This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 45 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is an example of selective breeding? A) Asexual reproduction. B) Natural selection. C) Survival of the fittest. D) Dog breeding for desired characteristics. Show Answer Correct Answer: D) Dog breeding for desired characteristics. 2. Construction of a recombinant DNA involves A) Cleaving and rejoining DNA SEGMENT with ligase alone. B) Cleaving DNA segment with ligase and joining them with endonuclease. C) Cleaving DNA segment with endonuclease and joining them with ligase. D) Cleaving and rejoining DNA segment with endonuclease alone. Show Answer Correct Answer: C) Cleaving DNA segment with endonuclease and joining them with ligase. 3. Which of the below biotechnological advances is MOST beneficial to Florida FARMERS? A) Development of disease resistant plants for higher yields. B) Development of more effective human vaccines. C) The ability to create more antibiotics from bacteria. D) Producing enzymes to eliminate pollutants. Show Answer Correct Answer: A) Development of disease resistant plants for higher yields. 4. Genetic modification is a technique used in A) Herbicide-resistant crops. B) Transgenic organisms. C) Cloning. D) All of the above. Show Answer Correct Answer: D) All of the above. 5. What is the most logical sequence of steps for splicing foreign DNA into a plasmid and inserting the plasmid into a bacterium?I) Grow transgenic bacteria.II) Cut the plasmid DNA using restriction enzymes.III) Extract plasmid DNA from a bacterial cell.IV) Create recombinant DNA.V) Combine the gene of interest to the plasmid, creating recombinant DNA A) I, II, IV, III, V. B) III, II, IV, V, I. C) II, III, V, IV, I. D) III, IV, V, I, II. Show Answer Correct Answer: B) III, II, IV, V, I. 6. What enzyme is used to cut a specific spot in the plasmid? A) Ligase. B) Polymerase. C) Restriction enzyme. D) Helicase. Show Answer Correct Answer: C) Restriction enzyme. 7. What is tissue culture in plant biotechnology? A) Studying plant tissues under a microscope. B) Growing plants in a laboratory from tissues. C) Drawing diagrams of plant tissues. D) Eating plant tissues. Show Answer Correct Answer: B) Growing plants in a laboratory from tissues. 8. Disorder in which $\beta$-lymphocytes and T-lymphocytes are not formed is ..... A) AIDS. B) Cystic Fibrosis. C) SCID. D) Muscular Dystrophy. Show Answer Correct Answer: C) SCID. 9. Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes? A) BOD Reactor. B) Sludge digester. C) Industrial oven. D) Bioreactor. Show Answer Correct Answer: D) Bioreactor. 10. Which is NOT a way in which biotechnology can benefit agriculture? A) Improving farming machinery. B) Increasing crop production. C) Reducing the number of crops lost to insects. D) Producing better-tasting fruits and vegetables. Show Answer Correct Answer: A) Improving farming machinery. 11. What is a fermented alcohol made from the sugar found in corn? A) Oxygen. B) Hydrogen. C) Acetone. D) Ethanol. Show Answer Correct Answer: D) Ethanol. 12. Plasmids are found in bacteria. Scientists use plasmids to A) Insert eukaryotic genes into bacteria. B) Insert eukaryotic genes into humans. C) Insert clones into the parent organism. D) None of the above. Show Answer Correct Answer: A) Insert eukaryotic genes into bacteria. 13. Organisms that have foreign DNA inserted from a different species are called A) Transgenic. B) Transmutated. C) Adenoviruses. D) Haploid. Show Answer Correct Answer: A) Transgenic. 14. Which molecule from humans is inserted into bacteria to cause them to produce insulin? A) DNA. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: A) DNA. 15. T6-Combining DNA from 2 different organisms is called A) Bioengineering. B) Biotechnology. C) Recombinant DNA. D) Genetic Engineering. Show Answer Correct Answer: C) Recombinant DNA. 16. What are the enzymes are used in microbial enzyme A) Protease. B) Lipase. C) Both (a) and (b). D) None of the above. Show Answer Correct Answer: C) Both (a) and (b). 17. Cancer is defined as the A) Uncontrolled division of mutated cells. B) Normal division of cells. C) Normal DNA replication. D) Abnormal ATP synthesis. Show Answer Correct Answer: A) Uncontrolled division of mutated cells. 18. Which produces offspring from a single cell of an adult? A) Inbreeding. B) Mutations. C) Hybridization. D) Cloning. Show Answer Correct Answer: D) Cloning. 19. Which is used extensively for genetic engineering in plants? A) Agrobacterium tumefaciens. B) Xanthomonas citri. C) Bacillus coagulens. D) Clostridium septicum. Show Answer Correct Answer: A) Agrobacterium tumefaciens. 20. In which area would biotechnology have the greatest effect on agriculture? A) Development of biological weapons. B) Development of biopharmaceuticals. C) Development of biological pesticides. D) Development of biodegradable plastics. Show Answer Correct Answer: C) Development of biological pesticides. 21. What is CRISPR technology? A) A method for cloning organisms. B) A revolutionary gene-editing technology that allows for precise modifications to DNA in living organisms. C) A technique for DNA sequencing. D) A process for creating genetically modified organisms without editing their DNA. Show Answer Correct Answer: B) A revolutionary gene-editing technology that allows for precise modifications to DNA in living organisms. 22. A self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes A) RNA. B) DNA. C) GMO. D) Hybrid. Show Answer Correct Answer: B) DNA. 23. What would be a negative side of genetically modified foods? A) Lower cost of production. B) Long-term health effects, such as possible allergies to proteins not found in foods before GMO's. C) Ability to produce more food in less time. D) Ability to grow more nutritious food in less time. Show Answer Correct Answer: B) Long-term health effects, such as possible allergies to proteins not found in foods before GMO's. 24. Which of the following is common in sticky ends and molecular probes? A) They both are parts of RNA molecules. B) They both involve complementary pairing. C) They both are important aspects of bacterial sex. D) They both are used as gene vectors in genetic engineering. Show Answer Correct Answer: B) They both involve complementary pairing. 25. Which process describes how many pure-bred dogs have been produced? A) Cloning. B) Crossbreeding. C) Selective breeding. D) None of the above. Show Answer Correct Answer: C) Selective breeding. ← 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