This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 47 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. DNA segments that serve as the unit of heredity. A) Biotechnology. B) Genes. C) Genome. D) Agriculture. Show Answer Correct Answer: B) Genes. 2. Genetic engineering has been successfully used for producing ..... A) Transgenic cow, Rosie, which produces high fat milk for making ghee. B) Animal like bulls for farm work as they have super power. C) Transgenic mice for testing safety of polio vaccine before use in humans. D) Transgenic models for studying new treatments for certain cardiac diseases. Show Answer Correct Answer: C) Transgenic mice for testing safety of polio vaccine before use in humans. 3. DNA can be cut with A) Ligase. B) Helicase. C) Restriction enzymes. D) DNA scissors. Show Answer Correct Answer: C) Restriction enzymes. 4. The enzyme used to cut DNA at specific sites is called ..... A) Restriction enzyme. B) DNA polymerase. C) DNA ligase. D) Helicase. Show Answer Correct Answer: A) Restriction enzyme. 5. The dye which is used for staining the DNA in gel electrophoresis A) Acetocarmine. B) Ethidium bromide. C) Crystal violet. D) Congo red. Show Answer Correct Answer: B) Ethidium bromide. 6. Most commonly used matrix in gel electrophoresis is(a) (b) (c) (d) A) Ethidium bromide. B) Agarose. C) Polyacrylamide. D) Sulphate bromide. Show Answer Correct Answer: B) Agarose. 7. Reaksi kimia yang terjadi pada peristiwa fermentasi, seperti pada pembuatan tape adalah ..... A) Glukosa + O2 $\rightarrow$ CO2 + H2O + energi. B) Glukosa + O2 $\rightarrow$CO2 + alkohol + energi. C) Glukosa $\rightarrow$ CO2 + alkohol + energi. D) Glukosa $\rightarrow$ CO2 + H2O + energi. Show Answer Correct Answer: C) Glukosa $\rightarrow$ CO2 + alkohol + energi. 8. The wealth and resources of a country or region, especially in terms of the production and consumption of goods and services. A) Biotechnology. B) Bioremediation. C) Agriculture. D) Economy. Show Answer Correct Answer: D) Economy. 9. Animals that have had their DNA manipulated to possess and express a foreign gene are called A) Transgenic animals. B) Somatic hybrids. C) Somaclones. D) Super animals. Show Answer Correct Answer: A) Transgenic animals. 10. Which of the following is a benefit of plant biotechnology in agriculture? A) Decreased crop yield. B) Increased disease susceptibility. C) Increased crop yield. D) Higher water usage. Show Answer Correct Answer: C) Increased crop yield. 11. A method of separating DNA fragments according to their size and charge using an electric current is called A) Homologous chromosome. B) DNA Probe. C) Gel electrophoresis. D) Restriction enzyme. Show Answer Correct Answer: C) Gel electrophoresis. 12. Choose the statement that best describes gene therapy. A) The process of producing crops that are resistant to insects. B) The process of using DNA taken from a crime scene to identify a suspect. C) The process of inserting normal genes into human cells to correct genetic disorders. D) The process of creating an identical organism or gene. Show Answer Correct Answer: C) The process of inserting normal genes into human cells to correct genetic disorders. 13. Epithelial tissue is present in A) Skin. B) Inner surface of blood vessels. C) Walls of the alveoli. D) All of these. Show Answer Correct Answer: D) All of these. 14. A master's degree may be required to work in Biotechnology Research and Development. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 15. What was the first cloned animal? A) Dolly the Sheep. B) Robby the Rat. C) Milton the Mouse. D) Beth the Goat. Show Answer Correct Answer: A) Dolly the Sheep. 16. What is the manipulation of organisms or their components to make useful products? A) Genetic Engineering. B) Mutation. C) Biotechnology. D) Recombinant DNA. Show Answer Correct Answer: C) Biotechnology. 17. Which of the following is an example of Biotech in which genetically identical copies of an individual is produced? A) Stem Cells. B) Human Genome Project. C) Cloning. D) Gene Therapy. Show Answer Correct Answer: C) Cloning. 18. How can agricultural biotechnology have a positive impact on the environment? A) By developing crops that are pest resistant requiring fewer pesticides to be used. B) Planting crops in shaded areas. C) Harvesting crops that have thick stems and leaves. D) Water crops with a recycled irrigation system. Show Answer Correct Answer: A) By developing crops that are pest resistant requiring fewer pesticides to be used. 19. Plants that have been genetically modified so that certain insects are toxic to it. A) GMO. B) Pest resistant crops. C) Biotechnology. D) I don't know. Show Answer Correct Answer: B) Pest resistant crops. 20. Flavr Savr tomato delays spoilage. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. What career pathway is responsible for license renewals? They may also compile and prepare materials for submission to regulatory agencies. A) Regulatory affairs specialist. B) Quality control technician. C) Product development specialist. D) Quality assurance technician. Show Answer Correct Answer: A) Regulatory affairs specialist. 22. What do scientists hope to accomplish through stem cell research? A) Cloning humans. B) Developing vaccines for lead poisoning. C) Growing organs for transplant surgery. D) Developing restriction enzymes to cut DNA. Show Answer Correct Answer: C) Growing organs for transplant surgery. 23. Which of the following describes the orientation of the DNA found in a run gel electrophoresis? A) Small fragments are found near the well since it is negatively charged. B) Large fragments are found near the well while small fragments are found at the other end. C) Small fragments are found near the well while large fragments are found at the other end. D) Large fragments are found near the well since it is positively charged. Show Answer Correct Answer: B) Large fragments are found near the well while small fragments are found at the other end. 24. 9) What are some examples of biotechnology being used in agriculture? A) Crop irrigation. B) DNA fingerprinting. C) Gentically modified crops. D) Crop rotation. Show Answer Correct Answer: C) Gentically modified crops. 25. Transgenic cows produce: A) More milk. B) Milk rich in alpha-lactalbumin. C) Milk without lactose. D) None. Show Answer Correct Answer: B) Milk rich in alpha-lactalbumin. ← 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