This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cry genes provide resistance to: A) Insects. B) Fungi. C) Viruses. D) Herbicides. Show Answer Correct Answer: A) Insects. 2. The use of living organisms to detoxify and restore polluted areas. A) Bioremediation. B) Pharmaceutical. C) Agriculture. D) Genome. Show Answer Correct Answer: A) Bioremediation. 3. 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. 4. How can the rate of an infectious disease be drastically reduced? A) By taking medication daily. B) By wearing clean clothing. C) By preventing transmission between people. D) By performing dental hygiene three times a day. Show Answer Correct Answer: C) By preventing transmission between people. 5. Strawberries have been genetically modified to resist frost. How does this benefit farmers? 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. 6. 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 & B. B) A & C. C) A & D. D) B & C. Show Answer Correct Answer: A) A & B. 7. $\alpha$-1-antitrypsin is A) An antacid. B) An enzyme. C) Used to treat arthritis. D) Used to treat emphysema. Show Answer Correct Answer: D) Used to treat emphysema. 8. 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. 9. 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. 10. 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. 11. 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. 12. Organisms that have DNA from a different species artificially inserted into their cells are called A) Bioremediated. B) Transgenic. C) Cultured. D) A clone. Show Answer Correct Answer: B) Transgenic. 13. 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. 14. 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). 15. Which technique is suggested to detect cancer in patients? A) PCR. B) ELISA. C) SCID. D) ADA. Show Answer Correct Answer: A) PCR. 16. Golden rice was engineered to combat deficiency of? A) Vitamin C. B) Vitamin B12. C) Vitamin A. D) Vitamin K. Show Answer Correct Answer: C) Vitamin A. 17. Restriction enzymes cut DNA randomly. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. What is the purpose of genetic modification in plants? A) To make them look prettier. B) To increase their size only. C) To enhance traits like disease resistance. D) To change their color. Show Answer Correct Answer: C) To enhance traits like disease resistance. 19. 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. 20. 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. 21. During gel electrophoresis, the ..... pieces of DNA move farthest down the gel A) Lightest. B) Heaviest. C) Ugliest. D) Deadliest. Show Answer Correct Answer: A) Lightest. 22. Rennin used in cheese industry is A) Antibiotic. B) Alkaloid. C) Enzyme. D) Inhibitor. Show Answer Correct Answer: C) Enzyme. 23. 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. 24. Ahli yang dikenal sebagai bapak bioteknologi adalah A) Edward Jenner. B) Darwin. C) Antoni Van Leuwenhoek. D) Louis Pasteur. Show Answer Correct Answer: D) Louis Pasteur. 25. What is a common application of biotechnology in agriculture? A) Developing pest-resistant crop varieties. B) Increasing the size of farm machinery. C) Reducing the need for water in irrigation. D) Enhancing the flavor of organic produce. Show Answer Correct Answer: A) Developing pest-resistant crop varieties. ← 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