This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which best describes the size of a virus compared to the size of bacteria? A) Bacteria are small, while viruses are larger. B) Bacteria are large, while viruses are larger. C) Bacteria are small, while viruses are smaller. D) None of the above. Show Answer Correct Answer: C) Bacteria are small, while viruses are smaller. 2. The replication of a plant or animal A) Cloning. B) GMO. C) RNA. D) DNA. Show Answer Correct Answer: A) Cloning. 3. Which of the following uses genes to treat or prevent illness? A) Cloning. B) Human Genome Project. C) Gene Therapy. D) Stem Cells. Show Answer Correct Answer: C) Gene Therapy. 4. Which of the following is a real-world application of plant biotechnology? A) Producing plants that can walk. B) Creating glow-in-the-dark plants. C) Making plants sing. D) Developing disease-resistant crops. Show Answer Correct Answer: D) Developing disease-resistant crops. 5. Electric charge of DNA A) Negative. B) Depends on PH. C) Neutral. D) Positive. Show Answer Correct Answer: A) Negative. 6. The Human Genome Project is an attempt to A) Make a DNA fingerprint of every person's DNA. B) Identify, sequence and catalog all human DNA. C) Create human-like creatures. D) Identify alleles in human DNA that are recessive. Show Answer Correct Answer: B) Identify, sequence and catalog all human DNA. 7. Which of the following is when an organism's DNA is modified for medicine, research, production, or industry? A) Cloning. B) Artificial Selection. C) Genetic Engineering. D) None of the above. Show Answer Correct Answer: C) Genetic Engineering. 8. Which of these would be a concern about the use of biotechnology? A) Increased opportunities for jobs. B) Increased crop yield. C) Making of new vaccines. D) Creation of new pathogens. Show Answer Correct Answer: D) Creation of new pathogens. 9. Which statement most accurately describes the effect that locally-produced biofuels will have on N.C.'s economy? A) Hey will cause the cost of all N.C. fuels to increase. B) They will eliminate jobs in energy production in N.C. C) They will increase our dependence on fuels produced in other states or countries, decreasing N.C.'s economy. D) They will reduce our dependence on fuels produced in other states or countries, boosting N.C.'s economy. Show Answer Correct Answer: D) They will reduce our dependence on fuels produced in other states or countries, boosting N.C.'s economy. 10. Which of these is biotechnology most likely not going to be used in? A) Genetics. B) Mining. C) Medicine. D) Agriculture. Show Answer Correct Answer: B) Mining. 11. The structure involved in genetic engineering is: A) Codon. B) Plastid. C) Anticodon. D) Plasmid. Show Answer Correct Answer: D) Plasmid. 12. There is an increasing demand of food all over the world. What do agriculturists do to address this concern? A) Use genetically modified (transgenic) plants. B) Spray organic herbicides. C) Do crop rotation. D) Plant different crops each season. Show Answer Correct Answer: A) Use genetically modified (transgenic) plants. 13. What is a primary benefit/use of polymerase chain reactions? A) To produce millions to billions of copies of a specific DNA sequence. B) To produce millions to billions of copies of a specific RNA sequence. C) To add nucleotides to a DNA sequence. D) To sabotage the DNA fingerprinting process so that it is unreliable. Show Answer Correct Answer: A) To produce millions to billions of copies of a specific DNA sequence. 14. Which of the following is unspecialized cells that have the potential to become any other cell in the body? A) Human Genome Project. B) Gene Therapy. C) Cloning. D) Stem Cells. Show Answer Correct Answer: D) Stem Cells. 15. DNA containing genes from two or more organisms is called ..... A) A polyploid. B) A plasmid. C) Recombinant DNA. D) A hybrid organism. Show Answer Correct Answer: C) Recombinant DNA. 16. The process of DNA replication is called semi conservative because it results in A) None of these. B) Two DNA molecules. One original molecule and one with two new strands. C) Two exact copies with new strands. D) Two identical molecules, each with 1 original strand and one new. Show Answer Correct Answer: D) Two identical molecules, each with 1 original strand and one new. 17. What is the function of a ligase in rDNA technology? A) It replicates the DNA at specific points. B) It inspects the length of DNA and finds the recognition sequence. C) It joins the DNA at specific points. D) It cuts the DNA at specific points. Show Answer Correct Answer: C) It joins the DNA at specific points. 18. The function of the rop gene A) Provide resistance to pests. B) Provide antibiotic resistance. C) Replication of plasmid. D) Act as primers. Show Answer Correct Answer: C) Replication of plasmid. 19. Which technique is used to separate DNA fragments based on their size? A) DNA Sequencing. B) Polymerase Chain Reaction (PCR). C) Gel Electrophoresis. D) Gene Cloning. Show Answer Correct Answer: C) Gel Electrophoresis. 20. DNA ligase are enzymes that can be used to A) Chop a large DNA molecule into small fragments. B) Copy DNA Fragments. C) Insert the DNA from one species into the DNA OF another species. D) Separate DNA fragments based on their size. Show Answer Correct Answer: C) Insert the DNA from one species into the DNA OF another species. 21. Which branch of biotechnology deals with the modification of the genetic material of an organism? A) Environmental engineering. B) Biomedical engineering. C) Chemical engineering. D) Genetic engineering. Show Answer Correct Answer: D) Genetic engineering. 22. Which of the following is when an organism is bred for desired traits? A) Cloning. B) Artificial Selection. C) Genetic Engineering. D) None of the above. Show Answer Correct Answer: B) Artificial Selection. 23. What is the primary focus of Food Biotechnology? A) Improving food taste. B) Reducing food prices. C) Increasing food waste. D) Enhancing food production and quality. Show Answer Correct Answer: D) Enhancing food production and quality. 24. Multiple Choice Questions (1-25)-The source of Taq polymerase is: A) E. coli. B) Agrobacterium. C) Thermus aquaticus. D) Streptococcus. Show Answer Correct Answer: C) Thermus aquaticus. 25. Single stranded overhanging stretches of DNA are called A) Ligases. B) Sticky ends. C) Palindromes. D) Plasmids. Show Answer Correct Answer: B) Sticky ends. 26. How does biotechnology most likely affect North Carolina's population? A) Jobs are created and attract more people to the area. B) Research advancement causes people in need of medicines to move to the area. C) People are not concerned with biotechnology so the overall population is not impacted. D) People are not concerned with biotechnology so the overall population is not impacted. Show Answer Correct Answer: A) Jobs are created and attract more people to the area. 27. Which of the following is not an example of traditional biotechnology? A) Fermentation. B) Cloning. C) Domesticating organisms. D) Selective breeding. Show Answer Correct Answer: B) Cloning. 28. If your new job was to repair and maintain all equipment in a hospital you would be working as a ..... A) Processing Technician. B) Scientist. C) Biomedical technician. D) Quality control officer. Show Answer Correct Answer: C) Biomedical technician. 29. The DNA fragments have sticky ends due to A) Endonuclease. B) Calcium ions. C) Free methylation. D) Unpaired bases. Show Answer Correct Answer: D) Unpaired bases. 30. An organism produced by copying genes from a species with a desirable trait and inserting them into another species (GMO) A) Gene therapy. B) Genetic modification. C) Transgenic organism. D) Genetically modified organism. Show Answer Correct Answer: D) Genetically modified organism. 31. What is a benefit of biotechnology in agriculture? A) Improving solar energy collection. B) Creating GPS guided farm equipment. C) Creating crops/foods that are disease and pest resistant. D) Repairing soil quality with new equipment. Show Answer Correct Answer: C) Creating crops/foods that are disease and pest resistant. 32. Wes graduated with a degree in biotechnology. For which job is he best qualified? A) Automobile mechanic. B) Financial manager. C) Laboratory researcher. D) Mathematics teacher. Show Answer Correct Answer: C) Laboratory researcher. 33. Which of the following best describes the process of polymerase chain reaction (PCR) in biotechnology? A) Amplifying specific DNA sequences. B) Sequencing entire genomes. C) Transforming cells with new genetic material. D) Transcribing RNA into DNA. Show Answer Correct Answer: A) Amplifying specific DNA sequences. 34. Studying biotechnology is most likely to be useful for which career? A) Archaeologist. B) Agricultural researcher. C) Computer scienctist. D) Nuclear physicist. Show Answer Correct Answer: B) Agricultural researcher. 35. Cry proteins are toxic to: A) Only certain insects. B) All insects. C) Humans. D) Animals. Show Answer Correct Answer: A) Only certain insects. 36. A protein that binds to the operator and blocks the RNA polymerase A) Activator. B) Corepressor. C) Inducer. D) Repressor. Show Answer Correct Answer: D) Repressor. 37. Dalam bioteknologi telah dikembangkan suatu teknik reproduksi hewan dengan cara menggabungkan inti sel somatis dengan sel telur yang telah dihilangkan intinya, yaitu A) Kloning. B) Rekayasa genetika. C) Hibridoma. D) Kultur jaringan. Show Answer Correct Answer: A) Kloning. 38. What is a product of biotechnology? A) Transgenic crop (GM crop). B) Humulin. C) Biofertilizer. D) All of these. Show Answer Correct Answer: D) All of these. 39. What type of job would a person who studied biotechnology in college be likely to have? A) A job making medicines. B) A job studying stars. C) A job studying the physical features on Earth. D) None of the above. Show Answer Correct Answer: A) A job making medicines. 40. Which term, refers to inserting a gene from an unrelated organism into the DNA sequence of a new organism? A) Transgenics. B) Selective breeding. C) DNA sequencing. D) None of the above. Show Answer Correct Answer: A) Transgenics. 41. Which is most likely to be a risk of biotechnology? A) Producing livestock with desired characteristics. B) Causing allergic reactions to foreign genes in food. C) Creating new varieties of disease-resistant plants. D) Manufacturing human insulin and other medicines. Show Answer Correct Answer: B) Causing allergic reactions to foreign genes in food. 42. Scientists have produced a genetically modified orange tree that is resistant to disease. Which of the following is the best example of a potential benefit to society that could result from this biotechnology? A) Increase in orange crops produced. B) Reduction in orange crops produced. C) Increase in the cost of orange crop. D) A change in the distribution of insects that pollinate orange flowers. Show Answer Correct Answer: A) Increase in orange crops produced. 43. Breeding organisms for certain characteristics is called A) Inbreeding. B) Pure breed. C) DNA copy. D) Selective breeding. Show Answer Correct Answer: D) Selective breeding. 44. Which is an example of a simplest vector (in terms of size)? A) Bacteriophage. B) Plasmid. C) YAC. D) 2 micron circle. Show Answer Correct Answer: B) Plasmid. 45. Which of the following is not used in polymerase chain reaction? A) Primers. B) Taq polymerase. C) DNTPs. D) Ca$^{2+}$. Show Answer Correct Answer: D) Ca$^{2+}$. 46. What is the main purpose of the polymerase chain reaction (PCR)? A) To mutate DNA. B) To amplify DNA. C) To sequence DNA. D) To degrade DNA. Show Answer Correct Answer: B) To amplify DNA. 47. Which of the Following statements about restriction enzymes is false? A) They work on DNA extracted from all types of organism. B) They are used to glue together short segments of DNA. C) They come in many varieties each with its own DNA target sequence. D) They are highly specific for their DNA target sequences. Show Answer Correct Answer: B) They are used to glue together short segments of DNA. 48. What is the role of molecular markers in plant biotechnology? A) To identify specific genetic traits. B) To make plants smell better. C) To water the plants. D) To color the plants. Show Answer Correct Answer: A) To identify specific genetic traits. 49. A scientist is working on genetically modifying wheat to be more drought resistant. Where would the scientist most likely work? A) A biotechnology lab. B) A grocery store. C) A drug manufacturing facility. D) A food processing plant. Show Answer Correct Answer: A) A biotechnology lab. 50. A rice strain that has been genetically modified to make Vitamin-A A) Yellow Rice. B) Vitamin Rice. C) Brown Rice. D) Golden Rice. Show Answer Correct Answer: D) Golden Rice. 51. A company that creates hair dye would most likely employ a biotechnician for which job? A) Developing a product that will be safe for consumers. B) Developing new colors. C) Creating cost-effective packaging. D) Researching trends. Show Answer Correct Answer: A) Developing a product that will be safe for consumers. 52. Which of the following is an example of biotechnology? A) Using a computer program to model the shape of a virus. B) Using yeast to ferment food. C) Studying the rate of growth of algae. D) Adding fertilizer to crops. Show Answer Correct Answer: B) Using yeast to ferment food. 53. What is the primary function of a DNA microarray in biotechnology? A) To edit genes. B) To clone genes. C) To sequence the entire genome. D) To measure the expression levels of large numbers of genes simultaneously. Show Answer Correct Answer: D) To measure the expression levels of large numbers of genes simultaneously. 54. A form of technology that uses living things. A) Genes. B) Genome. C) Biotechnology. D) Agriculture. Show Answer Correct Answer: C) Biotechnology. 55. Which has impacted North Carolina's economy the least in the field of bioremediation? A) Cleaning of air pollution. B) Cleaning of soil pollution. C) Cleaning of water pollution. D) None of the above. Show Answer Correct Answer: A) Cleaning of air pollution. 56. It is a process of inserting human insulin into bacterial plasmid during the production of artificial insulin. A) Bacterial transformation. B) Human cloning. C) Gene therapy. D) Stem cell project. Show Answer Correct Answer: A) Bacterial transformation. 57. A genetically engineered DNA made from two different organisms is called A) Recombinant DNA. B) Mutated DNA. C) Translocated DNA. D) Replicated DNA. Show Answer Correct Answer: A) Recombinant DNA. 58. Farmers use insecticides and fertilizers on their fruit and vegetable crops. Which best describes the effect of these chemicals? A) The crops require less water and nutrients to grow. B) The crops are more susceptible to insect damage. C) The crops yield smaller fruits and vegetables. D) The crops yield more fruits and vegetables. Show Answer Correct Answer: D) The crops yield more fruits and vegetables. 59. This produces multiple identical copies of a gene for basic research A) Gene cloning. B) DNA ligase. C) Restriction enzymes. D) Gel electrophoresis. Show Answer Correct Answer: A) Gene cloning. 60. Choose the explant used in meristem culture. A) Leaf. B) Shoot tip. C) Anther. D) Ovary. Show Answer Correct Answer: B) Shoot tip. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books