This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 72 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 72 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following palindromic base sequence identify by EcoRI A) 5' GATTCC 3'. B) 5' GAATTC 3'. C) 5' GAATCC 3'. D) 5' GATTTC 3'. Show Answer Correct Answer: B) 5' GAATTC 3'. 2. Which one of the following shows discontinuous variation? A) Strength. B) Weight. C) Eye colour. D) Height. Show Answer Correct Answer: C) Eye colour. 3. Which of the following characteristics is often genetically engineered into crop plants? A) Resistance to herbicides. B) Shorter ripening times. C) Thicker stems. D) Improved appearance. Show Answer Correct Answer: A) Resistance to herbicides. 4. DNA made by recombining fragments of DNA from different sources A) DNA Polymerase. B) Cloning. C) Recombinant DNA. D) Polymerase Chain Reaction. Show Answer Correct Answer: C) Recombinant DNA. 5. A mutation that helps an organism survive and reproduce A) Harmful mutation. B) Helpful mutation. C) Neutral mutation. D) None of above. Show Answer Correct Answer: B) Helpful mutation. 6. How are the bases in RNA different from those in DNA? A) RNA has a C instead of a U. B) RNA has a U instead of a T. C) RNA has a U instead of a A. D) RNA has a C instead of a T. Show Answer Correct Answer: B) RNA has a U instead of a T. 7. Which of the following are the genotype? A) Tt, Ww. B) Red, White. C) Red, Rr. D) None of above. Show Answer Correct Answer: A) Tt, Ww. 8. How do EcoRI and BamHI differ? A) Different blunt ends. B) Cut DNA. C) Produce different proteins. D) Different restriction sites. Show Answer Correct Answer: D) Different restriction sites. 9. The desired gene or trait is NOT found within the genome of that species. A) Selective breeding. B) Genetic engineering. C) Both. D) None of above. Show Answer Correct Answer: B) Genetic engineering. 10. Plant crops have been ..... to be resistant to diseases or produce bigger and better fruits. A) Evolved. B) Selectively bred. C) Genetically engineered. D) Artifically selected. Show Answer Correct Answer: C) Genetically engineered. 11. When genes from one organism are inserted into the genes of another organism that is know as ..... A) Cloning. B) Selective Breeding. C) Gene Therapy. D) Genetic Engineering. Show Answer Correct Answer: D) Genetic Engineering. 12. What kingdom does cattle belong to? A) Animals. B) Plants. C) Mushrooms. D) None of above. Show Answer Correct Answer: A) Animals. 13. What is a concern associated with genetic modification? A) Lack of scientific progress in gene editing. B) Creating a world that rejects non-perfect humans. C) Inability to prevent genetic diseases. D) Limited availability of genetic modification technology. Show Answer Correct Answer: B) Creating a world that rejects non-perfect humans. 14. What is the main ethical concern associated with genetically modified organisms? A) Labeling and legislation. B) The use of artificial genes. C) The impact on biodiversity. D) The potential for genetic mutations. Show Answer Correct Answer: A) Labeling and legislation. 15. The enzyme used to join pieces of DNA together is called ..... A) Protease. B) Restriction enzyme. C) DNA Ligase. D) Carbohydrase. Show Answer Correct Answer: C) DNA Ligase. 16. Because they reproduce rapidly and are easy to grow, ..... now produce a host of important substances useful for health and industry. A) Transgenic Plants. B) Transgenic Bacteria. C) Transgenic Animals. D) None of above. Show Answer Correct Answer: B) Transgenic Bacteria. 17. Put the gene in the correct order:1) transfer the DNA into the cell 2) cut the DNA strand 3) connect the DNA strand A) 2 3 1. B) 1 2 3. C) 3 2 1. D) 3 1 2. Show Answer Correct Answer: A) 2 3 1. 18. What is the process of altering an organism's genetic material to eliminate a disease? A) Gene Therapy. B) Genetic Engineering. C) Cloning. D) Artificial Selection. Show Answer Correct Answer: A) Gene Therapy. 19. Short fragments from cDNA sequence act as unique markers of gene transcript A) TOGA. B) DIKES. C) SAGE. D) FISH. Show Answer Correct Answer: C) SAGE. 20. Amino acids make up proteins. Some are functional while others are ..... ? A) Mutant. B) Structural. C) Diseased. D) Ordinary. Show Answer Correct Answer: B) Structural. 21. What term describes DNA that contains genes from more than one organism? A) Clone. B) Restriction site. C) Plasmid. D) Recombinant DNA. Show Answer Correct Answer: D) Recombinant DNA. 22. Used to cut DNA into smaller fragments A) Recombinant DNA. B) Gel electrophoresis. C) Restriction enzyme. D) PCR. Show Answer Correct Answer: C) Restriction enzyme. 23. Identify if the statements are correct. I. Since ancient times, the practice of genetic engineering had begun. II. Artificial selection is done to directly manipulate genes focusing on the physical traits among organisms. A) Statement I is correct. B) Statement II is correct. C) Statement I and II are both correct. D) Statement I and II are both incorrect. Show Answer Correct Answer: A) Statement I is correct. 24. ..... is a gene editing tool that can help people with sickle cell disease or any other genetic disease. A) Crispy. B) Plasmid. C) Anemia. D) CRISPR. Show Answer Correct Answer: D) CRISPR. 25. Black hair color is dominant to white hair color in mice. Determine the phenotypic ratio for the offpring of a heterozygous black mouse and a white mouse. A) 2 Black:2 White. B) 0 Black:4 White. C) 4 Black:0 White. D) 3 Black:1 White. Show Answer Correct Answer: A) 2 Black:2 White. 26. The process by which humans breed only those organisms with desired traits to produce the next generation is A) Genome. B) MRNA. C) Artificial selection. D) Genetic engineering. Show Answer Correct Answer: C) Artificial selection. 27. What is the function of enzymes? A) Provide structural support to cells and tissues. B) Catalyse chemical reactions. C) Act as chemical messengers between cells. D) Bind to foreign bodies to help prevent infection. Show Answer Correct Answer: B) Catalyse chemical reactions. 28. What is the very next thing that happens after fertilisers enter a river in eutrophication? A) Fast growth of plants. B) Fish die due to a lack of oxygen. C) Plants below the surface die due to a lack of sunlight. D) The number of aerobic bacteria increases. Show Answer Correct Answer: A) Fast growth of plants. 29. Evolution typically happens ..... A) Over millions of years. B) Never. C) In a few weeks. D) In 100 years. Show Answer Correct Answer: A) Over millions of years. 30. What is an example of artificial selection? A) Letting dogs choose their own mate. B) Letting plants pollinate on their own. C) Crossing a labrador and a poodle to create a labradoodle. D) None of above. Show Answer Correct Answer: C) Crossing a labrador and a poodle to create a labradoodle. ← 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