This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 31 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following are the pathway of pathogens could enter our body? A) Respiratory system. B) Digestive system. C) Excretory System. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. Which of the following is NOT a step in the PCR process? A) Denaturation. B) Annealing. C) Extension. D) Transcription. Show Answer Correct Answer: D) Transcription. 3. Golden rice is A) A variety of rice grown along the yellow river in China. B) Long stored rice having yellow colour tint. C) A transgenic rice having gene for $\beta$-carotene. D) Wild variety of rice with yellow coloured grains. Show Answer Correct Answer: C) A transgenic rice having gene for $\beta$-carotene. 4. What is a major ethical issue associated with cloning animals for food production? A) It may lead to a decrease in food diversity. B) It could result in the loss of traditional farming methods. C) It raises concerns about animal welfare and rights. D) It might increase the cost of meat production. Show Answer Correct Answer: C) It raises concerns about animal welfare and rights. 5. Race horses, designer dogs and high milk production cows are all because of A) Selective breeding. B) DNA recombination. C) Transformation. D) Cloning. Show Answer Correct Answer: A) Selective breeding. 6. What type of cells contain plasmids? A) Eukaryotes. B) Animal cells. C) Prokaryotes. D) Plant cells. Show Answer Correct Answer: C) Prokaryotes. 7. Which genetic engineering technique allows us to produce multiple, identical copies of a single gene? A) Cloning. B) PCR. C) Gene Therapy. D) CRISPR. Show Answer Correct Answer: A) Cloning. 8. Which enzyme would be added to fruit in order to create a larger volume of juice out of the plant cells? A) Amylase. B) Maltase. C) Pepsin. D) Pectinase. Show Answer Correct Answer: D) Pectinase. 9. Which technique would most likely be used by forensic scientists? A) Gene cloning. B) DNA fingerprinting. C) Karyotyping. D) Gene therapy. Show Answer Correct Answer: B) DNA fingerprinting. 10. Which of the following best describes a point mutation? A) A change in a single nucleotide base in DNA. B) A large segment of DNA is duplicated. C) A segment of DNA is deleted. D) A segment of DNA is inverted. Show Answer Correct Answer: A) A change in a single nucleotide base in DNA. 11. ..... in 1975 developed the procedure for DNA transfer or for the DNA blot A) Kary Mullis. B) E. M. Southern. C) Alac Jeffry. D) Georges & Cesar. Show Answer Correct Answer: B) E. M. Southern. 12. Bioteknologi dalam penerapannya tidak selalu bermanfaat bagi kehidupan sehari-hari, akan tetapi juga berdampak tidak baik bagi kita. Yang bukan dampak buruk dari bioteknologi ..... A) Hasil limbah yang tinggi hasil dari sisa produk bioteknologi. B) Mengurangi plasma nutfah di Indonesia. C) Alkohol yang dihasilkan selama proses fermentasi merusak kesehatan bila dikonsumsi. D) Menciptakan hasil pangan dengan nilai gizi yang tinggi. Show Answer Correct Answer: D) Menciptakan hasil pangan dengan nilai gizi yang tinggi. 13. Which would be reduced as a result of the development of pest-resistant crops? A) Use of organic fertilizers. B) Use of chemical insecticides. C) Practice of crop rotation techniques. D) Practice of hydroponic farming techniques. Show Answer Correct Answer: B) Use of chemical insecticides. 14. Proteins that suppress the transcription of a gene are called A) Plasmids. B) Vectors. C) Inducers. D) Repressors. Show Answer Correct Answer: D) Repressors. 15. ..... cells are used to produce human proteins at an increased rate for gene therapy. A) Plant. B) Human. C) Animal. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 16. The ability of the component cells of callus to form a whole plant is known as A) Re-differentiation. B) De-differentiation. C) Either (a) or (b). D) None of these. Show Answer Correct Answer: A) Re-differentiation. 17. The patent for the first genetically engineered bacterium was given to: A) Cohen and Boyer. B) Paul Berg. C) Ananda Chakrabarty. D) Kary Mullis. Show Answer Correct Answer: C) Ananda Chakrabarty. 18. Which one of the following is not used as biofertiliser? A) Bacillus thuringiensis. B) Anabaena. C) Nostoc. D) Rhizobium. Show Answer Correct Answer: A) Bacillus thuringiensis. 19. During "gene cloning" which is called a gene taxi? A) Vaccine. B) Plasmid. C) Bacteria. D) Protozoa. Show Answer Correct Answer: B) Plasmid. 20. What is the role of operons in prokaryote gene expression? A) It makes the genes prokaryotes be turned on. B) It accounts for the regulation of gene activity in response to the needs of the cells. C) To make DNA for the gene. D) To make the gene turn of and off. Show Answer Correct Answer: B) It accounts for the regulation of gene activity in response to the needs of the cells. 21. Maximum application of animal cell culture technology today is in the production of A) Edible proteins. B) Insulin. C) Interferons. D) Vaccines. Show Answer Correct Answer: D) Vaccines. 22. An experimenter performed a transformation experiment. Which of the following describes the function of the-plasmid/LB and +plasmid/LB plates? A) To compare between the bacteria with and without the plasmid. B) To determine whether LB is required for the bacterial growth. C) To ensure the bacteria is viable after experimental set-up. D) To test whether temperature has an effect on growth. Show Answer Correct Answer: C) To ensure the bacteria is viable after experimental set-up. 23. A farmer is considering the advantages of cloning a herd of cattle from a single cow. What is one advantage of a cloned herd? A) All cattle in the herd would have the most desired traits. B) All cattle in the herd would have more genetic variation. C) All cattle in the herd would have more resistance to diseases. D) All cattle in the herd would have much longer life spans. Show Answer Correct Answer: A) All cattle in the herd would have the most desired traits. 24. A field of biology that involves the use of living things and technology to create new beneficial products. A) Biotechnology. B) Bioremediation. C) Agriculture. D) Economy. Show Answer Correct Answer: A) Biotechnology. 25. Why are bilingual handouts provided in the lesson? A) To make the lesson longer. B) To cater to bilingual students. C) To confuse the students. D) To decorate the classroom. Show Answer Correct Answer: B) To cater to bilingual students. ← 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