This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 14 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Proteins that cut DNA at specific bases (cuts plasmid and human gene) A) Restriction enzymes. B) Gel electrophoresis. C) Clone. D) Gene therapy. Show Answer Correct Answer: A) Restriction enzymes. 2. Define recombinant DNA technology A) A method in which DNA is spliced together in the laboratory. B) A method in which different DNA from same organism is spliced (combine) together in the laboratory. C) A method in which same DNA from same organisms is spliced (combine) together in the laboratory. D) A method in which DNA from different organisms is combined together in the laboratory. Show Answer Correct Answer: D) A method in which DNA from different organisms is combined together in the laboratory. 3. Why do farmers choose to use GM crops rather than regular crops? A) They are safer. B) They are more productive. C) They are less controversial. D) They are less expensive. Show Answer Correct Answer: B) They are more productive. 4. The growth hormone of gene from Chinook salmon is introduced to Atlantic salmon. A) Genetic Testing. B) Gene Therapy. C) Bioremediation. D) Pharmaceuticals. E) Agriculture. Show Answer Correct Answer: E) Agriculture. 5. When scientists cut DNA from one organism and paste it in another organism, what are they using to paste it? A) Ligase enzymes. B) Restriction enzymes. C) Plasmids. D) Diabetes. Show Answer Correct Answer: A) Ligase enzymes. 6. Used to deliver genes in genetic therapy A) Hybridization. B) Selective breeding. C) Gel electrophoresis. D) Viruses. Show Answer Correct Answer: D) Viruses. 7. How can organisms be genetically modified? A) By exposing them to radiation. B) By changing their protein sequence. C) By splicing genes from one organism into another. D) By using chemicals to alter their genetic composition. Show Answer Correct Answer: C) By splicing genes from one organism into another. 8. What is a key difference between artificial selection and natural selection? A) Natural selection is the process of transferring a gene from the DNA of one organism into another. B) Natural selection involves human influence. C) Artificial selection involves human influence. D) Artificial selection involves the same genes as the organism from which it was produced. Show Answer Correct Answer: C) Artificial selection involves human influence. 9. Fill in the blank. " ..... "is the uptake of DNA into a cell. A) Cutting. B) Isolation. C) Transformation. D) Expression. Show Answer Correct Answer: C) Transformation. 10. Process of manipulating organisms, cells, or molecules to produce specific products. A) Biotechnology. B) Inbreeding. C) Plasmid. D) Polymerase chain reaction. Show Answer Correct Answer: A) Biotechnology. 11. GMO's are made by changing the original ..... so desired traits are expressed. A) DNA. B) RNA. C) TRNA. D) MRNA. Show Answer Correct Answer: A) DNA. 12. Which is the first step? A) DNA Helicase unwinds original DNA strand. B) RNA Primase lays down RNA primer for new nucleotide bases. C) DNA polymerase builds new strands by bring in new nucleotide bases. D) Ligase knits together fragments on lagging strand. Show Answer Correct Answer: A) DNA Helicase unwinds original DNA strand. 13. Artificially made DNA strand that is formed by combining 2 or more genes is known as A) Recombinant DNA. B) Selective breeding. C) Genetic mutation. D) None of above. Show Answer Correct Answer: A) Recombinant DNA. 14. How is the gene removed from the specialist organism? A) Using a restriction enzyme. B) Using a ligase enzyme. C) Using a bacterium. D) Using a vector. Show Answer Correct Answer: A) Using a restriction enzyme. 15. The physical look of a trait A) Phenotype. B) Genotype. C) Recessive. D) None of above. Show Answer Correct Answer: A) Phenotype. 16. The unpaired nucleotides produced by the action of restriction enzymes are referred to as A) Sticky end. B) Base sequence. C) Single strands. D) Restriction fragments. Show Answer Correct Answer: A) Sticky end. 17. Two individuals with unlike characteristics are crossed to produce the best in both organisms. A) Selective Breeding. B) Gene Splicing. C) Cloning. D) Hybridization. Show Answer Correct Answer: D) Hybridization. 18. Where are light receptors (rods and cones) found in the eye? A) Choroid. B) Retina. C) Pupil. D) Sclera. Show Answer Correct Answer: B) Retina. 19. What enzyme forms covalent bonds between restriction fragments? A) DNA helicase. B) DNA primase. C) DNA ligase. D) DNA polymerase. Show Answer Correct Answer: C) DNA ligase. 20. Which of the following best describes "cloning?" A) Editing genes to cure a disease / change a trait. B) Adding genes from one species into another's DNA. C) Copying an organism's DNA to make an identical organism. D) Sequencing an organism's entire genome. Show Answer Correct Answer: C) Copying an organism's DNA to make an identical organism. 21. Why haven't there been any humans cloned? A) The clone wont come out a human. B) The clone or human will probably die. C) It is not possible yet. D) It is a risk for the human there cloning. Show Answer Correct Answer: C) It is not possible yet. 22. Bacteria have ....., circular chromosome. A) None. B) Single or half. C) A SINGLE. D) More than one. Show Answer Correct Answer: C) A SINGLE. 23. We have been modifying DNA sequences for many years-ever since restriction enzymes were discovered in the early 1970's. CRISPR and restriction enzymes are essentially the same because they can both be used to cut DNA and can be used inside of living cells. A) FALSE-CRISPR does not cut DNA. B) FALSE-Restriction enzymes cannot be used inside of living cells. C) FALSE-Restriction enzymes do not cut DNA. D) TRUE. Show Answer Correct Answer: B) FALSE-Restriction enzymes cannot be used inside of living cells. 24. Overall, what has the trend been from 1998 until 2018? A) Farmers have not adopted GMO seeds. B) Farmers are unsure of Bt corn. C) Farmers prefer non GMO products. D) Farmers adopted more GMO seeds. Show Answer Correct Answer: D) Farmers adopted more GMO seeds. 25. Which of the following is a product of biotechnology? A) Bread. B) Cheese. C) Penicillin. D) All of these. Show Answer Correct Answer: D) All of these. 26. What is the compliment to the DNA strand CCAAGG for mRNA? A) AAUUCC. B) GGUUCC. C) TTAAGG. D) GGTTCC. Show Answer Correct Answer: B) GGUUCC. 27. Polymerase chain reaction (PCR) involves ..... steps to make many copies of a gene or other DNA segment. A) 1. B) 3. C) 2. D) 4. Show Answer Correct Answer: B) 3. 28. The beta carotene from corn is introduced to the normal genome via Agrobacterium tumefaciens-mediated transformation. A) Gene Therapy. B) Agriculture. C) Bioremediation. D) Genetic Testing. E) Pharmaceuticals. Show Answer Correct Answer: B) Agriculture. 29. Biomedical research has allowed for couples that were unable to have children to now be able to have children with their own DNA. A) Harmful. B) Beneficial. C) Neither. D) None of above. Show Answer Correct Answer: B) Beneficial. 30. Restriction sites are small (usually ..... base pairs), symmetrical "palindrome" A) 4-6. B) 2-4. C) 4-8. D) 3-5. Show Answer Correct Answer: C) 4-8. ← 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