This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What vitamin does golden rice help synthesize in the body? A) Vitamin C. B) Vitamin B12. C) Vitamin D. D) Vitamin A. Show Answer Correct Answer: D) Vitamin A. 2. Scientists in Zoos have selectively bred white tigers to keep them the same color. This has resulted in excessive inbreeding. White Tigers in Zoos are now more likely to be born with birth defects. A) Harmful. B) Beneficial. C) Neither. D) None of above. Show Answer Correct Answer: A) Harmful. 3. Theory that explains how traits that help a species survive become more common in a population and traits that are less helpful become less common. A) Artificial Selection. B) Natural Selection. C) Overproduction. D) Extinction. Show Answer Correct Answer: B) Natural Selection. 4. What are the three base segments of mRNA called? A) Anticodons. B) Codons. C) Triplets. D) None of above. Show Answer Correct Answer: B) Codons. 5. What are the key steps involved in plasmid DNA isolation? A) Cell lysis, removal of proteins and RNA, and precipitation of DNA. B) DNA synthesis, cell lysis, and removal of RNA. C) Protein precipitation, DNA purification, and cell lysis. D) Cell lysis, purification of proteins, and degradation of DNA. Show Answer Correct Answer: A) Cell lysis, removal of proteins and RNA, and precipitation of DNA. 6. Confidentiality of a participant is best exemplified in which of the following actions? A) Asking the participant to write his or her name in the questionnaire. B) Not mentioning his or her name in the Participants of the Study section. C) Introducing himself or herself in an interview. D) Taking his or her picture and placing it in the appendix. Show Answer Correct Answer: B) Not mentioning his or her name in the Participants of the Study section. 7. What is the disease that can be treated by using goat as a transgenic organism which bring gene for blood clotting factor? A) Thalassemia. B) Down Syndrome. C) Haemophilia. D) Anemia. Show Answer Correct Answer: C) Haemophilia. 8. A small ring of DNA found in bacterial cell that is used as a biological vector. A) Plasmid. B) Recombinant DNA. C) Human insulin. D) None of above. Show Answer Correct Answer: A) Plasmid. 9. Which of the following is not a genetic engineering technique? A) Gel Electrophoresis. B) Gene Splicing. C) RECOMBINANT GENES. D) Cloning. Show Answer Correct Answer: C) RECOMBINANT GENES. 10. A biologist selected and cut the gene of interest from a donor cell. What step in genetic engineering did he perform? A) Isolation. B) Host Introduction. C) Cleavage. D) Ligation. Show Answer Correct Answer: C) Cleavage. 11. Is a small, often circular DNA molecule found in bacteria and other cells. A) Ribosome. B) Nucleus. C) Chromosome. D) Plasmid. Show Answer Correct Answer: D) Plasmid. 12. What word describes all the DNA in an organism? A) Genome. B) Gene. C) Alleles. D) DNA. Show Answer Correct Answer: A) Genome. 13. 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. 14. 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. 15. The process of manipulating an organism's DNA for the benefit of humankind and society is called ..... A) Chemical engineering. B) Civil engineering. C) Electrical engineering. D) Genetic engineering. Show Answer Correct Answer: D) Genetic engineering. 16. What is the technology used to create genetically modified fish? A) Cloning. B) Genetic modification. C) Transgenics. D) Selective breeding. Show Answer Correct Answer: B) Genetic modification. 17. 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) GFP. B) LB. C) Ampicillin. D) Arabinose. Show Answer Correct Answer: C) Ampicillin. 18. 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. 19. Transgenic organisms ..... A) Are clones. B) Create identical copies through the process of mitosis. C) Have only 1 type of DNA in their genome. D) Combine DNA from two different species. Show Answer Correct Answer: D) Combine DNA from two different species. 20. What is recombinant DNA? A) Chain reaction. B) Genetic engineering. C) Combining DNA from different sources. D) Gel electrophoresis. Show Answer Correct Answer: C) Combining DNA from different sources. 21. What is the enzyme that helps attach the sugar phosphate backbones of DNA fragments in genetic engineering? A) Recombinant DNA. B) Restriction enzyme. C) Plasmid. D) Ligase. Show Answer Correct Answer: D) Ligase. 22. 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. 23. Organisms that contain genes from other organisms are called ..... A) Donor Organisms. B) Transgenic. C) Cloned Organisms. D) Mutagenic. Show Answer Correct Answer: B) Transgenic. 24. Stem cells are used to ..... A) Grow different types of tissues. B) Create new species of animals. C) Make babies. D) Make clones. Show Answer Correct Answer: A) Grow different types of tissues. 25. 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. 26. Extra circular piece of DNA found in bacteria. A) Plasmid. B) Transgenic. C) Recombinant DNA. D) PCR. Show Answer Correct Answer: A) Plasmid. 27. 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. 28. 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. 29. What is used to cut DNA and plasmids in the process of recombinant DNA? A) DNA Ligase. B) Acids. C) Restriction Enzymes. D) PCR. Show Answer Correct Answer: C) Restriction Enzymes. 30. 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 QuizzesAgriculture QuizzesGenetic Engineering Quiz 1Genetic 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