This quiz works best with JavaScript enabled. Home > Agriculture > Biotechnology > Genetic Engineering > Genetic Engineering – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic Engineering Quiz 33 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One problem with selective breeding is A) Creating a new species. B) Gene variety is lost. C) New food sources. D) None of above. Show Answer Correct Answer: B) Gene variety is lost. 2. The "Central Dogma" of Molecular Biology says that A) DNA is constantly mutating. B) DNA codes for RNA which codes for protein. C) DNA is a bunch of scrambled letters and we'll never know what they mean. D) RNA contains our genes and DNA is just a copy. Show Answer Correct Answer: B) DNA codes for RNA which codes for protein. 3. Which of the following is an example of a medical product of Genetic Engineering? A) Insulin. B) Starch. C) Amylase. D) Glucose. Show Answer Correct Answer: A) Insulin. 4. At what temperature does the Denature step of PCR occur? A) Any temperature. B) 94-95$^\circ$ C. C) 72$^\circ$ C. D) 50-65$^\circ$ C. Show Answer Correct Answer: B) 94-95$^\circ$ C. 5. Enzyme that connects the DNA to the backbone (joining two pieces of DNA together) A) Ligase. B) Helicase. C) Polymerase. D) Primase. Show Answer Correct Answer: A) Ligase. 6. Arrange in order the 5 stages involved in genetic engineering: A) 1. Isolation2. Cutting3. Ligation & Insertion4. Transformation5. Expression. B) 1. Isolation2. Cutting 3. Ligation & Insertion4. Expression 5. Transformation. C) 1. Isolation2. Expression3. Cutting4. Ligation & Insertion5. Transformation. D) 1. Cutting2. Isolation3. Ligation & Insertion4. Transformation5. Expression. Show Answer Correct Answer: A) 1. Isolation2. Cutting3. Ligation & Insertion4. Transformation5. Expression. 7. A length of unpaired bases thatstick out. These have been cut from a specific bases in a specific sequence of bases. A) Sticky Ends. B) Recombinant DNA. C) DNA size standard. D) Blunt ends. Show Answer Correct Answer: A) Sticky Ends. 8. If we tamper with nature, we ..... A) Touch or make changes to something that we should not. B) Let something be the way it is. C) We help fixing an existing problem. D) None of above. Show Answer Correct Answer: A) Touch or make changes to something that we should not. 9. How does genetic engineering impact the environment? A) Genetic engineering has no impact on the environment. B) Genetic engineering only has negative impacts on the environment. C) Genetic engineering can have both positive and negative impacts on the environment. D) Genetic engineering only has positive impacts on the environment. Show Answer Correct Answer: C) Genetic engineering can have both positive and negative impacts on the environment. 10. Technique to amplify specific segments of DNA A) Restriction enzyme. B) Polymerase Chain Reaction (PCR). C) Gene amplification. D) Recombinant DNA Technology. Show Answer Correct Answer: B) Polymerase Chain Reaction (PCR). 11. Two organisms that are closely related would have A) No proteins in commonIncorrect completely different DNA sequence. B) Exactly the same DNA sequencesIncorrect no proteins in common. C) Very similar DNA sequenceIncorrect exactly the same DNA sequences. D) Completely different DNA sequence. Show Answer Correct Answer: C) Very similar DNA sequenceIncorrect exactly the same DNA sequences. 12. Choose the incorrect statement for the method based on antisense RNA. A) This method is preferred over gene disruption has gene inactivation can be achieved completely. B) It is achieved by placing a DNA sequence which encodes RNA complementary to the RNA to be inactivated. C) Expression of the endogenous gene is diminished. D) RNA is synthesized complementary to the sequence of the gene which is to be inactivated. Show Answer Correct Answer: A) This method is preferred over gene disruption has gene inactivation can be achieved completely. 13. Amino acids are building blocks, they make up ..... A) MRNA. B) Straight forward. C) Ribosomes. D) Chains of DNA. Show Answer Correct Answer: B) Straight forward. 14. The researcher should ensure that the participants will not be adversely affected by the research and its results. A) Respect for Colleagues. B) Care. C) Social Responsibility. D) Human Subjects Protection. Show Answer Correct Answer: D) Human Subjects Protection. 15. This is the practice of choosing individuals of a species to mate based on their desirable characteristics A) Genetic modification. B) Bacterial recombination. C) Natural selection. D) Selective breeding. Show Answer Correct Answer: D) Selective breeding. 16. Which of the following is not a step in the genetic modification of bacteria to produce insulin? A) This genetically modified plasmid is introduced to a new bacteria cell. B) A small section is then cut out of the vector by restriction enzymes. C) The gene for human insulin is then inserted into the gap in the plasmid. D) After fermentation is complete, the mixture is filtered to release the insulin. Show Answer Correct Answer: B) A small section is then cut out of the vector by restriction enzymes. 17. True or False. Certain genes can lead to disorders. A) False. B) True. Show Answer Correct Answer: B) True. 18. Which statement is part of Darwin's theory of evolution by natural selection? A) More offspring are produced than can possibly survive. B) The organisms that are the fittest are always largest and strongest. C) The number of offspring is not related to fitness. D) None of above. Show Answer Correct Answer: A) More offspring are produced than can possibly survive. 19. What are the missing words, in the correct order? Genetic engineering involves ..... a gene from the DNA of one ..... and placing into into the ..... of another organisms. This changes their ..... and gives them ..... characteristics. A) Inserting, organism, gene, genome, desirable. B) Removing, organism, gene, DNA, desirable. C) Inserting, organism, DNA, gene, desirable. D) Removing, organism, DNA, genome, desirable. Show Answer Correct Answer: D) Removing, organism, DNA, genome, desirable. 20. What are Transgenic animals used for A) To make new breeds of animals. B) To get more female animals. C) To get more male animals. D) To study genes and improve food supply. Show Answer Correct Answer: D) To study genes and improve food supply. 21. Genes and other genetic information from a wide range of organisms are transformed into bacteria for storage and modification, creating genetically modified bacteria in the process. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 22. Pets to be like the original one. A) Cloning. B) Genetic engineering. Show Answer Correct Answer: A) Cloning. 23. In class we read about which 2 types of commonly used biotechnology techniques A) Transcription & Extension. B) Bacteria & VCR. C) Denaturing & PCR. D) Gene cloning & PCR. Show Answer Correct Answer: D) Gene cloning & PCR. 24. What is the direct manipulation of genetic material to alter the hereditary traits of a cell, organism, or population? A) Selective Breeding. B) Genetic Engineering. C) Gene Therapy. D) Cloning. Show Answer Correct Answer: B) Genetic Engineering. 25. What charge does DNA carry? A) Positive. B) Negative. C) Neutral. D) None of the above. Show Answer Correct Answer: B) Negative. 26. What describes the physical appearance of a trait? A) Alleles. B) Genotype. C) Phenotype. D) Karyotype. Show Answer Correct Answer: C) Phenotype. 27. What is the process of selecting and breeding parents with specific genetic quality to ensure that their offspring inherit the same? A) Gene Therapy. B) Genetic Engineering. C) Selective Breeding. D) Cloning. Show Answer Correct Answer: C) Selective Breeding. 28. Short single-stranded DNA fragment that defines the region to be copied A) Plasmid. B) DNA polymerase. C) Vector. D) DNA Primer. Show Answer Correct Answer: D) DNA Primer. 29. What is the purpose of combining DNA from different organisms in genetic engineering? A) To clean up toxic waste. B) To produce acid washed jeans. C) To make bacterial cells glow in the dark. D) To get recombinant DNA from two different species that can be useful to humanity. Show Answer Correct Answer: D) To get recombinant DNA from two different species that can be useful to humanity. 30. What was the source of primitive injectable insulin before the advent of genetic engineering? A) Bacteria. B) Human. C) Pig. D) Cow. Show Answer Correct Answer: C) Pig. ← 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