This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of polymerase chain reaction is similar to the process of ....., which occurs in cells. A) Hybridization. B) Gel electrophoresis. C) Transgenic replacement. D) DNA replication. Show Answer Correct Answer: D) DNA replication. 2. Farmers identified characteristics in wild plants that they wanted to keep and planted seeds from those plants, gradually emphasizing certain traits and producing various crops with the biggest, tastiest traits A) Selective breeding (also known as artificial selection). B) Gene Therapy. C) Gene Splicing (production of Transgenic / Genetically Modified Organisms). D) Cloning. Show Answer Correct Answer: A) Selective breeding (also known as artificial selection). 3. The deliberate modification of the characteristics of an organism by manipulating its genes A) Biotechnology. B) Genetic engineering. C) Cloning. D) Hybridization. Show Answer Correct Answer: B) Genetic engineering. 4. Where do mutations occur? A) DNA and RNA. B) DNA. C) RNA. D) MRNA and tRNA. Show Answer Correct Answer: B) DNA. 5. The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of A) Insertional inactivation of $\beta$-galactosidase gene in recombinant bacteria. B) Inactivation of glycosidase gene in recombinant bacteria. C) Incompetence of recombinant bacteria containing $\beta$-galactosidase. D) Insertional inactivation of $\alpha$-galactosidase gene in non-recombinant bacteria. Show Answer Correct Answer: A) Insertional inactivation of $\beta$-galactosidase gene in recombinant bacteria. 6. A seemingly normal sixteen-year old male individual is found to have Huntington's disease. A) Agriculture. B) Bioremediation. C) Gene Therapy. D) Genetic Testing. E) Pharmaceuticals. Show Answer Correct Answer: D) Genetic Testing. 7. "transgenic" refers to an animal that: A) Has DNA from another organism spliced into its genome. B) Has undergone DNA modification. C) Has unique genes for its species. D) None of above. Show Answer Correct Answer: A) Has DNA from another organism spliced into its genome. 8. What is gene therapy? A) Inserting copies of a gene directly into a person's cells. B) Producing organisms with identical copies of DNA. C) Crossing two individuals that have similar desirable characteristics or traits. D) Crossing two individuals that have different characteristics or traits. Show Answer Correct Answer: A) Inserting copies of a gene directly into a person's cells. 9. Polyploiding can be done on: A) Only plants. B) Only animals. C) Both plants and animals. D) Neither plants or animals. Show Answer Correct Answer: A) Only plants. 10. Genetic engineering can hamper the diversity in organisms A) Benefits. B) Risk. Show Answer Correct Answer: B) Risk. 11. What is the enzymatic function of restriction enzymes? A) To add new nucleotides to the growing strand of DNA. B) To join nucleotides during replication. C) To join nucleotides during transcription. D) To cleave nucleic acids at specific sites. Show Answer Correct Answer: D) To cleave nucleic acids at specific sites. 12. Which of the following restriction enzyme can be used in ZNFs? A) FoK 1. B) EcoR1. C) BamH1. D) PstII. Show Answer Correct Answer: A) FoK 1. 13. Which step is 1st in PCR? A) Extension:DNA polymerase adds nucleotides to make new DNA. B) Denaturation:Heat is added to separate the DNA strands. C) Annealing:Cooling to allow primers to join to the DNA. D) None of above. Show Answer Correct Answer: B) Denaturation:Heat is added to separate the DNA strands. 14. What is the exogenous DNA where we recombine our foreign DNA and transfer it back to the bacteria? A) Genome. B) Nucleoid. C) Gene. D) Plasmid. Show Answer Correct Answer: D) Plasmid. 15. Method of breeding that allows only those organisms with desired characteristics to produce the next generation A) Inbreeding. B) Selective Breeding. C) Hybridization. D) Mutations. Show Answer Correct Answer: B) Selective Breeding. 16. This cuts DNA molecules at specific locations A) Restriction enzymes. B) DNA ligase. C) Polymerase. D) ATP. Show Answer Correct Answer: A) Restriction enzymes. 17. What is the process of selecting organisms with desired traits to be parents of the next generation? A) Natural Selection. B) Cloning. C) Genetic Engineering. D) Selective Breeding. Show Answer Correct Answer: D) Selective Breeding. 18. A substitution mutation is what type of mutation? A) Point. B) Frameshift. C) Silent. D) None of above. Show Answer Correct Answer: A) Point. 19. Double stranded DNA is produced by ..... A) Ligase enzyme. B) Reverse Transcriptase enzyme. C) Restriction Endonuclease enzyme. D) DNA polymerase enzyme. Show Answer Correct Answer: D) DNA polymerase enzyme. 20. To combine the gene of interest with the vector, a biologist must perform what step in genetic engineering process? A) Cleavage. B) Ligation. C) Host Introduction. D) Cloning. Show Answer Correct Answer: B) Ligation. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books