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Difficulty: MediumIdentification of Main Idea and Supporting Details

Read the passage below and answer the question that follows.

Community seed banks across West Africa are increasingly recognized not merely as emergency reserves during droughts, but as essential pillars for preserving agricultural biodiversity and rural resilience. As commercial high-yielding crop varieties dominate local markets, traditional crops—uniquely adapted to microclimates and regional pest pressures—face rapid genetic erosion. While critics often argue that local seed vaults lack the standardized refrigeration infrastructure of modern gene banks, decentralized community management ensures that farmers retain direct access to climate-resilient crop strains tailored to erratic rainfall patterns. Furthermore, these localized repositories foster collaborative knowledge-sharing among indigenous farming groups, thereby safeguarding agrarian heritage against industrial homogenization. Consequently, strengthening community-led seed conservation offers a crucial safeguard for long-term food sovereignty in the region.

Which of the following statements best expresses the main idea of the passage?

  1. A
    Community seed banks provide vital emergency food relief to rural populations during severe drought periods.
  2. Strengthening community-led seed banks is essential for preserving agricultural biodiversity and securing regional food sovereignty.Answer
  3. C
    Local seed banks are ineffective because they lack the modern refrigeration infrastructure required to store seeds safely.
  4. D
    Commercial high-yielding crop varieties have completely replaced traditional seeds throughout West Africa.

Answer

Strengthening community-led seed banks is essential for preserving agricultural biodiversity and securing regional food sovereignty.
The correct answer accurately captures the core argument of the passage: that community seed banks play an indispensable role in safeguarding agricultural biodiversity, protecting traditional crop strains, and maintaining long-term food sovereignty in West Africa.

Step-by-Step Solution

1
Analyze the text structure and overarching thesis statement.
The opening sentence and final conclusion both emphasize that community seed banks serve a larger purpose beyond emergency drought relief: securing biodiversity and food sovereignty.
Identifying the topic sentence and concluding synthesis helps distinguish the central thesis from auxiliary details.
2
Evaluate supporting details and opposing viewpoints.
Mentions of drought reserves, infrastructure criticisms, and commercial market dominance serve as supporting evidence and concessions rather than the main focus.
Distinguishing supporting arguments from the primary thesis prevents selecting overly narrow options.
3
Select the option that encapsulates the full scope of the passage.
The statement emphasizing the necessity of community-led seed conservation for biodiversity and food sovereignty encompasses the complete argument of the passage.
The correct main idea option must represent the central focus without being too narrow or overgeneralized.

Key Concept

Identifying the Main Idea in Comprehension Passages
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Topics

Identification of Main Idea and Supporting Details

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