid cell which has 8 chromosomes undergoes meiosis and produces 4 daughter cells. What is the number of chromosomes present in each daughter cell formed at the end of meiosis-I?
Cellulose is an important structural component in plants which is made up of
In a healthy individual, the Glomerular Filtration Rate (GFR) is ________.
A hormone that initiates flowering and synchronising fruit set in pineapples is ________.
Identify the incorrect statement regarding respiratory system in man.
Consider the following statements with respect to ECG [Electrocardiogram] and choose the correct answer.
Statement I : 'P' wave represents the depolarisation of ventricles.
Statement II : 'T' wave represents the repolarisation of ventricles.
Aldosterone from adrenal cortex stimulates the reabsorption of water and Na\(^+\) from ________.
Observe the flowchart with reference to joints and their examples.
Unipolar neurons are found usually in the embryonic stage. They have
Gastrin is a hormone secreted by gastrointestinal (GI) tract, which stimulates the secretion of
Choose the correct sequence of wall layers in a microsporangium of an angiosperm.
Which of the following statement is/are correct for cleistogamous flowers?
a) They have exposed anthers and stigma
b) They produce assured seed set
c) They need pollinators for pollination
d) Variations in traits are not seen in next generation
Identify the drug molecule from the skeletal structure shown below.
Identify the correct path of milk secretion by the mammary glands.
Match items in Column-I with Column-II and choose the correct
Which of the following does NOT produce seminal plasma?
Which of the following Sexually Transmitted Infections (STIs) are not completely curable?
Which of the following statements is NOT true about 'Saheli'?
A woman, unable to conceive after many years of regular unprotected coitus, went to a specialized clinic. On complete examination, the woman was found to be normal, while the male partner was diagnosed with Infertility and was unable to inseminate the female due to low sperm count. Suggest the appropriate Assisted Reproductive Technology (ART).
The genotypes of husband and wife are \( I^A I^B \) and \( I^A I^O \). Among the blood groups of their children, how many different genotypes and phenotypes are possible?
The classical example of point mutation is
Read the following statements.
Statement I : In a typical test cross, an organism showing a dominant phenotype is crossed with the recessive parent.
Statement II : The ratio of organisms showing dominant and recessive traits in F\(_{1}\) generation of a test cross indicates that the organism with unknown genotype is homozygous dominant.
Choose the correct option.
Thalassemia and Sickle cell anaemia are due to a problem in globin molecule synthesis. Select the correct statement.
Who amongst the following scientist/s had no contribution in the development of the double-helix model for the structure of DNA?
In a DNA molecule, cytosine is 28%. Calculate the percentage of adenine.
Arrange the below given steps of DNA fingerprinting in sequence by selecting the appropriate option.
a) Digestion of DNA by restriction endonucleases
b) Autoradiography
c) Blotting of DNA fragments to nitrocellulose membrane
d) Isolation of DNA
e) Separation of DNA fragments by electrophoresis
Select the statement which is 'NOT' true about Big Bang Theory.
According to Hugo De Vries, speciation is due to
Identify the correct order of stages in Human evolution.
a) Homo habilis
b) Homo erectus
c) Australopithecus
d) Neanderthal man
e) Dryopithecus
Pollen grains are well preserved as fossils because of the presence of ________.
The causative organism of Pneumonia is ________.
Select the option that contains only secondary lymphoid organs.
Identify the biological response modifier substance which activates the immune system and helps in destroying the tumor.
The conversion of milk into curd by LAB increases the nutritional value by producing ________.
BOD of polluted water is estimated by measuring the amount of ________.
Given below are two statements.
Statement I: 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.
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
Given below are two statements.
Statement I: Restriction enzyme BamHI has its recognition site in tet\(^{R}\) region of pBR322.
Statement II: E.coli having pBR322 with a desired DNA if inserted at BamHI site can grow in medium containing tetracycline.
In the light of the above statements, choose the correct answer from the options given below.
Match List I with List II
List I
a) Visualization of DNA in gel electrophoresis
b) Precipitation of DNA
c) Breaking of cell wall of bacteria
d) Breaking of cell wall of fungus
List II
i) Chitinase
ii) Lysozyme
iii) Chilled ethanol
iv) Ethidium bromide
Codes:
The human protein obtained from transgenic animals used to treat emphysema is
Given below are the sequence of events in the production of human insulin by Eli Lilly.
a) Preparation of two DNA sequences corresponding to chain A and B of human insulin.
b) Production of chain A and B separately.
c) Introduction of chains in plasmids of E.coli.
d) Extraction of chain A and B combining them by creating disulphide bonds.
Choose the correct sequence of events.
Given below are two statements
Statement I: Adenosine deaminase is crucial for the immune system to function.
Statement II: Adenosine deaminase deficiency can be cured only by bone marrow transplantation.
In the light of the above statements, choose the correct answer from the options given below.
Which of the following is not correct with reference to exponential growth model?
The following graphs represent age pyramids of a population.
Which one of the following options represents the steps of decomposition in sequence?
The Annual Net Primary Productivity on land and ocean respectively are ________ and ________ billion tons.
In a practical examination, the below given pedigree chart was given as spotter for identification.
Given below are two statements.
Statement I: There is less species biodiversity in tropical latitudes than in temperate region
Statement II: Tropical environments unlike temperate ones are less seasonal, relatively more constant and predictable.
In the light of the above statements, choose the correct answer from the options given below.
A student was given a bisexual, actinomorphic pentamerous, gamosepalous and gamopetalous with 5 stamens in epipetalous condition and bicarpellary syncarpous superior ovary and asked to state the floral formula. Which one of the following is the correct floral formula for the given flower?
A student was asked to identify a permanent slide of mitosis. He made the following observations.
(i) Splitting of centromere and formation of daughter chromatids.
(ii) Chromatids are migrating towards the opposite poles.
The stage would be
With respect to binomial nomenclature, identify the incorrect statement.
Organism 'X' is a multicellular, heterotrophic, eukaryote with a chitinous cell wall. In which kingdom will you place it?
Read the following statements about Funaria and select the options which are correct.
a) Gametophyte is the dominant plant body.
b) The sporophyte is differentiated into foot, seta and capsule.
c) The gemmae are asexual, green, multicellular buds found on the thallus.
d) The sporophyte has independent existence.
Match the animals given in List-I with their excretory organs in List-II.
Identify the flower with polyadelphous condition.
The large empty colourless cells seen on the upper epidermis in grasses which facilitate the curling of leaves to minimise water loss are ________
Find the incorrect statement among the following with respect to digestive system of frog.
Which of the following is not the function of plasma membrane?
KCET 2026 Biology: Expected Section-Wise Weightage
| Topic | Weightage | Expected Number of Questions |
| Human Physiology | 25% | 10 |
| Plant Physiology | 20% | 8 |
| Genetics and Evolution | 25% | 10 |
| Ecology and Environment | 15% | 6 |
| Cell Biology | 10% | 4 |
| Biotechnology | 5% | 2 |
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