This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. PCR technique was invented by A) Boyer. B) Karry Mullis. C) Cohn. D) Sanger. Show Answer Correct Answer: B) Karry Mullis. 2. Scientists in North Carolina are working to create liquid biofuels from organic matter. What effect will this discovery most likely have on careers in the state? A) It will reduce the number of engineering jobs. B) It will eliminate jobs in waste management. C) It will create more jobs in energy production. D) It will create more jobs in schools. Show Answer Correct Answer: C) It will create more jobs in energy production. 3. The first recombinant DNA was created in the year ..... A) 1983. B) 1968. C) 1972. D) 1990. Show Answer Correct Answer: C) 1972. 4. The first genetically modified crop was: A) Tomato. B) Cotton. C) Maize. D) Tobacco. Show Answer Correct Answer: D) Tobacco. 5. Identify the enzyme used in the commercial production of fruit juices A) Pectinase. B) Lipase. C) DNA ligase. D) Lactase. Show Answer Correct Answer: A) Pectinase. 6. Antisense technology is used to: A) Enhance protein synthesis. B) Block gene expression. C) Clone genes. D) Transfer genes. Show Answer Correct Answer: B) Block gene expression. 7. Which one of the following techniques made it possible to genetically engineer living organisms A) Heavier isotope labelling. B) Recombination DNA techniques. C) X-ray diffraction. D) Hybridization. Show Answer Correct Answer: B) Recombination DNA techniques. 8. How do EcoRI and BamHI differ? A) Cut DNA. B) Produce different proteins. C) Different restriction sites. D) Different blunt ends. Show Answer Correct Answer: C) Different restriction sites. 9. Which of the following are the pathway of pathogens could enter our body? A) Respiratory system. B) Digestive system. C) Excretory System. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Which of the following is NOT a step in the PCR process? A) Annealing. B) Extension. C) Transcription. D) Denaturation. Show Answer Correct Answer: C) Transcription. 11. What is a major ethical issue associated with cloning animals for food production? A) It may lead to a decrease in food diversity. B) It could result in the loss of traditional farming methods. C) It raises concerns about animal welfare and rights. D) It might increase the cost of meat production. Show Answer Correct Answer: C) It raises concerns about animal welfare and rights. 12. Race horses, designer dogs and high milk production cows are all because of A) Selective breeding. B) Transformation. C) DNA recombination. D) Cloning. Show Answer Correct Answer: A) Selective breeding. 13. Which genetic engineering technique allows us to produce multiple, identical copies of a single gene? A) Cloning. B) Gene Therapy. C) PCR. D) CRISPR. Show Answer Correct Answer: A) Cloning. 14. Which enzyme would be added to fruit in order to create a larger volume of juice out of the plant cells? A) Maltase. B) Amylase. C) Pectinase. D) Pepsin. Show Answer Correct Answer: C) Pectinase. 15. Which technique would most likely be used by forensic scientists? A) Gene therapy. B) Gene cloning. C) Karyotyping. D) DNA fingerprinting. Show Answer Correct Answer: D) DNA fingerprinting. 16. Which of the following best describes a point mutation? A) A change in a single nucleotide base in DNA. B) A segment of DNA is deleted. C) A segment of DNA is inverted. D) A large segment of DNA is duplicated. Show Answer Correct Answer: A) A change in a single nucleotide base in DNA. 17. ..... in 1975 developed the procedure for DNA transfer or for the DNA blot A) Georges & Cesar. B) E. M. Southern. C) Alac Jeffry. D) Kary Mullis. Show Answer Correct Answer: B) E. M. Southern. 18. Bioteknologi dalam penerapannya tidak selalu bermanfaat bagi kehidupan sehari-hari, akan tetapi juga berdampak tidak baik bagi kita. Yang bukan dampak buruk dari bioteknologi ..... A) Hasil limbah yang tinggi hasil dari sisa produk bioteknologi. B) Mengurangi plasma nutfah di Indonesia. C) Alkohol yang dihasilkan selama proses fermentasi merusak kesehatan bila dikonsumsi. D) Menciptakan hasil pangan dengan nilai gizi yang tinggi. Show Answer Correct Answer: D) Menciptakan hasil pangan dengan nilai gizi yang tinggi. 19. Which would be reduced as a result of the development of pest-resistant crops? A) Practice of crop rotation techniques. B) Practice of hydroponic farming techniques. C) Use of organic fertilizers. D) Use of chemical insecticides. Show Answer Correct Answer: D) Use of chemical insecticides. 20. Proteins that suppress the transcription of a gene are called A) Repressors. B) Vectors. C) Inducers. D) Plasmids. Show Answer Correct Answer: A) Repressors. 21. ..... cells are used to produce human proteins at an increased rate for gene therapy. A) Human. B) Bacteria. C) Plant. D) Animal. Show Answer Correct Answer: B) Bacteria. 22. The ability of the component cells of callus to form a whole plant is known as A) Re-differentiation. B) De-differentiation. C) Either (a) or (b). D) None of these. Show Answer Correct Answer: A) Re-differentiation. 23. The patent for the first genetically engineered bacterium was given to: A) Cohen and Boyer. B) Paul Berg. C) Ananda Chakrabarty. D) Kary Mullis. Show Answer Correct Answer: C) Ananda Chakrabarty. 24. Which one of the following is not used as biofertiliser? A) Nostoc. B) Rhizobium. C) Bacillus thuringiensis. D) Anabaena. Show Answer Correct Answer: C) Bacillus thuringiensis. 25. During "gene cloning" which is called a gene taxi? A) Protozoa. B) Plasmid. C) Vaccine. D) Bacteria. Show Answer Correct Answer: B) Plasmid. 26. What is the role of operons in prokaryote gene expression? A) It makes the genes prokaryotes be turned on. B) It accounts for the regulation of gene activity in response to the needs of the cells. C) To make DNA for the gene. D) To make the gene turn of and off. Show Answer Correct Answer: B) It accounts for the regulation of gene activity in response to the needs of the cells. 27. Maximum application of animal cell culture technology today is in the production of A) Edible proteins. B) Insulin. C) Interferons. D) Vaccines. Show Answer Correct Answer: D) Vaccines. 28. An experimenter performed a transformation experiment. Which of the following describes the function of the-plasmid/LB and +plasmid/LB plates? A) To compare between the bacteria with and without the plasmid. B) To determine whether LB is required for the bacterial growth. C) To ensure the bacteria is viable after experimental set-up. D) To test whether temperature has an effect on growth. Show Answer Correct Answer: C) To ensure the bacteria is viable after experimental set-up. 29. A farmer is considering the advantages of cloning a herd of cattle from a single cow. What is one advantage of a cloned herd? A) All cattle in the herd would have the most desired traits. B) All cattle in the herd would have more genetic variation. C) All cattle in the herd would have more resistance to diseases. D) All cattle in the herd would have much longer life spans. Show Answer Correct Answer: A) All cattle in the herd would have the most desired traits. 30. A field of biology that involves the use of living things and technology to create new beneficial products. A) Bioremediation. B) Agriculture. C) Economy. D) Biotechnology. Show Answer Correct Answer: D) Biotechnology. 31. Why are bilingual handouts provided in the lesson? A) To decorate the classroom. B) To make the lesson longer. C) To cater to bilingual students. D) To confuse the students. Show Answer Correct Answer: C) To cater to bilingual students. 32. What does the abbreviation "PCR" stand for? A) Principle Chronic Reliability. B) Probably Cannot React. C) Polymerase Chain Reaction. D) Polymerase Chronic Reagent. Show Answer Correct Answer: C) Polymerase Chain Reaction. 33. A protein that regulates glucose level in the bloodstream is called A) Hemoglobin. B) Collagen. C) Insulin. D) Enzyme. Show Answer Correct Answer: C) Insulin. 34. What does transgenic mean? A) An organism that can change its genes at will. B) A stem cell that can differentiate into anything. C) An organism that has had another species' DNA put in it. D) A bacteria that reproduces asexually. Show Answer Correct Answer: C) An organism that has had another species' DNA put in it. 35. Microorganism used in insulin production A) Ecoli. B) Rhizobium. C) Pseudomonas. D) Bacillus thuringiensis. Show Answer Correct Answer: A) Ecoli. 36. Multiple Choice Questions (1-25)-Restriction enzymes are also known as: A) Molecular motors. B) Molecular glue. C) Molecular markers. D) Molecular scissors. Show Answer Correct Answer: D) Molecular scissors. 37. Which of these has to do with genetic modification? A) Gene splicing. B) Kidney surgery. C) Crossbreeding. D) Use of herbicides. Show Answer Correct Answer: A) Gene splicing. 38. Which step in PCR involves the attachment of primers? A) Denaturation. B) Replication. C) Extension. D) Annealing. Show Answer Correct Answer: D) Annealing. 39. Which statement does not describe mutations? A) Some mutations develop over time, and some are passed on genetically. B) When mutations occur, the result in the coding can be for a different or incomplete protein. C) All mutations are harmful. D) Mutations can lead to diseases. Show Answer Correct Answer: C) All mutations are harmful. 40. Patent rights protect: A) Invention. B) Natural products. C) Knowledge. D) Discovery. Show Answer Correct Answer: A) Invention. 41. Changing DNA of an organism to make something new and better (aka genetic engineering). A) Genetic modification. B) Bioremediation. C) Aquaculture. D) Stem cell. Show Answer Correct Answer: A) Genetic modification. 42. What are some benefits of Biotechnology? A) It can improve health and reduce hunger simultaneously. B) It creates flexibility within the food chain. C) It offers medical advancement opportunities. D) All of the above. Show Answer Correct Answer: D) All of the above. 43. Which is a human protein produced by bacteria as a treatment for diabetes? A) Collagen. B) Hemoglobin. C) Insulin. D) Diatase. Show Answer Correct Answer: C) Insulin. 44. The bacterium used as a natural genetic engineer of plants A) Agrobacterium tumeifaciens. B) E.coli. C) BAcillus thuringiensis. D) Thermus aquaticus. Show Answer Correct Answer: A) Agrobacterium tumeifaciens. 45. A DNA fingerprint is A) Unique sequence of repeating units in a section of DNA. B) A gene inserted into a bcteril chromosome. C) The complete sequence of an organism's DNA. D) A copy of a chromosome. Show Answer Correct Answer: A) Unique sequence of repeating units in a section of DNA. 46. 12) 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. 47. Which of the following is not a source of restriction endonuclease A) Bacilius amyloli. B) Haemophilus inuenzae. C) Escheria coli. D) Argobacterium tumefaciens. Show Answer Correct Answer: D) Argobacterium tumefaciens. 48. Scientists implant a gene into a species of tomato plant that makes them ripen faster and stay firm as they are transported to stores. What is the benefit of this technology? A) Increased toxins in the food. B) Increase shelf life and availablity. C) Decreased size of tomatoes. D) Increased seed production. Show Answer Correct Answer: B) Increase shelf life and availablity. 49. ..... media is used for hybridoma cell culture. A) HAT. B) CHO-S. C) Leibovitz L-15. D) Feed-220. Show Answer Correct Answer: A) HAT. 50. Multiple Choice Questions (1-25)-Transformation refers to: A) Uptake of foreign DNA by a cell. B) Cutting of DNA. C) Ligation of DNA fragments. D) None of these. Show Answer Correct Answer: A) Uptake of foreign DNA by a cell. 51. ..... are used to ..... DNA pieces by ..... A) Restriction enzymes, isolate, "snipping". B) Plasmids, isolate, "snipping". C) Plasmids, connect, fission. D) Restriction enzymes, connect, fission. Show Answer Correct Answer: A) Restriction enzymes, isolate, "snipping". 52. Why is Dolly the sheep considered a clone? A) The source of Dolly's DNA is a single cell taken from an adult donor. B) The DNA molecules in each of Dolly's cells are different. C) Dolly has a mix of genes from her foster mother and the sheep that donated a nucleus of one of its cells. D) Dolly is genetically identical to her offspring. Show Answer Correct Answer: A) The source of Dolly's DNA is a single cell taken from an adult donor. 53. What is the purpose of a DNA library? A) To store proteins for enzymatic reactions. B) To replicate DNA sequences for cloning purposes. C) To sequence RNA molecules for protein synthesis. D) The purpose of a DNA library is to store and provide access to DNA sequences for research and analysis. Show Answer Correct Answer: D) The purpose of a DNA library is to store and provide access to DNA sequences for research and analysis. 54. How is artificial selection different from genetic engineering? A) Artificial selection is used to make genetically identical copies of an organism, cell, or piece of genetic material. B) Artificial selection does not directly change a single organisms dna. C) Artificial selection is not related to genetics. D) Artificial selection is not an example of biotechnology. Show Answer Correct Answer: B) Artificial selection does not directly change a single organisms dna. 55. The enzyme used in the dis-aggregation of embryonic and malignant tissues is A) Trypsin. B) Resin. C) Collagen. D) Lenin. Show Answer Correct Answer: A) Trypsin. 56. The first genomic libraries were cloned in ..... A) Plants. B) Human. C) Plasmid. D) Bacteria. Show Answer Correct Answer: C) Plasmid. 57. The repressor is the protein product of a(n) A) Corepressor. B) Regulatory gene. C) Lac gene. D) Operator. Show Answer Correct Answer: B) Regulatory gene. 58. Relating to drugs used for medicine. A) Pharmaceutical. B) Genome. C) Agriculture. D) Crop Yield. Show Answer Correct Answer: B) Genome. 59. The technique in which nucleic acids or proteins are immobilized onto a solid support is called as ..... A) Hybridisation. B) Blotting. C) Immobilization. D) None of the above. Show Answer Correct Answer: B) Blotting. 60. For how long have biological processes been utilized in biotechnology? A) Hundreds of years. B) Thousands of years. C) Decades. D) Centuries. Show Answer Correct Answer: B) Thousands of years. ← 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