This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 11 Biotechnology Principles And Processes – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 11 Biotechnology Principles And Processes Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This is the practice of choosing individuals of a species to mate based on their desirable characteristics A) Bacterial recombination. B) Natural selection. C) Genetic modification. D) Selective breeding. Show Answer Correct Answer: D) Selective breeding. 2. The correct order of steps in Polymerase Chain Reaction (PCR) is ..... A) Denaturation, Extension, Annealing. B) Annealing, Extension, Denaturation. C) Extension, Denaturation, Annealing. D) Denaturation, Annealing, Extension. Show Answer Correct Answer: D) Denaturation, Annealing, Extension. 3. 1) 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. 4. Restriction enzymes ..... A) Cut DNA at a specific site. B) Can be used to isolate a gene of interest. C) Can be used to cut vector DNA. D) Do all of these things. Show Answer Correct Answer: D) Do all of these things. 5. Human insulin is being commercially produced from a transgenic species of A) Rhizobium. B) Eschericha. C) Mycobacterium. D) Saccharomyces. Show Answer Correct Answer: B) Eschericha. 6. What is the basic definition of biotechnology? A) Study of plant diseases. B) Use of living organisms to make products. C) Learning about plant parts. D) Study of human genetics. Show Answer Correct Answer: B) Use of living organisms to make products. 7. Nata de coco adalah salah satu hasil olahan yang memanfaatkan mikroorganisme A) Acetobacter xylinum. B) Neurospora crassa. C) Sacharomyces. D) Eschericia coli. Show Answer Correct Answer: A) Acetobacter xylinum. 8. The scientist that works in a laboratory to study the effects new compounds interact with disease causing organisms to develop new drugs. A) Biochemist. B) Pharmaceutical scientist. C) Microbiologist. D) Chemist. Show Answer Correct Answer: B) Pharmaceutical scientist. 9. Which of the following would be an example of gene therapy technology? A) Development of a nasal spray that contains copies of the normal gene that is defective in person with cystic fibrosis. B) Cutting DNA into fragments with restriction enzymes. C) Modifying E. coli to produce indigo dye for coloring denim blue jeans. D) Separation DNA fragments using gel electrophoresis. Show Answer Correct Answer: A) Development of a nasal spray that contains copies of the normal gene that is defective in person with cystic fibrosis. 10. What must be isolated from histone proteins in the DNA extraction process? A) Chromosomes. B) Nucleus. C) Organelles. D) DNA. Show Answer Correct Answer: D) DNA. 11. What does a cell biologists study? A) Structure of cells. B) Functions of cells. C) Types of cells. D) All of the these. Show Answer Correct Answer: D) All of the these. 12. Identifying a freeze resistant gene in a fish and placing it into a tomato plant is an example of A) Hybridization. B) Inbreeding. C) Transgenic organisms. D) Genome. Show Answer Correct Answer: C) Transgenic organisms. 13. The purpose gene therapy in treating disorders, such as cystic fibrosis and SCIDS, is to A) Replace faulty genes with normal ones. B) Determine the sequence of genes. C) Remove mutations from genes. D) Change dominant alleles to recessive alleles. Show Answer Correct Answer: A) Replace faulty genes with normal ones. 14. The latter R in EcoRI is derived from A) The name of genus. B) The name of strain. C) The name of species. D) The term restriction. Show Answer Correct Answer: B) The name of strain. 15. For a DNA to function as a cloning vector the most essential requirement is- A) Multiple restriction sites. B) Several selectable markers. C) Circular nature. D) 'ori' sequence. Show Answer Correct Answer: D) 'ori' sequence. 16. Dampak negatif yang ditimbulkan dari pemanfaatan biotehnologi trangenik dalam pelestarian spesies tertentu adalah ..... A) Kerusakan plasma nutfah. B) Munculnya bibit unggul. C) Timbunya jenis baru. D) Cepat bereproduksi. Show Answer Correct Answer: A) Kerusakan plasma nutfah. 17. Golden rice is genetically engineered to produce ..... A) $\beta$-carotene. B) Insulin. C) Lactase. D) Vitamin C. Show Answer Correct Answer: A) $\beta$-carotene. 18. Stirred-tank bioreactors have been designed for A) Purification of the product. B) Ensuring anaerobic conditions in the culture vessel. C) Availability of oxygen throughout the process. D) Addition of preservatives to the product5%. Show Answer Correct Answer: C) Availability of oxygen throughout the process. 19. Mikroorganisme yang digunakan dalam proses pembuatan Natta de Coco adalah ..... A) Saccharomyces Cerevisceae. B) Aspergillus wentii. C) Lactobacillus casei. D) Acetobacter Xylinum. Show Answer Correct Answer: D) Acetobacter Xylinum. 20. Who is responsible for running the clinical trials? A) Data specialists. B) Clinical trials monitor. C) Clinical trials research associate. D) Biochemist. Show Answer Correct Answer: C) Clinical trials research associate. 21. Name the first restriction enzyme discovered? A) Hind II. B) EcoRI. C) Hind III. D) BamHI. Show Answer Correct Answer: A) Hind II. 22. Multiple Choice Questions (1-25)-Competent cells are prepared using: A) Calcium chloride. B) Sodium chloride. C) Potassium iodide. D) Ammonium sulphate. Show Answer Correct Answer: A) Calcium chloride. 23. A:ADA deficiency is a genetic disorder. R:It is caused due to defective adenosine deaminase enzyme. Choose the correct option about A and R. 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) A is false, but R is true. Show Answer Correct Answer: A) Both A and R are true, and R is the correct explanation of A. 24. Find the odd one wrt to PCR A) Denaturation at 72 degrees. B) Renaturation at 50-60 degrees. C) Denaturation at 94 degrees. D) Extension at 72 degrees. Show Answer Correct Answer: D) Extension at 72 degrees. 25. Which of the following tools is commonly used in biotechnology for cutting DNA at specific sequences? A) DNA Ligase. B) DNA Polymerase. C) Restriction Enzymes. D) RNA Polymerase. Show Answer Correct Answer: C) Restriction Enzymes. ← 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