This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Stem Cells A) A toxic chemical that causes damage to an organism's DNA. B) A simple cell in the body that is able to develop into any one of various kinds of cells (such as blood cells, skin cells, etc.). C) The basic unit of structure and function in living things. Cells can make products, be products themselves, or be used to do jobs. D) None of the above. Show Answer Correct Answer: B) A simple cell in the body that is able to develop into any one of various kinds of cells (such as blood cells, skin cells, etc.). 2. Multiple Choice Questions (1-25)-The commonly used plasmid vector in E. coli is: A) Ti plasmid. B) PBR322. C) PUC18. D) Lambda phage. Show Answer Correct Answer: B) PBR322. 3. Which process uses a body cell to create a new organism? A) Crossbreeding. B) Cloning. C) Genetic modification. D) Gene splicing. Show Answer Correct Answer: B) Cloning. 4. Plasmids, yeast, and viruses are known as ..... A) Restriction enzymes. B) Vectors. C) Genetically modified organisms. D) Bacteria. Show Answer Correct Answer: B) Vectors. 5. Mendel begins his experiment with purebred pea plants. This approach enabled him to determine that variations among offspring were the results of A) Random mutations. B) Self-pollination. C) Genetic uniformity. D) His crossings. Show Answer Correct Answer: D) His crossings. 6. What does a Biostatistician do during a normal day? A) Investigating the effects of chemotherapy on the body. B) Going to different sites to collect samples. C) Conducting research. D) Analyzing the effects of treatment. Show Answer Correct Answer: D) Analyzing the effects of treatment. 7. What is the role of biotechnology in agriculture, food processing industry, medicine diagnostics, bioremediation, waste treatment and energy production? A) To study biological systems. B) To improve human lives and the health of the planet. C) To develop new technologies. D) To create new organisms. Show Answer Correct Answer: B) To improve human lives and the health of the planet. 8. Jenis bakteri yang dapat memisahkan logam dari bijihnya yaitu ..... A) Lactobacillus bulgaricus. B) Thiobacillus thuringiensis. C) Thiobacillus ferooxidans. D) Aspergillus oryzae. Show Answer Correct Answer: C) Thiobacillus ferooxidans. 9. Which bacterium naturally transfers T-DNA into plants? A) Agrobacterium tumifaciens. B) Rhizobium. C) Bacillus thuringiensis q. D) Ecoli. Show Answer Correct Answer: A) Agrobacterium tumifaciens. 10. Which of the following is true about Biomedical Chemists. A) Do not perform scientific research. B) Apply chemical principles to study human diseases. C) Determine how emergencies are responded to. D) Analyze evidence in criminal investigations. Show Answer Correct Answer: B) Apply chemical principles to study human diseases. 11. Biolistic gun is suitable for ..... A) Transformation of plant cells. B) Disarming pathogen vectors. C) DNA finger printing. D) Constructing recombinant DNA. Show Answer Correct Answer: A) Transformation of plant cells. 12. What is the role of ligase in biotechnology? A) Ligase is an enzyme that joins DNA fragments together, crucial for the formation of recombinant DNA. B) Ligase is responsible for unwinding DNA strands during replication. C) Ligase acts as a catalyst for the synthesis of RNA from DNA. D) Ligase is involved in the degradation of DNA fragments. Show Answer Correct Answer: A) Ligase is an enzyme that joins DNA fragments together, crucial for the formation of recombinant DNA. 13. Which branch of science allows us to alter the DNA of a tomato so it will not rot fast? A) Biotechnology. B) Biology. C) Anatomy. D) Geology. Show Answer Correct Answer: A) Biotechnology. 14. ..... tissue is present in nose, ear, larynx, trachea A) Artery. B) Cartilage. C) Bone. D) Striated tissue. Show Answer Correct Answer: B) Cartilage. 15. The process of making multiple copies of DNA in vitro is called ..... A) PCR (Polymerase Chain Reaction). B) Gel electrophoresis. C) DNA sequencing. D) Cloning vector preparation. Show Answer Correct Answer: A) PCR (Polymerase Chain Reaction). 16. Golden rice is rich in: A) Iron. B) Vitamin A. C) Vitamin C. D) Zinc. Show Answer Correct Answer: B) Vitamin A. 17. Susan has a highschool diploma and experience, she could interview for which job? A) Toxicologist. B) Biophysicist. C) Veterinary technician. D) Laboratory assistant. Show Answer Correct Answer: D) Laboratory assistant. 18. Basic principle for developing transgenic plants and animals is to introduce the gene of interest into nucleus of ..... A) Body Cell. B) Germ Cell. C) Somatic Cell. D) Vegetative Cell. Show Answer Correct Answer: B) Germ Cell. 19. Which is a positive result of the use of biotechnology in agriculture? A) . increased cost. B) Increased yield. C) Increased use of pesticides. D) Increased use of preservatives. Show Answer Correct Answer: B) Increased yield. 20. Which is most important when investigating ethical issues in biotechnology? A) Cost of the technology. B) Advantage of the technology. C) Public opinion of the technology. D) Benefits of the technology outweighing the harm. Show Answer Correct Answer: D) Benefits of the technology outweighing the harm. 21. What is bioremediation? A) Using transgenic crops to improve nutrition. B) Using living organisms to remove pollution from the environment. C) Using microbes to aid in medication production. D) Trying to reverse the effects of a super hero mutation. Show Answer Correct Answer: B) Using living organisms to remove pollution from the environment. 22. Multiple Choice Questions (1-25)-Agarose gel electrophoresis separates DNA fragments based on: A) Shape. B) Charge. C) Size. D) Density. Show Answer Correct Answer: C) Size. 23. Assertion (A):Taq polymerase is used in PCR. Reason (R):It is stable at high temperature. 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. 24. What information must be known before a gene can be inserted into a bacteria? A) DNA sequence of the gene. B) MRNA sequence of the gene. C) TRNA sequence of the gene. D) Protein sequence of the gene. Show Answer Correct Answer: A) DNA sequence of the gene. 25. RNA interference is useful for . A) Micropropagation. B) Cell defense. C) Cell proliferation. D) Cell differentiation. Show Answer Correct Answer: B) Cell defense. ← 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 9Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 10Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books