KCET Exam Held on 16-06-2022 Questions with answers
| 1. | Filtration of blood during urine formation takes place in | |
| (A) | Collecting duct | |
| (B) | DCT | |
| (C) | Glomerulus | |
| (D) | PCT | |
CORRECT ANSWER
(C) Glomerulus
| 2. | Corpus Callosum connects the | |
| (A) | Cerebrum and cerebellum | |
| (B) | Two lobes of cerebellum | |
| (C) | Spinal cord with the brain | |
| (D) | Two cerebral hemispheres | |
CORRECT ANSWER
(D) Two cerebral hemispheres
| 3. | Menstrual cycle is exhibited by : | |
| (A) | Apes | |
| (B) | Cow | |
| (C) | Tiger | |
| (D) | Rat | |
CORRECT ANSWER
(A) Apes
| 4. | An example of dioecious plant : | |
| (A) | Mango | |
| (B) | Cucurbita | |
| (C) | Papaya | |
| (D) | Coconut | |
CORRECT ANSWER
(C) Papaya
| 5. | Stalk of the Stamen is : | |
| (A) | Petiole | |
| (B) | Filament | |
| (C) | Peduncle | |
| (D) | Pedicel | |
CORRECT ANSWER
(B) Filament
| 6. | The ovule of angiosperm is technically known as : | |
| (A) | Megaspore mother cell | |
| (B) | Megasporangium | |
| (C) | Megaspore | |
| (D) | Megasporophyll | |
CORRECT ANSWER
(B) Megasporangium
| 7. | Typical mature embryosac of angiosperm is | |
| (A) | 7 nucleated 8 celled structure | |
| (B) | 8 nucleated 8 celled structure | |
| (C) | 8 nucleated 1 celled structure | |
| (D) | 8 nucleated 7 celled structure | |
CORRECT ANSWER
(D) 8 nucleated 7 celled structure
| 8. | One of the 2000 years old viable seed, discovered during the archeological excavation at King Herold’s near dead sea. | |
| (A) | Maize | |
| (B) | Sunflower | |
| (C) | Lupin | |
| (D) | Phoenix dactylifera | |
CORRECT ANSWER
(D) Phoenix dactylifera
| 9. | The testis are situated outside the abdominal cavity in scortum as it helps to | |
| (A) | Maintain the low temperature | |
| (B) | Store sperm | |
| (C) | Regulates harmone secretion | |
| (D) | Release sperm | |
CORRECT ANSWER
(A) Maintain the low temperature
| 10. | Identify the odd one from the following : | |
| (A) | Infundibulum | |
| (B) | Fimbriae | |
| (C) | Isthamus | |
| (D) | Labia minora | |
CORRECT ANSWER
(D) Labia minora
| 11. | In which month of gestation, the first movements of foetus and appearance of hair on its head is observed ? | |
| (A) | 5th month | |
| (B) | 1st month | |
| (C) | gth month | |
| (D) | 4th month | |
CORRECT ANSWER
(A) 5th month
| 12. | The most abundant type of WBC cells | |
| (A) | Eosinophils | |
| (B) | Basophils | |
| (C) | Monocytes | |
| (D) | Neutrophils | |
CORRECT ANSWER
(D) Neutrophils
| 13. | Which of the following is correctly matched ? | |
| (A) | Bulbil - Agave | |
| (B) | Conidia - Hydra | |
| (C) | Spores - Sponge | |
| (D) | Gemmules - Amoeba | |
CORRECT ANSWER
(A) Bulbil - Agave
| 14. | The technique advised by a doctor to overcome the problem of infertility : | |
| (A) | RCH | |
| (B) | MTP | |
| (C) | RTI | |
| (D) | ART | |
CORRECT ANSWER
(D) ART
| 15. | Amniocentesis is a process to | |
| (A) | To grow cell on culture medium | |
| (B) | Determine any disease of heart | |
| (C) | Determine the sex of the foetus | |
| (D) | Know about the disease of brain | |
CORRECT ANSWER
(C) Determine the sex of the foetus
| 16. | The first human like being is | |
| (A) | Homo sapiens | |
| (B) | Homo erectus | |
| (C) | Homo menthus | |
| (D) | Homo habilis | |
CORRECT ANSWER
(D) Homo habilis
| 17. | XO type of sex determination and XY type of sex determination are the examples of | |
| (A) | Male Homogamety | |
| (B) | Male Heterogamety | |
| (C) | Female Homogamety | |
| (D) | Female Heterogamety | |
CORRECT ANSWER
(B) Male Heterogamety
| 18. | Example for Non-Mendelian disorder : | |
| (A) | Thalassemia | |
| (B) | Haemophilia | |
| (C) | Cystic fibrosis | |
| (D) | Down’s syndrome | |
CORRECT ANSWER
(C) Cystic fibrosis
| 19. | Gynecomastia is a symptom of | |
| (A) | Turner’s syndrome | |
| (B) | Down’s syndrome | |
| (C) | Cri-du-chat syndrome | |
| (D) | Kline Felter’s syndrome | |
CORRECT ANSWER
(D) Kline Felter’s syndrome
| 20. | The affected male in the pedigree chart is symbolized by : | |
| (A) | ⬛ | |
| (B) | ⬜ | |
| (C) | 🔷 | |
| (D) | ⚪ | |
CORRECT ANSWER
(A) ⬛
| 21. | The given diagram represents : | |
 | ||
| (A) | Nucleosome | |
| (B) | Chromosome | |
| (C) | Mesosome | |
| (D) | Ribosome | |
CORRECT ANSWER
(A) Nucleosome
| 22. | Which of the following hormones is not secreted by human placenta ? | |
| (A) | Progestogen | |
| (B) | hCG | |
| (C) | FSH | |
| (D) | Relaxin | |
CORRECT ANSWER
(C) FSH
| 23. | A series of experiments were conducted by Frederick Griffith in 1928, on transmog principle with : | |
| (A) | Salmonella typhimurium | |
| (B) | Escherichia coli | |
| (C) | Streptococcus pneumoniae | |
| (D) | Bacillus thuringiensis | |
CORRECT ANSWER
(C) Streptococcus pneumoniae
| 24. | The number of codons effective in coding twenty amino acids : | |
| (A) | 64 | |
| (B) | 61 | |
| (C) | 20 | |
| (D) | 32 | |
CORRECT ANSWER
(B) 61
| 25. | Which aspect forms the basis of DNA finger-printing ? | |
| (A) | The Satellite DNA showing high degree of repetition in DNA segments. | |
| (B) | The ratio of purines and pyrimidines present in DNA. | |
| (C) | The amount of DNA found in samples of blood, saliva and skin. | |
| (D) | The Sequence of DNA present in the ridges and grooves of finger-prints. | |
CORRECT ANSWER
(A) The Satellite DNA showing high degree of repetition in DNA segments.
| 26. | Identify the most infectious and fatal type of malarial parasite : | |
| (A) | Plasmodium falciparum | |
| (B) | Plasmodium vivax | |
| (C) | Plasmodium ovale | |
| (D) | Plasmodium malariae | |
CORRECT ANSWER
(A) Plasmodium falciparum
| 27. | The type of antibodies produced during the allergic reaction | |
| (A) | Ig G | |
| (B) | Ig A | |
| (C) | IgM | |
| (D) | Ig E | |
CORRECT ANSWER
(D) Ig E
| 28. | One of the side-effect of the use of anabolic steroids in females | |
| (A) | Cirrhosis of liver | |
| (B) | Loss of memory | |
| (C) | Masculinisation | |
| (D) | Hallucination | |
CORRECT ANSWER
(C) Masculinisation
| 29. | Which one of the following is a opiate narcotics ? | |
| (A) | Amphatamines | |
| (B) | Barbiturates | |
| (C) | LSD | |
| (D) | Morphine | |
CORRECT ANSWER
(D) Morphine
| 30. | The large holes in ‘Swiss - Cheese’ are made by a | |
| (A) | Bacterium producing a large amount of `CO_2` | |
| (B) | Machine | |
| (C) | Fungus that releases a lot of gases during metabolic activities | |
| (D) | Bacterium that produces methane gas | |
CORRECT ANSWER
(A) Bacterium producing a large amount of `CO_2`
| 31. | Which vitamin is increased by ‘LAB’ in curd ? | |
| (A) | Vitamin `B_(12)` | |
| (B) | Vitamin C | |
| (C) | Vitamin E | |
| (D) | Vitamin B | |
CORRECT ANSWER
(A) Vitamin `B_(12)`
| 32. | Enzyme which is useful to remove the oily stains in laundry ? | |
| (A) | Amylase | |
| (B) | Renin | |
| (C) | Lipase | |
| (D) | Protease | |
CORRECT ANSWER
(C) Lipase
| 33. | DNA replicates semiconservatively was first shown in | |
| (A) | Plants | |
| (B) | Esherichia coli | |
| (C) | Higher animals | |
| (D) | Human cell | |
CORRECT ANSWER
(B) Esherichia coli
| 34. | What does the sample of given base sequence represent ? | |
| 5’ - GAATTC - 3’ | ||
| 3’ - CTTAAG - 5’ | ||
| (A) | Completion of replication | |
| (B) | Initiator codon at 5’ end | |
| (C) | Palindromic sequence | |
| (D) | Deletion mutation | |
CORRECT ANSWER
(C) Palindromic sequence
| 35. | Gel electrophoresis is used for | |
| (A) | Separation of DNA fragments according to their size. | |
| (B) | Construction of recombinant DNA by joining with cloning vectors. | |
| (C) | Cutting of DNA into fragments. | |
| (D) | Isolation of DNA molecule. | |
CORRECT ANSWER
(C) Cutting of DNA into fragments.
| 36. | An antibiotic resistance gene in a vector usually helps in the selection of | |
| (A) | Non-recombinant cells | |
| (B) | Competent cells | |
| (C) | Non-competent cells | |
| (D) | Transformed cells | |
CORRECT ANSWER
(D) Transformed cells
| 37. | Silencing of specific mRNA in RNAi is by | |
| (A) | ssDNA | |
| (B) | SSRNA | |
| (C) | dsDNA | |
| (D) | dsRNA | |
CORRECT ANSWER
(D) dsRNA
| 38. | Cry-IAC effectively controls, | |
| (A) | Root nematode | |
| (B) | Cotton bollworms | |
| (C) | Ring worm | |
| (D) | Corn borer | |
CORRECT ANSWER
(B) Cotton bollworms
| 39. | ADA deficiency can be cured by | |
| (A) | Kidney Transplantation | |
| (B) | Bone-marrow Transplantation | |
| (C) | Heart Transplantation | |
| (D) | Liver Transplantation | |
CORRECT ANSWER
(B) Bone-marrow Transplantation
| 40. | Average natality rate in our village is 25, average mortality is 24, immigration 2 and emigration 3 and the net increase in population is : | |
| (A) | 10 | |
| (B) | 0 | |
| (C) | 27 | |
| (D) | 5 | |
CORRECT ANSWER
(B) 0
| 41. | The term “Molecular Scissors” refers to | |
| (A) | Restriction enzyme | |
| (B) | Polymerase-I | |
| (C) | Taq polymerase | |
| (D) | Polymerase-II | |
CORRECT ANSWER
(A) Restriction enzyme
| 42. | The animals which are active during day time : | |
| (A) | Vesporal | |
| (B) | Diurnal | |
| (C) | Cresporal | |
| (D) | Auroral | |
CORRECT ANSWER
(B) Diurnal
| 43. | Which of the following statement is incorrect related to biomes ? | |
| (A) | High temperature and minimum rainfall help to form grasslands. | |
| (B) | Variation in temperature and mean precipitation accounts for the major biomes. | |
| (C) | Low temperature and less rainfall is a characteristics of Tundra biomes. | |
| (D) | More rainfall and low temperature is the characteristics of deserts. | |
CORRECT ANSWER
(D) More rainfall and low temperature is the characteristics of deserts.
| 44. | The amount of Photosynthetically active radiation captured by plants is | |
| (A) | 60 – 70 percent | |
| (B) | 20 – 30 percent | |
| (C) | 12 – 20 percent | |
| (D) | 2 - 10 percent | |
CORRECT ANSWER
(D) 2 - 10 percent
| 45. | The given graph represents | |
 | ||
| (A) | Population growth | |
| (B) | Enzyme activity | |
| (C) | Species area relationship | |
| (D) | Growth of organisms | |
CORRECT ANSWER
(C) Species area relationship
| 46. | Cuscuta is an example of | |
| (A) | Ectoparasitism | |
| (C) | Predation | |
| (B) | Broad Parasitism | |
| (D) | Endoparasitism | |
CORRECT ANSWER
(A) Ectoparasitism
| 47. | Particulates of _____ size pose greatest risk to human health. | |
| (A) | Less than 3.5 micrometers in diameter | |
| (B) | Less than 2.5 micrometers in diameter | |
| (C) | Less than 7.5 micrometers in diameter | |
| (D) | Less than 4.5 micrometers in diameter | |
CORRECT ANSWER
(B) Less than 2.5 micrometers in diameter
| 48.. | Maintenance of constant internal environment is called as | |
| (A) | Thermoregulation | |
| (B) | Metastasis | |
| (C) | Osmoregulation | |
| (D) | Homeostasis | |
CORRECT ANSWER
(D) Homeostasis
| 49. | Bovine spongiform encephalopathy is caused by | |
| (A) | Virus | |
| (B) | Viroids | |
| (C) | Fungi | |
| (D) | Prions | |
CORRECT ANSWER
(D) Prions
| 50. | Phycoerythrin and Floridean starch is found in | |
| (A) | Brown algae | |
| (B) | Blue - green algae | |
| (C) | Red algae | |
| (D) | Green algae | |
CORRECT ANSWER
(C) Red algae
| 51. | Different types of respiratory organs like gills, book gills, book lungs and trachea are present in | |
| (A) | Arthropods | |
| (B) | Sponges. | |
| (C) | Annelids | |
| (D) | Molluscs | |
CORRECT ANSWER
(A) Arthropods
| 52. | Which of the following plant is used to extract Colchicine ? | |
| (A) | Asparagus | |
| (B) | Colchicum | |
| (C) | Tulip | |
| (D) | Aloe | |
CORRECT ANSWER
(B) Colchicum
| 53. | Rows of S-shaped setae in the body of earthworm are present in all the segments, except | |
| (A) | the first, last and clitellum | |
| (B) | the last segment | |
| (C) | the first segment | |
| (D) | the first and last segment | |
CORRECT ANSWER
(A) the first, last and clitellum
| 54. | Cell theory was formulated by | |
| (A) | Schleiden and Robert Brown | |
| (B) | Schleiden and Schwann | |
| (C) | Schwann and Robert Brown | |
| (D) | Robert Hook and Robert Brown | |
CORRECT ANSWER
(B) Schleiden and Schwann
| 55. | The type of Polysaccharide present in a cotton fibre | |
| (A) | Cellulose | |
| (B) | Starch | |
| (C) | Glycogen | |
| (D) | Insulin | |
CORRECT ANSWER
(A) Cellulose
| 56. | Enzyme involved in crossing over | |
| (A) | Endonuclease | |
| (B) | Recombinase | |
| (C) | Lygase | |
| (D) | Polymerase | |
CORRECT ANSWER
(B) Recombinase
| 57. | Kranz anatomy can be seen in | |
| (A) | Pea | |
| (B) | Tomato | |
| (C) | Maize | |
| (D) | Potato | |
CORRECT ANSWER
(C) Maize
| 58. | Respiratory quotient of glucose is | |
| (A) | 0.9 | |
| (B) | 0 | |
| (C) | 1.0 | |
| (D) | 0.7 | |
CORRECT ANSWER
(C) 1.0
| 59. | A person suddenly starts coughing while swallowing food. This coughing would have been due to improper movement of | |
| (A) | Neck | |
| (B) | Epiglottis | |
| (C) | Tongue | |
| (D) | Diaphragm | |
CORRECT ANSWER
(B) Epiglottis
| 60. | Binomial nomenclature is introduced by | |
| (A) | Bentham and Hooker | |
| (B) | Carolus Linnaeus | |
| (C) | John Ray | |
| (D) | Lamarck | |
CORRECT ANSWER
(B) Carolus Linnaeus
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