This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Recombinant DNA is A) Any combination of DNA from 2 or more organisms. B) Used in the mapping of the human genome project. C) The process of separating DNA based on size. D) DNA which contains small fragments of RNA. Show Answer Correct Answer: A) Any combination of DNA from 2 or more organisms. 2. People first made a clone from an adult sheep and named her Dolly in what decade A) 1970's. B) 1980's. C) 2000's. D) 1990's. Show Answer Correct Answer: D) 1990's. 3. Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode? A) DNA is negatively charged so attracted to the positive end of the unit. B) The agarose gel is positively charged. C) DNA is positively charged to attracted to the negative end of the unit. D) The agarose gel in negatively charged. Show Answer Correct Answer: A) DNA is negatively charged so attracted to the positive end of the unit. 4. How is insulin produced for medical use? A) Harvesting it from plants. B) By extracting it from animal pancreases. C) Through chemical synthesis in a lab. D) Using genetically modified bacteria. Show Answer Correct Answer: D) Using genetically modified bacteria. 5. In the context of biotechnology, what does the term 'cloning' refer to? A) Creating a genetically identical copy of an organism. B) Mixing DNA from two different species. C) Altering the genetic code of an organism. D) Producing a hybrid organism. Show Answer Correct Answer: A) Creating a genetically identical copy of an organism. 6. Which of the following is the stain used to visualize DNA fragments in gel electrophoresis? A) Acetocarmine. B) Cotton blue. C) Saffranine. D) Ethidium bromide. Show Answer Correct Answer: D) Ethidium bromide. 7. Which of the following is not an example of a use of biotechnology? A) Identifying the father of a child by comparing DNA. B) Growing a kidney for transplant in a lab. C) Identifying the sex of a child using a sonogram. D) Injecting stem cells into an injury to speed up recovery. Show Answer Correct Answer: C) Identifying the sex of a child using a sonogram. 8. ADA is an enzyme which is deficient in a genetic disorder SCID.what is the full form of ADA? A) Arginine deaminase. B) Adenosine deaminase. C) Adenosine deoxyaminase. D) Aspartate deaminase. Show Answer Correct Answer: B) Adenosine deaminase. 9. How does biotechnology contribute to the field of environmental science? A) By developing renewable energy sources. B) By creating biodegradable plastics. C) By increasing fossil fuel extraction. D) By promoting deforestation. Show Answer Correct Answer: B) By creating biodegradable plastics. 10. How are clones different from similar organisms produced through natural selection? A) They are selectively bred organisms. B) They are biologically similar organism. C) They are not living individuals. D) They are genetically identical. Show Answer Correct Answer: D) They are genetically identical. 11. The Klenow fragment is basically a A) RNA polymerase. B) Promoter. C) DNA polymerase. D) DNA hybrid. Show Answer Correct Answer: C) DNA polymerase. 12. Cry I Ac and cry I Ab produce toxins that control ..... A) Cotton bollworms and corn borer respectively. B) Corn borer and cotton bollworms respectively. C) Tobacco budworms and nematodes respectively. D) Nematodes and tobacco budworms respectively. Show Answer Correct Answer: A) Cotton bollworms and corn borer respectively. 13. Which of the following allow for amplification of a DNA fragment abiotically? A) Bacterial transformation. B) DNA sequencing. C) Polymerase chain reaction. D) Gel electrophoresis. Show Answer Correct Answer: C) Polymerase chain reaction. 14. In agarose gel electrophoresis, smaller DNA fragments move ..... than larger ones. A) Faster. B) At the same speed. C) Slower. D) Irregularly. Show Answer Correct Answer: A) Faster. 15. Genes of interest can be selected from a genomic library by using A) Cloning vectors. B) Restriction enzymes. C) Gene targets. D) DNA Probes. Show Answer Correct Answer: D) DNA Probes. 16. Ti-Plasmid is obtained from A) Yeast. B) Agrobacterium. C) Rhizobium. D) Azotobacter. Show Answer Correct Answer: B) Agrobacterium. 17. True or False:Biotechnology is the use of any biological process for agricultural, medical, industrial or environmental purposes. This includes everything from creating a new variety of apple to developing a vaccine for a deadly disease. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which of the following best describes "restriction enzymes?" A) Enzymes that cut DNA. B) Enzymes that build DNA. C) Enzymes that turn DNA into RNA. D) Enzymes that dissolve DNA. Show Answer Correct Answer: A) Enzymes that cut DNA. 19. What type of science allows us to alter the DNA of a corn plant so that it will contain more protein? A) Biotechnology. B) Geology. C) Physiology. D) Biology. Show Answer Correct Answer: A) Biotechnology. 20. A toxicologist works in the biotechnology research and development pathway. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 21. To transfer (an organ, etc.) from one part of the body to another or from one person or animal to another A) Device. B) Transplant. C) Implant. D) Bionics. Show Answer Correct Answer: B) Transplant. 22. Which one is the benefit of genetically modified organisms(GMO)? A) More delicious than organic. B) Possible allergic reactions. C) Increased yields (make more). D) Unknown consequences. Show Answer Correct Answer: C) Increased yields (make more). 23. Which biotechnology technique is used to produce insulin for diabetic patients? A) Cloning. B) Recombinant DNA technology. C) Stem cell therapy. D) Gene therapy. Show Answer Correct Answer: B) Recombinant DNA technology. 24. Which information was most important to the development of genetic engineering techniques? A) The observation of nondominant alleles. B) The discovery of lethal genes. C) The formulation of Punnett squares. D) The structure of the DNA molecule. Show Answer Correct Answer: D) The structure of the DNA molecule. 25. The complete instructions for making an organism, consisting of all the genetic material in that organism's chromosomes A) Cloning. B) Biotechnology. C) Gene therapy. D) Genome. Show Answer Correct Answer: D) Genome. 26. Select the correct answer:Cohen and Boyer extracted antibiotic resistant gene from ..... and inserted in to ..... A) Ecoli and Salmonella. B) Salmonella and Ecoli. C) Influenza and Ecoli. D) Ecoli and bacteriophage. Show Answer Correct Answer: B) Salmonella and Ecoli. 27. How long have people been using processes that are considered forms of biotechnology? A) Thousands of Years. B) 1000 Years. C) 150 Years. D) 20 Years. Show Answer Correct Answer: A) Thousands of Years. 28. A number of projects in North Carolina biotechnology involve genomics. Which best describes genomics? A) The study of anatomy and how the body functions. B) The study of biology and how energy flows in cells. C) The study of genes and how they function. D) The study of technology and how it works. Show Answer Correct Answer: C) The study of genes and how they function. 29. What process is used by bacterial cells in cell division? A) Mitosis. B) Meiosis. C) Binary fission. D) Cytolinesis. Show Answer Correct Answer: C) Binary fission. 30. Multiple Choice Questions (1-25)-Selectable markers are used to: A) Join DNA. B) Identify transformed cells. C) Amplify DNA. D) Cut DNA. Show Answer Correct Answer: B) Identify transformed cells. 31. When DNA is manipulated and moved from one source to another it is known as A) GMO. B) Genetic engineering. C) Gene therapy. D) Electrophoresis. Show Answer Correct Answer: B) Genetic engineering. 32. Multiple Choice Questions (1-25)-Which vector is used to transfer genes into plants? A) SV40. B) Lambda phage. C) Ti plasmid. D) Cosmid. Show Answer Correct Answer: C) Ti plasmid. 33. What are DNA fingerprints used for? A) To identify the patterns in a person's fingerprint. B) To show evolutionary relationships. C) To sequence the DNA bases. D) Crime scene investigations and to determine paternity/maternity. Show Answer Correct Answer: D) Crime scene investigations and to determine paternity/maternity. 34. Hair color and eye color are examples of a person's A) Phenotype. B) Genotype. C) Dominant traits. D) Recessive traits. Show Answer Correct Answer: A) Phenotype. 35. The lac operon is referred to as a(n) ..... operon. A) Audible. B) Inducible. C) Inaudible. D) Repressible. Show Answer Correct Answer: B) Inducible. 36. Biopiracy means: A) Use of bioresources without permission. B) Overuse of fertilizers. C) Genetic mutation. D) Water pollution. Show Answer Correct Answer: A) Use of bioresources without permission. 37. Full name of PCR A) Poli cystic recognition. B) Polymerase chain reaction. C) Polymerase chemical restriction. D) Polyethylene glycol. Show Answer Correct Answer: B) Polymerase chain reaction. 38. This is the practice of inserting the DNA of another species into an organism's DNA so that the organism gains a new trait. A) Genetic Engineering. B) Cloning. C) Gel Electrophoresis. D) DNA Fingerprinting. Show Answer Correct Answer: A) Genetic Engineering. 39. Which of the following is a disadvantage of growing a genetically modified crop? A) Increased yield in crop. B) Improved nutrition quality of the crop. C) Reduced use of chemical fertilisers. D) Inserted genes being transferred to wild plants. Show Answer Correct Answer: D) Inserted genes being transferred to wild plants. 40. The first clinical gene therapy was used to treat ..... A) ADA deficiency. B) Sickle-cell anemia. C) Cystic fibrosis. D) Hemophilia. Show Answer Correct Answer: A) ADA deficiency. 41. In 1980, the Indian Supreme Court approved the principle of patenting genetically engineered life forms A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 42. How does genetic engineering affect plant traits? A) It has no effect on traits. B) It randomly changes plant traits. C) It specifically alters certain traits. D) It makes all plants the same. Show Answer Correct Answer: C) It specifically alters certain traits. 43. Which of the following is a concern about the use of genetically modified organisms (GMOs) as food? A) They may taste better than normal food. B) They may cause death if eaten. C) They can cause allergies, toxins, new diseases and nutritional problems. D) They are perfectly healthy. Show Answer Correct Answer: C) They can cause allergies, toxins, new diseases and nutritional problems. 44. What gene was transferred to bacteria to make them glow under UV light? A) A gene from a fluorescent plant. B) A gene from a bioluminescent jellyfish. C) A human gene. D) A gene from a deep-sea fish. Show Answer Correct Answer: B) A gene from a bioluminescent jellyfish. 45. The first clinical gene therapy was performed in: A) 2000. B) 1990. C) 1980. D) 1978. Show Answer Correct Answer: B) 1990. 46. Saccharomyces Cerevisceae dan Acetobacter sp. Digunakan dalam proses pembuatan ..... A) Yoghurt. B) Oncom. C) Tape. D) Cuka. Show Answer Correct Answer: D) Cuka. 47. Some farmers currently grow genetically engineered crops. What would be an argument against the use of this technology? A) Its long-term effects on humans are still being investigated. B) It increases crop production. C) It produces insect-resistant plants. D) It always results in crops that do not taste good. Show Answer Correct Answer: A) Its long-term effects on humans are still being investigated. 48. Which of the following is NOT a way in which biotechnology is working to heal the world? A) Reducing rates of infectious disease. B) Using mutant genes to create the Hulk. C) Tailoring treatments to reduce risks and side effects. D) Creating new tools for disease detection and prevention. Show Answer Correct Answer: B) Using mutant genes to create the Hulk. 49. Janis plans to pursue a master s degree.How might this degree MOST LIKELY affect Janis career? A) She will live a happier life. B) She will dislike her job. C) She will become a supervisor. D) She will earn less money. Show Answer Correct Answer: C) She will become a supervisor. 50. Which is a project that a scientist would most likely work on at a biotechnology company? A) Study and reconstruction of fossilized bones. B) Conservation of key species within ecosystems. C) Prevention of sewage leaking into water supplies. D) Development of genetically modified corn plants. Show Answer Correct Answer: D) Development of genetically modified corn plants. 51. Hubungan yang benar antara mikroba dengan produk yang dihasilkan melalui proses bioteknologi adalah A) Candidas utilis = tempe. B) Penicillium camemberti = nata de coco. C) Lactobacillus bulgaris = yoghurt. D) Acetobacter xylinum = keju. Show Answer Correct Answer: C) Lactobacillus bulgaris = yoghurt. 52. Taq polymerase is produced by A) Bacillus thuringiensis. B) Agrobacterium tumeifaciens. C) Thermus aquaticus. D) Staphylococcus. Show Answer Correct Answer: C) Thermus aquaticus. 53. Within the past 75 years, scientists have made the greatest advances A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 54. Identify the enzyme used to cut DNA in genetic engineering. A) Trypsin. B) Protease. C) Restriction enzymes. D) DNA ligase. Show Answer Correct Answer: C) Restriction enzymes. 55. The experimental manipulation of DNA of different species, producing recombinant DNA is known as A) Transformation. B) Electrophoresis. C) Recombinant DNA technology. D) Somatic hybridization. Show Answer Correct Answer: C) Recombinant DNA technology. 56. An enzyme that cuts the DNA into different sizes during gel electrophoresis. A) Transcription enzyme. B) Restriction enzyme. C) Replication enzyme. D) Translation enzyme. Show Answer Correct Answer: B) Restriction enzyme. 57. Golden rice is genetically modifed crop plant where the incorporated gene is meant for biosynthesis of A) Omega 3. B) Vitamin C. C) Vitamin A. D) Vitamin B. Show Answer Correct Answer: C) Vitamin A. 58. Which is one reason scientists produce transgenic organisms? A) To treat certain types of diseases. B) To prevent habitats from being destroyed. C) To create new species of organisms. D) To control microorganisms in the soil. Show Answer Correct Answer: A) To treat certain types of diseases. 59. Which technique is used in plant biotechnology to create genetically identical copies of a plant? A) Grafting. B) Tissue Culture. C) Hybridization. D) Cross-breeding. Show Answer Correct Answer: B) Tissue Culture. 60. Which would least likely be a result of biotechnology in agriculture? A) Increase in soil erosion. B) Decrease in use of pesticide. C) Increase in nutritional value of food. D) Decrease in amount of land used for farmland. Show Answer Correct Answer: A) Increase in soil erosion. ← 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books