- A Color changes observed mainly in the harvested crop over time
- B Toxicity, allergenicity, nutritional changes, and environmental effects
- C Taste differences perceived mainly by trained consumer taste panels
- D Crop yield improvements measured mainly across several growing seasons
Correct answer: B. Toxicity, allergenicity, nutritional changes, and environmental effects
Explanation: GMO safety testing: evaluates potential toxicity, allergenicity, nutritional composition changes, and environmental impact (gene flow, non-target effects).
Concept context
GM crops, transgenic animals, gene therapy, molecular diagnostics, and bioethics. Frequent 2–3 mark questions in NEET.