This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 40 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A piece of the chromosome detches, turns 180 degrees, and reattaches A) Duplication. B) Deletion. C) Inversion. D) Translocation. Show Answer Correct Answer: C) Inversion. 2. Which is used to cut DNA molecules at specific points? A) Recombinant DNA. B) A restriction enzyme. C) PCR analysis. D) Reverse transcriptase. Show Answer Correct Answer: B) A restriction enzyme. 3. The modification of living things for human use is known as what? A) Inbreeding. B) Hybridization. C) Genetic Engineering. D) Disruptive Selection. Show Answer Correct Answer: C) Genetic Engineering. 4. Which of the following is an example of a GMO A) Bt Corn. B) Black Lab Puppies. C) Dolly the sheep. D) None of above. Show Answer Correct Answer: A) Bt Corn. 5. What is the correct sequence of steps in genetic engineering? P:inserting the desired gene into a vectorQ:Cutting out the DNA of the desired geneR:Multiplying the copies of the geneS:Introducing the vector into the host cell A) Q, P, S, R. B) P, Q, S, R. C) Q, R, P, S. D) P, R, Q, S. Show Answer Correct Answer: A) Q, P, S, R. 6. Chromosome walking and chromosome jumping molecular tools can be used to ..... ? A) Isolate desired genes. B) Restrict genome. C) Map genome. D) Isolate proteins. Show Answer Correct Answer: C) Map genome. 7. Rice modified to have more Vitamin A, has undergone ..... A) Genetic engineering. B) Gene therapy. C) Mutation. D) Cloning. Show Answer Correct Answer: A) Genetic engineering. 8. What are the environmental consequences of genetic engineering? A) The environmental consequences of genetic engineering include potential effects on ecosystems, gene flow between modified and wild populations, and increased pesticide use in agriculture. B) Genetic engineering reduces the need for pesticide use in agriculture. C) Genetic engineering leads to decreased biodiversity. D) Genetic engineering has no environmental consequences. Show Answer Correct Answer: A) The environmental consequences of genetic engineering include potential effects on ecosystems, gene flow between modified and wild populations, and increased pesticide use in agriculture. 9. Foreign Genes being introduced into a cell is ..... A) Gel electrophoresis. B) Meiosis. C) Pcr. D) Cell transformation. Show Answer Correct Answer: D) Cell transformation. 10. Two dissimilar organisms crossed together is called- A) Mutation. B) Eugenics. C) Hybrid. D) Inbreeding. Show Answer Correct Answer: C) Hybrid. 11. Which of the following is a potential risk associated with genetically modified organisms (GMOs)? A) They can lead to the development of superweeds. B) They can lead to an increase in biodiversity. C) They can increase crop yield. D) They can decrease the use of chemical pesticides. Show Answer Correct Answer: A) They can lead to the development of superweeds. 12. Which of the following is a phenotype? A) Red hair. B) DNA. C) Heterozygous. D) Aa. Show Answer Correct Answer: A) Red hair. 13. In DNA, what determines how different proteins are made? A) The type of sugar. B) The number of strands. C) The number of bases. D) The order of the bases. Show Answer Correct Answer: D) The order of the bases. 14. Gel electrophoresis enables scientists to A) Separate DNA fragments. B) Insert DNA in cells. C) Count the genes in DNA. D) Combine DNA fragments. Show Answer Correct Answer: A) Separate DNA fragments. 15. What enzyme cleaves the hook? A) DNAse 1. B) Terminal transferase. C) RNAse H. D) S1 nuclease. Show Answer Correct Answer: D) S1 nuclease. 16. A sticky end is formed by the use of the following enzyme A) Ligase. B) Reverse transcriptase. C) EcoR1. D) DNA polymerase. Show Answer Correct Answer: C) EcoR1. 17. Which enzyme used in PCR is also used in DNA replication? A) Primase. B) DNA Polymerase. C) Helicase. D) Ligase. Show Answer Correct Answer: B) DNA Polymerase. 18. Causes lipids to accumulate in the central nervous system A) Tay-Sachs. B) Polydactyly. C) Sickle-Cell Anemia. D) Huntington's Disease. Show Answer Correct Answer: A) Tay-Sachs. 19. A product of genetic engineering technology is representedbelow.Which substance was needed to join the insulin gene to thebacterial DNA as shown? A) Hormones. B) A specific carbohydrate. C) Antibodies. D) A specific enzyme. Show Answer Correct Answer: D) A specific enzyme. 20. True or False:Gel electrophoresis allow scientist to compare DNA of different individuals. A) True. B) False. Show Answer Correct Answer: A) True. 21. Gene therapy is when A) Defective genes are replaced. B) New genes are made in the body. C) Proteins are used to make genes. D) Genes are given as medicines. Show Answer Correct Answer: A) Defective genes are replaced. 22. DNA has a ..... charge so fragments will move to a ..... end A) Negative, positive. B) Negative, negative. C) Positive, negative. D) Positive, positive. Show Answer Correct Answer: A) Negative, positive. 23. One function of gel electrophoresis is to A) Extract DNA. B) Cut DNA. C) Separate DNA fragments. D) Recombinant DNA. Show Answer Correct Answer: C) Separate DNA fragments. 24. Some genetically engineered animals become an important source of new drugs. A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 25. A transgenic organism is ..... A) Any organism that has DNA from a different organism inserted into its DNA. B) What the human genome project created. C) A cloned animal like Dolly. D) A human that has any type of mutation in their DNA. Show Answer Correct Answer: A) Any organism that has DNA from a different organism inserted into its DNA. 26. Selective breeding is not possible without the wide ..... found in nature. A) DNA sequence. B) Extraction. C) Inbreeding. D) Variation. Show Answer Correct Answer: D) Variation. 27. What cell organelle is removed from a bacterial cell during Genetic Engineering? A) Plasmid. B) Chloroplast. C) Nucleus. D) Ribosome. Show Answer Correct Answer: A) Plasmid. 28. Why do scientists use bacteria to genetically modify a crop? A) Bacteria can cause disease (i.e. can attack!) in plants & easily enter the plant's cells. B) Bacteria has the ability to transfer a portion of its DNA into plant cells. C) The bacteria plasmid is a vector with the gene of interest & helps to incorporate its DNA with the crop's DNA. D) All of the above!. Show Answer Correct Answer: D) All of the above!. 29. There is a competition for available resources. A) Struggle to Survive. B) Inheritance of Traits. C) Survival of the Fittest. D) Overproduction. E) Variation. Show Answer Correct Answer: A) Struggle to Survive. 30. All dogs today are ancestors of A) German Shepherds. B) Wolves. C) Dingoes. D) Cocker Spaniels. Show Answer Correct Answer: B) Wolves. ← 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