KCET Biology Answer Key 2025 (Available): Unofficial Key PDF Link
KEA concludes the KCET 2025 examination with Biology examination today, April 17, 2025. Check the KCET Biology Answer Key 2025 available here.
KCET Biology Answer Key 2025: The Karnataka Examination Authority (KEA) concludes the KCET 2025 Examination 2025 today, April 17, 2025. As per the official schedule, the KCET Biology 2025 examination was held today from 2:30 PM to 3:50 PM. The KCET Biology 2025 question paper had a weightage of 60 marks. Students who attended the KCET Biology 2025 examination and are eager to analyse their performance can check the KCET Biology Answer Key 2025 available here.
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KCET 2025 Biology Answer Key
The KCET Biology 2025 questions and answers are given in the table below.
| KCET 2025 Biology Questions | KCET 2025 Biology Answer Key |
|---|---|
| Question 1: Choose the correct sequence of sperm transport during ejaculation | Seminiferous tubules → rete testis → vas efferentia → epididymis → vasa deferens → ejaculatory duct |
| Question 2: The 'Sixth Extinction' of species, presently in progress,_____ is times faster than the previous five episodes of mass extinctions. | 10 to 100 |
| Question 3: Out of the following options, identify which one is NOT a natural method of contraception? (1) Lactational amenorrhea (2) Periodic abstinence (3) Coitus interruptusImplants (4) Implants |
Implants |
| Question 4: In zygote intrafallopian tube transfer, the embryo upto stage is transferred into thefallopian tube | 8 blastomeres |
| Question 5: Read the following statements: Statement I: MTP is to get rid off wanted pregnancies due to causal unprotected intercourse or failure of contraceptives used during coitus or rapes Statement II: MTPs are performed legally by qualified doctors by giving proper medical justification Choose the correct answer from the options given below |
Statements I and II are incorrect |
| Question 6: How many types of gainetes will be formed by a patent with genotype 'AaBbCc' | 8 |
| Question 7: When a single gene exhibits multiple plienotypic expression, the phenomenon is called __ | Pleiatropy |
| Question 8: A colourblind man marries a carrier woman. The percentage of their colourblind progeny in the next generation will be ----- | 50% |
| Question 9: Identify which one of the given pair of options is correct with respect to Down's syndrome and Turner's syndrome. Option: Down's syndrome symptoms - Turner's syndrome symptoms a) Short-statured individual - Gynaecomastia in man b) Round head, partially open mouth - Overall masculine development c) Broad palm, physical and mental development retarded - Sterile females with rudimentary ovaries d) Aditional copy of an Xichirdimosome - Absence of an X chromosome |
Broad palm, physical and mental development retarded - Sterile females with rudimentary ovaries |
| Question 10: RNA polymerase II is responsible for the transcription of | hnRNA |
| Question 11: Which of the following enzymes increases the permeability of the bacterial cell to inctose? | Permease |
| Question 12: Which of the following statements are correct with reference to prokaryotic genome a) Monocistronic structural genes b) intrans absent in structural genes c) Transcription and translation are.coupled processes d) Promaly transcript undergoes spleino e) Only one RNA polymerase in prem |
Only b,c and e are corect |
| Question 13: When a change in the gene frequency of a population occur by chance is called __ | Genetic drift |
| Question 14: Darwin's finches represent one of the best examples of | Adaptive radiation |
| Question 15: Choose the correct statements from the following: a) Charles Darwin travelled around the world in a ship called HMS Beagle b) There has been grattual evolution of life forms c) According to Darwin fitonte refers to physical fitnes only d) Fassiis are rets of hand warts of its forms founds in rocks e) Huge De voert worked on Malay Archipelago |
a, b and d are correct |
| Question 16: In which of the following HIV replicates and prodoces its progeny vizantes? (1) Killer T-lymphocytes (2) Suppressor Tlymphocytes (3) Helper Tymphocytes (4) Measury Flyitaрсуте |
Hetper Tymphocytes |
| Question 17: Which of the following are the techniques for detection of cancer of internal organs? a) Radiography, MRI b) MRI, computed tomography c) Wadal test, radiography d) MRI, Midst test |
a and b |
| Question 18: Malignant malaria is caused by | Plasmodium falciparum |
| Question 19: The drug prescribed to the patients who have undergone organ transplant is ___and is produced by | Cyclosporin A, Trichoderma polysporum |
| Question 20: Read the following statements and select the correct option Statement I: Biocontrol refers to the use of biological methods for controlling plant diseases and pests Statemenrt II: Trichoderma species are effective bocontrol agents for several plant pathogens |
Both Statement Iand statement II are correct |
| Question 21: Match the Column I with Column-II. Choose the correct option given below Column I a) Streptococcus b) Penicillium c) Methamogeos d) Anabaena Column II i. Free living nitrogen tema pactusa ii. Clot buster iii. Sourceof antibotic iv. Biogas produktion |
a-ii, b-iii, c-iv,d-i |
| Question 22: Match the contents of List-l with List-lI List-1 a) Bioreactors b) Downstream processing c) Recombinant proteve d) PCR List-lI i. Insulin produced by DNA technology ii. Vessels which convert raw material specific product iii. Detect mutated genes n. suspecte patient iv. Involves separaban and purification Choose the correct options from the following |
a-ii, b-iv, c-i,d-iii |
| Question 23: The part of plasmid that codes for proteins involved in the replication of the p 8R322 Plasmid is | "rop" |
| Question 24: To isolate DNA from fungal cells, bacterial cells and plant cells, the enzymes required are respectively | Chitinase, Lysozyme and Cellulase |
| Question 25: In mature insulin, which of the peptide not present? | C-peptide |
The above available KCET 2025 Biology Answer Key is taken from the collegedekho website.
KCET 2025 Biology Answer Key: PDF Link
The PDF link to download the KCET unofficial Biology Answer Key 2025 is given in the table below.
| KCET 2025 Biology Answer Key PDF Link (to be added) |
As the KCET 2025 examination concludes today, candidates can expect the KCET Provisional Answer Key 2025 to be released soon. Candidates are advised to visit the official website of the Karnataka Examination Authority (KEA) for more updates.
KCET Expected Marks vs Rank 2025
|
165 Marks |
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