This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering â Quiz 64 ð Homepage ð Download PDF Books ð Premium PDF Books Genetic Engineering Quiz 64 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Identify the false statement:an ideal plasmid vector must ..... A) Have single target site for diffferent restriction enzymes. B) Have multiple target sites for one restriction enzyme. C) Have low molecular mass. D) Have a promoter sequence. Show Answer Correct Answer: A) Have single target site for diffferent restriction enzymes. 3. An enzyme that cut DNA molecules at a specific "recognition site" is called A) Restriction enzyme. B) DNA polymerase. C) RNA polymerase. D) Taq polymerase. Show Answer Correct Answer: A) Restriction enzyme. 4. What is the purpose of genetically modified fish? A) To create fish with double muscles. B) To create fish with glowing skin. C) To create fish without feathers. D) To create fish that grow extra fast. Show Answer Correct Answer: D) To create fish that grow extra fast. 5. 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. 6. 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. 7. 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. 8. Genetic engineering is also called as genetic modification. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 9. 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. 10. 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) Asexual reproduction. C) Cloning. D) Evolution. Show Answer Correct Answer: A) Sexual reproduction. 11. When twomodified mosquitoes mate with each other, the female offspring becomes infertile. A) True. B) False. Show Answer Correct Answer: A) True. 12. Which enzyme helps fuse the foreign into the new DNA? A) DNA Polymerase. B) DNA ligase. Show Answer Correct Answer: B) DNA ligase. 13. CRISPR acts naturally in bacteria to A) Kill viruses. B) Reproduce by binary fission. C) Make new copies of DNA. D) Make ATP. Show Answer Correct Answer: A) Kill viruses. 14. What are knockout animals? A) Animals that are infected with different diseases. B) Animals in which a gene has been deleted from the genome. C) Animals that can easily be produced in large numbers. D) Animals that have been used in research for many generations. Show Answer Correct Answer: B) Animals in which a gene has been deleted from the genome. 15. 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. 16. What is the purpose of the Polymerase Chain Reaction (PCR)? A) To generate recombinant DNA. B) To alter the genetic code. C) To obtain numerous copies of a DNA molecule. D) To obtain artificial DNA. Show Answer Correct Answer: C) To obtain numerous copies of a DNA molecule. 17. What process is used to allow organisms (plants/animals) with desired characteristics to produce the next generation? A) Selective Breeding. B) Hybridization. C) Generation Time. D) Inbreeding. Show Answer Correct Answer: A) Selective Breeding. 18. 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. 19. What are transgenic organisms? A) Organisms that have been selectively bred for specific traits. B) Organisms that are resistant to genetic modification. C) Organisms that contain genes from a different species. D) Organisms that have undergone natural genetic mutations. Show Answer Correct Answer: C) Organisms that contain genes from a different species. 20. Solution that shows the presence of certain substances A) Benedicts. B) Lugol. C) Indicator. D) Solution. Show Answer Correct Answer: C) Indicator. â PreviousNext âRelated 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 9Genetic Engineering Quiz 10 ð Back to Homepage ð Download PDF Books ð Premium PDF Books