This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A single strand of nucleic acid tagged with a radioactive molecule is called A) Vector. B) Selectable marker. C) Plasmid. D) Probe. Show Answer Correct Answer: D) Probe. 2. T6-How do scientists cut DNA into smaller strands? A) Restriction enzymes. B) Scissors. C) Ligase. D) Agarose. Show Answer Correct Answer: A) Restriction enzymes. 3. Which example represents a modern biotechnology technique that raises potential ethical issues? A) Crossbreeding two different plants. B) Using bacteria to make biofuel. C) Adding animal genes to a plant. D) Transferring blood from one person to another. Show Answer Correct Answer: C) Adding animal genes to a plant. 4. How has genetic modification most likely affected the safety and availability of fruits and vegetables? A) It has decreased the safety and availability of fruits and vegetables. B) It has increased the safety and availability of fruits and vegetables. C) It has decreased the safety of food, but increased the availability of fruits and vegetables. D) It has increased the safety of food, but decreased the availability of fruits and vegetables. Show Answer Correct Answer: B) It has increased the safety and availability of fruits and vegetables. 5. What is an ethical consideration in genetic engineering? A) Reducing laboratory costs. B) Animal welfare. C) Improving technology access. D) Increasing crop yields. Show Answer Correct Answer: B) Animal welfare. 6. What are genetically modified organisms abbreviated as? A) GROs. B) GTOs. C) GMOs. D) GEOs. Show Answer Correct Answer: C) GMOs. 7. Which one of the following restriction endonuclease is obtained from Escherichia coli? A) BamH1. B) Sua 3A1. C) Hind III. D) EcoR1. Show Answer Correct Answer: D) EcoR1. 8. Contoh dari bioteknologi konvensional adalah ..... A) Fermentsi. B) Kloningindividu. C) Transgenik. D) Planlet. Show Answer Correct Answer: A) Fermentsi. 9. Sillage contains protein, oil and water and can be used as: A) An industrial antiseptic. B) Animal feed. C) A gasoline substitute. D) Hair gel. Show Answer Correct Answer: B) Animal feed. 10. One problem with selective breeding is A) Creating a new species. B) Gene variety is lost. C) Extinction of a species. D) None of the above. Show Answer Correct Answer: B) Gene variety is lost. 11. What is the primary goal of genetic engineering in agriculture? A) To increase crop yield and resistance to pests. B) To improve the taste of food. C) To reduce the size of plants. D) To change the color of flowers. Show Answer Correct Answer: A) To increase crop yield and resistance to pests. 12. Multiple Choice Questions (1-25)-Polymerase Chain Reaction (PCR) was invented by: A) Watson. B) Kary Mullis. C) Stanley Cohen. D) Boyer. Show Answer Correct Answer: B) Kary Mullis. 13. Which sequence can act as a restriction site A) AACCGGTTGGCC. B) GGTTGGCCAACC. C) AAGGCTTTCCGA. D) CTGCAGGACGTC. Show Answer Correct Answer: D) CTGCAGGACGTC. 14. What is solidifying agent used in culture media A) Sucrose. B) Agar-agar. C) Silica gel. D) Activated carbon. Show Answer Correct Answer: B) Agar-agar. 15. An allele is dominant in a heterozygote when it is A) Expressed and the other allele is not. B) A very common allele in a population. C) The stronger of the two alleles. D) More desirable then the other allele. Show Answer Correct Answer: A) Expressed and the other allele is not. 16. The enzymes which are commonly used in genetic engineering are A) Restriction endonuclease and polymerase. B) Endonuclease and ligase. C) Restriction endonuclease and ligase. D) Ligase and polymerase. Show Answer Correct Answer: B) Endonuclease and ligase. 17. The extraction of separated bands of DNA by cutting out them from the agarose gel is A) Denaturation. B) Fragmentation. C) Elution. D) None of the above. Show Answer Correct Answer: C) Elution. 18. Restriction endonuclease A) Break DNA at specific sites. B) Create sticky ends. C) Produce cross-overs. D) Both A and B. Show Answer Correct Answer: D) Both A and B. 19. Sally needs a brace that is not currently available. Her doctor is working with this healthcare professional to design and create a brace for her. What healthcare professional does this for patients? A) Quality control technician. B) Biomedical engineer. C) Biochemist. D) Biostatistician. Show Answer Correct Answer: B) Biomedical engineer. 20. Which is the best example of an antibiotic? A) Ibuprofen. B) Aspirin. C) Penicillin. D) Vaccine. Show Answer Correct Answer: C) Penicillin. 21. If a company genetically modifies corn to produce an odor that repels insects, which best describes how the corn was modified? A) By crop rotation techniques. B) By chemical exposure. C) By harvesting at different times. D) By techniques used in biotechnology. Show Answer Correct Answer: D) By techniques used in biotechnology. 22. The word biotechnology has been in use since the A) 1700s. B) 1800s. C) 1900s. D) 2000s. Show Answer Correct Answer: C) 1900s. 23. A:Golden rice is a genetically modified crop. R:It contains $\beta$-carotene gene which produces vitamin A precursor. 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. 24. GEAC stands for A) Genome Engineering Action Committee. B) Ground Environment Action Committee. C) Genetic Engineering Approval Committee. D) Genetic and Environment Approval Committee. Show Answer Correct Answer: D) Genetic and Environment Approval Committee. 25. Selain dimanfaatkan dalam pembuatan kecap Aspergillus wentii dapat pula digunakan dalam pembuatan produk ..... A) Yogurt. B) Keju. C) Tauco. D) Margarin. Show Answer Correct Answer: C) Tauco. ← 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