This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is a small, often circular DNA molecule found in bacteria and other cells. A) Chromosome. B) Plasmid. C) Nucleus. D) Ribosome. Show Answer Correct Answer: B) Plasmid. 2. What word describes all the DNA in an organism? A) Genome. B) Gene. C) Alleles. D) DNA. Show Answer Correct Answer: A) Genome. 3. What would be the cheapest way to screen for successfully transformed Mi-1.2 plants? A) Use a fluorescent reporter gene-transformed plants will glow. B) DNA sequencing. C) Grow the transformed plant cells and then expose them to aphids. D) None of above. Show Answer Correct Answer: C) Grow the transformed plant cells and then expose them to aphids. 4. Homologous end joining follows A) Homologous recombination mechanism. B) Non-Homologous recombination mechanism. C) Site specific recombinations. D) All of these. Show Answer Correct Answer: A) Homologous recombination mechanism. 5. The process of manipulating an organism's DNA for the benefit of humankind and society is called ..... A) Chemical engineering. B) Civil engineering. C) Genetic engineering. D) Electrical engineering. Show Answer Correct Answer: C) Genetic engineering. 6. What is the technology used to create genetically modified fish? A) Selective breeding. B) Transgenics. C) Genetic modification. D) Cloning. Show Answer Correct Answer: C) Genetic modification. 7. What is used to ensure the bacteria transformed with the gene for antiobiotic resistance as only the transformed bacteria will grow on this medium? A) Ampicillin. B) Arabinose. C) LB. D) GFP. Show Answer Correct Answer: A) Ampicillin. 8. What is the importance of cos sites in cosmids? A) To make cosmids infectious. B) To make cosmids competent. C) Allow DNA to be packaged inside lambda phage heads. D) Permit replication as plasmid in bacteria. Show Answer Correct Answer: C) Allow DNA to be packaged inside lambda phage heads. 9. Transgenic organisms ..... A) Create identical copies through the process of mitosis. B) Have only 1 type of DNA in their genome. C) Are clones. D) Combine DNA from two different species. Show Answer Correct Answer: D) Combine DNA from two different species. 10. What is recombinant DNA? A) Combining DNA from different sources. B) Chain reaction. C) Gel electrophoresis. D) Genetic engineering. Show Answer Correct Answer: A) Combining DNA from different sources. 11. What is the enzyme that helps attach the sugar phosphate backbones of DNA fragments in genetic engineering? A) Plasmid. B) Ligase. C) Restriction enzyme. D) Recombinant DNA. Show Answer Correct Answer: B) Ligase. 12. The process of DNA replication is called semi conservative because it results in A) None of these. B) Two DNA molecules. One original molecule and one with two new strands. C) Two exact copies with new strands. D) Two DNA molecules, each with 1 original strand and one new. Show Answer Correct Answer: D) Two DNA molecules, each with 1 original strand and one new. 13. Organisms that contain genes from other organisms are called ..... A) Transgenic. B) Mutagenic. C) Donor Organisms. D) Cloned Organisms. Show Answer Correct Answer: A) Transgenic. 14. Stem cells are used to ..... A) Make clones. B) Create new species of animals. C) Make babies. D) Grow different types of tissues. Show Answer Correct Answer: D) Grow different types of tissues. 15. What is the reason for adding an electric current to the cell during cloning of a mammal cell. A) To allow the egg cell to become enucleated. B) Stimulates cell division by meiosis. C) To allow the nucleus to fuse and stimulates mitosis. D) Becuase it's fun. Show Answer Correct Answer: C) To allow the nucleus to fuse and stimulates mitosis. 16. Extra circular piece of DNA found in bacteria. A) Plasmid. B) PCR. C) Transgenic. D) Recombinant DNA. Show Answer Correct Answer: A) Plasmid. 17. In which way(s) can genetic engineering improve crops? A) Make them pest or drought resistant. B) Make them more nutritious. C) Make them larger. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 18. The desired gene or trait is found within that species genome. A) Selective breeding. B) Genetic engineering. C) Both. D) None of above. Show Answer Correct Answer: A) Selective breeding. 19. What is used to cut DNA and plasmids in the process of recombinant DNA? A) DNA Ligase. B) Restriction Enzymes. C) PCR. D) Acids. Show Answer Correct Answer: B) Restriction Enzymes. 20. What is the ultimate source of genetic diversity A) Asexual reproduction. B) Mitosis. C) Mutation. D) Inbreeding. Show Answer Correct Answer: C) Mutation. ← PreviousNext →Related QuizzesBiotechnology QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8Genetic Engineering Quiz 9Genetic Engineering Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books