Genetic modification in foods MCQs Food science December 27, 2025August 5, 2024 by u930973931_answers 50 min Score: 0 Attempted: 0/50 Subscribe 1. . What is genetic modification in foods? (A) Altering the DNA of organisms to achieve desired traits (B) Changing the flavor of food (C) Adding artificial colors to food (D) Increasing shelf life through preservatives 2. . Technique commonly used to introduce new genes into a plant’s genome: (A) Crossbreeding (B) CRISPR-Cas9 (C) Traditional breeding (D) Mutation breeding 3. . Primary purpose of GM crops: (A) Enhance taste (B) Improve nutritional content (C) Increase resistance to pests and diseases (D) Reduce food cost 4. . Common trait engineered into GM crops: (A) Herbicide resistance (B) Increased sweetness (C) Enhanced color (D) Faster ripening 5. . What is Bt corn? (A) Corn producing a protein toxic to certain insects (B) Corn modified to resist herbicides (C) Corn that grows faster (D) Corn with enhanced nutritional content 6. . Organization responsible for regulating GM foods in the US: (A) USDA (B) FDA (C) EPA (D) NIH 7. . NOT a benefit of genetic modification in crops: (A) Increased yield (B) Guaranteed organic status (C) Enhanced nutritional value (D) Improved resistance to pests 8. . Role of Agrobacterium tumefaciens in genetic modification: (A) Acts as a pesticide (B) Directly edits plant DNA (C) Carries foreign genes into plant cells (D) Increases plant growth rate 9. . GM crop designed to produce edible vaccines: (A) Golden Rice (B) Bt Cotton (C) Virus-resistant potatoes (D) Edible banana vaccines 10. . Golden Rice genetically modified to produce: (A) Increased yield (B) Higher protein content (C) Herbicide resistance (D) Beta-carotene (Vitamin A) 11. . Common method to create genetically modified plants: (A) Gene gun (B) Cross-pollination (C) Artificial insemination (D) Hybridization 12. . Primary concern associated with GM foods: (A) Higher cost (B) Loss of flavor (C) Increased cooking time (D) Environmental impact 13. . Regulatory body in Europe evaluating GM food safety: (A) WHO (B) ECDC (C) EFSA (D) FAO 14. . Purpose of genetic modification in livestock: (A) Improve meat quality (B) Increase milk production (C) All of the above (D) Enhance disease resistance 15. . Example of a GM fish: (A) Golden Trout (B) Bluegill Sunfish (C) Nile Tilapia (D) AquaAdvantage Salmon 16. . What “transgenic” refers to: (A) Process of hybridization (B) Natural variation in crops (C) Organism containing genes from another species (D) Selective breeding 17. . GM trait aimed at reducing food spoilage: (A) Herbicide tolerance (B) Delayed ripening (C) Pest resistance (D) Increased growth rate 18. . Role of “Roundup Ready” trait: (A) Make crops resistant to glyphosate (B) Increase nutritional content (C) Make crops drought-resistant (D) Enhance flavor 19. . Method to insert genes into animal cells for GM: (A) Electroporation (B) Gene gun (C) Agrobacterium-mediated transformation (D) Microinjection 20. . Significant advantage of GM crops over conventional crops: (A) Higher production cost (B) Reduced nutritional value (C) Increased growth time (D) Greater resistance to environmental stress 21. . Technique used to create “knockout” animals: (A) RNA interference (B) Gene gun (C) CRISPR-Cas9 (D) Electroporation 22. . Potential environmental concern with GM crops: (A) Crossbreeding with wild relatives (B) Increased biodiversity (C) Enhanced soil fertility (D) Improved pollinator health 23. . Purpose of inserting antibiotic resistance genes into GM plants: (A) Enhance plant growth (B) Select for successfully modified cells (C) Increase nutritional value (D) Improve flavor 24. . GM crop engineered to produce insulin: (A) GM Corn (B) GM Soybean (C) GM Potato (D) GM Sugar Beet 25. . GM plants developed to withstand harsh environmental conditions: (A) Biotic stress-tolerant crops (B) Abiotic stress-tolerant crops (C) Nutritionally enhanced crops (D) Pest-resistant crops 26. . Common method to transfer genes into plant cells: (A) Electroporation (B) Gene gun (C) Heat shock (D) Microinjection 27. . Regulatory agency for GM food safety in Australia/New Zealand: (A) EFSA (B) FSANZ (C) FDA (D) USDA 28. . “Biosafety” in GM foods context refers to: (A) Environmental and health risks of GM foods (B) Economic benefits of GM crops (C) Taste improvements (D) Increased shelf life 29. . GM crop developed to produce higher levels of essential nutrients: (A) Bt Corn (B) Golden Rice (C) Roundup Ready Soybean (D) AquaAdvantage Salmon 30. . Primary aim of “genetic stacking” in GM crops: (A) Combine multiple beneficial traits into one plant (B) Increase seed cost (C) Reduce crop yield (D) Decrease plant resilience 31. . Common method to evaluate GM food safety: (A) Risk assessment (B) Sensory analysis (C) Flavor profiling (D) Colorimetric analysis 32. . GM crops resistant to certain insects: (A) Herbicide-resistant crops (B) Pest-resistant crops (C) Drought-resistant crops (D) Nutrient-enriched crops 33. . GM plants producing pharmaceutical proteins: (A) Ability to produce medicinal proteins (B) Enhanced flavor (C) Increased pest resistance (D) Faster growth rate 34. . Main concern about GM crops’ impact on non-target organisms: (A) Improved soil health (B) Potential harm to beneficial insects (C) Increased crop diversity (D) Enhanced plant growth 35. . Method to introduce genes into microorganisms for GM foods: (A) Gene gun (B) Agrobacterium-mediated transformation (C) Microinjection (D) Transformation by plasmid vectors 36. . Benefit of GM crops for drought resistance: (A) Increased yield in dry conditions (B) Reduced soil erosion (C) Enhanced nutritional content (D) Improved taste 37. . Method to test allergenicity of GM foods: (A) Sensory evaluation (B) Clinical trials (C) Microbial testing (D) Nutritional analysis 38. . GM crop producing a protein toxic to certain insects: (A) Roundup Ready Soybean (B) Golden Rice (C) Bt Cotton (D) Virus-resistant Potato 39. . “Genetic drift” in GM crops refers to: (A) Improvement via traditional breeding (B) Deliberate crossing with wild types (C) Unintended spread of GM traits to wild plants (D) Increase in yield due to genetic modification 40. . Concern related to GMOs in agriculture: (A) Increased biodiversity (B) Enhanced soil fertility (C) Development of resistant pests (D) Increased crop rotation 41. . Advantage of GM crops in pest management: (A) Higher production cost (B) Increased need for fertilizers (C) Reduction in chemical pesticides (D) Longer growing season 42. . GM crop engineered for nutrient enhancement: (A) Functional foods (B) Nutritionally enhanced crops (C) Pest-resistant crops (D) Herbicide-tolerant crops 43. . Main goal of “gene silencing” in GM crops: (A) Increase gene expression (B) Deactivate unwanted genes (C) Enhance plant growth (D) Produce more seeds 44. . GM crop modified for increased shelf life: (A) Bt Corn (B) Roundup Ready Soybean (C) Golden Rice (D) Flavr Savr Tomato 45. . “Gene therapy” in genetic modification context: (A) Modify genes in microorganisms for industry (B) Alter genes to improve crop yield (C) Introduce new genes to cure human diseases (D) Develop plants with enhanced nutrition 46. . GM crop engineered to enhance soil health: (A) Nitrogen-fixing crops (B) Pest-resistant crops (C) Herbicide-tolerant crops (D) Nutrient-enriched crops 47. . Role of molecular markers in GM crop development: (A) Increase growth rate (B) Enhance plant taste (C) Measure nutrient levels (D) Identify genes associated with desirable traits 48. . Primary concern of GMOs in developing countries: (A) Increased subsidies (B) Lack of agricultural expertise (C) Improved food security (D) Enhanced market access 49. . Common feature of GM foods on the market: (A) Improved taste (B) Enhanced nutritional value (C) Higher price (D) Increased labeling requirements 50. . Ethical concerns in GM foods context: (A) Impact on environment and human health (B) Economic benefits (C) Increased productivity (D) Enhanced flavor