This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False:Gel Electrophoresis allow us to analyze physical characteristics? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 2. What type of macromolecule are restriction enzymes? A) Nucleic acid. B) Carbohydrate. C) Protein. D) Lipid. Show Answer Correct Answer: C) Protein. 3. DNA that is derived from the DNA of 2 or more different species is called A) Chloroplast DNA. B) Mitochondrial DNA. C) Recombinant DNA. D) None of these. Show Answer Correct Answer: C) Recombinant DNA. 4. A selectable marker is used to: A) Mark a gene on a chromosome for isolation using restriction enzyme. B) Identify the gene for a desired trait in an alien organism. C) Help in eliminating the non-transformants, so that the transformants can be regenerated. D) Select a suitable vector for transformation in a specific crop. Show Answer Correct Answer: C) Help in eliminating the non-transformants, so that the transformants can be regenerated. 5. The word part, or prefix, bio refers to A) Technical Devices. B) People. C) Useful Items. D) Living things. Show Answer Correct Answer: D) Living things. 6. The sequence that controls the copy number of the linked DNA in the vector, is termed A) Palindromic sequence. B) Recognition site. C) Selectable marker. D) Ori site. Show Answer Correct Answer: D) Ori site. 7. The prefix, bio refers to A) Technical Devices. B) People. C) Useful Items. D) Living things. Show Answer Correct Answer: D) Living things. 8. Rice does not provide enough of certain vitamins. How could biotechnology be used to change this? A) Using a high nitrogen fertilzer. B) Using herbicide to get rid of weeds. C) Genetic modification of rice plants that are pest resistant and to produce vitamins they cannot make without biotechnology. D) Using pesticide to get rid of pests that can harm the crop. Show Answer Correct Answer: C) Genetic modification of rice plants that are pest resistant and to produce vitamins they cannot make without biotechnology. 9. Flavr Savr tomato was developed for: A) Delayed ripening. B) High yield. C) Drought resistance. D) Pest resistance. Show Answer Correct Answer: A) Delayed ripening. 10. In PCR, it is ..... that creates single-stranded template molecules A) Heat. B) High salt concentration. C) DNA polymerase. D) Exonuclease. Show Answer Correct Answer: A) Heat. 11. The enzyme DNA polymerase used in PCR reaction is isolated from which one of the following bacteria A) Thermus aquaticus. B) Plasmodium vivax. C) Both. D) A) None. Show Answer Correct Answer: A) Thermus aquaticus. 12. In which field would a student most likely pursue a career after obtaining a degree in biotechnology? A) Geology. B) Astronomy. C) Civil engineering. D) Pharmaceuticals. Show Answer Correct Answer: D) Pharmaceuticals. 13. What role does DNA play in plant biotechnology? A) It is the primary energy source for plants. B) It has no significant role. C) It is the blueprint for genetic modification. D) It is used for photosynthesis. Show Answer Correct Answer: C) It is the blueprint for genetic modification. 14. When an organism has two alleles at a particular locus that are different, the organism is called A) Purebred. B) Dominant. C) Heterozygous. D) Recessive. Show Answer Correct Answer: C) Heterozygous. 15. Perhatikan daftar Algae berikut:1. Euglena sp2. Rhizobium sp3. Chlorella sp4. Spirulina sp, Algae yang menjadi sumber makanan kelompok protein sel tunggal (PTS) adalah ..... A) 1 dan 2. B) 1 dan 3. C) 2 dan 4. D) 3 dan 4. Show Answer Correct Answer: D) 3 dan 4. 16. What is the function of free DNA nucleotides in PCR? A) To bind to primers. B) To assemble new DNA copies. C) To act as a template. D) To denature DNA. Show Answer Correct Answer: B) To assemble new DNA copies. 17. What is a plasmid? A) An extra set of genes in bacteria, often in a circular shape. B) A tool used to cut DNA. C) A type of virus. D) A protein that bacteria produce. Show Answer Correct Answer: A) An extra set of genes in bacteria, often in a circular shape. 18. Rising of dough Is due to A) Multiplication of yeast. B) Production of CO2. C) Emulsification. D) Hydrolysis of wheat flour starch into sugars. Show Answer Correct Answer: B) Production of CO2. 19. What does a Toxicologist do? A) Learn about toxins at the molecular level. B) Perform tests on blood samples. C) Specialize in how diseases are transmitted through family relationships. D) Use engineering principles to solve problems in surgery and medicine. Show Answer Correct Answer: A) Learn about toxins at the molecular level. 20. Everyone has a ..... is unique to the indivi A) DNA fingerprint. B) Personality. C) Larger fragment. D) None of the above. Show Answer Correct Answer: A) DNA fingerprint. 21. The DNA extraction buffer contains ..... A) High salt concentration and optimal pH. B) Low salt concentration and acidic pH. C) Low salt concentration and high pH. D) Low salt concentration and optimal pH. Show Answer Correct Answer: C) Low salt concentration and high pH. 22. Which of these is an advantage of producing human insulin using human genes inserted into bacteria A) The insulin could be from different species. B) Large amounts of insulin are produced quickly. C) Depends on donations from other humans. D) Irregular supply. Show Answer Correct Answer: B) Large amounts of insulin are produced quickly. 23. Biolistic is suitable for A) Transformation of plant cell. B) DNA fingerprinting. C) Disarming pathogen vectors. D) Constructing recombinant DNA by joining with vectors. Show Answer Correct Answer: A) Transformation of plant cell. 24. ..... is the old term for the study of the processes of fermentation in yeast and bacteria in the production of foods and beverages A) Enzymology. B) Zymotechnolgy. C) Biotechnology. D) Immunology. Show Answer Correct Answer: B) Zymotechnolgy. 25. Which of the following is a real-world application of biotechnology in agriculture? A) Developing drought-resistant crops. B) Creating synthetic fertilizers. C) Designing solar-powered tractors. D) Breeding livestock for better traits. Show Answer Correct Answer: A) Developing drought-resistant crops. ← PreviousNext →Related 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 8Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 9Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books