This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Somatic gene therapy affects: A) Only somatic cells. B) Germ cells. C) Both. D) None. Show Answer Correct Answer: A) Only somatic cells. 2. Transgenic organisms contain A) Genes from other species. B) Genes of only one parent. C) Cells of another organism. D) One or more human genes. Show Answer Correct Answer: A) Genes from other species. 3. A small molecule that binds to a repressor and makes it active A) Regulator. B) Activator. C) Corepressor. D) Repressor. Show Answer Correct Answer: C) Corepressor. 4. Which improvement to agriculture is most likely a result of biotechnology? A) Increased land. B) Increased fertilizer. C) Increased productivity. D) None of the above. Show Answer Correct Answer: C) Increased productivity. 5. The following original section of DNA is replicated, and a mutation occurs in the sequence. Compare the original sequence to the copied sequence. Which type of mutation occurred? A) Deletion. B) Insertiong. C) Subsitution. D) None of the above. Show Answer Correct Answer: A) Deletion. 6. What is a key component of plant biotechnology? A) Soil science. B) DNA and genes. C) Watering plants. D) Sunlight. Show Answer Correct Answer: B) DNA and genes. 7. A ..... would perform scientific research and apply chemical principles to study human diseases, their origins, and how to best treat them. A) Regulatory Affairs Specialist. B) Biomedical chemist. C) Processing Technician. D) Toxicologist. Show Answer Correct Answer: B) Biomedical chemist. 8. Who was the Scottish scientist who discovered penicillin on accident when a bit of fungus killed bacteria in a petri dish in 1928? A) Robert Hooke. B) Carolus Linneus. C) Alexander Flemming. D) Gregor Mendel. Show Answer Correct Answer: C) Alexander Flemming. 9. DNA replication results in two DNA molecules, A) Each one with two original strands. B) Each one with two new strands. C) Each one with one new strand and one original strand. D) One with two new strands and the other with two original strands. Show Answer Correct Answer: C) Each one with one new strand and one original strand. 10. The process that involves separating the DNA from the cell parts. A) Gene Therapy. B) DNA Replication. C) DNA Extraction. D) DNA Fingerprinting. Show Answer Correct Answer: C) DNA Extraction. 11. Mules are the offspring of a male donkey and a female horse. What kind of biotechnology is used to create mules? A) Cloning. B) Artificial Selection. C) Genetic Engineering. D) None of the above. Show Answer Correct Answer: B) Artificial Selection. 12. What is the purpose of heating the DNA to 95$^\circ$C in the PCR process? A) To denature proteins. B) To bind primers. C) To synthesize RNA. D) To break hydrogen bonds. Show Answer Correct Answer: D) To break hydrogen bonds. 13. Which is used to cut DNA molecules at specific points? A) PCR analysis. B) Gel electrophoresis. C) A restriction enzyme. D) Recombinant DNA. Show Answer Correct Answer: C) A restriction enzyme. 14. What is genetic engineering? A) The process of creating new species through natural selection. B) The direct manipulation of an organism's genes using biotechnology. C) A method of breeding plants and animals for desired traits. D) The study of genetic variations in populations. Show Answer Correct Answer: B) The direct manipulation of an organism's genes using biotechnology. 15. Which is an ethical issue surrounding the use of genetically modified foods? A) Cost of production. B) Long-term health effects. C) Ability to grow more nutritious foods. D) Ability to produce a lot of food quickly. Show Answer Correct Answer: B) Long-term health effects. 16. In PCR reaction, how much kinds of nucleotide are used A) 2. B) 8. C) 5. D) 4. Show Answer Correct Answer: D) 4. 17. The common fusagen used in somatic hybridization is A) HEG. B) PEG. C) MEG. D) TEG. Show Answer Correct Answer: B) PEG. 18. How does the biotechnology industry benefit North Carolina? A) Many new, high paying jobs are created. B) State budget increases from the construction of new facilities. C) The average salary of the worker in NC decreased. D) New technologies being developed are too expensive for people here to afford. Show Answer Correct Answer: A) Many new, high paying jobs are created. 19. Which of the following is an application of biotechnology in agriculture? A) Improving textile manufacturing. B) Increasing fossil fuel extraction. C) Developing drought-resistant crops. D) Enhancing solar panel efficiency. Show Answer Correct Answer: C) Developing drought-resistant crops. 20. The use and manipulation of biological processes through technology is called A) Biotechnology. B) Deforestation. C) Agriculture. D) Selective cutting. Show Answer Correct Answer: A) Biotechnology. 21. Which aspect of modern life could most likely cause an epidemic to turn into a pandemic? A) Vaccination. B) Sanitation. C) Communication. D) Transportation. Show Answer Correct Answer: D) Transportation. 22. What is synthetic biology? A) A field focused on the study of animal behavior. B) An interdisciplinary branch of biology and engineering that involves designing and constructing new biological parts, devices, and systems. C) A method for cloning plants and animals. D) A technique used in traditional agriculture to enhance crop yield. Show Answer Correct Answer: B) An interdisciplinary branch of biology and engineering that involves designing and constructing new biological parts, devices, and systems. 23. Cry genes provide resistance to: A) Herbicides. B) Viruses. C) Fungi. D) Insects. Show Answer Correct Answer: D) Insects. 24. The use of living organisms to detoxify and restore polluted areas. A) Pharmaceutical. B) Genome. C) Bioremediation. D) Agriculture. Show Answer Correct Answer: C) Bioremediation. 25. What is the core technique in biotechnology that facilitates the alteration of genetic material? A) Genetic engineering. B) Aseptic techniques. C) Gene transfer. D) Gene cloning. Show Answer Correct Answer: A) Genetic engineering. 26. How can the rate of an infectious disease be drastically reduced? A) By preventing transmission between people. B) By wearing clean clothing. C) By taking medication daily. D) By performing dental hygiene three times a day. Show Answer Correct Answer: A) By preventing transmission between people. 27. Strawberries have been genetically modified to resist frost. How does this benefit farmers? A) A longer growing season. B) A pest-resistant berry. C) Easier harvesting. D) A larger berry. Show Answer Correct Answer: A) A longer growing season. 28. Read statements a-d. Which two of them have mistakes ..... a) First transgenic buffalo Rosie produced milk which was human alpha-lactalbumin enrichedb) Restriction enzymes are used in isolation of DNA from other macromoleculesc) Downstream processing is one of the steps of rDNA technologyd) Disarmed pathogen vectors are also used in transfer of rDNA into the host A) A & C. B) A & D. C) A & B. D) B & C. Show Answer Correct Answer: C) A & B. 29. $\alpha$-1-antitrypsin is A) Used to treat emphysema. B) An enzyme. C) An antacid. D) Used to treat arthritis. Show Answer Correct Answer: A) Used to treat emphysema. 30. The two antibiotic resistance genes on vector pBR$_{322}$ are for A) Tetracycline and Kanamycin. B) Ampicillin and Tetracycline. C) Ampicillin and Chloramphenicol. D) Chloramphenicol and Tetracycline. Show Answer Correct Answer: B) Ampicillin and Tetracycline. 31. Which would most likely result in the largest economic benefit to North Carolina? A) North Carolina partnering with farmers for use of agricultural biotechnology. B) North Carolina being a lead consumer state in pharmaceutical manufacturing. C) North Carolina making the world's best-trained workforce for biomanufacturing. D) North Carolina making a long-standing commitment to biotechnology development. Show Answer Correct Answer: D) North Carolina making a long-standing commitment to biotechnology development. 32. Stem cells from a donor are cultured and then implanted into a person with Alzheimer's disease. Why is this procedure most likely considered controversial? A) There are associated ethical and moral issues. B) There is an insufficient supply of donor cells. C) There is an increased risk of infection. D) The patient did not give consent. Show Answer Correct Answer: A) There are associated ethical and moral issues. 33. How does biotechnology contribute to the field of medicine? A) By developing new surgical techniques. B) By creating synthetic hormones and vaccines. C) By improving hospital infrastructure. D) By training medical professionals. Show Answer Correct Answer: B) By creating synthetic hormones and vaccines. 34. Organisms that have DNA from a different species artificially inserted into their cells are called A) Bioremediated. B) A clone. C) Transgenic. D) Cultured. Show Answer Correct Answer: C) Transgenic. 35. Which is one possible human benefit from biotechnology research? A) A producing crops that can grow in areas where they normally do not grow. B) B producing new types of disease-causing viruses. C) C increasing the ability to turn ocean water to freshwater. D) D creating new types of buildings that can withstand hurricanes. Show Answer Correct Answer: A) A producing crops that can grow in areas where they normally do not grow. 36. Early detection of a disease is possible by A) PCR. B) Gene therapy. C) Recombinant DNA technology and ELISA. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). 37. Which technique is suggested to detect cancer in patients? A) PCR. B) ADA. C) SCID. D) ELISA. Show Answer Correct Answer: A) PCR. 38. Golden rice was engineered to combat deficiency of? A) Vitamin C. B) Vitamin A. C) Vitamin B12. D) Vitamin K. Show Answer Correct Answer: B) Vitamin A. 39. Restriction enzymes cut DNA randomly. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 40. What is the purpose of genetic modification in plants? A) To increase their size only. B) To enhance traits like disease resistance. C) To make them look prettier. D) To change their color. Show Answer Correct Answer: B) To enhance traits like disease resistance. 41. How does cloning work? A) A gene from one organism is inserted into the genome of another organism using sticky ends. B) Organisms with a desirable trait are breed together until offspring show improved trait. C) Gene are silenced by harnessing our bodies natural defense system against viruses. D) An organism is reproduced by removing the nucleus from one of its cells and inserting that nucleus into an egg, which is then develops in a surrogates womb. Show Answer Correct Answer: D) An organism is reproduced by removing the nucleus from one of its cells and inserting that nucleus into an egg, which is then develops in a surrogates womb. 42. The term 'Totipotency' was given by ..... A) T.H. Morgan. B) Haberlandt. C) Schwann. D) De Robertis. Show Answer Correct Answer: A) T.H. Morgan. 43. During gel electrophoresis, the ..... pieces of DNA move farthest down the gel A) Deadliest. B) Ugliest. C) Heaviest. D) Lightest. Show Answer Correct Answer: D) Lightest. 44. Rennin used in cheese industry is A) Alkaloid. B) Inhibitor. C) Antibiotic. D) Enzyme. Show Answer Correct Answer: D) Enzyme. 45. The direct manipulation of an organism's genome using biotechnology to make improvements to or other products from the organism. A) Genetic material. B) Genetic Modification. C) Genetics. D) None of the above. Show Answer Correct Answer: B) Genetic Modification. 46. Ahli yang dikenal sebagai bapak bioteknologi adalah A) Antoni Van Leuwenhoek. B) Edward Jenner. C) Louis Pasteur. D) Darwin. Show Answer Correct Answer: C) Louis Pasteur. 47. What is a common application of biotechnology in agriculture? A) Enhancing the flavor of organic produce. B) Developing pest-resistant crop varieties. C) Reducing the need for water in irrigation. D) Increasing the size of farm machinery. Show Answer Correct Answer: B) Developing pest-resistant crop varieties. 48. Moral principles that govern a person's behavior or the conducting of an activity. What is this? A) GMO. B) Genetic engineering. C) Biofortified. D) Ethics. Show Answer Correct Answer: D) Ethics. 49. What type of DNA contains DNA from 2 different organisms? A) Transcribed DNA. B) Recombinant DNA. C) Cloned DNA. D) None of the above. Show Answer Correct Answer: B) Recombinant DNA. 50. A:RNA interference protects plants from nematodes. R:It silences specific mRNA responsible for nematode infection. Choose the correct option about A and R. A) Both A and R are true, and R is the correct explanation of A. B) Both A and R are true, but R is not the correct explanation of A. C) A is true, but R is false. D) A is false, but R is true. Show Answer Correct Answer: A) Both A and R are true, and R is the correct explanation of A. 51. Chromosomal or genomic DNA is separated by A) Sedimentation. B) Dissolution in water. C) Centrifugation. D) Distillation. Show Answer Correct Answer: C) Centrifugation. 52. Issues that refer to people's moral values or the code of conduct by which they live A) Ethical issues. B) Cultural issues. C) Legal issues. D) Social issues. Show Answer Correct Answer: A) Ethical issues. 53. Multiple Choice Questions (1-25)-In agarose gel electrophoresis, DNA moves towards: A) Anode. B) Cathode. C) Remains stationary. D) Both ends. Show Answer Correct Answer: A) Anode. 54. Deoxyribonucleic Acid, the blueprint or "recipe" for cells. A) Modify. B) GMO. C) DNA. D) Cloning. Show Answer Correct Answer: C) DNA. 55. In Southern blotting, ..... type paper is used for blot transfer A) Nitrocellulose membrane or Nylon membrane filter. B) Whatman filter paper. C) Paper towel filter paper. D) None. Show Answer Correct Answer: A) Nitrocellulose membrane or Nylon membrane filter. 56. An antibiotic resistance gene in a vector usually helps in the selection of A) Competent cells. B) Transformed cells. C) Recombinant cells. D) None of these. Show Answer Correct Answer: B) Transformed cells. 57. Geologists use radioactive dating to determine THE ABSOLUTE AGE OF ROCKS. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. While isolating DNA from bacteria which of the following enzyme is not used A) Ribonuclease. B) Deoxyribonuclease. C) Lysozyme. D) Protease. Show Answer Correct Answer: B) Deoxyribonuclease. 59. A bioprocessing factory receives daily deliveries of oxygen to use for the: A) Purification. B) Microbes. C) Workers. D) Machines. Show Answer Correct Answer: B) Microbes. 60. What is an ethical issue involved in cloning? A) Increased biodiversity of the species being cloned. B) Destroying and using embryos for research purposes with unpredictable outcomes. C) Decrease in the production of plant and animal based food. D) Poor funding of stem cell research by the government. Show Answer Correct Answer: B) Destroying and using embryos for research purposes with unpredictable outcomes. ← 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