This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering – Quiz 84 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 84 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the 4 Nitrogen containing bases in DNA? A) ATCG. B) CHDE. C) Milk. D) ANOTHER. Show Answer Correct Answer: A) ATCG. 2. Which of the following statement about plasmids is correct? A) Plasmids are present in bacteria, archea& some eukaryotes. B) Plasmids are present in all organisms. C) Plasmids present in bacteria and phages. D) Plasmids present in plants and animals. Show Answer Correct Answer: A) Plasmids are present in bacteria, archea& some eukaryotes. 3. What is the enzyme used to help the process of inserting the gene into a vector in genetic engineering technique? A) DNA ligase. B) Restriction enzymes. C) Bacterium enzymes. D) None of above. Show Answer Correct Answer: A) DNA ligase. 4. During DNA transformation, a cell A) Is treated with radiation. B) Has two genetically different parents. C) Has foreign DNA inserted in its chromosome. D) Has parents of different species. Show Answer Correct Answer: C) Has foreign DNA inserted in its chromosome. 5. Bacteria can be used to produce ..... that humans can't make themselves. A) Insulin. B) DNA. C) RNA. D) Plasmids. Show Answer Correct Answer: A) Insulin. 6. These enzymes are called molecular scissors which are essential in making internal cuts in a DNA molecule or vector at specific sites. A) Polymerase. B) Restriction enzymes. C) Restriction proteins. D) Plasmid tagsGenetic engineering. Show Answer Correct Answer: B) Restriction enzymes. 7. Which is the second 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: B) RNA Primase lays down RNA primer for new nucleotide bases. 8. ..... may soon produce human antibodies that can be used to fight diseases. A) Transgenic Plants. B) Transgenic Bacteria. C) Transgenic Animals. D) None of above. Show Answer Correct Answer: A) Transgenic Plants. 9. Which of the following is a disadvantage of inbreeding? A) Desired traits are passed on to offspring. B) Harmful recessive traits can be passed on. C) Undesired traits are not passed on. D) It's time consuming and expensive. Show Answer Correct Answer: B) Harmful recessive traits can be passed on. 10. Why aren't more scientists using gene modification? A) Because the technology isn't available. B) Because they are lazy. C) Because of ethics and morality. D) Because of how long it takes. Show Answer Correct Answer: C) Because of ethics and morality. 11. In a point mutation, this would have the worst effect on the function of the protein A) An insertion or deletion near the end of a gene. B) An insertion or deletion at the beginning of the gene. C) An insertion at the middle of the gene. D) A base substitution. Show Answer Correct Answer: B) An insertion or deletion at the beginning of the gene. 12. What seperates DNA Fragments A) Gel Electrophoresis. B) Genes. C) Cells. D) Restriction Enzymes. Show Answer Correct Answer: A) Gel Electrophoresis. 13. Dolly, the first cloned sheep was produced in what year? A) 1953. B) 2012. C) 1996. D) 1969. Show Answer Correct Answer: C) 1996. 14. People use selective breeding to ..... A) Solve crimes. B) To create a GMO. C) Produce desired traits in offspring. D) To genetically modify plants for better crops. Show Answer Correct Answer: C) Produce desired traits in offspring. 15. Preserved remains or traces of ancient organisms A) Fossils. B) Restriction enzymes. C) DNA microarray. D) Genomics. Show Answer Correct Answer: A) Fossils. 16. Which is true of PCR A) All of the above. B) Stands for polymerase chain reactions. C) The original sample acts as a template for repeated replication. D) Makes many copies of DNA in just a few hours. Show Answer Correct Answer: A) All of the above. 17. Pattern of DNA fragments obtained by examining a person's unique sequence of DNA pairs. A) DNA Fingerprint. B) Alleles. C) Chromosome. D) None of above. Show Answer Correct Answer: A) DNA Fingerprint. 18. Vector-vehicle used to transfer something; in this case, we are using the plasmid as a vehicle to transfer A) None. B) New genes to bacteria. C) Bacteria to gene genes. D) Enzymes to new genes. Show Answer Correct Answer: B) New genes to bacteria. 19. DNA strands can be clipped crosswise at selected positions by using enzymes called A) Palindromes. B) DNA polymerases. C) Restriction endonucleases. D) Ligases. Show Answer Correct Answer: C) Restriction endonucleases. 20. "Dolly" was a sheep developed from an egg cell of her motherthat had its nucleus replaced by a nucleus from a body cell ofher mother. As a result of this technique, Dolly was A) No longer able to reproduce. B) Genetically identical to her mother. C) Able to have a longer lifespan. D) Unable to mate. Show Answer Correct Answer: B) Genetically identical to her mother. ← 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