This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 21 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the purpose of plasmid DNA isolation in molecular cloning? A) To study the structure of plasmid DNA. B) To create a new species of bacteria. C) To obtain pure plasmid DNA for use in molecular cloning techniques. D) To use as a food additive. Show Answer Correct Answer: C) To obtain pure plasmid DNA for use in molecular cloning techniques. 2. Which of the following is a key tool used in genetic engineering? A) Vitamins. B) Enzymes. C) Proteins. D) Bacteria. E) Hormones. Show Answer Correct Answer: B) Enzymes. 3. To join two fragments of DNA together, they must have complementary sticky ends and therefore, they must be cut using ..... restriction enzyme. A) Different. B) The same. Show Answer Correct Answer: B) The same. 4. What are genetically modified organisms (GMOs) and how are they created? A) Organisms whose genetic material has been altered using genetic engineering techniques. B) Organisms that have been altered using chemical pesticides. C) Organisms that have evolved naturally over time. D) Organisms that have been created through selective breeding. Show Answer Correct Answer: A) Organisms whose genetic material has been altered using genetic engineering techniques. 5. A method for getting plasmid DNA into bacterial cells A) Cloning. B) Transformation. C) Shock. D) Restriction enzymes. Show Answer Correct Answer: B) Transformation. 6. The complete set of genetic information that an organism carries is called a A) Genome. B) DNA. C) Plasmid. D) Gene. Show Answer Correct Answer: A) Genome. 7. An inability to adapt to environmental changes can lead to death of all members of a species. This is called ..... A) Extinction. B) Expatriation. C) Examination. D) Extermination. Show Answer Correct Answer: A) Extinction. 8. During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus. A) TRNA. B) RRNA. C) MRNA. D) DRNA. Show Answer Correct Answer: C) MRNA. 9. What is used to 'cut' the bacterial plasmid open? A) Ribosomes. B) Genes. C) Enzymes. D) Chromosomes. Show Answer Correct Answer: C) Enzymes. 10. Adding or deleting segments of genes to correct or get rid of genetic disorders. A) Stem Cell Therapy. B) Genetic Screening. C) Gene Therapy. D) Gene Splicing. Show Answer Correct Answer: C) Gene Therapy. 11. If Chargaff found that a sample of DNA has 20% ADENINE, how much GUANINE would he have determined to be there? A) 60%. B) 80%. C) 20%. D) 30%. Show Answer Correct Answer: D) 30%. 12. All of the following are advantages of GMO's except A) Unknown long term health effects. B) Creating more human insulin. C) Pest resistant crops. D) More nutritional foods. Show Answer Correct Answer: A) Unknown long term health effects. 13. Copies of the normal clotting factor gene are introduced into the cells of human male who have the mutant version of the gene. A) Pharmaceuticals. B) Gene Therapy. C) Genetic Testing. D) Agriculture. E) Bioremediation. Show Answer Correct Answer: B) Gene Therapy. 14. Used to build matching nucleotides in PCR A) Buffer. B) DNA. C) Taq Polymerase. D) Ligase. Show Answer Correct Answer: C) Taq Polymerase. 15. In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species? A) R. B) RR or Rr. C) Rr. D) RR. Show Answer Correct Answer: B) RR or Rr. 16. Factors that control traits are A) Purebreds. B) Parents. C) Recessives. D) Genes. Show Answer Correct Answer: D) Genes. 17. The multiple cloning site contains ..... that allow easy insertion of genes and other DNA sequences into a plasmid. A) Promoters. B) Nucleotide pairs. C) Restriction enzymes. D) Restriction sites. E) Chromosomes. Show Answer Correct Answer: D) Restriction sites. 18. Organisms containing DNA from a foreign donor A) Plasmid. B) Clones. C) Transgenic organisms. D) None of above. Show Answer Correct Answer: C) Transgenic organisms. 19. How are genetically modified organisms regulated? A) Regulated by government agencies and international organizations. B) Regulated by fast food chains. C) Regulated by professional sports leagues. D) Regulated by neighborhood associations. Show Answer Correct Answer: A) Regulated by government agencies and international organizations. 20. A genetic change that occurs in a body cell of a mouse will not contribute to the evolution of the species because A) Body cell mutations will cause the cell to die before it reproduces. B) The evolution of a species can result from changes in reproductive cells, not body cells. C) Random changes are repaired by enzymes before they are passed on to offspring. D) The evolution of a species is caused by natural selection, not genetic variation. Show Answer Correct Answer: B) The evolution of a species can result from changes in reproductive cells, not body cells. 21. Which restriction enzyme listed below was isolated from E.coli bacteria? A) EcoRI. B) Flag II. C) HindIII. D) AluI. Show Answer Correct Answer: A) EcoRI. 22. Reasons to genetically modify foods ..... A) Produce larger fruits. B) Make pest resistant vegetables. C) Produce food that grows faster. D) All of the above. Show Answer Correct Answer: D) All of the above. 23. The principle of ..... means respecting and honoring the inherent worth and right to privacy of other people. A) Confidentiality. B) Digital property rights. C) Human dignity. D) Civility. Show Answer Correct Answer: C) Human dignity. 24. LacZ gene is used to? A) Differentiate between transformant and non transformant. B) Differentiate between clones with vector plasmids and without vector plasmids. C) Differentiate between competent cells and non competent cells. D) Differntiate between negative and false negative. Show Answer Correct Answer: A) Differentiate between transformant and non transformant. 25. Which technique separates charged particles using electric field? A) Protein synthesis. B) Hydrolysis. C) Electrophoresis. D) Protein denaturing. Show Answer Correct Answer: C) Electrophoresis. 26. What is the ultimate source of genetic variation? A) Radiation. B) Inbreeding. C) Mutations. D) Hybridization. Show Answer Correct Answer: C) Mutations. 27. Who was the first adult mammal successfully cloned? A) Agouti Gout the Mouse. B) Dolly the Sheep. C) Donald Trump the Donald. D) Copy Cat the Cat. Show Answer Correct Answer: B) Dolly the Sheep. 28. Isolating desired gene from mRNA is considered advantageous as it is easier for scientists to find the gene because specialised cells will make very specific types of mRNA and the mRNA (therefore the cDNA) does not contain ..... A) Exons. B) Introns. C) Operator. D) Promoter. Show Answer Correct Answer: B) Introns. 29. Which of the following techniques would be most useful to study gene expression? A) Eastern blot. B) Northern blot. C) Southern blot. D) Western blot. Show Answer Correct Answer: B) Northern blot. 30. CRISPR-Cas9 is a type of ..... system found in bacteria. A) Circulatory. B) Endocrine. C) Digestive. D) Immune. Show Answer Correct Answer: D) Immune. ← PreviousNext →Related QuizzesBiotechnology QuizzesAgriculture QuizzesGenetic Engineering Quiz 1Genetic Engineering Quiz 2Genetic Engineering Quiz 3Genetic Engineering Quiz 4Genetic Engineering Quiz 5Genetic Engineering Quiz 6Genetic Engineering Quiz 7Genetic Engineering Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books