This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ends of DNA fragments are sticky due to ..... A) Unpaired bases. B) Calcium ions. C) Endonuclease. D) Free Methylation. Show Answer Correct Answer: A) Unpaired bases. 2. Procedure used to separate and analyze DNA fragments by placing a mixture of DNA fragments at one end of a porous gel and applying an electrical voltage to the gel A) Polymerase Chain Reaction. B) Gel Electrophoresis. C) Transgenic organisms. D) Protein synthesis. Show Answer Correct Answer: B) Gel Electrophoresis. 3. A tree is not an organism A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Bt cotton genes repel A) Insect pest. B) Nematode pest. C) Fungal pathogens. D) Bacterial pathogens. Show Answer Correct Answer: A) Insect pest. 5. Which technique used molecular sieving? A) PCR. B) ELISA. C) Gel electrophoresis. D) Southern blotting. Show Answer Correct Answer: C) Gel electrophoresis. 6. The DNA molecule to which the gene of interest is integrated for cloning is called A) Transformer. B) Carrier. C) Vector. D) Template. Show Answer Correct Answer: C) Vector. 7. Which of the following is an example of biotech in which researchers sequenced and mapped ALL genes in the human species? A) Stem Cells. B) Human Genome Project. C) Cloning. D) Gene Therapy. Show Answer Correct Answer: B) Human Genome Project. 8. Jamur Saccharomyces cereviciae berperan dalam pembuatan ..... A) Tempe. B) Tape. C) Oncom. D) Kecap. Show Answer Correct Answer: B) Tape. 9. Genes found on DNA contain the instructions for making A) Pyrimidines. B) Pyrimidines. C) Proteins. D) Purines. Show Answer Correct Answer: C) Proteins. 10. Tanner was doing a research study on the effects of prolonged sitting on the heart. He completed the research and now needs to have the study published. Who would help him with this task? A) Computer programmer. B) Medical editor or writer. C) Bioinformatics specialist. D) Clinical data manager. Show Answer Correct Answer: B) Medical editor or writer. 11. What would be a direct benefit of biotechnology to agriculture in a time of severe drought? A) Planting crops in shaded areas. B) Genetically modifying crops to be resistant to changes in weather. C) Harvesting crops to have thick stems and leaves. D) None of the above. Show Answer Correct Answer: B) Genetically modifying crops to be resistant to changes in weather. 12. Which is a way the agricultural biotechnology industry could have a positive impact on the worldwide food crisis? A) Y producing crops that are cold weather resistant. B) By making robots to replace large farm machines. C) Y digging wells for people with no water. D) Y increasing the efficiency of wind farms. Show Answer Correct Answer: A) Y producing crops that are cold weather resistant. 13. First clinical product produced using recombinant DNA technology was? A) Human insulin. B) Streptokinase. C) Interferon. D) Alpha-1-antitrypsin. Show Answer Correct Answer: A) Human insulin. 14. Multiple Choice Questions (1-25)-Which of the following is not a feature of a good vector? A) Self-replication. B) High copy number. C) Large size. D) Selectable marker. Show Answer Correct Answer: C) Large size. 15. After finding the location of a gene, how can a scientist take it out of a cell? A) Using a microscope. B) Using PCR. C) Using scissors. D) Using enzymes. Show Answer Correct Answer: D) Using enzymes. 16. Multiple Choice Questions (1-25)-Which of the following enzymes is used to join DNA fragments? A) DNA polymerase. B) RNA polymerase. C) DNA ligase. D) Restriction enzyme. Show Answer Correct Answer: C) DNA ligase. 17. What is the name of the stretch of DNA where RNA polymerase binds? A) Operator. B) Promoter. C) Enhancer. D) Regulatory gene. Show Answer Correct Answer: B) Promoter. 18. Which of these is used for Genome Editing-changing the SEQUENCE of bases in the DNA A) DNA Extraction. B) GMO. C) CRISPR. D) DNA Fingerprint. Show Answer Correct Answer: C) CRISPR. 19. Which best describes genetic modification? A) It allows large quantities of medications to be produced. B) It improves the removal of pollution from soil and water. C) It is used to alter crops to become insect-resistant. D) None of the above. Show Answer Correct Answer: C) It is used to alter crops to become insect-resistant. 20. ..... is an application of the human genome project that involves the insertion of normal genes into cells with defective genes in order to correct genetic disorders. A) Gene gun. B) Gene mapping. C) Gene linkage. D) Gene therapy. Show Answer Correct Answer: D) Gene therapy. 21. Which of the following is true for Golden rice? A) It is Vitamin A enriched, with a gene from daffodil. B) It is pest resistant, with a gene from Bacillus thuringiensis. C) It is drought tolerant, developed using Agrobacterium vector. D) It has yellow grains, because of a gene introduced from a primitive variety of rice. Show Answer Correct Answer: A) It is Vitamin A enriched, with a gene from daffodil. 22. Pandemics are worldwide. (True or False) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Undifferentiated mass of cells produced in tissue culture is called A) Meristem. B) Callus. C) Totipotency. D) Micropropagule. Show Answer Correct Answer: B) Callus. 24. Gel electrophoresis is used for A) Construction of recombinant DNA by joining with cloning vectors. B) Isolation of DNA molecules. C) Cutting of DNA into fragments. D) Separation of DNA fragments according to their size. Show Answer Correct Answer: D) Separation of DNA fragments according to their size. 25. Molecular scissors that "cut' DNA A) Plasmid. B) Restriction enzymes. C) Recombinant DNA. D) Gene. Show Answer Correct Answer: B) Restriction enzymes. ← 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