This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The linking of antibodies resistance gene with plasmid vector became possible with A) DNA ligase. B) Exonucleases. C) Endonucleases. D) DNA polymerase. Show Answer Correct Answer: A) DNA ligase. 2. In biotechnology, what is the role of a plasmid in genetic engineering? A) To act as a vector for gene transfer. B) To replicate independently of chromosomal DNA. C) To degrade unwanted proteins. D) To synthesize RNA molecules. Show Answer Correct Answer: A) To act as a vector for gene transfer. 3. What is a technique that can be used to treat genetic disorders? A) Physical therapy. B) Gene therapy. C) Vaccine. D) Antibiotics. Show Answer Correct Answer: B) Gene therapy. 4. In biotechnology, which tool is used to amplify small segments of DNA for analysis? A) Gel electrophoresis. B) Polymerase Chain Reaction (PCR). C) CRISPR-Cas9. D) DNA sequencing. Show Answer Correct Answer: B) Polymerase Chain Reaction (PCR). 5. PBR322 plasmid was created by ..... A) Bolivar. B) R. Rodriguez. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 6. In a lab who would be the person actually running the tests and experiments on samples? A) Laboratory technician. B) Only the research scientist can do these things. C) Clinical trial coordinator. D) Laboratory supervisor. Show Answer Correct Answer: A) Laboratory technician. 7. Biotechnology has many applications. Which would not be considered a benefit of biotechnology? A) Helps to heal the world. B) Helps to feed the world. C) Helps to fuel the world. D) Helps to travel the world. Show Answer Correct Answer: D) Helps to travel the world. 8. Which of the following results would indicate that transformation of the bacteria occurred? A) Growth in LB agar. B) Growth in LB/ Amp agar by bacteria with the plasmid. C) Growth in Amp agar by bacteria without plasmid. D) None of these answers are correct. Show Answer Correct Answer: B) Growth in LB/ Amp agar by bacteria with the plasmid. 9. What type of mutation involves substituting a DNA base with a different base but still forms the same protein? A) Frameshift insertion. B) Point missense. C) Point nonsense. D) Point silent. E) Frameshift deletion. Show Answer Correct Answer: D) Point silent. 10. Given favorable conditions, which disease-causing agent could quickly multiply into colonies of billions of cells in the space of a drop of water? A) Bacteria. B) Fungi. C) Protists. D) Viruses. Show Answer Correct Answer: A) Bacteria. 11. CRISPR-Cas9 is a revolutionary tool in biotechnology. What is its main function? A) To replicate DNA. B) To edit genes. C) To synthesize proteins. D) To degrade RNA. Show Answer Correct Answer: B) To edit genes. 12. Which project is most likely to interest a scientist working at a biotechnology company? A) Study and reconstruction of fossilized bones. B) Conservation of key species within ecosystems. C) Prevention of sewage leaking into water supplies. D) Development of genetically modified corn plants. Show Answer Correct Answer: D) Development of genetically modified corn plants. 13. Humans deciding what plant or animal traits they want in a future offspring is known as ..... A) Biotechnology. B) Selective Breeding. C) Transformation. D) Transgenics. Show Answer Correct Answer: B) Selective Breeding. 14. People have been cloning plants for how long? A) Thousands of years. B) Hundreds of years. C) Only in the last ten years. D) People can't clone plants!. Show Answer Correct Answer: A) Thousands of years. 15. Which of the following examples of genetic engineering repairs existing abnormal genes? A) CRISPR. B) PCR. C) Gel Electrophoresis. D) Cloning. Show Answer Correct Answer: A) CRISPR. 16. What is the primary reason that scientists use restriction enzymes? A) To speed up the electrical current that separates DNA fragments. B) Restriction enzymes are used when the whole chromosome is too large to study easily. C) To help produce millions or billions of copies of a DNA fragment. D) All of the above. Show Answer Correct Answer: B) Restriction enzymes are used when the whole chromosome is too large to study easily. 17. Which statement is NOT an ethical concern about Genetically Modified Organisms (GMOs)? A) Farmers will be able to increase their farms and make more money. B) The long-term effects of these foods are unknown. C) A decrease in genetic diversity of plants. D) Genes for pesticide resistance might transfer to weeds by cross-pollination. Show Answer Correct Answer: A) Farmers will be able to increase their farms and make more money. 18. Why sticky ends are called so? A) Because they form hydrogen bonds with their complementary bases. B) Because they form ionic bonds with their complementary bases. C) Because they form peptide bonds with their complementary bases. D) Because they form covalent bonds with their complementary bases. Show Answer Correct Answer: A) Because they form hydrogen bonds with their complementary bases. 19. All of the following are biotechnology tools except A) Protein. B) DNA. C) Cells. D) Crystals. Show Answer Correct Answer: D) Crystals. 20. Ten people became sick with the flu after attending a school dance. What is the best explanation for how the people got sick? A) Contact with an environmental source. B) Contact with an infected animal. C) Contact with a contaminated object. D) Contact with an infected person. Show Answer Correct Answer: D) Contact with an infected person. 21. A project that analyzes the order of bases for all the genes in the human DNA. A) Human Genome Project. B) Gene Therapy. C) Cloning. D) None of the above. Show Answer Correct Answer: A) Human Genome Project. 22. To produce industrial ethanol, one needs corn, water, and what? A) Sodium and Chlorine. B) Vitamins and minerals. C) Enzymes and yeast. D) Gas and oil. Show Answer Correct Answer: C) Enzymes and yeast. 23. Gene cloning is: A) Gene is isolated and inserted in same organism. B) Gene is isolated and inserted in different organism. C) Gene is isolated and inserted in plasmid of other organism. D) Gene is isolated and inserted in chromosomal DNA. Show Answer Correct Answer: B) Gene is isolated and inserted in different organism. 24. This is the process of creating a unique image of an individual's alleles based on their size and using that image to identify an individual's DNA A) Cloning. B) Gel Electrophoresis. C) Genetic Engineering. D) DNA Fingerprinting. Show Answer Correct Answer: D) DNA Fingerprinting. 25. Which of the following could be used as a vector for a human gene? A) Bacterial Plasmid. B) Bacteria. C) A mitochondria. D) MRNA. Show Answer Correct Answer: A) Bacterial Plasmid. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 1Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 2Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 3Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 4Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 5Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 6Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 7Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 8Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 9Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books