This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which GMO crop was opposed in India due to biosafety concerns? A) Golden rice. B) Bt cotton. C) Bt corn. D) Bt brinjal. Show Answer Correct Answer: D) Bt brinjal. 2. Recombinant DNA is A) Any combination of DNA from 2 or more organisms. B) Used in the mapping of the human genome project. C) The process of separating DNA based on size. D) DNA which contains small fragments of RNA. Show Answer Correct Answer: A) Any combination of DNA from 2 or more organisms. 3. People first made a clone from an adult sheep and named her Dolly in what decade A) 1970's. B) 1980's. C) 1990's. D) 2000's. Show Answer Correct Answer: C) 1990's. 4. Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode? A) DNA is negatively charged so attracted to the positive end of the unit. B) DNA is positively charged to attracted to the negative end of the unit. C) The agarose gel in negatively charged. D) The agarose gel is positively charged. Show Answer Correct Answer: A) DNA is negatively charged so attracted to the positive end of the unit. 5. How is insulin produced for medical use? A) Harvesting it from plants. B) By extracting it from animal pancreases. C) Through chemical synthesis in a lab. D) Using genetically modified bacteria. Show Answer Correct Answer: D) Using genetically modified bacteria. 6. In the context of biotechnology, what does the term 'cloning' refer to? A) Creating a genetically identical copy of an organism. B) Mixing DNA from two different species. C) Altering the genetic code of an organism. D) Producing a hybrid organism. Show Answer Correct Answer: A) Creating a genetically identical copy of an organism. 7. Which of the following is the stain used to visualize DNA fragments in gel electrophoresis? A) Cotton blue. B) Ethidium bromide. C) Acetocarmine. D) Saffranine. Show Answer Correct Answer: B) Ethidium bromide. 8. Which of the following is not an example of a use of biotechnology? A) Identifying the father of a child by comparing DNA. B) Growing a kidney for transplant in a lab. C) Injecting stem cells into an injury to speed up recovery. D) Identifying the sex of a child using a sonogram. Show Answer Correct Answer: D) Identifying the sex of a child using a sonogram. 9. ADA is an enzyme which is deficient in a genetic disorder SCID.what is the full form of ADA? A) Adenosine deoxyaminase. B) Aspartate deaminase. C) Arginine deaminase. D) Adenosine deaminase. Show Answer Correct Answer: D) Adenosine deaminase. 10. How does biotechnology contribute to the field of environmental science? A) By developing renewable energy sources. B) By creating biodegradable plastics. C) By increasing fossil fuel extraction. D) By promoting deforestation. Show Answer Correct Answer: B) By creating biodegradable plastics. 11. How are clones different from similar organisms produced through natural selection? A) They are selectively bred organisms. B) They are biologically similar organism. C) They are not living individuals. D) They are genetically identical. Show Answer Correct Answer: D) They are genetically identical. 12. The Klenow fragment is basically a A) DNA hybrid. B) DNA polymerase. C) RNA polymerase. D) Promoter. Show Answer Correct Answer: B) DNA polymerase. 13. Cry I Ac and cry I Ab produce toxins that control ..... A) Cotton bollworms and corn borer respectively. B) Corn borer and cotton bollworms respectively. C) Tobacco budworms and nematodes respectively. D) Nematodes and tobacco budworms respectively. Show Answer Correct Answer: A) Cotton bollworms and corn borer respectively. 14. Which of the following allow for amplification of a DNA fragment abiotically? A) DNA sequencing. B) Gel electrophoresis. C) Polymerase chain reaction. D) Bacterial transformation. Show Answer Correct Answer: C) Polymerase chain reaction. 15. In agarose gel electrophoresis, smaller DNA fragments move ..... than larger ones. A) Faster. B) Slower. C) At the same speed. D) Irregularly. Show Answer Correct Answer: A) Faster. 16. Genes of interest can be selected from a genomic library by using A) Restriction enzymes. B) Cloning vectors. C) DNA Probes. D) Gene targets. Show Answer Correct Answer: C) DNA Probes. 17. Ti-Plasmid is obtained from A) Azotobacter. B) Agrobacterium. C) Yeast. D) Rhizobium. Show Answer Correct Answer: B) Agrobacterium. 18. True or False:Biotechnology is the use of any biological process for agricultural, medical, industrial or environmental purposes. This includes everything from creating a new variety of apple to developing a vaccine for a deadly disease. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which of the following best describes "restriction enzymes?" A) Enzymes that cut DNA. B) Enzymes that build DNA. C) Enzymes that dissolve DNA. D) Enzymes that turn DNA into RNA. Show Answer Correct Answer: A) Enzymes that cut DNA. 20. What type of science allows us to alter the DNA of a corn plant so that it will contain more protein? A) Biology. B) Biotechnology. C) Geology. D) Physiology. Show Answer Correct Answer: B) Biotechnology. 21. A toxicologist works in the biotechnology research and development pathway. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 22. To transfer (an organ, etc.) from one part of the body to another or from one person or animal to another A) Transplant. B) Implant. C) Device. D) Bionics. Show Answer Correct Answer: A) Transplant. 23. Which one is the benefit of genetically modified organisms(GMO)? A) More delicious than organic. B) Possible allergic reactions. C) Increased yields (make more). D) Unknown consequences. Show Answer Correct Answer: C) Increased yields (make more). 24. Which biotechnology technique is used to produce insulin for diabetic patients? A) Cloning. B) Gene therapy. C) Recombinant DNA technology. D) Stem cell therapy. Show Answer Correct Answer: C) Recombinant DNA technology. 25. Which information was most important to the development of genetic engineering techniques? A) The observation of nondominant alleles. B) The discovery of lethal genes. C) The formulation of Punnett squares. D) The structure of the DNA molecule. Show Answer Correct Answer: D) The structure of the DNA molecule. ← 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