Digital PSAT Reading and Writing Practice Question 217: Answer and Explanation
Question: 217
Ecologically, organic farming is designed to promote and enhance biodiversity, so it must combine scientific knowledge and technologies to stimulate naturally occurring biological processes. For instance, organic farming uses pyrethrin, a natural pesticide found in the chrysanthemum flower, to deter pests, and potassium bicarbonate to control disease and suppress unruly weeds. Furthermore, where conventional farming focuses on mass production of each individual crop, organic farming encourages polyculture, or multiple crops being raised in the same space.
Based on the passage, when compared to a non-organic farm field, an organic farm field will most likely be more
- A. productive.
- B. diverse.
- C. mature.
- D. centralized.
Correct Answer: B
Explanation:
(B) According to the author, organic farming "encourages polyculture," so it produces more diversity. The text states that conventional farming is more productive and centralized. There is no evidence for (C) either way.
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