This quiz works best with JavaScript enabled. Home > Plant > Plant Biotechnology – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biotechnology Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Which pollutant or pollutants are most likely to create eutrophic areas? A) Nitrates and phosphates. B) Heavy metals. C) Synthetic organic compounds. D) Pharmaceuticals. Show Answer Correct Answer: A) Nitrates and phosphates. 3. Dogs and wolves are closely related; however, their sizes and shapes are vastly different. What is the cause of this difference? A) Genetic engineering. B) Selective breeding. C) Behavioral makeup. D) Habitat size. Show Answer Correct Answer: B) Selective breeding. 4. In gel electrophoresis, DNA fragments migrate toward one end of a gel because they are A) Pulled toward that end by gravity. B) Attracted to complementary DNA fragments at that end of the gel. C) Attracted to the positively charged end of the gel. D) Repelled by hydrophobic molecules at the other end of the gel. Show Answer Correct Answer: C) Attracted to the positively charged end of the gel. 5. The Wisconsin Fast Plant is from what species of plant? A) Dandelion. B) Brassica. C) Sapian. D) Diffenbachia. Show Answer Correct Answer: B) Brassica. 6. When using biosensors to fight pollution, the biosensor is helpful in telling us: A) What caused the pollution. B) How long the pollution has been present. C) Who is responsible for the pollution. D) Where and what the pollution is. Show Answer Correct Answer: D) Where and what the pollution is. 7. Susan has a highschool diploma and experience, she could interview for which job? A) Toxicologist. B) Biophysicist. C) Veterinary technician. D) Laboratory assistant. Show Answer Correct Answer: D) Laboratory assistant. 8. The differences that occur within the offspring of a particular species are called: A) Selection. B) Extension. C) Variation. D) Closure. Show Answer Correct Answer: C) Variation. 9. To obtain bacteria that produce insulin, genetic engineers A) Remove repressor proteins that inhibit the expression of the bacterial insulin gene. B) Insert a vector containing the human gene of insulin into bacteria. C) Search for bacteria that grow in a medium that lacks insulin. D) Grow normal bacteria in a nutrient medium that contains a large amount. Show Answer Correct Answer: B) Insert a vector containing the human gene of insulin into bacteria. 10. Which task is best accomplished with the use of specific genetic information in biotechnology? A) Conserving water. B) Cleaning up oil spills. C) Producing synthetic hormones. D) Creating ethanol fuel from corn. Show Answer Correct Answer: C) Producing synthetic hormones. 11. Water like substance in a cell that surrounds the cell parts and transports chemical and nutrients withing the cell? A) Cytoplasm. B) Nucleus. C) Chloride. D) Gel. Show Answer Correct Answer: A) Cytoplasm. 12. Genes control heredity characteristics. They can be found as a small section of a(an): A) Computer. B) Chromosome. C) Enzyme. D) Protein. Show Answer Correct Answer: B) Chromosome. 13. What enzyme joins the ends of two strands of nucleic acid? A) Polymerase. B) Synthetase. C) Ligase. D) Helicase. Show Answer Correct Answer: C) Ligase. 14. What is one benefit of giving farm animals vaccines? A) It kills insects that attack farm animals. B) It reduces the cost of farm animals. C) It produces healthier farm animals. D) None of above. Show Answer Correct Answer: C) It produces healthier farm animals. 15. Which type of bioengineered foods might provide consumers with a healthier diet? A) Foods lower in saturated fats. B) Foods higher in simple starches. C) Foods that do not need to be refrigerated. D) Foods with large amounts of preservatives. Show Answer Correct Answer: A) Foods lower in saturated fats. 16. Which of the following techniques separates molecules based on size to help match DNA samples from crime scenes? A) Gel electrophoresis. B) Gene therapy. C) Cloning. D) Creating transgenic organisms. Show Answer Correct Answer: A) Gel electrophoresis. 17. What is the biggest benefit for biotechnologies being researched in North Carolina? A) More animals are modified in NC. B) Less farms in NC. C) Fewer scientists move to NC. D) More jobs move to NC. Show Answer Correct Answer: D) More jobs move to NC. 18. Which field of science is most likely responsible for developing techniques to help a patient who has third-degree burns? A) Biotechnology. B) Botany. C) Ecology. D) Virology. Show Answer Correct Answer: A) Biotechnology. 19. Which question may be asked and researched by someone who is arguing against the use of genetically modified crops? A) Will the prices of crops increase because the seeds for genetically modified crops are more expensive and this may drive small farmers out of business?. B) Have genetically modified crops allowed farmers to save money on insecticides and pesticides?. C) Will genetically modified crops reduce the amount of land and energy used by farms because they have high yields?. D) Have genetically modified crops shown improvements in nutrition for consumers compared to non-genetically modified crops?. Show Answer Correct Answer: A) Will the prices of crops increase because the seeds for genetically modified crops are more expensive and this may drive small farmers out of business?. 20. Rice does not provide enough of certain vitamins. How could biotechnology be used to change this? A) Using a high nitrogen fertilzer. B) Using herbicide to get rid of weeds. C) Genetic modification of rice plants that are pest resistant and to produce vitamins they cannot make without biotechnology. D) Using pesticide to get rid of pests that can harm the crop. Show Answer Correct Answer: C) Genetic modification of rice plants that are pest resistant and to produce vitamins they cannot make without biotechnology. ← PreviousNext →Related QuizzesPlant Biotechnology Quiz 1Plant Biotechnology Quiz 2Plant Biotechnology Quiz 3Plant Biotechnology Quiz 4Plant Biotechnology Quiz 5Plant Biotechnology Quiz 6Plant Biotechnology Quiz 7Plant Biotechnology Quiz 8Plant Biotechnology Quiz 9Plant Biotechnology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books