This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering â Quiz 42 ð Homepage ð Download PDF Books ð Premium PDF Books Genetic Engineering Quiz 42 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following illustrates classical breeding? A) A farmer choose a breed of a cow of greater milk production. B) The use of bacteria to produce human insulin. C) The insertion of cloned genes to plant cells. D) All of the above. Show Answer Correct Answer: A) A farmer choose a breed of a cow of greater milk production. 2. After finding the location of a gene, how can a scientist take it out of a cell? A) Using PCR. B) Using enzymes. C) Using a microscope. D) Using scissors. Show Answer Correct Answer: B) Using enzymes. 3. An example of a mutation where a piece of chromosome breaks off and attaches to another chromosome is called ..... A) Inversion. B) Deletion. C) Trisomy. D) Translocation. Show Answer Correct Answer: D) Translocation. 4. Which PCR step causes the denaturation of double-stranded DNA? A) Repeat the cycle of heating and cooling. B) Add primers. C) Heat target DNA to 94 degrees Celsius. D) Cool DNA to between 50 degrees and 65 degrees Celsius. Show Answer Correct Answer: C) Heat target DNA to 94 degrees Celsius. 5. Locates relative positions on a DNA molecule of the recognition sequence for the restriction endonucleases A) SAGE. B) Restriction Mapping. C) TOGA. D) FISH. Show Answer Correct Answer: B) Restriction Mapping. 6. Which seems like an example of genetically modified organism? A) Grass that can grow fast. B) Puppies that can glow in the dark. C) Turtles that can move fast. D) Cows that can produce a lot of milk. Show Answer Correct Answer: B) Puppies that can glow in the dark. 7. Animals that eat the primary consumers A) Producer Consumers. B) Primary Consumers. C) Secondary Consumers. D) Commercial Consumers. Show Answer Correct Answer: C) Secondary Consumers. 8. Which statement does not apply to the traits present in a population as a result of artificial selection? A) Traits are desirable to humans. B) Traits may not increase chance of survival or reproduction. C) Traits are different than when environmental factors are the selective pressure. D) Traits are present only in the phenotype and not in the genotype of the population. Show Answer Correct Answer: D) Traits are present only in the phenotype and not in the genotype of the population. 9. How does genetic engineering affect social and economic aspects? A) Genetic engineering can have both positive and negative impacts on social and economic aspects. B) Genetic engineering has no impact on social and economic aspects. C) Genetic engineering only has positive impacts on social and economic aspects. D) Genetic engineering only has negative impacts on social and economic aspects. Show Answer Correct Answer: A) Genetic engineering can have both positive and negative impacts on social and economic aspects. 10. Does a reason have to be given to withdraw from a study A) No. B) Yes. Show Answer Correct Answer: A) No. 11. Discuss the ethical considerations surrounding the use of genetic engineering in agriculture. A) There are no ethical concerns related to genetic engineering in agriculture. B) Genetic engineering has no impact on the environment or human health. C) Potential environmental impacts, effects on biodiversity, and concerns about the long-term effects on human health. D) The benefits of genetic engineering in agriculture outweigh any potential negative impacts. Show Answer Correct Answer: C) Potential environmental impacts, effects on biodiversity, and concerns about the long-term effects on human health. 12. This one cuts specific sequence of DNA in recombinant DNA A) Transfer Vectors. B) DNA ligases. C) Restriction enzymes. D) None of above. Show Answer Correct Answer: C) Restriction enzymes. 13. Identify the false statement:an ideal plasmid vector must ..... A) Have multiple target sites for one restriction enzyme. B) Have single target site for diffferent restriction enzymes. C) Have a promoter sequence. D) Have low molecular mass. Show Answer Correct Answer: B) Have single target site for diffferent restriction enzymes. 14. An enzyme that cut DNA molecules at a specific "recognition site" is called A) Taq polymerase. B) DNA polymerase. C) RNA polymerase. D) Restriction enzyme. Show Answer Correct Answer: D) Restriction enzyme. 15. What is the purpose of genetically modified fish? A) To create fish without feathers. B) To create fish with double muscles. C) To create fish with glowing skin. D) To create fish that grow extra fast. Show Answer Correct Answer: D) To create fish that grow extra fast. 16. Are viruses considered living organisms? A) Yes. B) No. C) Partially. D) It depends on the type of virus. Show Answer Correct Answer: B) No. 17. Which one is Genetic Engineering? A) Humans artificially Select which animals Breed to get the best possible offspring. B) Transferring a gene responsible for desirable characteristics from one organism to another. Show Answer Correct Answer: B) Transferring a gene responsible for desirable characteristics from one organism to another. 18. The types of stem cells are A) Only Embryonic because they are the type that function well. B) Embryonic, adult and pluripotent. C) Adult, zygote, and potent. D) Embryonic, zygotic, and adult. Show Answer Correct Answer: B) Embryonic, adult and pluripotent. 19. Genetic engineering is also called as genetic modification. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 20. In pea plants purple flowers (P) are dominant to white (p) flowers. What are the parent genotypes needed to produce 100% white flowers? A) Pp x Pp. B) PP x PP. C) PP x pp. D) Pp. x pp. Show Answer Correct Answer: D) Pp. x pp. 21. Two kittens in a litter are genetically different from each other and from their parents. These genetic differences are most directly due to A) Sexual reproduction. B) Evolution. C) Cloning. D) Asexual reproduction. Show Answer Correct Answer: A) Sexual reproduction. 22. When twomodified mosquitoes mate with each other, the female offspring becomes infertile. A) False. B) True. Show Answer Correct Answer: B) True. 23. Which enzyme helps fuse the foreign into the new DNA? A) DNA ligase. B) DNA Polymerase. Show Answer Correct Answer: A) DNA ligase. 24. CRISPR acts naturally in bacteria to A) Make ATP. B) Kill viruses. C) Reproduce by binary fission. D) Make new copies of DNA. Show Answer Correct Answer: B) Kill viruses. 25. What are knockout animals? A) Animals that are infected with different diseases. B) Animals that can easily be produced in large numbers. C) Animals that have been used in research for many generations. D) Animals in which a gene has been deleted from the genome. Show Answer Correct Answer: D) Animals in which a gene has been deleted from the genome. 26. Genetic markers allow scientists to A) Clone animals. B) Separate strands of DNA. C) Synthesize antibiotics. D) Identify transfromed cells. Show Answer Correct Answer: D) Identify transfromed cells. 27. What is the purpose of the Polymerase Chain Reaction (PCR)? A) To obtain artificial DNA. B) To alter the genetic code. C) To generate recombinant DNA. D) To obtain numerous copies of a DNA molecule. Show Answer Correct Answer: D) To obtain numerous copies of a DNA molecule. 28. What process is used to allow organisms (plants/animals) with desired characteristics to produce the next generation? A) Selective Breeding. B) Inbreeding. C) Hybridization. D) Generation Time. Show Answer Correct Answer: A) Selective Breeding. 29. Increasing the amount of (identical) DNA can be done by A) Clone the DNA into a plasmid. and then transferred into cells. B) āļāļēāļĢāļāļģ Polymerase Chain Reaction. C) Both are correct. D) Both points are wrong. Show Answer Correct Answer: C) Both are correct. 30. What are transgenic organisms? A) Organisms that contain genes from a different species. B) Organisms that have undergone natural genetic mutations. C) Organisms that have been selectively bred for specific traits. D) Organisms that are resistant to genetic modification. Show Answer Correct Answer: A) Organisms that contain genes from a different species. â PreviousNext âRelated QuizzesBiotechnology QuizzesAgriculture QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8 ð Back to Homepage ð Download PDF Books ð Premium PDF Books