This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 125 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 125 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Insertion, deletion, and substitution are all examples of a change in a genetic sequence which is also referred to as (a) A) Gene. B) Amino Acid. C) Ribose. D) Mutation. Show Answer Correct Answer: D) Mutation. 2. Enzymes that cut DNA molecules at specific places A) Are restriction enzymes. B) Work only on bacterial DNA. Show Answer Correct Answer: A) Are restriction enzymes. 3. Is the basic physical unit of inheritance. A) DNA. B) Chromosome. C) Gene. D) Plasmid. Show Answer Correct Answer: C) Gene. 4. Bacteria also may contain extra DNA (extra, as in, NOT part of their one chromosome) in the form of ..... even smaller circular pieces of DNA. A) Enzymes. B) Nucleotides. C) Centromeres. D) Plasmids. Show Answer Correct Answer: D) Plasmids. 5. If a single nucleotide base is added or deleted the entire reading frame will? A) Shift, causing a frameshift mutation. B) Move, causing a delection. C) Move, causing an addition. D) Shift, causing a deletion. Show Answer Correct Answer: A) Shift, causing a frameshift mutation. 6. It is when tiny segments of a gene are taken out and replaced by different genes A) Genetic Engineering. B) Transgenic Organisms. C) Cutting. D) Gene Splicing. Show Answer Correct Answer: D) Gene Splicing. 7. The purpose of ethical guidelines are A) To ensure participants are safe. B) To ensure participants are paid for their time. C) To ensure the study gets valid responses. D) To ensure researchers do what they like. Show Answer Correct Answer: A) To ensure participants are safe. 8. Most currently available GMO foods are A) Plants. B) Animal. C) Drinks. D) Nutrition. Show Answer Correct Answer: A) Plants. 9. The hybridization between the sense and antisense mRNAs renders the mRNA ..... A) Effective. B) Ineffective. C) Very effective. D) None of thes. Show Answer Correct Answer: B) Ineffective. 10. What is one reason why people are against genetic engineering? A) There is a high risk of failure. B) It has a 100% success rate. C) People do not like dogs. D) None of above. Show Answer Correct Answer: A) There is a high risk of failure. 11. What is the process of separating DNA fragments by size for comparison purposes? A) Bacterial transformation. B) Gene therapy. C) Gel electrophoresis. D) Cloning. Show Answer Correct Answer: C) Gel electrophoresis. 12. Human cloning is considered completely ethical and legal all around the world. A) True. B) False. Show Answer Correct Answer: B) False. 13. Which of the following is not a transgenic organism? A) A bacterium that makes human insulin. B) A gene knockout mouse that has a specific gene turned off. C) A mouse that glows. D) A strawberry plant that is resistant to frost damage. Show Answer Correct Answer: B) A gene knockout mouse that has a specific gene turned off. 14. Crops are often genetically engineered for improved traits. Such crops and organisms are called: A) Genetically modified organisms. B) Clones. C) Transformed. D) Nutritionally improved. Show Answer Correct Answer: A) Genetically modified organisms. 15. What is bacterial transformation? A) When bacterial DNA has new genes added to it. B) When bacterial DNA turns into RNA. C) When bacterial DNA is dissolved by scientists. D) When bacterial DNA combines with a virus' DNA. Show Answer Correct Answer: A) When bacterial DNA has new genes added to it. 16. Can biotech foods cause allergic reactions in some people? A) Yes, but only if people eat large quantities of the biotech food. B) Yes, if the biotech food contains a gene from a food known to cause an allergic reaction. C) No. All biotech foods are hypoallergenic. D) No, because food allergies are psychological and not physical. Show Answer Correct Answer: B) Yes, if the biotech food contains a gene from a food known to cause an allergic reaction. 17. Which of the following tools allows researchers to make highly specific changes in an organism's DNA? A) Gene editing. B) Transformation. C) Cloning. D) Hybridisation. Show Answer Correct Answer: A) Gene editing. 18. Arabinose is used in the plates to A) Isolate and select for only the bacteria that have been successfully transformed. B) Give bacteria energy to grow. C) Act as a trigger to turn on the expression of the gene of interest. D) Give the bacteria a new trait (such as fluorescence or insulin production). Show Answer Correct Answer: C) Act as a trigger to turn on the expression of the gene of interest. 19. The small circular genes in bacteria. A) Plasmids. B) DNA. C) RNA. D) Chromosomes. Show Answer Correct Answer: A) Plasmids. 20. The diagram is showing which procedure? A) Amniocentesis. B) Chorionic villus sampling. C) IVF. D) None of above. Show Answer Correct Answer: A) Amniocentesis. ← PreviousNext →Related QuizzesBiotechnology 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books