This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the process called when the stems of both the tomato and potato plants are joined together? A) Hybridization. B) Cloning. C) Grafting. D) Fusion. Show Answer Correct Answer: C) Grafting. 2. Residents of North Carolina presently burn 5 billion gallons of imported petroleum-based liquid fuel per year. How would the state's economy be affected if North Carolina could produce bio-fuels locally as a replacement? A) Tax revenues would decrease. B) Unemployment would increase. C) The economy would decline due to exports. D) The economy would improve with new jobs and tax revenue. Show Answer Correct Answer: D) The economy would improve with new jobs and tax revenue. 3. Genetically modified crops can reduce the use of: A) Fertilizers. B) Insecticides. C) Pesticides. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 4. Which of these entails inserting the gene of one organism into the genome of another organism? A) DNA Extraction. B) GMO. C) CRISPR. D) DNA Fingerprint. Show Answer Correct Answer: B) GMO. 5. A method of breeding that allows only those individual organisms with desired characteristics to produce the next generation(example, Super Cow) A) Hybridization. B) Inbreeding. C) Selective breeding. D) Selective cutting. Show Answer Correct Answer: C) Selective breeding. 6. How does biotechnology contribute to environmental conservation? A) By increasing the use of chemical fertilizers. B) By developing biodegradable plastics. C) By promoting deforestation. D) By increasing fossil fuel consumption. Show Answer Correct Answer: B) By developing biodegradable plastics. 7. Which of the following describes why primers must be added to the thermocycler during a PCR? A) Polymerase requires an open 3' end. B) Polymerase requires RNA for signaling. C) Polymerase requires an RNA template. D) Polymerase requires an open 5' end. Show Answer Correct Answer: A) Polymerase requires an open 3' end. 8. The term for when all of the genes needed to synthesize a particular protein are located in the same location on a chromosome. A) Operon. B) Inducer. C) Vector. D) Repressor. Show Answer Correct Answer: A) Operon. 9. Transgenic animals are those that: A) Have foreign DNA inserted into their genome. B) Are cloned. C) Have been irradiated. D) Have undergone mutation. Show Answer Correct Answer: A) Have foreign DNA inserted into their genome. 10. Example of single cell protein A) Chara. B) Volvox. C) Algae. D) Spirulina. Show Answer Correct Answer: D) Spirulina. 11. Biotechnology uses a procedure called genetic engineering. Which best describes genetic engineering. A) Making artificial DNA in the laboratory from chemicals. B) Cutting out pieces of DNA from an organism under a microscope. C) Adding DNA from one organism into the DNA of another organism. D) None of the above. Show Answer Correct Answer: C) Adding DNA from one organism into the DNA of another organism. 12. What does a Blood Bank Technology Specialist do? A) Determine how emergencies are responded to. B) Analyze evidence in criminal investigations. C) Perform tests on blood samples. D) Learn about toxins at the molecular level. Show Answer Correct Answer: C) Perform tests on blood samples. 13. Enzymes which remove nucleotides from the ends of the D.N.A. are A) Endonucleases. B) Exonucleases. C) DNA Ligase. D) DNA polymerase. Show Answer Correct Answer: B) Exonucleases. 14. Which best represents a direct benefit from biotechnology to agriculture during an extended drought period? A) Planting crops only in shaded areas. B) Genetically modifying crops to be stress-tolerant. C) Harvesting crops that have thick stems and leaves. D) Watering crops with a recycled-water irrigation system. Show Answer Correct Answer: B) Genetically modifying crops to be stress-tolerant. 15. Scientists have been able to cause some bacteria to produce insulin. In which area of science would these scientists most likely work? A) A biotechnology. B) B nuclear engineering. C) C marine biology. D) D chemistry. Show Answer Correct Answer: A) A biotechnology. 16. What does a gel electrophoresis due for those that are studying DNA? A) Separating DNA into fragments. B) Making copies of DNA. C) Removing DNA from a cells nucleus. D) None of the above. Show Answer Correct Answer: A) Separating DNA into fragments. 17. If a pea plant were homozygous recessive for height, how would its alleles be represented A) Tt. B) TT. C) Tt. D) TT. Show Answer Correct Answer: A) Tt. 18. Related to microbes A) Microbial. B) Bioremediation. C) Biotechnology. D) Cloning. Show Answer Correct Answer: A) Microbial. 19. The principles of right and wrong A) Ethics. B) Agriculture. C) Genome. D) DNA. Show Answer Correct Answer: A) Ethics. 20. What is the primary purpose of using gel electrophoresis in biotechnology? A) To amplify DNA. B) To cut DNA at specific sites. C) To separate DNA fragments by size. D) To sequence DNA. Show Answer Correct Answer: C) To separate DNA fragments by size. 21. Which best describes a genetic mutation to a sequence of DNA that changes the way the sequence is read? A) Silent. B) Substitution. C) Frameshift. D) Nonsense. Show Answer Correct Answer: C) Frameshift. 22. The code that defines the characteristics of a particular organism (DNA). A) Genetic material. B) Genetic Modification. C) Genetics. D) None of the above. Show Answer Correct Answer: A) Genetic material. 23. In PCR denaturation of DNA is take place in ..... $^{0}$C temperature A) 72 $^{0}$C. B) 94$^{0}$C. C) 40 to 55$^{0}$C. D) 120$^{0}$C. Show Answer Correct Answer: B) 94$^{0}$C. 24. What is the significance of beta-carotene in human nutrition? A) It is a source of protein. B) It helps in the absorption of calcium. C) It provides essential fatty acids. D) It is converted into vitamin A. Show Answer Correct Answer: D) It is converted into vitamin A. 25. Multiple Choice Questions (1-25)-The thermostable enzyme used in PCR is: A) Taq polymerase. B) Ligase. C) DNAase. D) RNAase. Show Answer Correct Answer: A) Taq polymerase. ← 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