This quiz works best with JavaScript enabled. Home > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 71 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 71 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Some twins come from the same egg and are therefore ..... A) Genetically engineered. B) Genetically tested. C) Genetically identical. D) Genetically modified. Show Answer Correct Answer: C) Genetically identical. 2. Which of the following enzyme encoded by lac "Z" gene? A) $\beta$-Lactamase. B) $\beta$-galactosidase. C) $\beta$-glucuronidase. D) $\beta$-amylase. Show Answer Correct Answer: B) $\beta$-galactosidase. 3. An applied science of manipulating the genetic material of an organism through artificial selection and biomedical techniques. A) Artificial selection. B) Cloning. C) Genetic engineering. D) Selective breeding. Show Answer Correct Answer: C) Genetic engineering. 4. This seals the sticky ends of restriction fragments to make recombinant DNA A) Restriction enzymes. B) Gene cloning. C) DNA ligase. D) Reverse transcriptase. Show Answer Correct Answer: C) DNA ligase. 5. Many foods that I eat are GMOs (genetically modified organisms). A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 6. Suggest a characteristic that would be useful in a new breed of sheep. A) Leaner meat, quicker growing, greater yield, disease resistance,. B) Fattier meat, slower growing, less wool. C) Disease resistance, less wool, smaller yield. D) None of above. Show Answer Correct Answer: A) Leaner meat, quicker growing, greater yield, disease resistance,. 7. State the term for altering or changing the genetic material of an organism. A) Genetic engineering. B) Plasmid. Show Answer Correct Answer: A) Genetic engineering. 8. Which of these is the third step in selective breeding flowers. A) Choose which trait is desirable. B) Watch the seeds grow. C) Choose plants that have the desired trait to pollinate. D) Repeat the process only with the offspring with the desired traits. Show Answer Correct Answer: D) Repeat the process only with the offspring with the desired traits. 9. The most famous clone was Dolly the Sheep who was born on 5th June 1996. A) True. B) False. Show Answer Correct Answer: A) True. 10. Technique to separate DNA, RNA, or protein molecules based on size and charge A) Vector. B) Restriction enzyme. C) Genetic Engineering. D) Gel Electrophoresis. Show Answer Correct Answer: D) Gel Electrophoresis. 11. During the transfer of the recombinant plasmid into a host cell which is commonly a bacterium, the recombinant bacterium will undergo cloning. Which of the following is involved in gene cloning? A) Division. B) Replication. C) Translation. D) Transcription. Show Answer Correct Answer: B) Replication. 12. The pattern of bars in a DNA profile shows A) The order of bases in a particular gene. B) The presence of different sized fragments. C) The presence of dominant or recessive alleles for a trait. D) The order of genes along a chromosome. Show Answer Correct Answer: B) The presence of different sized fragments. 13. We can use cloning on al the following EXCEPT for? A) Animals. B) Plants. C) Microorganisms. D) Rocks. Show Answer Correct Answer: D) Rocks. 14. What is the third step in the transformation of a bacterium to produce human insulin A) Bacterium reproduces (mitosis) and starts producing human insulin gene which we harvest them from. B) Plasmid is then retuned to bacterium and reproduces with donor gene in it. C) Plasmids will be cut with the same restriction enzyme used to cut the desired gene. D) None of above. Show Answer Correct Answer: C) Plasmids will be cut with the same restriction enzyme used to cut the desired gene. 15. A conventional method of modifying organisms by choosing and mating individuals with desired traits over many generations is known as: A) Biotechnology. B) Selective breeding. C) Shelf life. D) Safety assessments. Show Answer Correct Answer: B) Selective breeding. 16. Translation takes place in the A) Ribosome. B) Chloroplast. C) Nucleus. D) Mitochondria. Show Answer Correct Answer: A) Ribosome. 17. What is the process of making changes in the DNA code of living organisms? A) Selective Breeding. B) Cell Transformation. C) Genetic Engineering. D) Cell Editing. Show Answer Correct Answer: C) Genetic Engineering. 18. How does CRISPR differ from previous techniques of gene editing? A) Slower, more expensive, more accurate. B) Faster, more expensive, more accurate. C) Faster, cheaper and more accurate. D) Slower, cheaper, less accurate. Show Answer Correct Answer: C) Faster, cheaper and more accurate. 19. Which of the following best describes a recombinant DNA? A) A section of DNA. B) Circular DNA found in bacteria. C) DNA that has genes from different organisms. D) A bundle of DNA. Show Answer Correct Answer: C) DNA that has genes from different organisms. 20. What does GM mean? A) Genetically made. B) Genetically modified. C) Generous man. D) Gayle magennis. Show Answer Correct Answer: B) Genetically modified. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books