This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A molecule containing DNA from two different organisms is called A) A plasmid. B) A polyploid. C) Recombinant DNA. D) None of above. Show Answer Correct Answer: C) Recombinant DNA. 2. What type of organism was the first to be successfully modified via the techniques of genetic engineering? A) Bacteria. B) Mouse. C) Plant. D) Virus. Show Answer Correct Answer: A) Bacteria. 3. The process by which pieces of DNA are transfered from one organism to another. A) Gene Therapy. B) Genetic Engineering. C) Chromosomal Mutation. D) Bitotechnology. Show Answer Correct Answer: B) Genetic Engineering. 4. What is the purpose of genetically modifying tomatoes, potatoes, squash, and papaya? A) To make them resistant to pests. B) To make them resistant to diseases. C) To reduce the need for chemicals. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. What is the main application of genetic engineering involving pesticide resistant plants? A) To dissolve blood clots. B) To produce human insulin. C) To clean up toxic waste. D) To make plants produce their own pesticide. Show Answer Correct Answer: D) To make plants produce their own pesticide. 6. Which of the following is NOT needed for PCR? A) DNA ligase. B) Primers. C) Free nucleotides. D) DNA polymerase. Show Answer Correct Answer: A) DNA ligase. 7. What are early form of cells that can develop into many different types of cells and tissues? A) Gene mutations. B) Stem cells. C) Somatic cells. D) Germ cells. Show Answer Correct Answer: B) Stem cells. 8. Which chemicals are used to cut DNA into fragments for a gel electrophoresis procedure? A) Enzymes. B) Molecular bases. C) Hormones. D) ATP molecules. Show Answer Correct Answer: A) Enzymes. 9. What does the following word part mean:Troph A) To eat/consume. B) To swallow/devour. C) To make. D) Heat. Show Answer Correct Answer: A) To eat/consume. 10. The Animal Functional Genomics Laboratory at Mississippi State University is researching the DNA of bacterial diseases that affect catfish. Why might the lab's research be considered controversial? A) The bacteria could mutate and possibly affect humans. B) The taste of the catfish could be affected. C) The cost of farming fish could increase. D) The laboratory could pollute the environment. Show Answer Correct Answer: A) The bacteria could mutate and possibly affect humans. 11. What vitamin does golden rice help synthesize in the body? A) Vitamin C. B) Vitamin D. C) Vitamin B12. D) Vitamin A. Show Answer Correct Answer: D) Vitamin A. 12. 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. 13. 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) Extinction. B) Overproduction. C) Artificial Selection. D) Natural Selection. Show Answer Correct Answer: D) Natural Selection. 14. 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. 15. 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. 16. 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. 17. What is the disease that can be treated by using goat as a transgenic organism which bring gene for blood clotting factor? A) Anemia. B) Haemophilia. C) Thalassemia. D) Down Syndrome. Show Answer Correct Answer: B) Haemophilia. 18. 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. 19. Which of the following is not a genetic engineering technique? A) Cloning. B) Gel Electrophoresis. C) Gene Splicing. D) RECOMBINANT GENES. Show Answer Correct Answer: D) RECOMBINANT GENES. 20. A biologist selected and cut the gene of interest from a donor cell. What step in genetic engineering did he perform? A) Isolation. B) Ligation. C) Host Introduction. D) Cleavage. Show Answer Correct Answer: D) Cleavage. ← PreviousNext →Related QuizzesBiotechnology QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 3Genetic 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