This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two people believe they are related. Which would be the best technique to determine if they are related? A) Testing blood types. B) Comparing DNA. C) Examining karyotypes. D) Testing for genetic disorders. Show Answer Correct Answer: B) Comparing DNA. 2. These scientists conduct studies and tests to discover new products, improve existing products and solve problems in areas such as environmental protection and disease prevention. A) Biochemist. B) Bioinformatics. C) Biostatistician. D) Data miner. Show Answer Correct Answer: A) Biochemist. 3. Silencing of mRNA has been used in producing transgenic plants resistant to A) Boll worms. B) Nematodes. C) White rusts. D) Bacterial blights. Show Answer Correct Answer: B) Nematodes. 4. Which of the following is added to a fermenter to allow microorganisms to produce amino acids? A) Ammonium ions. B) Oxygen. C) Glucose. D) Carbon dioxide. Show Answer Correct Answer: A) Ammonium ions. 5. The term chimeric DNA refers to A) DNA with overhanging stretches. B) DNA with palindromic sequences. C) A recombinant DNA. D) Molecular scissors. Show Answer Correct Answer: C) A recombinant DNA. 6. Unique sequence of DNA base pairs that can be used to identify a person at the molecular level A) DNA fingerprint. B) Recombinant DNA. C) Gene therapy. D) Bioremediation. Show Answer Correct Answer: A) DNA fingerprint. 7. What is the most useful change biotechnology has made in agriculture? A) Crops need more water. B) Crops need more nutrients. C) Crops need more time to grow. D) Crops resist more diseases. Show Answer Correct Answer: D) Crops resist more diseases. 8. The first restriction endonuclease reported was A) Hind II. B) EcoRl. C) Hind III. D) BamHI. Show Answer Correct Answer: A) Hind II. 9. Which of the following is NOT true about biotechnology research and development? A) Focuses on studying diseases. B) Creates new diseases. C) Discovers new treatments. D) Invents or improves medical devices. Show Answer Correct Answer: B) Creates new diseases. 10. Which potential problem could occur from recent increases in genetically modified foods? A) Increased crop yield. B) Creation of herbicide-resistant weeds. C) Increased risk to crops from environmental stresses. D) Improved taste, texture, appearance, and nutritional qualities of food. Show Answer Correct Answer: B) Creation of herbicide-resistant weeds. 11. Which of the following is a method to enhance the stability of carotenoids in food? A) Fermentation. B) Boiling. C) Microencapsulation. D) Freezing. Show Answer Correct Answer: C) Microencapsulation. 12. Which of these areas of bioengineering are least ethically questioned? A) Lack of labeling GMO foods. B) Using transgenic pigs to harvest transplant organs. C) Creation of vaccines. D) BT corn being sold world wide. Show Answer Correct Answer: C) Creation of vaccines. 13. Beefalo is an example of what type of selective breeding? A) Cloning. B) Hybridization. C) In-breeding. D) None of the above. Show Answer Correct Answer: B) Hybridization. 14. Strawberries have been genetically modified to resist frost. How is this a benefit for growers in North Carolina? A) A longer growing season. B) A pest resistant berry. C) A larger berry. D) Easier harvesting. Show Answer Correct Answer: A) A longer growing season. 15. How do smaller molecules behave in electrophoresis? A) They move slower. B) They move faster. C) They remain stationary. D) They dissolve. Show Answer Correct Answer: B) They move faster. 16. True or False:Biotechnology has been used for thousands of years by people to produce cloned crops, cheese, bread and beer/wine. A) True. B) False. C) Only cloning plants. D) Only cheese, bread, beer/wine. Show Answer Correct Answer: A) True. 17. Which of these is not a way in which biotechnology can benefit agriculture? A) Increase crop population. B) Reducing the loss of crops due to insects. C) Producing better-tasting food. D) Improving farm machinery. Show Answer Correct Answer: D) Improving farm machinery. 18. Roderick recently earned his doctoral degree Which job is he MOST LIKELYpursuing? A) Research scientist. B) Sales representative. C) Technical writer. D) Veterinary technician. Show Answer Correct Answer: A) Research scientist. 19. Workers in the Biotechnology Research & Development pathway: A) Are responsible for cleaning and maintaining health care facilities. B) Use advancements in science and technology to improve health care. C) Record valuable health care information. D) None of the above. Show Answer Correct Answer: B) Use advancements in science and technology to improve health care. 20. Which of the following scenarios best illustrates an ethical dilemma in biotechnology? A) Developing drought-resistant crops to combat climate change. B) Using genetic information to deny individuals health insurance. C) Creating vaccines to prevent infectious diseases. D) Engineering bacteria to clean up oil spills. Show Answer Correct Answer: B) Using genetic information to deny individuals health insurance. 21. Breeding specific animals to obtain offspring that express desired traits refers to which? A) Transgenics. B) Artificial selection. C) DNA sequencing. D) None of the above. Show Answer Correct Answer: B) Artificial selection. 22. Which is a potential ethical issue resulting from the use of biotechnology? A) Deteriorating the ozone layer. B) Causing mass extinction of a species. C) Increasing pollution of natural resources. D) Introducing a genetically-altered species. Show Answer Correct Answer: D) Introducing a genetically-altered species. 23. Bt toxin is obtained from: A) Bacillus thuringiensis. B) Bacillus subtilis. C) Agrobacterium tumefaciens. D) Rhizobium. Show Answer Correct Answer: A) Bacillus thuringiensis. 24. Gel electrophoresis is a laboratory technique used to A) Replicate DNA under laboratory conditions. B) Separate DNA fragments based on their size. C) Replicate DNA or RNA under laboratory conditions. D) Separate and isolate proteins or DNA fragments based on size. Show Answer Correct Answer: D) Separate and isolate proteins or DNA fragments based on size. 25. Which of the following is NOT a key area of Food Biotechnology? A) Food Packaging. B) Microbial Fermentation. C) Genetically Modified Organisms (GMOs). D) Biofortification. Show Answer Correct Answer: A) Food Packaging. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 1Class 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 10Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books