This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 17 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The polymerase chain reaction is important because it allows us to A) Insert eukaryotic genes into prokaryotic plasmids. B) Incorporate genes into viruses. C) Make many copies of a targeted segment of DNA. D) Make DNA from RNA. Show Answer Correct Answer: C) Make many copies of a targeted segment of DNA. 2. The site of production of ADA in the body is A) Lymphocytes. B) Erythrocytes. C) Osteocytes. D) Blood plasma. Show Answer Correct Answer: A) Lymphocytes. 3. The purpose of the lac operon is to produce enzymes that A) Use tryptophan. B) Synthesize lactose. C) Synthesize tryptophan. D) Use lactose. Show Answer Correct Answer: D) Use lactose. 4. The first transgenic animal was: A) Pig. B) Mouse. C) Sheep. D) Cow. Show Answer Correct Answer: B) Mouse. 5. Aeroponik mempunyai arti ..... A) Pemberdayaan udara. B) Pemberdayaan air. C) Pemberdayaan lahan. D) Pemberdayaan tanah. Show Answer Correct Answer: A) Pemberdayaan udara. 6. Which biotechnology is used to make exact DNA copies of an organism? A) Inbreeding. B) Gel electrophoresis. C) Cloning. D) Genetic Engineering. Show Answer Correct Answer: C) Cloning. 7. Restriction enzymes were discovered by A) Smith and Nathans. B) Alexander Fleming. C) Berg. D) None. Show Answer Correct Answer: A) Smith and Nathans. 8. Which best describes how using engineered crops can impact the economy of North Carolina? A) Increased jobs in the field of agriculture. B) Decreased availability of productive land. C) Decreased crop yields and decreased income for farmers. D) Increased crop yields and increased income for farmers. Show Answer Correct Answer: D) Increased crop yields and increased income for farmers. 9. Which of the following is a primary application of biotechnology in agriculture? A) Increasing the size of farm machinery. B) Developing drought-resistant crop varieties. C) Reducing the need for manual labor. D) Enhancing the flavor of organic foods. Show Answer Correct Answer: B) Developing drought-resistant crop varieties. 10. In RNAi, genes are silenced using A) SsRNA. B) SsDNA. C) DsDNA. D) DsRNA. Show Answer Correct Answer: D) DsRNA. 11. To (cause to) become healthy or well again: A) Bleed. B) Hear. C) Beat. D) Heal. Show Answer Correct Answer: D) Heal. 12. Which of the following is a concern with genetic modification? A) It can cause health related issues. B) It can help the farming industry grow more crops. C) The loss of identity. D) They can create multiple children during pregnancy. Show Answer Correct Answer: A) It can cause health related issues. 13. All of an organisms genetic material( or all your set of genes) is called A) Genome. B) Organs. C) Organs system. D) Organism. Show Answer Correct Answer: A) Genome. 14. Multiple Choice Questions (1-25)-The first recombinant DNA molecule was constructed by: A) Boyer and Cohen. B) Watson and Crick. C) Nirenberg and Khorana. D) Paul Berg. Show Answer Correct Answer: D) Paul Berg. 15. What is the toxic protein secreted by Bacillus thuringiensis A) Cry. B) Cry. C) Cry. D) Cry. Show Answer Correct Answer: A) Cry. 16. If one fragment was placed in the thermocycler for a PCR experiment, how many fragments would exist after 5 cycles? A) 10. B) 64. C) 32. D) 16. Show Answer Correct Answer: C) 32. 17. Bioremediation would most likely be used to improve the quality of A) Schools. B) Entertainment. C) Water or Soil. D) Merchandise. Show Answer Correct Answer: C) Water or Soil. 18. The use of organisms to detoxify and restore polluted and degraded ecosystems. A) Bioremediation. B) DNA fingerprint. C) Biotechnology. D) Recombinant DNA. Show Answer Correct Answer: A) Bioremediation. 19. The process of separating DNA fragments to produce DNA fingerprints is called A) Gel electrophoresis. B) Cloning. C) Genetic splicing. D) DNA fingerprinting. Show Answer Correct Answer: A) Gel electrophoresis. 20. What are the selectable markers in pBR322 A) Tetracycline resistance gene. B) Ampicillin resistance gene. C) None of these. D) Both of these. Show Answer Correct Answer: D) Both of these. 21. This person is responsible for conducting research, and monitoring and assessing the effects of chemicals on the human body, environment and other living things. A) Toxicologist. B) Microbiologist. C) Biomedical engineer. D) Biochemist. Show Answer Correct Answer: A) Toxicologist. 22. The laboratory process that makes many copies of DNA A) PCR. B) Electrophoresis. C) Gene Therapy. D) None of the above. Show Answer Correct Answer: A) PCR. 23. When analyzing a DNA fingerprint, what are you looking at? A) DNA fragments. B) RNA Fragments. C) All the above. D) None of the above. Show Answer Correct Answer: A) DNA fragments. 24. Which term is not related to the word "agriculture" ? A) Cultivation. B) Crops. C) Farming. D) Physics. Show Answer Correct Answer: D) Physics. 25. What cell organelle carries its own DNA passed down from the mother and is used to trace genealogy? A) Golgi apparatus. B) Vesicles. C) Ribosome. D) Mitochondria. Show Answer Correct Answer: D) Mitochondria. 26. A type of transformation that results in an organism that that contains genes from different species. A) Hybridization. B) Recombinant DNA. C) Transgenic. D) None of the above. Show Answer Correct Answer: C) Transgenic. 27. What is the scientific name of the nematode that attacks the root of the tobacco plant? A) Bacillus thuringiensis. B) Azetobacter. C) Meliodogyne incognitia. D) Ring worm. Show Answer Correct Answer: C) Meliodogyne incognitia. 28. Peningkatan produksi peternakan untuk mendapatkan bibit unggul tanpa menghadirkan pejantan, misalnya ..... A) Inseminasi pada sapi. B) Vaksinasi pada kambing. C) Fertilisasi pada ayam. D) Fertilisasi pada burung. Show Answer Correct Answer: A) Inseminasi pada sapi. 29. What year was biotechnology used first? A) 1972. B) 1931. C) 1820. D) 1919. Show Answer Correct Answer: D) 1919. 30. Mikroorganisme yang berperan dalam pembuatan yoghurt adalah ..... A) Rhizopus oryzae dan Rhizopus stoloniferus. B) Saccharomyces cerevisiae dan Aspergillus oryzae. C) Lactobacillus bulgaricus dan Streptococcus cremoris. D) Streptococcus lactis dan Leuconostoc cremoris. Show Answer Correct Answer: C) Lactobacillus bulgaricus dan Streptococcus cremoris. 31. Why is the number of biotechnology careers most likely increasing across the U.S.? A) They are simple careers to learn. B) They require no education past high school. C) They are an inexpensive way to provide new food products and medicines. D) They are needed to meet the public demand for new food products and medicines. Show Answer Correct Answer: D) They are needed to meet the public demand for new food products and medicines. 32. Cry II Ab and Cry I Ab produces toxin that control A) Cotton boll worms and corn borer. B) Corn borer and cotton boll worms. C) Tobacco budworms and nematodes. D) Cornborer and tobacco budworms. Show Answer Correct Answer: A) Cotton boll worms and corn borer. 33. The entire collection of genes within human cells is referred to as the ..... A) Karyotype. B) Gene map. C) Pedigree. D) Human genome. Show Answer Correct Answer: D) Human genome. 34. What is the process of making copies of the genetic material known as? A) Vaccine production. B) Cell culture. C) Gene cloning. D) Genetic modification. Show Answer Correct Answer: B) Cell culture. 35. What is the function of gel electrophoresis? A) To separate DNA fragments according to size and charge. B) To cut DNA. C) To recombine DNA. D) To extract DNA. Show Answer Correct Answer: A) To separate DNA fragments according to size and charge. 36. The ends of DNA fragments are sticky due to ..... A) Free Methylation. B) Calcium ions. C) Unpaired bases. D) Endonuclease. Show Answer Correct Answer: C) Unpaired bases. 37. 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) Protein synthesis. B) Polymerase Chain Reaction. C) Transgenic organisms. D) Gel Electrophoresis. Show Answer Correct Answer: D) Gel Electrophoresis. 38. 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. 39. Bt cotton genes repel A) Bacterial pathogens. B) Nematode pest. C) Insect pest. D) Fungal pathogens. Show Answer Correct Answer: C) Insect pest. 40. Which technique used molecular sieving? A) ELISA. B) Gel electrophoresis. C) Southern blotting. D) PCR. Show Answer Correct Answer: B) Gel electrophoresis. 41. The DNA molecule to which the gene of interest is integrated for cloning is called A) Carrier. B) Transformer. C) Vector. D) Template. Show Answer Correct Answer: C) Vector. 42. Which of the following is an example of biotech in which researchers sequenced and mapped ALL genes in the human species? A) Cloning. B) Human Genome Project. C) Gene Therapy. D) Stem Cells. Show Answer Correct Answer: B) Human Genome Project. 43. Jamur Saccharomyces cereviciae berperan dalam pembuatan ..... A) Kecap. B) Oncom. C) Tape. D) Tempe. Show Answer Correct Answer: C) Tape. 44. Genes found on DNA contain the instructions for making A) Purines. B) Proteins. C) Pyrimidines. D) Pyrimidines. Show Answer Correct Answer: B) Proteins. 45. 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) Medical editor or writer. B) Computer programmer. C) Clinical data manager. D) Bioinformatics specialist. Show Answer Correct Answer: A) Medical editor or writer. 46. 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. 47. Which is a way the agricultural biotechnology industry could have a positive impact on the worldwide food crisis? A) By making robots to replace large farm machines. B) Y producing crops that are cold weather resistant. C) Y digging wells for people with no water. D) Y increasing the efficiency of wind farms. Show Answer Correct Answer: B) Y producing crops that are cold weather resistant. 48. First clinical product produced using recombinant DNA technology was? A) Alpha-1-antitrypsin. B) Human insulin. C) Interferon. D) Streptokinase. Show Answer Correct Answer: B) Human insulin. 49. Multiple Choice Questions (1-25)-Which of the following is not a feature of a good vector? A) Large size. B) Self-replication. C) High copy number. D) Selectable marker. Show Answer Correct Answer: A) Large size. 50. After finding the location of a gene, how can a scientist take it out of a cell? A) Using scissors. B) Using enzymes. C) Using a microscope. D) Using PCR. Show Answer Correct Answer: B) Using enzymes. 51. Multiple Choice Questions (1-25)-Which of the following enzymes is used to join DNA fragments? A) DNA ligase. B) RNA polymerase. C) DNA polymerase. D) Restriction enzyme. Show Answer Correct Answer: A) DNA ligase. 52. What is the name of the stretch of DNA where RNA polymerase binds? A) Enhancer. B) Operator. C) Promoter. D) Regulatory gene. Show Answer Correct Answer: C) Promoter. 53. Which of these is used for Genome Editing-changing the SEQUENCE of bases in the DNA A) GMO. B) DNA Fingerprint. C) CRISPR. D) DNA Extraction. Show Answer Correct Answer: C) CRISPR. 54. 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. 55. ..... 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 linkage. C) Gene mapping. D) Gene therapy. Show Answer Correct Answer: D) Gene therapy. 56. Which of the following is true for Golden rice? A) It is pest resistant, with a gene from Bacillus thuringiensis. B) It has yellow grains, because of a gene introduced from a primitive variety of rice. C) It is drought tolerant, developed using Agrobacterium vector. D) It is Vitamin A enriched, with a gene from daffodil. Show Answer Correct Answer: D) It is Vitamin A enriched, with a gene from daffodil. 57. 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. 58. Undifferentiated mass of cells produced in tissue culture is called A) Meristem. B) Callus. C) Totipotency. D) Micropropagule. Show Answer Correct Answer: B) Callus. 59. Gel electrophoresis is used for A) Construction of recombinant DNA by joining with cloning vectors. B) Separation of DNA fragments according to their size. C) Isolation of DNA molecules. D) Cutting of DNA into fragments. Show Answer Correct Answer: B) Separation of DNA fragments according to their size. 60. Molecular scissors that "cut' DNA A) Restriction enzymes. B) Plasmid. C) Recombinant DNA. D) Gene. Show Answer Correct Answer: A) Restriction enzymes. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books