This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Pada proses pembuatan tempe digunakan Rhizopus oryzae yang berperan untuk A) Menghasilkan enzim untuk membentuk asam laktat dari kedelai. B) Mengubah protein kompleks kacang kedelai menjadi protein sederhana. C) Mengubah karbon dioksida dalam kacang menjadi gula sederhana. D) Menguraikan kacang kedelai menjadi alkohol melalui fermentasi. Show Answer Correct Answer: B) Mengubah protein kompleks kacang kedelai menjadi protein sederhana. 2. Enzyme used to dissolve the bacterial cell walls A) Lysozyme. B) Chitinase. C) Protease. D) Cellulase. Show Answer Correct Answer: A) Lysozyme. 3. How can biotechnology help farmers overcome sudden changes in the environment? A) By rotating the crop within the same field by using simple machines. B) By changing the types of soil where the crops are planted. C) By developing crops which are resistant to winter weather. D) To grow crops in the laboratory. Show Answer Correct Answer: C) By developing crops which are resistant to winter weather. 4. Which phrase best describes the term genome? A) The genes that make up an organism. B) The genetic makeup of a chromosome. C) The sums of an organisms physical traits. D) The location of a specific set of genes. Show Answer Correct Answer: A) The genes that make up an organism. 5. Multiple Choice Questions (1-25)-A plasmid vector pBR322 carries genes for resistance to: A) Ampicillin and tetracycline. B) Penicillin and chloramphenicol. C) Streptomycin and kanamycin. D) None. Show Answer Correct Answer: A) Ampicillin and tetracycline. 6. Nata de coco adalah makanan produk bioteknologi yang bernilai gizi tinggi. Pembuatan nata de coco memanfaatkan mikroorganisme ..... A) Aspergillus wentii. B) Monilia sitholphyla. C) Rhyzopus oryzae. D) Acetobacter xylinum. Show Answer Correct Answer: D) Acetobacter xylinum. 7. "Adenosine deaminase" deficiency affects: A) Digestive system. B) Immune system. C) Nervous system. D) Circulatory system. Show Answer Correct Answer: B) Immune system. 8. In which ways can genetic engineering can improve crops A) Make them pest or drought resistant. B) Make them more nutritious. C) Make them larger. D) All answers are correct. Show Answer Correct Answer: D) All answers are correct. 9. Which best explains a benefit of genetic variation? A) Genetic variation makes the gene pool of a species smaller. B) Genetic variation only provides protection from predators. C) It is not beneficial to living organisms. D) A larger gene pool allows for a greater chance of success of a species. Show Answer Correct Answer: D) A larger gene pool allows for a greater chance of success of a species. 10. What type of gene mutation has occurred here?Normal:AGA-TTC-ATA-GCGMutant:AGA-TTC-ATA-GC A) Point missense. B) Point nonsense. C) Frameshift insertion. D) Point silent. E) Frameshift deletion. Show Answer Correct Answer: E) Frameshift deletion. 11. The binding of repressors to operators are not reversible. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. Bt toxin is harmful to humans. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. When separated on an agarose gel, DNA fragments can be visualized after staining with? A) Bromophenol blue. B) Acetocarmine. C) Ethidium bromide. D) Aniline blue. Show Answer Correct Answer: C) Ethidium bromide. 14. The process of making changes in an organism's DNA is known as? A) DNA Fingerprinting. B) Genetic Engineering. C) DNA Recombination. D) Hybridization. Show Answer Correct Answer: B) Genetic Engineering. 15. The widely used method for culturing embryonic tissues is A) Raft method. B) Immobilized method. C) Propagation method. D) Suspension method. Show Answer Correct Answer: A) Raft method. 16. He use of either naturally occurring or deliberately introduced microorganisms or other forms of life to consume and break down environmental pollutants A) Bioremediation. B) Medicine. C) GMO. D) Cloning. Show Answer Correct Answer: A) Bioremediation. 17. Which of the following best describes the role of mRNA in the process of gene expression? A) It carries amino acids to the ribosome. B) It modifies the DNA structure. C) It replicates the DNA in the nucleus. D) It serves as a template for protein synthesis. Show Answer Correct Answer: D) It serves as a template for protein synthesis. 18. What is one way CRISPR has already been used to change genes? A) Give people superpowers. B) Clone sheep. C) Cure animal diseases. D) Military purposes. Show Answer Correct Answer: C) Cure animal diseases. 19. What do the following industrial products have in common:vitamins, antibiotics, acids, fabrics and glues? A) They all prevent infection. B) They are all made with fermentation. C) They are all sources of energy. D) They are all made of sugars. Show Answer Correct Answer: B) They are all made with fermentation. 20. Any organism whose genes have been modified using genetic engineering (genetically modified organism) A) Genetic modification. B) Bioremediation. C) GMO. D) Cloning. Show Answer Correct Answer: C) GMO. 21. What type of scientist would create the plans for prescribing and dosage of drugs for a clinical trial? A) Biostatistician. B) Pharmacy technician. C) Research assistant. D) Clinical pharmacologist. Show Answer Correct Answer: D) Clinical pharmacologist. 22. A scientist creates a cat that glows in the dark due to the insertion of genes from another organism. What type of biotechnology did they use? A) Genetic engineering. B) Cloning. C) Genetic mutation. D) None of the above. Show Answer Correct Answer: A) Genetic engineering. 23. Genetically engineered plants A) Are being rapidly developed, but traditional plant breeding programs are still the only method to develop new plants. B) Are more difficult to engineer than animals. C) Include a transgenic rice plant that could help prevent vitamin A deficiency. D) Are banned throughout the world. Show Answer Correct Answer: C) Include a transgenic rice plant that could help prevent vitamin A deficiency. 24. C-peptide of human insulin is A) Removed during maturation of pro-insulin to insulin. B) Responsible for its biological activity.Answer:. C) Responsible for formation of disulphide bridges. D) A part of mature insulin molecule. Show Answer Correct Answer: A) Removed during maturation of pro-insulin to insulin. 25. A gene gun and a virus may both be classified as ..... because they are mechanisms by which foreign DNA may be transferred into a host cell. A) Splicers. B) Vectors. C) Bacteria. D) Plasmids. Show Answer Correct Answer: B) Vectors. 26. RNA interference silences specific genes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. Which transgenic crop was first to be approved for commercial cultivation in India. A) Bt Cotton. B) Azadirachta indica. C) Golden rice. D) Flavr Savr. Show Answer Correct Answer: A) Bt Cotton. 28. A genetic marker is a A) Charts that traces the family history of a genetic trait. B) Nucleotide sequence near a particular gene. C) Radioactive probe used to find a gene. D) Place where a restriction enzymes cuts DNA. Show Answer Correct Answer: B) Nucleotide sequence near a particular gene. 29. Bones consist of osteocytes embedded in solid ground substance made up of ..... A) Calcium phosphate. B) Calcium sulphate. C) Calcium bicarbonate. D) Calcium carbonate. Show Answer Correct Answer: A) Calcium phosphate. 30. In the context of Aest Biotechnology, what is a major ethical concern? A) The high cost of research and development. B) The potential for creating new allergens. C) The complexity of genetic engineering. D) The need for specialized equipment. Show Answer Correct Answer: B) The potential for creating new allergens. 31. PBR322 was the first artificial cloning vector to be constructed. What does B and R stand for? A) Bacteriophages and recombinant. B) Boliver and Rodriguez. C) Boyer and replicative. D) None of these. Show Answer Correct Answer: B) Boliver and Rodriguez. 32. Correcting mistakes in DNA is ..... A) Gene therapy. B) Gene modification. C) Selective breeding. D) Animal husbandry. Show Answer Correct Answer: A) Gene therapy. 33. Selective breeding (Artificial Selection) is a technique that is used to A) Give all organisms a chance to reproduce. B) Produce offspring with certain desirable traits. C) Produce organisms from extinct species. D) Keep farm crops free of all mutations. Show Answer Correct Answer: B) Produce offspring with certain desirable traits. 34. How can mutations be beneficial to an organism? A) By introducing new traits that can be better in certain environments. B) By removing essential genes necessary for survival. C) By preventing the organism from reproducing. D) By causing diseases that may lead to immunity. Show Answer Correct Answer: A) By introducing new traits that can be better in certain environments. 35. A process that uses electricity to separate charged molecules, such as DNA fragments, RNA, and proteins, on a gel slab A) Gel electrophoresis. B) Centrifugation. C) Polymerase change reaction. D) Use of a microscope. Show Answer Correct Answer: A) Gel electrophoresis. 36. T or F Clones like Dolly are created asexually from a donor cells DNA. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 37. What is the benefit to society of using Ethanol instead of regular gasoline? A) It is makes cars run faster. B) Reduces carbon monoxide emissions to 25%. C) Less expensive to produce. D) It is inflammable. Show Answer Correct Answer: B) Reduces carbon monoxide emissions to 25%. 38. Agarose gel electrophoresis separates DNA based on size. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. What is the process called where a cell takes up DNA from their environment? A) Mitosis. B) Photosynthesis. C) Transcription. D) Transformation. Show Answer Correct Answer: D) Transformation. 40. Reasons to genetically modify foods ..... A) Produce larger fruits. B) Make pest resistant vegetables. C) Produce food that grows faster. D) All of the above. Show Answer Correct Answer: D) All of the above. 41. Knowledge of chemistry, physics and cell physiology is required to succeed in this scientific field. A) Cell biology. B) Molecular biology. C) Microbiology. D) Chemical biology. Show Answer Correct Answer: B) Molecular biology. 42. Perhatikan pernyataan di bawah ini! (1) Vaksin digunakan untuk mencegah serangan penyakit yang berasal dari mikroorganisme(2) Budidaya tebu transgenik yang tahan pada lahan kering(3) Transplantasi inti adalah pemindahan inti dari satu sel ke sel yang lain(4) Bioremediasi adalah penanggulangan pencemaran dengan bantuan bakteriContoh penerapan bioteknologi di bidang pangan adalah ..... A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: D) 2. 43. Which of the following techniques is commonly used in genetic engineering to cut DNA at specific sequences? A) Gel Electrophoresis. B) Restriction Enzymes. C) CRISPR. D) PCR. Show Answer Correct Answer: B) Restriction Enzymes. 44. When fragments of DNA are connected from different sources, this creates: A) Recombinant DNA. B) A plasmid. C) A clone. D) Fragmented DNA. Show Answer Correct Answer: A) Recombinant DNA. 45. In Southern blotting ..... type of gel is used for the separation of molecular band A) Polyacrylamide. B) Agarose. C) Starch. D) None. Show Answer Correct Answer: B) Agarose. 46. Which option most closely relates to how CRISPR works? A) "shake and bake". B) "cut and paste". C) "hide and seek". D) "live and love". Show Answer Correct Answer: B) "cut and paste". 47. Technology means something that helpsus A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. What is the difference between embryonic stem cells and adult stem cells? A) Adult stem cells are pluripotent, just like embryonic stem cells. B) Embryonic stem cells can differentiate into more cell types than adult stem cells. C) Adult stem cells can differentiate into more cell types than embryonic stem cells. D) Adult stem cells grow bigger than embryonic stem cells. Show Answer Correct Answer: B) Embryonic stem cells can differentiate into more cell types than adult stem cells. 49. There are 15 amino acids in Insulin A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 50. Organisms that have had DNA from other organisms inserted into their DNA to produce certain traits are called: A) Plasmids. B) Clones. C) Recombinant organisms. D) Transgenic organisms. Show Answer Correct Answer: D) Transgenic organisms. 51. Which are most closely related to biotechnology? A) Medicine and agriculture. B) Construction and engineering. C) Water treatment and electricity generation. D) Communication and information technology. Show Answer Correct Answer: A) Medicine and agriculture. 52. What process uses bacteria to eat away at unwanted iron and minerals, leaving the valuable silver, copper and gold behind? A) Fermentation. B) Bioremediation. C) Composting. D) Biomining. Show Answer Correct Answer: D) Biomining. 53. Which of the following best describes "gel electrophoresis?" A) A tool for adding genes from a new species into an organism's DNA. B) Copying DNA to make an identical organism. C) A tool for separating chunks of DNA. D) A tool for editing someone's genes. Show Answer Correct Answer: C) A tool for separating chunks of DNA. 54. Which of the following is an example of biological traits? A) Eye color. B) Regional accent. C) Personality. D) Hair style. Show Answer Correct Answer: A) Eye color. 55. Genomic library construction is concerned with ..... A) Gene isolation. B) Antibiotics. C) Regeneration. D) Protein production. Show Answer Correct Answer: A) Gene isolation. 56. There are bacteria that can clean up oil spills. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 57. A small circular molecule of DNA found in bacteria cells is called a A) Genetic marker. B) Plasmid. C) Chromosome. D) Recombinant DNA. Show Answer Correct Answer: B) Plasmid. 58. The process if treating a disease or disorder by replacing a dysfunctional gene with a functional one A) Gene therapy. B) High through-put screening. C) Mutagen. D) Site-specific mutagenesis. Show Answer Correct Answer: A) Gene therapy. 59. Which best explains why a contagious disease is likely to become an epidemic? A) Failure to follow safety rules when handling bacteria. B) Lack of understanding as to how the disease is spread. C) Creation of supergerms due to the overuse of antibiotics. D) None of the above. Show Answer Correct Answer: B) Lack of understanding as to how the disease is spread. 60. Which is the most likely result of having a large number of biotechnology companies located in North Carolina? A) Decrease in available jobs. B) Improvement in crop yields. C) Increase in antibiotic resistance. D) Decrease in vaccine effectiveness. Show Answer Correct Answer: B) Improvement in crop yields. ← 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