This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 38 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which would NOT be a reason to use GM crops? A) Using GM crops can increase crop yields. B) Using GM crops can reduce use of insecticide sprays. C) Using GM crops may be able to feed more people faster. D) Using GM crops can increase pesticide resistance in pests. Show Answer Correct Answer: D) Using GM crops can increase pesticide resistance in pests. 2. A mutation A) Is always bad for an organism. B) Is always good for an organism. C) Is a change in an organism's DNA. D) Never changes an organism. Show Answer Correct Answer: C) Is a change in an organism's DNA. 3. Which of the following correctly defines the term "genetic engineering" ? A) ◦Changing the genetic sequence of a DNA strand so that a particular trait is produced. B) ◦Leaving the modification of DNA in nature's hands. C) ◦Identifying the genome of plants. D) ◦A trait that shows even in the presence of its recessive form. Show Answer Correct Answer: A) ◦Changing the genetic sequence of a DNA strand so that a particular trait is produced. 4. Restriction enzymes cut DNA molecules A) Into individual proteins. B) At a random location. C) At short sequences specific to each type of enzyme. D) Into equal-sized pieces. Show Answer Correct Answer: C) At short sequences specific to each type of enzyme. 5. Structures that are very different in structure or anatomy but have similar functions such as the wings of a bird and a butterfly. Does not show evidence of evolution. A) Vestigial Structures. B) Homologous Structures. C) Analogous Structures. D) Cladogram. Show Answer Correct Answer: C) Analogous Structures. 6. Produces the desired traits in dogs, cats, horses and cattle. A) Selective breeding. B) Recombinant DNA. C) Cloning. D) Mutations. Show Answer Correct Answer: A) Selective breeding. 7. What type of graph do we use for discontinuous variation? A) A bell-shape. B) Bar chart. C) Line graph. D) Scatter Graph. Show Answer Correct Answer: B) Bar chart. 8. Cotton designed to resist pests and pesticides. A) Genetic engineering. B) Cloning. Show Answer Correct Answer: A) Genetic engineering. 9. Which organisms have been selectively bred? A) Dogs, cats, and livestock animals. B) Fish that glow under a black light. C) Bacteria that produce insulin. D) T-cells that can attack and destroy cancer cells. Show Answer Correct Answer: A) Dogs, cats, and livestock animals. 10. Which answer shows a gene sequence that has undergone a substitution mutation. The normal sequence is ACTTTTGCAACTTCA A) ACTTTTTGCAACTTCA. B) ACTTTGCAACTTCA. C) ACTTTTCCAACTTCA. D) ACTTTTGCAACTTCA. Show Answer Correct Answer: C) ACTTTTCCAACTTCA. 11. What is inbreeding? A) Breeding an organism with a known genotype with an unknown genotype and using the offspring to determine the unknown. B) Breeding 2 closely related organisms. C) Breeding organisms to create hybrids. D) A process of selecting desired traits to be passed on to offspring. Show Answer Correct Answer: B) Breeding 2 closely related organisms. 12. A technique for making millions of copies of a specific region of DNA A) DNA ligase. B) Restriction enzymes. C) Gel electrophoresis. D) Polymerase chain reaction. Show Answer Correct Answer: D) Polymerase chain reaction. 13. In the process of cloning eukaryotic DNA into prokaryotic cells, the role of reverse transcriptase is to make A) Double-stranded eukaryotic cDNA from mature mRNA. B) Mature mRNA from precursor mRNA. C) Bacterial DNA from eukaryotic DNA. D) MRNA from DNA. Show Answer Correct Answer: A) Double-stranded eukaryotic cDNA from mature mRNA. 14. Reasons for the controversy of GMO are A) The use of chemicals will increase if insects catch up with GMOs. B) Some corporations could dominate the entire food industry. C) Modified crops could contamine nearby organics. D) All of these. Show Answer Correct Answer: D) All of these. 15. In artificial selection, which organisms would likely to survive? A) Organisms that possess ordinary genes. B) Organisms with desirable traits. C) Organisms that are unique but few. D) Organisms with traits that resemble their parent. Show Answer Correct Answer: B) Organisms with desirable traits. 16. Only animals can be used for selective breeding. A) True. B) False. Show Answer Correct Answer: B) False. 17. To amplify (create more) DNA, which process is used? A) Gel Electrophorisis. B) Cloning. C) Polymerase Chain Reaction (PCR). D) Transgenic Process. Show Answer Correct Answer: C) Polymerase Chain Reaction (PCR). 18. Bacteria often contain small circular molecules of DNA known as ..... A) Clones. B) Mutagens. C) Plasmids. D) Hybrids. Show Answer Correct Answer: C) Plasmids. 19. Transgenic Animals have not been used to study genes and to improve the food supply A) True. B) False. Show Answer Correct Answer: B) False. 20. Which two processes are required for the technique shown to produce replacement hormones successfully? A) Replication of DNA in bacterial cells and cell division. B) Replication of DNA in bacterial cells and gamete formation. C) Meiosis and development. D) Mitosis and fertilization. Show Answer Correct Answer: A) Replication of DNA in bacterial cells and cell division. ← PreviousNext →Related QuizzesBiotechnology QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8Genetic Engineering Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books