This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 20 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Transgenic cows produce: A) More milk. B) Milk rich in alpha-lactalbumin. C) Milk without lactose. D) None. Show Answer Correct Answer: B) Milk rich in alpha-lactalbumin. 2. Which least describes how biotechnology has increased crop production in North Carolina? A) It has increased the growth rate of plants. B) It has decreased the amount of plants that die due to drought. C) It has decreased the amount of plants that can be grown in an area. D) It has increased plants' ability to fight off pests and reduced the need for pesticides. Show Answer Correct Answer: C) It has decreased the amount of plants that can be grown in an area. 3. In the screening process, clones that metabolize X-gal turn ..... A) Red. B) Blue. C) White. D) Yellow. Show Answer Correct Answer: B) Blue. 4. An allele can best be described as A) A chromosome. B) A defective gene. C) An alternative form of a gene. D) A segment of DNA. Show Answer Correct Answer: A) A chromosome. 5. Which antibiotic resistance is present in pBR322? A) Ampicillin. B) Kanamycin. C) Gentamycin. D) Lactase. Show Answer Correct Answer: A) Ampicillin. 6. Which of the following describes why Taq polymerase is required for PCR? A) The Taq polymerase binds to the DNA without a required primer facilitating the process of PCR. B) The process of PCR requires prokaryotic polymerase as it is less complex. C) The Taq polymerase is able to unwind the DNA double helix reducing the need of additional enzymes. D) The process of PCR requires extremely high temperatures that would denature other polymerases. Show Answer Correct Answer: D) The process of PCR requires extremely high temperatures that would denature other polymerases. 7. A DNA fingerprint may do which of the following? A) Identify a suspect using crime scene DNA. B) Disrupt a crime scene. C) Reproduce an individual. D) Provide irrelevant information. Show Answer Correct Answer: A) Identify a suspect using crime scene DNA. 8. Using living things or parts of living things to produce a product or solve a problem A) Bioremediation. B) Transgenic. C) Biotechnology. D) Tissue culturing. Show Answer Correct Answer: C) Biotechnology. 9. Multiple Choice Questions (1-25)-The plasmid used in genetic engineering is obtained from: A) Protozoa. B) Bacteria. C) Virus. D) Fungi. Show Answer Correct Answer: B) Bacteria. 10. A process in which a cell, cell product, or organism is copied from an original source. A) Gene therapy. B) Cloning. C) Genome. D) Recombinant DNA. Show Answer Correct Answer: B) Cloning. 11. Which area of biotechnology is most likely to create ethical problems? A) Forensic testing of crime scene evidence. B) Genetic engineering to increase crop yields. C) Organ cloning. D) Insulin production by bacteria. Show Answer Correct Answer: C) Organ cloning. 12. Polymerase Chain Reaction A) Is used to make copies of specific regions of DNA. B) Uses a special form of DNA polymerase and primers to copy DNA. C) Is used in crime scenes and paternity cases to compare DNA samples. D) All of the choices are correct. E) Some of the choices are correct. Show Answer Correct Answer: D) All of the choices are correct. 13. A technique that places a gene into a cell to correct a hereditary disease or to improve the genome A) Gene therapy. B) Genetic modification. C) Biotechnology. D) DNA fingerprint. Show Answer Correct Answer: A) Gene therapy. 14. A technology that changes the genetic material of a living organism A) Gene therapy. B) Human genome project. C) Recombinant DNA. D) Genetic modification. Show Answer Correct Answer: D) Genetic modification. 15. The process of making changes in the DNA code of a living organism is called A) Genetic engineering. B) Selective breeding. C) Hybridization. D) Inbreeding. Show Answer Correct Answer: A) Genetic engineering. 16. A Biomedical Chemist career falls under which Health Science pathway? A) Interpreter. B) Biotechnology Research and Development. C) Support Services. D) Therapeutic Services. Show Answer Correct Answer: B) Biotechnology Research and Development. 17. How does plant biotechnology impact agriculture? A) By decreasing crop quality. B) By increasing manual labor. C) By improving crop varieties. D) By limiting crop production. Show Answer Correct Answer: C) By improving crop varieties. 18. How does North Carolina's economy directly benefit from a growing biotechnology field? A) Technological advances make jobs easier. B) Population size in urban areas is increased. C) Advancements in medicine improve overall health. D) More jobs are available to citizens across the state. Show Answer Correct Answer: D) More jobs are available to citizens across the state. 19. Project whose goal is to map, sequence, and identify all of the genes in the human genome A) Human genome project. B) Recombinant DNA. C) Genetic modification. D) DNA fingerprint. Show Answer Correct Answer: A) Human genome project. 20. Electrophoresis is used to A) Separate fragments of DNA. B) Cut DNA into fragments. C) Come genes. D) Match a gene with its function. Show Answer Correct Answer: A) Separate fragments of DNA. 21. Mikroorganisme yang berperan dalam pembuatan tempe adalah ..... A) Bakteri Acetobacter. B) Jamur Saccharomyces. C) Jamur Rhizopus. D) Bakteri Lactobacillus. Show Answer Correct Answer: C) Jamur Rhizopus. 22. Which enzyme is used as gum to join ends of DNA? A) EcoRI. B) Cellulose. C) Pectinase. D) Ligase. Show Answer Correct Answer: D) Ligase. 23. A gene is a segment of DNA that A) Always causes mutations. B) Is harmful to humans. C) Codes for a trait. D) Fights off invading pathogens. Show Answer Correct Answer: C) Codes for a trait. 24. Which of th following extract is used as a medium for tissue culture A) Muscle. B) Leaf. C) Liver. D) Embryo. Show Answer Correct Answer: D) Embryo. 25. An organism whose genetic material has been altered A) Agriculture. B) Genetically modified organism. C) Cloning. D) DNA. Show Answer Correct Answer: B) Genetically modified organism. 26. Bahan dasar pembuatan roti adalah tepung terigu yang ditaburi mikroorganisme Saccharomyces cerevisiae agar dapat mengembang. Perubahan yang dilakukan mikroorganisme tersebut terhadap bahan dasar pembuatan roti adalah A) Membentuk karbondioksia, oksigen, dan uap air. B) Mengubah glukosa menjadi alkohol dan karbondioksida. C) Membentuk gas karbondioksida dari zat tepung. D) Mengubah alkohol menjadi glukosa dan karbondioksida. Show Answer Correct Answer: B) Mengubah glukosa menjadi alkohol dan karbondioksida. 27. A form of technology that uses living organisms, usually genes, to modify products, to make or modify plants and animals, or to develop other microorganisms for specific purposes. A) Gene therapy. B) Bioremediation. C) Recombinant DNA. D) Biotechnology. Show Answer Correct Answer: D) Biotechnology. 28. The "on/off" switch for an operon is called the A) Enhancer. B) Operator. C) Gene. D) Promoter. Show Answer Correct Answer: B) Operator. 29. What can plant biotechnology do for the environment? A) Increase pollution. B) Consume more energy. C) Help in conserving biodiversity. D) Reduce biodiversity. Show Answer Correct Answer: C) Help in conserving biodiversity. 30. How does biotechnology contribute to the production of insulin for diabetic patients? A) By using genetically modified bacteria to produce human insulin. B) By extracting insulin directly from human donors. C) By synthesizing insulin from plant extracts. D) By using chemical reactions to create synthetic insulin. Show Answer Correct Answer: A) By using genetically modified bacteria to produce human insulin. 31. In the context of biotechnology, what is the purpose of a polymerase chain reaction (PCR)? A) To amplify small segments of DNA. B) To sequence the entire genome. C) To create genetically modified organisms. D) To analyze protein structures. Show Answer Correct Answer: A) To amplify small segments of DNA. 32. Bt cotton has been developed for resistance to: A) Herbicides. B) Insects. C) Drought. D) Fungal infection. Show Answer Correct Answer: B) Insects. 33. The chemical used to make bacterial cells competent is ..... A) Magnesium sulfate. B) Sodium chloride. C) Ethanol. D) Calcium chloride. Show Answer Correct Answer: D) Calcium chloride. 34. Problems with cloning are A) Creating too many embryos that are unneeded. B) Premature aging and a high failure rate. C) They have a tendency to overpopulate. D) None of the above. Show Answer Correct Answer: B) Premature aging and a high failure rate. 35. How are viruses different from bacteria? A) Viruses are treated with antibiotics, while bacteria are treated with vaccines. B) Viruses require a host organism, while bacteria live host free. C) Viruses affect plants, while bacteria affect animals. D) Viruses are pathogenic, while bacteria are nonpathogenic. Show Answer Correct Answer: B) Viruses require a host organism, while bacteria live host free. 36. What is the first step in the polymerase chain reaction (PCR) process? A) Annealing. B) Denaturing. C) Replication. D) Extension. Show Answer Correct Answer: B) Denaturing. 37. Restriction endonuclease always recognize sequences that are A) Random. B) Palindromic. C) Antiparallel. D) Non repetitive. Show Answer Correct Answer: B) Palindromic. 38. What is the genetic material for most organisms? A) RNA. B) Protein. C) DNA. D) Carbohydrate. Show Answer Correct Answer: C) DNA. 39. Golden rice is rich in iron. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 40. Which enzyme is used in the process of DNA replication? A) RNA polymerase. B) Helicase. C) DNA polymerase. D) Ligase. Show Answer Correct Answer: C) DNA polymerase. 41. Which of the following is a real-world application of plant biotechnology in agriculture? A) Developing drought-resistant crops. B) Changing the color of flowers. C) Producing larger fruits. D) Increasing the height of trees. Show Answer Correct Answer: A) Developing drought-resistant crops. 42. First company to start large scale insulin production A) Novartis. B) Johnson's and Johnson's. C) Pfizer. D) Eli Lilly. Show Answer Correct Answer: D) Eli Lilly. 43. Which of the following best describes "DNA Fingerprinting?" A) Used to copy an organism's genome. B) Used to move genes from one organism into another. C) Means the same thing as "gel electrophoresis". D) Used to edit someone's genes. Show Answer Correct Answer: C) Means the same thing as "gel electrophoresis". 44. In gel electrophoresis, separated DNA fragments can be visualized with the help of. A) Acetocarmine in UV radiation. B) Acetocarmine in bright blue light. C) Ethidium bromide in infrared radiation. D) Ethidium bromide in UV radiation. Show Answer Correct Answer: D) Ethidium bromide in UV radiation. 45. Which variety of rice was patented by a U.S. company even though the highest number of varieties of this rice are found in India? A) Basmati. B) LermaRojo. C) Co-667. D) Sharbati Sonora. Show Answer Correct Answer: A) Basmati. 46. Any change or mistake in DNA replication can cause a ..... A) Mutation. B) Cancer cell. C) Disease. D) Virus. Show Answer Correct Answer: A) Mutation. 47. Antibiotik merupakan salah satu komponen penting dalam dunia kedokteran. Mikroorganisme yang dapat menghasilkan antibiotik adalah ..... A) Neurospora crasa. B) Penicilium notatum. C) Monilia sitholphyla. D) Saccharomyces cerevisae. Show Answer Correct Answer: B) Penicilium notatum. 48. DNA ligase helps in joining DNA fragments. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 49. An organism's complete set of genes is called its ..... A) Genome. B) Chromosome. C) DNA. D) Chromatin. Show Answer Correct Answer: A) Genome. 50. What is the primary function of restriction enzymes? A) To synthesize RNA molecules. B) To repair damaged DNA strands. C) The primary function of restriction enzymes is to cut DNA at specific sequences. D) To replicate DNA sequences. Show Answer Correct Answer: C) The primary function of restriction enzymes is to cut DNA at specific sequences. 51. What are the ethical concerns surrounding biotechnology? A) The potential for unintended consequences, the impact on biodiversity, and issues of consent and ownership of genetic material. B) The benefits of biotechnology in agriculture and medicine. C) The economic advantages of genetic engineering for corporations. D) The role of biotechnology in climate change mitigation. Show Answer Correct Answer: A) The potential for unintended consequences, the impact on biodiversity, and issues of consent and ownership of genetic material. 52. The controlled use of biological agents, such as microorganisms or cellular components, for beneficial use is called A) Biotechnology. B) Biochemistry. C) Plant biology. D) Molecular biology. Show Answer Correct Answer: A) Biotechnology. 53. Which application of biotechnology is of greatest economic benefit to North Carolina? A) Development of crops that can be grown in extremely dry environments. B) Development of crops that can be grown in extremely low temperatures. C) Development of livestock that is more domesticated. D) Development of livestock that produces a higher quality of meat. Show Answer Correct Answer: D) Development of livestock that produces a higher quality of meat. 54. What is a common method used in biotechnology to introduce new genetic material into an organism? A) Cloning. B) Gene splicing. C) Natural selection. D) Cross-breeding. Show Answer Correct Answer: B) Gene splicing. 55. Which of the following best describes the process of gene cloning? A) Creating identical copies of an organism. B) Inserting a gene into a plasmid and replicating it in bacteria. C) Modifying the genetic makeup of an organism. D) Sequencing the entire genome of an organism. Show Answer Correct Answer: B) Inserting a gene into a plasmid and replicating it in bacteria. 56. A:Gene therapy can be used to correct defective genes. R:It introduces functional genes into somatic cells. 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. 57. The vector used in genetic engineering is a(n) A) Bacterium. B) Bacteriophage. C) Transgenic donator. D) Adenovirus. Show Answer Correct Answer: D) Adenovirus. 58. Which requires a host cell to reproduce? A) Fungus. B) Parasite. C) Bacterium. D) Virus. Show Answer Correct Answer: D) Virus. 59. Biotechnology products can improve the medical field by doing which of the following? A) Making human insulin for the treatment of diabetes. B) Producing crops resistant to pest. C) Combating crime through DNA testing. D) Allowing us to manipulate organisms for desired traits. Show Answer Correct Answer: A) Making human insulin for the treatment of diabetes. 60. Multiple Choice Questions (1-25)-The enzyme used to synthesize cDNA from mRNA is: A) Endonuclease. B) Reverse transcriptase. C) RNA ligase. D) DNA polymerase. Show Answer Correct Answer: B) Reverse transcriptase. ← 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