This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these is NOT a use for DNA Fingerprinting? A) Identifying the person whose DNA was left at a crime scene. B) Determining the father of a child. C) Finding the likelihood of inheriting a genetic disorder. D) Figuring out which species are more closely related. Show Answer Correct Answer: C) Finding the likelihood of inheriting a genetic disorder. 2. Who among the following was awarded the Nobel Prize for the development of PCR technique? A) Herbert Boyer. B) Hargovind Khorana. C) Kary Mullis. D) Arthur Kornberg. Show Answer Correct Answer: C) Kary Mullis. 3. Multiple Choice Questions (1-25)-Which of the following is not a step in recombinant DNA technology? A) Isolation of DNA. B) Ligation. C) Transformation. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 4. An enzyme catalyzing the removal of nucleotides from the ends of DNA is A) Exonuclease. B) Endonuclease. C) Hind II. D) DNA ligase. Show Answer Correct Answer: A) Exonuclease. 5. During the annealing step of PCR, what attaches to the target sequence? A) DNA polymerase. B) RNA primers. C) Short DNA primers. D) Nucleotides. Show Answer Correct Answer: C) Short DNA primers. 6. In plant biotechnology, what is the role of Agrobacterium tumefaciens? A) It acts as a vector for gene transfer. B) It causes plant diseases. C) It enhances plant growth. D) It is used for plant breeding. Show Answer Correct Answer: A) It acts as a vector for gene transfer. 7. A process that disrupts or turns off a gene is called ..... A) Genetically modified organism. B) Gene therapy. C) Recombinant DNA. D) Gene knockout. Show Answer Correct Answer: D) Gene knockout. 8. Insulin was first produced by recombinant DNA technology using: A) E. coli. B) Yeast. C) Bacteria and fungi. D) Virus. Show Answer Correct Answer: A) E. coli. 9. Removing pollution from soil and water using living organisms. A) Biotechnology. B) Bioremediation. C) Agriculture. D) Economy. Show Answer Correct Answer: B) Bioremediation. 10. DNA produced by combining DNA from two different organisms is known as A) A mutant. B) A hybrid. C) A polyploidy. D) Recombinant DNA. Show Answer Correct Answer: D) Recombinant DNA. 11. Multiple Choice Questions (1-25)-Blunt ends are produced by: A) EcoRI. B) HindIII. C) SmaI. D) BamHI. Show Answer Correct Answer: C) SmaI. 12. Which contagion is correctly matched to the disease it causes? A) Polio-virus. B) Rabies-fungus. C) Influenza-parasite. D) Chicken pox-bacteria. Show Answer Correct Answer: A) Polio-virus. 13. What is the primary purpose of using restriction enzymes in biotechnology? A) To amplify DNA sequences. B) To cut DNA at specific sequences. C) To synthesize proteins. D) To sequence DNA. Show Answer Correct Answer: B) To cut DNA at specific sequences. 14. Bt maize is a genetically modified crop that can be grown without the use of which of the following? A) Chemical herbicides. B) Soil. C) Chemical fertilisers. D) Chemical pesticides. Show Answer Correct Answer: D) Chemical pesticides. 15. What is genetically engineered into crop plants for better yield? A) Resistance to herbicides. B) Increased water retention. C) Higher sugar content. D) Faster growth rate. Show Answer Correct Answer: A) Resistance to herbicides. 16. Which of the following can be pathogens? A) Bacteria only. B) Viruses only. C) Bacteria and viruses. D) Neither bacteria or viruses. Show Answer Correct Answer: C) Bacteria and viruses. 17. How can biotechnology help farmers overcome sudden changes in the global climate? A) By changing the types of soil in which crops are planted. B) By developing crops that are resistant to adverse weather. C) By rotating crops within the same field. D) By only planting crops in the winter. Show Answer Correct Answer: B) By developing crops that are resistant to adverse weather. 18. What prevents scientists from cloning humans despite the fact that other mammals such as sheep have been cloned? A) Cloning humans would take too much time to reproduce. B) There are many ethical problems involved in cloning humans. C) The technology to clone humans has not been explored. D) Human reproduction is very different from that of other mammals. Show Answer Correct Answer: B) There are many ethical problems involved in cloning humans. 19. RNA interference (RNAi) involves: A) MRNA degradation. B) Protein folding. C) DNA replication. D) Transcription activation. Show Answer Correct Answer: A) MRNA degradation. 20. Which of the following terms describes the process of the uptake of recombinant plasmids into bacteria cells? A) RDNA technology. B) Transferrence. C) Transformation. D) RDNA plasmid. Show Answer Correct Answer: C) Transformation. 21. How is selective breeding different from genetic engineering? A) In selective breeding, scientists inserts a gene from another organism. B) In selective breeding, man clones an organism. C) In selective breeding, man chooses which animals or plants will mate with each other. D) None of the above. Show Answer Correct Answer: C) In selective breeding, man chooses which animals or plants will mate with each other. 22. "transgenic" refers to an animal that: A) Has DNA from another organism spliced into its genome. B) Has undergone DNA modification. C) Has unique genes for its species. D) None of the above. Show Answer Correct Answer: A) Has DNA from another organism spliced into its genome. 23. What research initiated by North Carolina in the field of biotechnology has helped the state economically? A) Developing flu vaccines from tobacco plant leaves. B) Producing biofuel using plants like corn and soybeans. C) Creating replacement organs and tissues using stem cells. D) Developing antibodies that will help cure bacterial infections. Show Answer Correct Answer: B) Producing biofuel using plants like corn and soybeans. 24. This scientist has to make sure the new drugs that are put on the market are safe for patients. A) Product safety scientist. B) Product safety technician. C) Clinical trial monitor. D) Quality control officer. Show Answer Correct Answer: A) Product safety scientist. 25. Organism that is genetically engineered by inserting a gene from another organism A) Genetically modified organism. B) Transgenic organism. C) Recombinant DNA. D) Human genome project. Show Answer Correct Answer: B) Transgenic organism. ← 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 10Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books