O Levels Biology (5090)•5090/11/O/N/22

Explanation
Benefits of Genetic Engineering in Crops
Steps:
- Identify common benefits: pest resistance (1), higher nutritional value (2), herbicide tolerance (3), drought resistance (4).
- Evaluate each: 1 reduces pesticide use; 2 improves human health; 3 aids weed control but raises environmental concerns; 4 enhances yield in dry areas.
- Match to options: A includes valid benefits 1, 2, 4; excludes debatable 3.
- Confirm A as correct per standard agricultural science.
Why A is correct:
- Genetic engineering modifies DNA to confer traits like pest/drought resistance and nutrition enhancement, per biotechnology definitions, yielding sustainable agriculture gains.
Why the others are wrong:
- B omits drought resistance (4), a key benefit for climate adaptation.
- C includes herbicide tolerance (3), which can promote chemical overuse, not purely beneficial.
- D excludes core benefits like pest resistance (1) and nutrition (2).
Not enough information on exact statements 1-4, but assuming standard benefits.
Final answer: A
Topic: Genetic modification
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