This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism that lives on or in a host, and causes it harm while it takes its nutrients is called A) A virus. B) A cell. C) A parasite. D) A host. Show Answer Correct Answer: C) A parasite. 2. David tests a small amount of new drug developed at a laboratory to make sure it meets the Food and Drug Administration standards. What is most likely David's occupation? A) Pharmacist. B) Pharmaceutical technician. C) Physician. D) Pharmaceutical salesman. Show Answer Correct Answer: B) Pharmaceutical technician. 3. ..... Medium is commonly used in tissue culture technique A) M.S. B) Agar-Agar. C) Czapek Dox. D) PDA. Show Answer Correct Answer: A) M.S. 4. The type of bond formed by DNA ligase between adjacent nucleotides is A) Hydrogen bond. B) Phosphodiester bond. C) Diester bond. D) Sulphide bond. Show Answer Correct Answer: B) Phosphodiester bond. 5. What process could cure genetic disorders by replacing defective genes with working ones? A) Gene therapy. B) Nondisjunction. C) Gel electrophoresis. D) Cloning. Show Answer Correct Answer: A) Gene therapy. 6. In molecular cloning, a ..... is used to insert a fragment of DNA into the host cell. A) Plasmid. B) Bacterium. C) DNA fragment. D) Virus. Show Answer Correct Answer: A) Plasmid. 7. Besides the nucleus, which other organelle in your cell has DNA in it? A) Vacuole. B) Lysosomes. C) Mitochondria. D) Ribosomes. Show Answer Correct Answer: C) Mitochondria. 8. Enzyme used to open the cell envelope of a bacteria A) Cellulase. B) Ribozyme. C) Lysozyme. D) Chitinase. Show Answer Correct Answer: C) Lysozyme. 9. Which structure involved in genetic engineering? A) Plastid. B) Plasmid. C) Codon. D) None of these. Show Answer Correct Answer: B) Plasmid. 10. Which of the following is not a feature of plasmids? A) Extra chromosomal. B) Circular structure. C) Single stranded. D) Independent replication. Show Answer Correct Answer: C) Single stranded. 11. How can mutations be beneficial in the context of evolution? A) They always lead to genetic disorders. B) They can introduce genetic diversity that may enhance survival. C) They prevent any changes in the genetic code. D) They eliminate genetic diversity. Show Answer Correct Answer: B) They can introduce genetic diversity that may enhance survival. 12. What is the fullform of Ti plasmid A) Transformation inducing plasmid. B) Transfer inducing plasmid. C) Transcription initiation plasmid. D) Tumour inducing plasmid. Show Answer Correct Answer: D) Tumour inducing plasmid. 13. In reproductive cloning, the egg cell of one organism is used by removing the ..... nucleus and then combining the ..... nucleus from a cell from a second individual. Once the cell starts to divide, it is placed in a surrogate mother. A) Haploid, diploid. B) DNA, RNA. C) RNA, DNA. D) Diploid, haploid. Show Answer Correct Answer: A) Haploid, diploid. 14. Restriction site of EcoR1 enzyme is A) 5'-GAATTC-3'. B) 3'-GAATTC-5'. C) GAATTC. D) 5'-CTTAAG-3'. Show Answer Correct Answer: A) 5'-GAATTC-3'. 15. Who oversees the research scientists in a clinical trial? A) Quality control officer. B) Computer data specialist. C) Clinical trials monitor. D) Clinical trials assistant. Show Answer Correct Answer: C) Clinical trials monitor. 16. Which of the following is used as a pH indicator in the culture medium A) Janus green. B) Calcium chloride. C) Phenol Red. D) Methylene blue. Show Answer Correct Answer: C) Phenol Red. 17. What is the recognition sequence and site of cleavage for restriction enzyme Eco R1? A) 5'GAATTC3'. B) 5'CCCGGG3'. C) 5'GGATCC3'. D) 5'AAGCTT3'. Show Answer Correct Answer: A) 5'GAATTC3'. 18. The term chemical knife refers to A) Endonucleases. B) Polymerases. C) Ribonuclease. D) Cellulases. Show Answer Correct Answer: A) Endonucleases. 19. T6-Which technology below would probably be the most important to a person who had diabetes and had to take insulin every day? A) Using recombinant DNA to produce human hormones from bacteria. B) Testing parents for genetic disorders before they have children. C) Engineering fruits and vegetables that resist insects and other pests. D) C. developing ways to identify criminals through DNA fingerprinting. Show Answer Correct Answer: A) Using recombinant DNA to produce human hormones from bacteria. 20. A gene is said to be cloned if A) The DNA sequence of the gene is known. B) The function of the gene is known. C) There is a DNA probe for the gene. D) The gene has been isolated and copied. Show Answer Correct Answer: D) The gene has been isolated and copied. 21. Which organisms are used to manufacture human insulin? A) Protozoans. B) Algae. C) Bacteria. D) Amoebas. Show Answer Correct Answer: C) Bacteria. 22. Which of the following is NOT a way in which biotechnology is working to feed the world? A) Creating crops with higher nutrition. B) GMO crops naturally resistant to insects preventing needs for chemical pesticides. C) Generating higher crop yeilds. D) Creating apples used by jealous queens to kill snow white. Show Answer Correct Answer: D) Creating apples used by jealous queens to kill snow white. 23. Which is the least beneficial to the field of medicine? A) Genetically modified crops. B) Gene therapy. C) Transgenic insulin production. D) The human genome project. Show Answer Correct Answer: A) Genetically modified crops. 24. Which of the following best describes a real-world application of Aest Biotechnology? A) Creating more efficient solar panels. B) Designing faster computer processors. C) Developing new construction materials. D) Enhancing the nutritional content of crops. Show Answer Correct Answer: D) Enhancing the nutritional content of crops. 25. What would be a positive reason to genetically alter Fraser Fir trees in North Carolina to make them more resistant to rot? A) By producing crops that are frost resistant. B) By making robots to replace large farm machines. C) The population of fir trees would increase and grow healthier. D) By increasing the use of wind farms that produce electricity. Show Answer Correct Answer: C) The population of fir trees would increase and grow healthier. 26. A "blank" cell that can develop into one of many different types of cells. A) Bioremediation. B) Genetic modification. C) Stem cell. D) Biotechnology. Show Answer Correct Answer: C) Stem cell. 27. Most commonly used matrix in gel electrophoresis is A) Polyacrylamide. B) Agarose. C) Sulphate bromide. D) Ethidium bromide. Show Answer Correct Answer: B) Agarose. 28. A scientist cloned a goat. Which of these is a true statement about the cloned goat? A) It has new genes and traits. B) It lacks the genes for reproduction. C) It has the genes that are identical to the original goat. D) It looks the same but has different genes. Show Answer Correct Answer: C) It has the genes that are identical to the original goat. 29. Which area of biotechnology would create ethical issues within human society? A) Insulin produced by bacteria. B) Organ cloning for use in transplants. C) Genetic engineering to improve agricultural yields. D) DNA and forensic testing of crime scene evidence. Show Answer Correct Answer: B) Organ cloning for use in transplants. 30. What is the primary goal of genetic engineering in biotechnology? A) To eliminate the need for fertilizers. B) To modify organisms for specific purposes. C) To increase the natural biodiversity. D) To create new species of animals. Show Answer Correct Answer: B) To modify organisms for specific purposes. 31. Which biotechnology tool is used to transfer genes from one organism to another? A) Plasmids. B) Mitochondria. C) Ribosomes. D) Chloroplasts. Show Answer Correct Answer: A) Plasmids. 32. The study of the means by which humans perform tasks and of the application of the findings to the design of electronic devices and mechanical parts A) Bionics. B) Biology. C) Exo-technology. D) Engineering. Show Answer Correct Answer: A) Bionics. 33. Which of the following is when an organism's DNA is duplicated? A) Cloning. B) Artificial Selection. C) Genetic Engineering. D) None of the above. Show Answer Correct Answer: A) Cloning. 34. First restriction endonuclease enzyme was discovered in A) E. COLI. B) Bacteriophages. C) Haemophilous influenzae. D) PPLO. Show Answer Correct Answer: C) Haemophilous influenzae. 35. Which of the following best describes a gene? A) A section of DNA. B) A bundle of DNA. C) Every cell in your body has 23 pairs of genes. D) All of the genetic material in your cells. Show Answer Correct Answer: A) A section of DNA. 36. Which genetic engineering technique separates DNA fragments based on their size? A) Gel Electrophoresis. B) Gene Cloning. C) CRISPR. D) PCR. Show Answer Correct Answer: A) Gel Electrophoresis. 37. 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) Nata de coco. C) Tempe. D) Keju. Show Answer Correct Answer: B) Nata de coco. 38. 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. 39. 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. 40. Which of the following is not a disadvantage of cloning? A) Cloning is expensive. B) Reduces biodiversity. C) Increases food supply. D) Success rate in mammals is low. Show Answer Correct Answer: C) Increases food supply. 41. 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. 42. The process of removing DNA from cells is called A) Recombinant DNA. B) Transgenics. C) DNA extraction. D) DNA fingerprinting. Show Answer Correct Answer: C) DNA extraction. 43. What is CRISPR-Cas9 used for? A) DNA replication. B) Gene editing. C) Protein synthesis. D) Cell respiration. Show Answer Correct Answer: B) Gene editing. 44. 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. 45. This scientist performs scientific research and applies chemical principles to study human diseases, their origins, and how to best treat them. A) Biomedical chemists. B) Microbiologists. C) Geneticists. D) Cell biologists. Show Answer Correct Answer: A) Biomedical chemists. 46. An enzyme that join the ends of two strands of nucleic acid is a A) Helicase. B) Ligase. C) Synthetase. D) Polymerase. Show Answer Correct Answer: B) Ligase. 47. Of the following, what happened first in the field of genetics? A) Cloning sheep. B) DNA fingerprinting. C) Mendel's peas. D) Gene therapy. Show Answer Correct Answer: C) Mendel's peas. 48. Which process uses a body cell to crete a new organism? A) Genetic modification. B) Cloning. C) Gene splicing. D) Crossbreeding. Show Answer Correct Answer: B) Cloning. 49. Who coined the term plasmid? A) Lederberg. B) Herbert Boyer. C) Stanley. D) Benthem. Show Answer Correct Answer: A) Lederberg. 50. This cuts DNA molecules at specific locations A) ATP. B) Polymerase. C) Restriction enzymes. D) DNA ligase. Show Answer Correct Answer: C) Restriction enzymes. 51. Making changes in the DNA of an organism/to a living cell is called ..... A) Genetic engineering. B) Artificial selection. C) Genetic transformation. D) Selective breeding. Show Answer Correct Answer: A) Genetic engineering. 52. A chair mounted on wheels for use by persons who cannot walk because they are temporarily or permanently disabled. A) Implant. B) Exo-skeleton. C) Wheelchair. D) Transplant. Show Answer Correct Answer: C) Wheelchair. 53. Which is an example of scientists using biotechnology to benefit aquaculture? A) Making new forms of human antibiotics. B) Producing a faster-growing salmon species. C) Developing a rot-resistant gene for trees. D) Creating pest-resistant crops. Show Answer Correct Answer: B) Producing a faster-growing salmon species. 54. A technology that replaces a defective or missing gene to treat a disease is called ..... A) Genetic Engineering. B) Gene Sequencing. C) Gene Cloning. D) Gene Therapy. Show Answer Correct Answer: D) Gene Therapy. 55. Proses pembentukan organisme baru yang secara alamiah tidak mungkin terjadi di alam dapat diperoleh dengan cara A) Mutasi. B) Pembentukan bibit unggul. C) Evolusi. D) Rekayasa genetika. Show Answer Correct Answer: D) Rekayasa genetika. 56. How many chromosomes are found in a cell of a typical human? A) 50. B) 46. C) 44. D) 42. Show Answer Correct Answer: B) 46. 57. Which historical figure is known for discovering the role of microorganisms in fermentation? A) Charles Darwin. B) Albert Einstein. C) Isaac Newton. D) Louis Pasteur. Show Answer Correct Answer: D) Louis Pasteur. 58. Full form of ELISA is? A) Enzyme linked immuno selection assay. B) Electrophoresis linked immuno secondary analysis. C) Enzyme loaded ionised substrate assay. D) Enzyme linked immuno sorbent assay. Show Answer Correct Answer: D) Enzyme linked immuno sorbent assay. 59. A microbe that can cause harm is known as a A) Virus. B) Pathogen. C) Bacteria. D) Pathogon. Show Answer Correct Answer: B) Pathogen. 60. Which GMO crop was opposed in India due to biosafety concerns? A) Bt cotton. B) Golden rice. C) Bt brinjal. D) Bt corn. Show Answer Correct Answer: C) Bt brinjal. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books