This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What technique is used for separating DNA fragments? A) Gel electrophoresis. B) Chromatography. C) Transformation. D) Transduction. Show Answer Correct Answer: A) Gel electrophoresis. 2. The first recombinant DNA was formed by joining DNA of lambda phage with that of ..... A) SV40 virus. B) E. coli plasmid. C) Human mitochondrial DNA. D) Adenovirus. Show Answer Correct Answer: A) SV40 virus. 3. In biotechnology, what is the purpose of using a plasmid in genetic engineering? A) To serve as a vector for gene insertion. B) To act as a catalyst in chemical reactions. C) To provide energy for cellular processes. D) To enhance the flavor of genetically modified foods. Show Answer Correct Answer: A) To serve as a vector for gene insertion. 4. BIOTEKNOLOGI terdiri dari 3 kata yaitu "BIO", "TEKNO", dan "LOGI", kata yang bermakna bahwa BIOTEKNOLOGI melibatkan makhluk hidup atau organisme dalam prosesnya adalah ..... A) BIO. B) TEKNO. C) LOGI. D) MODERN. Show Answer Correct Answer: A) BIO. 5. ..... tissue helps in insulation, supply of energy. A) Areolar tissue. B) Adipose tissue. C) Lymph. D) Tendon. Show Answer Correct Answer: B) Adipose tissue. 6. Why did scientists edit the genes of bacteria to produce insulin? A) Because the bacteria were diabetic. B) Because bacteria have simple DNA that is easier to manipulate, making it easy to produce insulin in a lab. C) Because bacteria's complex DNA was perfect for insulin production. D) Because insulin has no use outside of a lab setting. Show Answer Correct Answer: B) Because bacteria have simple DNA that is easier to manipulate, making it easy to produce insulin in a lab. 7. What is the criterion for DN A fragments movement on agarose gel during gel electrophoresis? A) The smaller the fragment size, the farther it moves. B) Negatively charged fragments do not move. C) The larger the fragment size, the farther it moves. D) Positively charged fragments move to farther end. Show Answer Correct Answer: A) The smaller the fragment size, the farther it moves. 8. Which career field would most likely be involved in the creation of transgenic organisms that produce insulin? A) Agriculture. B) Construction. C) Manufacturing. D) Medical. Show Answer Correct Answer: D) Medical. 9. The first chemically defined media was formulated by A) Thomson. B) Earle. C) Eagle. D) Grace. Show Answer Correct Answer: C) Eagle. 10. What is the main function of lipids in food? A) Improving texture. B) Increasing shelf life. C) Enhancing flavor. D) Providing energy. Show Answer Correct Answer: D) Providing energy. 11. Which is a way the agricultural biotechnology industry could have a positive impact on the environment? A) A by producing crops that are virus resistant. B) B by making robots to replace large farm machines. C) C by reducing the need for countries to import food. D) D by increasing the use of wind farms that produce electricity. Show Answer Correct Answer: C) C by reducing the need for countries to import food. 12. The thermostable enzyme DNA polymerase is obtained from A) Agrobacterium tumifaciens. B) Thermus aquaticus. C) Escherichia coli. D) Meloidogyne incognitia. Show Answer Correct Answer: B) Thermus aquaticus. 13. The two polypeptides of human insulin are linked together by A) Phosphodiester bonds. B) Covalent bonds. C) Disulphide bridges. D) Hydrogen bonds. Show Answer Correct Answer: C) Disulphide bridges. 14. What would be an economic benefit of bioremediation in a coastal town that just experienced an oil spill? A) The cost of purified water will increase resulting in more revenue for the town. B) Water and land areas will be cleaned of oil, encouraging more tourists to visit the town and spend money there. C) The oil from the spill will be recovered from bioremediation and used as fuel in future. D) None of the above. Show Answer Correct Answer: B) Water and land areas will be cleaned of oil, encouraging more tourists to visit the town and spend money there. 15. What is a STEM cell? A) An unspecialized cell, capable of differentiating into one or more cell types. B) An unspecialized cell that has differentiated to become a specific cell. C) A differentiated cell that is capable of specializing. D) A cell that is taken from the cell tissue of a plant. Show Answer Correct Answer: A) An unspecialized cell, capable of differentiating into one or more cell types. 16. DNA fragments are A) Negatively charged. B) Neutral. C) Either negatively or positively charged depending on their size. D) Positively charged. Show Answer Correct Answer: A) Negatively charged. 17. Drug-resistance genes could be transferred by which of the following mechanisms: A) Conjugation. B) Bacteriophages. C) Transformation. D) A, b, and c. Show Answer Correct Answer: D) A, b, and c. 18. How can using genetically engineered crops impact North Carolina's economy? A) Improve quality of farm equipment. B) Decreased availability of productive land. C) Decreased food production and more debt for farmers. D) Increased food production and income for the farmers. Show Answer Correct Answer: D) Increased food production and income for the farmers. 19. Microorganisms can only be seen with a microscope. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Process of making changes in the DNA code of humans. A) Agriculture. B) DNA. C) Genome. D) Genetic engineering. Show Answer Correct Answer: D) Genetic engineering. 21. The biological and chemical methods that change the arrangement of DNA that makes up a gene. A) Variations. B) Mutations. C) Genetic engineering. D) Principle of superposition. Show Answer Correct Answer: C) Genetic engineering. 22. You were at your doctor's office and he/she prescribed a new drug for your allergies. The nurse gave you a sample to try before buying the new medicine who would have given him/her the sample? A) Pharmaceutical sale representative. B) Pharmaceutical scientist. C) Pharmaceutical data specialist. D) Pharmaceutical technician. Show Answer Correct Answer: A) Pharmaceutical sale representative. 23. Bacteriophages (bacterial viruses) participate in this gene transfer A) Transformation. B) Conjugation. C) Transduction. D) Translation. Show Answer Correct Answer: C) Transduction. 24. Who invented PCR? A) Karl Erkey. B) Robert Koch. C) Kary Mulis. D) Avery, McLeod, McCarty. Show Answer Correct Answer: C) Kary Mulis. 25. ..... conduct research in areas such as pharmaceuticals, using bioinformatic theories and methods. A) Biochemists. B) Bioinformatics technician. C) Bioinformatics scientists. D) Quality control technician. Show Answer Correct Answer: C) Bioinformatics scientists. ← 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