This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Acetobacter xylinum akan membentuk serabut hemiselulosa berwarna putih pada medium cair, hal ini yang menyebabkan bakteri Acetobacter xylinum berperan dalam proses pembuatan ..... A) Yoghurt. B) Keju. C) Nata de coco. D) Tempe. Show Answer Correct Answer: C) Nata de coco. 2. Which of the following correctly defines a genetically modified organism? A) An organism that allows the DNA of a living cell to be modified. B) An organism that contains recombinant DNA to provide a desired trait. C) An organism that is genetically identical to another organism. D) An organism that disrupts or turns off a gene. Show Answer Correct Answer: B) An organism that contains recombinant DNA to provide a desired trait. 3. What is a negative ethical issue involved in in vitro fertilization? A) Allows infertile couples to have children. B) Multiple children can be formed during a pregnancy, resulting in increased health issues. C) Genetic screening to prevent defects. D) Here are no negative ethical issues. Show Answer Correct Answer: B) Multiple children can be formed during a pregnancy, resulting in increased health issues. 4. Which of the following is not a disadvantage of cloning? A) Cloning is expensive. B) Increases food supply. C) Reduces biodiversity. D) Success rate in mammals is low. Show Answer Correct Answer: B) Increases food supply. 5. What is the main focus of the group discussion activity in the lesson? A) Pros and cons of plant biotechnology. B) How to plant a garden. C) The history of agriculture. D) Drawing plant cells. Show Answer Correct Answer: A) Pros and cons of plant biotechnology. 6. The process of removing DNA from cells is called A) DNA fingerprinting. B) DNA extraction. C) Recombinant DNA. D) Transgenics. Show Answer Correct Answer: B) DNA extraction. 7. What is CRISPR-Cas9 used for? A) Gene editing. B) Protein synthesis. C) Cell respiration. D) DNA replication. Show Answer Correct Answer: A) Gene editing. 8. Louis Pasteur was a French scientist in the 1800s who is well known for his study of: A) Evil spirits that cause disease. B) The structure of DNA. C) Cloning human embryos. D) Germs and the rabies vaccine. Show Answer Correct Answer: D) Germs and the rabies vaccine. 9. This scientist performs scientific research and applies chemical principles to study human diseases, their origins, and how to best treat them. A) Microbiologists. B) Geneticists. C) Cell biologists. D) Biomedical chemists. Show Answer Correct Answer: D) Biomedical chemists. 10. An enzyme that join the ends of two strands of nucleic acid is a A) Polymerase. B) Synthetase. C) Helicase. D) Ligase. Show Answer Correct Answer: D) Ligase. 11. Of the following, what happened first in the field of genetics? A) Cloning sheep. B) Mendel's peas. C) DNA fingerprinting. D) Gene therapy. Show Answer Correct Answer: B) Mendel's peas. 12. Which process uses a body cell to crete a new organism? A) Crossbreeding. B) Cloning. C) Genetic modification. D) Gene splicing. Show Answer Correct Answer: B) Cloning. 13. Which is not a part of plant biotechnology techniques? A) Cloning plants. B) Genetic modification. C) Tissue culture. D) Cooking plants. Show Answer Correct Answer: D) Cooking plants. 14. Who coined the term plasmid? A) Herbert Boyer. B) Lederberg. C) Stanley. D) Benthem. Show Answer Correct Answer: B) Lederberg. 15. This cuts DNA molecules at specific locations A) Restriction enzymes. B) DNA ligase. C) Polymerase. D) ATP. Show Answer Correct Answer: A) Restriction enzymes. 16. Making changes in the DNA of an organism/to a living cell is called ..... A) Selective breeding. B) Artificial selection. C) Genetic engineering. D) Genetic transformation. Show Answer Correct Answer: C) Genetic engineering. 17. Scientists have produced a genetically engineered orange tree that is resistant to disease. Which of the following is the best example of a potential benefit to society that could result from this biotechnology? A) Reduction in orange crop yield. B) A change in the distribution of insects that pollinate orange flowers. C) Increase in orange crop yield. D) Increase in the cost of orange crop. Show Answer Correct Answer: C) Increase in orange crop yield. 18. A chair mounted on wheels for use by persons who cannot walk because they are temporarily or permanently disabled. A) Wheelchair. B) Exo-skeleton. C) Implant. D) Transplant. Show Answer Correct Answer: A) Wheelchair. 19. Which is an example of scientists using biotechnology to benefit aquaculture? A) Creating pest-resistant crops. B) Making new forms of human antibiotics. C) Developing a rot-resistant gene for trees. D) Producing a faster-growing salmon species. Show Answer Correct Answer: D) Producing a faster-growing salmon species. 20. A technology that replaces a defective or missing gene to treat a disease is called ..... A) Genetic Engineering. B) Gene Therapy. C) Gene Cloning. D) Gene Sequencing. Show Answer Correct Answer: B) Gene Therapy. 21. Proses pembentukan organisme baru yang secara alamiah tidak mungkin terjadi di alam dapat diperoleh dengan cara A) Evolusi. B) Rekayasa genetika. C) Pembentukan bibit unggul. D) Mutasi. Show Answer Correct Answer: B) Rekayasa genetika. 22. How many chromosomes are found in a cell of a typical human? A) 50. B) 42. C) 46. D) 44. Show Answer Correct Answer: C) 46. 23. Which historical figure is known for discovering the role of microorganisms in fermentation? A) Charles Darwin. B) Louis Pasteur. C) Albert Einstein. D) Isaac Newton. Show Answer Correct Answer: B) Louis Pasteur. 24. Full form of ELISA is? A) Electrophoresis linked immuno secondary analysis. B) Enzyme linked immuno sorbent assay. C) Enzyme loaded ionised substrate assay. D) Enzyme linked immuno selection assay. Show Answer Correct Answer: B) Enzyme linked immuno sorbent assay. 25. A microbe that can cause harm is known as a A) Pathogen. B) Pathogon. C) Virus. D) Bacteria. Show Answer Correct Answer: A) Pathogen. ← 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