This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Wolves and household dogs are members of the same family; however, their sizes are vastly different. What is the cause of this difference? A) Biochemical makeup. B) Genetics. C) Behavioral makeup. D) Habitual size. Show Answer Correct Answer: B) Genetics. 2. ..... enzyme is used in the elongation/ extension of DNA fragment in PCR reaction A) DNA/ Tag Polymerase. B) Revers transcriptase. C) E. Co RI. D) All. Show Answer Correct Answer: B) Revers transcriptase. 3. Multiple Choice Questions (1-25)-Who is known as the father of genetic engineering? A) Herbert Boyer. B) Kary Mullis. C) Stanley Cohen. D) Watson and Crick. Show Answer Correct Answer: A) Herbert Boyer. 4. Which statement correctly describes a way that bacteria are used in biotechnology? A) Bacteria make human cells that make insulin. B) Human insulin made by bacteria is injected into humans. C) Bacteria that make insulin are implanted in humans. D) Human insulin coding bacterial genes are spliced into human cells. Show Answer Correct Answer: B) Human insulin made by bacteria is injected into humans. 5. What enzyme joins the ends of two strands of nucleic acid? A) Polymerase. B) Synthetase. C) Ligase. D) Helicase. Show Answer Correct Answer: C) Ligase. 6. Mutagen A) A toxic chemical that causes damage to an organism's DNA. B) A random change to a gene that results in a new trait. C) Organism whose genome has been altered to contain one or more genes from another organism or species. D) None of the above. Show Answer Correct Answer: A) A toxic chemical that causes damage to an organism's DNA. 7. Proteins A) DNA manipulation of cells or organisms-Genes are added, deleted or change. B) Essential molecules within cells. (Usually a desired product made by cells) Amino acids are the building blocks of proteins. C) Unique DNA molecules that provide blueprints for cells to make proteins or carry out other life functions. D) None of the above. Show Answer Correct Answer: B) Essential molecules within cells. (Usually a desired product made by cells) Amino acids are the building blocks of proteins. 8. In capillary electrophoresis, DNA fragments move from which electrode to which electrode? A) Negative to positive. B) Positive to negative. C) Neutral to positive. D) Neutral to negative. Show Answer Correct Answer: A) Negative to positive. 9. Which of the following is an advantage of genetic engineering? A) Introduces genetically altered bacteria to the environment. B) Nutritional value of food is increased. C) Kills species that were not intended to be affected. D) Little research on long term effects on health. Show Answer Correct Answer: B) Nutritional value of food is increased. 10. The plasmid Ti is found in ..... A) Agrobacterium tumefaciens. B) Escherichia coli. C) Bacillus thuringiensis. D) Rhizobium. Show Answer Correct Answer: A) Agrobacterium tumefaciens. 11. What is ring worm caused by? A) Virus. B) Bacteria. C) Fungi. D) Parasite. Show Answer Correct Answer: C) Fungi. 12. Protein products of Bt genes cry IAc and cry IIAb control . A) Roundworm. B) Moth. C) Bollworms. D) Fruitfly. Show Answer Correct Answer: C) Bollworms. 13. The tryptophan operon is A) Permanently turned on. B) Turned on when tryptophan is present in the growth medium. C) Turned off only when glucose is present in the growth medium. D) Turned off when tryptophan is added to the growth medium. Show Answer Correct Answer: D) Turned off when tryptophan is added to the growth medium. 14. Living or once-living A) Organic. B) Cloning. C) Gene. D) Stem cell. Show Answer Correct Answer: A) Organic. 15. Restriction endonucleases cut A) Single stranded DNA. B) Single stranded RNA. C) Double stranded DNA. D) Double stranded RNA. Show Answer Correct Answer: C) Double stranded DNA. 16. Viruses reproduce inside cells until the cells burst. True or false? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Which career field is most closely related to biotechnology? A) Medicine. B) Journalism. C) Meterology. D) Political science. Show Answer Correct Answer: A) Medicine. 18. What is the purpose of gene therapy? A) To treat or prevent diseases by inserting, altering, or removing genes within an individual's cells. B) To enhance physical performance in athletes. C) To create genetically modified organisms for agriculture. D) To replace all damaged cells in the body with new ones. Show Answer Correct Answer: A) To treat or prevent diseases by inserting, altering, or removing genes within an individual's cells. 19. What do we call the science of using the genetic makeup living things to create products? A) Biotechnology. B) Genealogy. C) Pharmacology. D) Neurology. Show Answer Correct Answer: A) Biotechnology. 20. A polymer used as a gel material in vertical electrophoresis used to separate smaller molecules, like proteins and very small pieces of DNA or RNA A) Polymer. B) T.A.E. C) Polyacrylamide. D) Site-specific mutagenesis. Show Answer Correct Answer: C) Polyacrylamide. 21. How can biotechnology affect agriculture on a single plot of land? A) The land could produce more food than before. B) The land could produce several harvests at once. C) The land could require more fertilizer for crops to grow. D) The land could require moderate temperatures for crops to grow. Show Answer Correct Answer: A) The land could produce more food than before. 22. The technique PCR was discovered by the scientist ..... in 1985 A) Georges & Cesar. B) Alac Jeffry. C) E. M. Southern. D) Kary Mullis. Show Answer Correct Answer: D) Kary Mullis. 23. Which pathogen is non-living? A) Virus. B) Bacteria. C) Fungi. D) Parasite/Protist. E) They are all alive. Show Answer Correct Answer: A) Virus. 24. Which career in biotechnology requires a minimum of a bachelor s degree? A) Biological technician. B) Technical writer. C) Laboratory assistant. D) Industry secretary. Show Answer Correct Answer: A) Biological technician. 25. Which of the following chemicals is used in vectorless gene transfer? A) Polyethylene glycol. B) Ethidium bromide. C) Ethidium sulphide. D) Sodium bromide. Show Answer Correct Answer: A) Polyethylene glycol. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 1Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 2Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 3Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 4Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 5Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 6Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 7Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 8Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 9Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books