This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organisms that have foreign DNA inserted from a different species are called A) Adenoviruses. B) Transgenic. C) Transmutated. D) Haploid. Show Answer Correct Answer: B) Transgenic. 2. Which molecule from humans is inserted into bacteria to cause them to produce insulin? A) Carbohydrates. B) DNA. C) Lipids. D) Proteins. Show Answer Correct Answer: B) DNA. 3. T6-Combining DNA from 2 different organisms is called A) Recombinant DNA. B) Biotechnology. C) Genetic Engineering. D) Bioengineering. Show Answer Correct Answer: A) Recombinant DNA. 4. What are the enzymes are used in microbial enzyme A) Protease. B) Lipase. C) Both (a) and (b). D) None of the above. Show Answer Correct Answer: C) Both (a) and (b). 5. Cancer is defined as the A) Normal division of cells. B) Uncontrolled division of mutated cells. C) Normal DNA replication. D) Abnormal ATP synthesis. Show Answer Correct Answer: B) Uncontrolled division of mutated cells. 6. Which produces offspring from a single cell of an adult? A) Cloning. B) Mutations. C) Inbreeding. D) Hybridization. Show Answer Correct Answer: A) Cloning. 7. Which is used extensively for genetic engineering in plants? A) Agrobacterium tumefaciens. B) Xanthomonas citri. C) Clostridium septicum. D) Bacillus coagulens. Show Answer Correct Answer: A) Agrobacterium tumefaciens. 8. In which area would biotechnology have the greatest effect on agriculture? A) Development of biopharmaceuticals. B) Development of biodegradable plastics. C) Development of biological weapons. D) Development of biological pesticides. Show Answer Correct Answer: D) Development of biological pesticides. 9. What is CRISPR technology? A) A method for cloning organisms. B) A revolutionary gene-editing technology that allows for precise modifications to DNA in living organisms. C) A technique for DNA sequencing. D) A process for creating genetically modified organisms without editing their DNA. Show Answer Correct Answer: B) A revolutionary gene-editing technology that allows for precise modifications to DNA in living organisms. 10. A self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes A) Hybrid. B) DNA. C) GMO. D) RNA. Show Answer Correct Answer: B) DNA. 11. 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. 12. Which of the following is common in sticky ends and molecular probes? A) They both are parts of RNA molecules. B) They both involve complementary pairing. C) They both are important aspects of bacterial sex. D) They both are used as gene vectors in genetic engineering. Show Answer Correct Answer: B) They both involve complementary pairing. 13. Which process describes how many pure-bred dogs have been produced? A) Cloning. B) Crossbreeding. C) Selective breeding. D) None of the above. Show Answer Correct Answer: C) Selective breeding. 14. The human practice of breeding animals or plants that have certain desired traits. A) Clone. B) Artificial selection. C) Genetic engineering. D) Biotechnology. Show Answer Correct Answer: B) Artificial selection. 15. What is the WORST question for a farmer to ask when determining whether or not to grow transgenic plants?( A) Will the transgenic plant help to increase the food supply?. B) Will the transgenic plant help the farmer to produce more clones?. C) Will the transgenic plant require more pesticides?. D) Will the transgenic plant offer any information in studying human genes?. Show Answer Correct Answer: D) Will the transgenic plant offer any information in studying human genes?. 16. Berikut ini jenis makanan yang dapat diolah dari susu, kecuali ..... A) Nata de coco. B) Keju. C) Yoghurt. D) Mentega. Show Answer Correct Answer: A) Nata de coco. 17. A length of unpaired bases thatstick out. These have been cut from a specific bases in a specific sequence of bases. A) Sticky Ends. B) Recombinant DNA. C) DNA size standard. D) Blunt ends. Show Answer Correct Answer: A) Sticky Ends. 18. What does biotechnology involve? A) Using mechanical processes. B) Using biological processes. C) Using electrical processes. D) Using chemical processes. Show Answer Correct Answer: B) Using biological processes. 19. A cloned pig has a diploid chromosome number of 35. What is the diploid A) 17.5. B) 35. C) 23. D) 70. Show Answer Correct Answer: B) 35. 20. Assertion (A):Plasmids are used as vectors in rDNA technology. Reason (R):They can replicate independently inside host cells. 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) Both are false. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 21. Klenow enzyme is the product of enzymatic breakdown of A) RNA polymerase. B) DNA polymerase III. C) DNA polymerase I. D) DNA polymerase II. Show Answer Correct Answer: C) DNA polymerase I. 22. Which committee regulates GM crop approval in India? A) DBT. B) CSIR. C) ICMR. D) GEAC. Show Answer Correct Answer: D) GEAC. 23. An analysis of chromosomal DNA using the Southern hybridization technique does not use A) Electrophoresis. B) PCR. C) Blotting. D) Autoradiography. Show Answer Correct Answer: B) PCR. 24. Minuman yoghurt yang terbuat dari air susu dapat mengobati lambung dan usus yang terluka, proses pembuatan yoghurt tersebut karena hasil kerja dari ..... A) Neurospora sitophila. B) Aspergillus wentii. C) Rizhopus oryzae. D) Streptococcus thermophilus. Show Answer Correct Answer: D) Streptococcus thermophilus. 25. What is one application of genetic engineering in agriculture? A) Increasing the size of farm animals. B) Developing new types of cooking oils. C) Creating crops that resist insect pests. D) Enhancing the flavor of fruits. Show Answer Correct Answer: C) Creating crops that resist insect pests. 26. Vaccines are made form biotechnology. ( true or false) A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 27. The first clinical gene therapy was given for treating A) ADA deficiency. B) Diabetes. C) Polio. D) SCID. Show Answer Correct Answer: A) ADA deficiency. 28. Single cell protein are used in A) High nutritive value. B) Essential amino acids. C) Both (a) and (b). D) None of the above. Show Answer Correct Answer: C) Both (a) and (b). 29. What is the enzymatic function of restriction enzymes? A) To add new nucleotides to a growing strand of DNA. B) To join nucleotides during replication. C) To join nucleotides during transcription. D) To cleave/break nucleic acids at specific sites. Show Answer Correct Answer: D) To cleave/break nucleic acids at specific sites. 30. What is a pathogen? A) Any micro-organism found in the gut. B) Any micro-organism that is harmless. C) Any micro-organism found on the skin's surface. D) Any micro-organism that causes disease. Show Answer Correct Answer: D) Any micro-organism that causes disease. 31. A genomic library is a collection of ..... A) Proteins. B) Recombinants. C) Genes. D) Vectors. Show Answer Correct Answer: B) Recombinants. 32. Which of the following is required to perform polymerase chain reaction? A) Primers, dntps and DNA polymerase. B) DNA cacl2 and nucleases. C) Magnesium and DNA. D) Both a and c. Show Answer Correct Answer: D) Both a and c. 33. Why would someone need to get an influenza vaccine every year? A) Viruses can mutate from year to year. B) Vaccines are absorbed by the body after a year. C) Vaccines get stronger over time. D) Viruses replicate more rapidly over time. Show Answer Correct Answer: A) Viruses can mutate from year to year. 34. Pembuatan insulin dengan menyisipkan gen pembentuk insulin dengan gen bakteri adalah salah satu contoh aplikasi bioteknologi yang disebut ..... A) Transplantasi. B) Rekayasa genetika. C) Mutasi. D) Kloning. Show Answer Correct Answer: B) Rekayasa genetika. 35. Polymerase chain reaction is used to A) Determine the sequence of DNA. B) Make copies of a DNA sequence. C) Selectively breed plants and animals. D) Produce mutations in bacteria. Show Answer Correct Answer: B) Make copies of a DNA sequence. 36. A:Bt toxin is not harmful to humans. R:It becomes active only in alkaline gut of insects. 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. 37. DNA segments that serve as the unit of heredity. A) Genome. B) Biotechnology. C) Genes. D) Agriculture. Show Answer Correct Answer: C) Genes. 38. Genetic engineering has been successfully used for producing ..... A) Transgenic mice for testing safety of polio vaccine before use in humans. B) Transgenic models for studying new treatments for certain cardiac diseases. C) Animal like bulls for farm work as they have super power. D) Transgenic cow, Rosie, which produces high fat milk for making ghee. Show Answer Correct Answer: A) Transgenic mice for testing safety of polio vaccine before use in humans. 39. DNA can be cut with A) Ligase. B) Helicase. C) DNA scissors. D) Restriction enzymes. Show Answer Correct Answer: D) Restriction enzymes. 40. The enzyme used to cut DNA at specific sites is called ..... A) Restriction enzyme. B) DNA ligase. C) DNA polymerase. D) Helicase. Show Answer Correct Answer: A) Restriction enzyme. 41. The dye which is used for staining the DNA in gel electrophoresis A) Congo red. B) Crystal violet. C) Acetocarmine. D) Ethidium bromide. Show Answer Correct Answer: D) Ethidium bromide. 42. Most commonly used matrix in gel electrophoresis is(a) (b) (c) (d) A) Polyacrylamide. B) Agarose. C) Sulphate bromide. D) Ethidium bromide. Show Answer Correct Answer: B) Agarose. 43. Reaksi kimia yang terjadi pada peristiwa fermentasi, seperti pada pembuatan tape adalah ..... A) Glukosa $\rightarrow$ CO2 + alkohol + energi. B) Glukosa + O2 $\rightarrow$CO2 + alkohol + energi. C) Glukosa $\rightarrow$ CO2 + H2O + energi. D) Glukosa + O2 $\rightarrow$ CO2 + H2O + energi. Show Answer Correct Answer: A) Glukosa $\rightarrow$ CO2 + alkohol + energi. 44. The wealth and resources of a country or region, especially in terms of the production and consumption of goods and services. A) Bioremediation. B) Economy. C) Biotechnology. D) Agriculture. Show Answer Correct Answer: B) Economy. 45. Animals that have had their DNA manipulated to possess and express a foreign gene are called A) Super animals. B) Transgenic animals. C) Somaclones. D) Somatic hybrids. Show Answer Correct Answer: B) Transgenic animals. 46. Which of the following is a benefit of plant biotechnology in agriculture? A) Higher water usage. B) Increased disease susceptibility. C) Decreased crop yield. D) Increased crop yield. Show Answer Correct Answer: D) Increased crop yield. 47. A method of separating DNA fragments according to their size and charge using an electric current is called A) Homologous chromosome. B) DNA Probe. C) Gel electrophoresis. D) Restriction enzyme. Show Answer Correct Answer: C) Gel electrophoresis. 48. Choose the statement that best describes gene therapy. A) The process of using DNA taken from a crime scene to identify a suspect. B) The process of producing crops that are resistant to insects. C) The process of creating an identical organism or gene. D) The process of inserting normal genes into human cells to correct genetic disorders. Show Answer Correct Answer: D) The process of inserting normal genes into human cells to correct genetic disorders. 49. Epithelial tissue is present in A) Skin. B) Inner surface of blood vessels. C) Walls of the alveoli. D) All of these. Show Answer Correct Answer: D) All of these. 50. A master's degree may be required to work in Biotechnology Research and Development. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 51. What was the first cloned animal? A) Robby the Rat. B) Beth the Goat. C) Dolly the Sheep. D) Milton the Mouse. Show Answer Correct Answer: C) Dolly the Sheep. 52. What is the manipulation of organisms or their components to make useful products? A) Mutation. B) Genetic Engineering. C) Recombinant DNA. D) Biotechnology. Show Answer Correct Answer: D) Biotechnology. 53. Which of the following is an example of Biotech in which genetically identical copies of an individual is produced? A) Gene Therapy. B) Human Genome Project. C) Stem Cells. D) Cloning. Show Answer Correct Answer: D) Cloning. 54. How can agricultural biotechnology have a positive impact on the environment? A) By developing crops that are pest resistant requiring fewer pesticides to be used. B) Planting crops in shaded areas. C) Harvesting crops that have thick stems and leaves. D) Water crops with a recycled irrigation system. Show Answer Correct Answer: A) By developing crops that are pest resistant requiring fewer pesticides to be used. 55. Plants that have been genetically modified so that certain insects are toxic to it. A) I don't know. B) GMO. C) Biotechnology. D) Pest resistant crops. Show Answer Correct Answer: D) Pest resistant crops. 56. Flavr Savr tomato delays spoilage. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 57. What career pathway is responsible for license renewals? They may also compile and prepare materials for submission to regulatory agencies. A) Quality assurance technician. B) Product development specialist. C) Regulatory affairs specialist. D) Quality control technician. Show Answer Correct Answer: C) Regulatory affairs specialist. 58. What do scientists hope to accomplish through stem cell research? A) Developing vaccines for lead poisoning. B) Developing restriction enzymes to cut DNA. C) Cloning humans. D) Growing organs for transplant surgery. Show Answer Correct Answer: D) Growing organs for transplant surgery. 59. Which of the following describes the orientation of the DNA found in a run gel electrophoresis? A) Small fragments are found near the well since it is negatively charged. B) Large fragments are found near the well while small fragments are found at the other end. C) Small fragments are found near the well while large fragments are found at the other end. D) Large fragments are found near the well since it is positively charged. Show Answer Correct Answer: B) Large fragments are found near the well while small fragments are found at the other end. 60. 9) What are some examples of biotechnology being used in agriculture? A) Crop irrigation. B) DNA fingerprinting. C) Gentically modified crops. D) Crop rotation. Show Answer Correct Answer: C) Gentically modified crops. ← 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