This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Moral principles that govern a person's behavior or the conducting of an activity. What is this? A) Biofortified. B) GMO. C) Ethics. D) Genetic engineering. Show Answer Correct Answer: C) Ethics. 2. What type of DNA contains DNA from 2 different organisms? A) Transcribed DNA. B) Recombinant DNA. C) Cloned DNA. D) None of the above. Show Answer Correct Answer: B) Recombinant DNA. 3. A:RNA interference protects plants from nematodes. R:It silences specific mRNA responsible for nematode infection. Choose the correct option about A and R. A) Both A and R are true, and R is the correct explanation of A. B) Both A and R are true, but R is not the correct explanation of A. C) A is true, but R is false. D) A is false, but R is true. Show Answer Correct Answer: A) Both A and R are true, and R is the correct explanation of A. 4. Chromosomal or genomic DNA is separated by A) Sedimentation. B) Dissolution in water. C) Centrifugation. D) Distillation. Show Answer Correct Answer: C) Centrifugation. 5. Issues that refer to people's moral values or the code of conduct by which they live A) Social issues. B) Legal issues. C) Cultural issues. D) Ethical issues. Show Answer Correct Answer: D) Ethical issues. 6. Multiple Choice Questions (1-25)-In agarose gel electrophoresis, DNA moves towards: A) Anode. B) Cathode. C) Remains stationary. D) Both ends. Show Answer Correct Answer: A) Anode. 7. Deoxyribonucleic Acid, the blueprint or "recipe" for cells. A) DNA. B) GMO. C) Cloning. D) Modify. Show Answer Correct Answer: A) DNA. 8. In Southern blotting, ..... type paper is used for blot transfer A) Nitrocellulose membrane or Nylon membrane filter. B) Whatman filter paper. C) Paper towel filter paper. D) None. Show Answer Correct Answer: A) Nitrocellulose membrane or Nylon membrane filter. 9. An antibiotic resistance gene in a vector usually helps in the selection of A) Competent cells. B) Transformed cells. C) Recombinant cells. D) None of these. Show Answer Correct Answer: B) Transformed cells. 10. Geologists use radioactive dating to determine THE ABSOLUTE AGE OF ROCKS. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. While isolating DNA from bacteria which of the following enzyme is not used A) Lysozyme. B) Ribonuclease. C) Deoxyribonuclease. D) Protease. Show Answer Correct Answer: C) Deoxyribonuclease. 12. A bioprocessing factory receives daily deliveries of oxygen to use for the: A) Workers. B) Microbes. C) Machines. D) Purification. Show Answer Correct Answer: B) Microbes. 13. What is an ethical issue involved in cloning? A) Increased biodiversity of the species being cloned. B) Destroying and using embryos for research purposes with unpredictable outcomes. C) Decrease in the production of plant and animal based food. D) Poor funding of stem cell research by the government. Show Answer Correct Answer: B) Destroying and using embryos for research purposes with unpredictable outcomes. 14. Which is a benefit of genetically modified foods? A) The cost of research is included in the cost to the consumer. B) The cost of food will decrease, and the quality of food will increase. C) When foods are genetically modified, they no longer need to be studied. D) When foods are genetically modified, they are completely resistant to disease and drought. Show Answer Correct Answer: B) The cost of food will decrease, and the quality of food will increase. 15. An organism that lives on or in a host, and causes it harm while it takes its nutrients is called A) A host. B) A parasite. C) A cell. D) A virus. Show Answer Correct Answer: B) A parasite. 16. David tests a small amount of new drug developed at a laboratory to make sure it meets the Food and Drug Administration standards. What is most likely David's occupation? A) Pharmaceutical technician. B) Pharmaceutical salesman. C) Pharmacist. D) Physician. Show Answer Correct Answer: A) Pharmaceutical technician. 17. ..... Medium is commonly used in tissue culture technique A) PDA. B) M.S. C) Agar-Agar. D) Czapek Dox. Show Answer Correct Answer: B) M.S. 18. The type of bond formed by DNA ligase between adjacent nucleotides is A) Hydrogen bond. B) Phosphodiester bond. C) Sulphide bond. D) Diester bond. Show Answer Correct Answer: B) Phosphodiester bond. 19. What process could cure genetic disorders by replacing defective genes with working ones? A) Cloning. B) Nondisjunction. C) Gene therapy. D) Gel electrophoresis. Show Answer Correct Answer: C) Gene therapy. 20. In molecular cloning, a ..... is used to insert a fragment of DNA into the host cell. A) Plasmid. B) DNA fragment. C) Bacterium. D) Virus. Show Answer Correct Answer: A) Plasmid. 21. Besides the nucleus, which other organelle in your cell has DNA in it? A) Mitochondria. B) Vacuole. C) Ribosomes. D) Lysosomes. Show Answer Correct Answer: A) Mitochondria. 22. Enzyme used to open the cell envelope of a bacteria A) Cellulase. B) Chitinase. C) Lysozyme. D) Ribozyme. Show Answer Correct Answer: C) Lysozyme. 23. Which structure involved in genetic engineering? A) Plastid. B) Plasmid. C) Codon. D) None of these. Show Answer Correct Answer: B) Plasmid. 24. Which of the following is not a feature of plasmids? A) Extra chromosomal. B) Circular structure. C) Single stranded. D) Independent replication. Show Answer Correct Answer: C) Single stranded. 25. How can mutations be beneficial in the context of evolution? A) They can introduce genetic diversity that may enhance survival. B) They always lead to genetic disorders. C) They prevent any changes in the genetic code. D) They eliminate genetic diversity. Show Answer Correct Answer: A) They can introduce genetic diversity that may enhance survival. ← 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