This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 21 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Process of manipulating organisms, cells, or molecules to produce specific products. A) Biotechnology. B) Inbreeding. C) Polymerase chain reaction. D) Plasmid. Show Answer Correct Answer: A) Biotechnology. 2. GMO's are made by changing the original ..... so desired traits are expressed. A) DNA. B) RNA. C) MRNA. D) TRNA. Show Answer Correct Answer: A) DNA. 3. 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. 4. 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. 5. How is the gene removed from the specialist organism? A) Using a vector. B) Using a ligase enzyme. C) Using a bacterium. D) Using a restriction enzyme. Show Answer Correct Answer: D) Using a restriction enzyme. 6. The physical look of a trait A) Phenotype. B) Genotype. C) Recessive. D) None of above. Show Answer Correct Answer: A) Phenotype. 7. 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. 8. Two individuals with unlike characteristics are crossed to produce the best in both organisms. A) Hybridization. B) Selective Breeding. C) Gene Splicing. D) Cloning. Show Answer Correct Answer: A) Hybridization. 9. 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. 10. What enzyme forms covalent bonds between restriction fragments? A) DNA primase. B) DNA helicase. C) DNA ligase. D) DNA polymerase. Show Answer Correct Answer: C) DNA ligase. 11. Which of the following best describes "cloning?" A) Copying an organism's DNA to make an identical organism. B) Editing genes to cure a disease / change a trait. C) Adding genes from one species into another's DNA. D) Sequencing an organism's entire genome. Show Answer Correct Answer: A) Copying an organism's DNA to make an identical organism. 12. Why haven't there been any humans cloned? A) It is not possible yet. B) It is a risk for the human there cloning. C) The clone or human will probably die. D) The clone wont come out a human. Show Answer Correct Answer: A) It is not possible yet. 13. Bacteria have ....., circular chromosome. A) None. B) Single or half. C) A SINGLE. D) More than one. Show Answer Correct Answer: C) A SINGLE. 14. 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) TRUE. B) FALSE-Restriction enzymes do not cut DNA. C) FALSE-CRISPR does not cut DNA. D) FALSE-Restriction enzymes cannot be used inside of living cells. Show Answer Correct Answer: D) FALSE-Restriction enzymes cannot be used inside of living cells. 15. Overall, what has the trend been from 1998 until 2018? A) Farmers have not adopted GMO seeds. B) Farmers adopted more GMO seeds. C) Farmers are unsure of Bt corn. D) Farmers prefer non GMO products. Show Answer Correct Answer: B) Farmers adopted more GMO seeds. 16. 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. 17. What is the compliment to the DNA strand CCAAGG for mRNA? A) TTAAGG. B) AAUUCC. C) GGTTCC. D) GGUUCC. Show Answer Correct Answer: D) GGUUCC. 18. Polymerase chain reaction (PCR) involves ..... steps to make many copies of a gene or other DNA segment. A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: A) 3. 19. The beta carotene from corn is introduced to the normal genome via Agrobacterium tumefaciens-mediated transformation. A) Agriculture. B) Bioremediation. C) Gene Therapy. D) Genetic Testing. E) Pharmaceuticals. Show Answer Correct Answer: A) Agriculture. 20. 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. ← PreviousNext →Related 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 9Genetic Engineering Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books