Question

Difficulty: HardIdentification of Main Idea and Supporting Details

Read the passage below carefully:

For generations, the women of Okposi Okwu in Ebonyi State, Nigeria, have extracted salt from the local brine lake using an ancient solar-evaporation and thermal-reduction technique. While modern industrial refining relies on chemical additives and heavy machinery, the Okposi process depends on natural filtration through anthill soil, followed by boiling in clay pots. Recent micro-economic studies reveal that this traditional salt-making enterprise provides crucial financial autonomy for rural women, enabling them to fund household education and health needs independently of patriarchal agrarian income. However, the encroaching availability of cheap, imported iodized salt poses a grave existential threat to this indigenous industry. Critics argue that the unrefined local salt lacks added iodine, raising public health concerns about goiter prevention. Nevertheless, advocates emphasize that preserving Okposi salt production is essential not merely as an economic survival strategy, but as a vital safeguard of Igbo tangible cultural heritage and female socio-economic empowerment.

What is the central thesis of the passage regarding the Okposi salt-making industry?

  1. The Okposi traditional salt industry represents an essential pillar of cultural heritage and female economic autonomy that warrants preservation despite health and market pressures.Answer
  2. B
    The Okposi salt extraction process relies primarily on natural filtration through anthill soil and clay pot thermal reduction rather than industrial machinery.
  3. C
    Imported iodized salt should be banned in rural Ebonyi State to safeguard the health and financial independence of indigenous salt producers.
  4. D
    Patriarchal agrarian income has historically served as the primary funding source for female education and healthcare in Okposi Okwu.

Answer

The central thesis of the passage is that the Okposi traditional salt industry represents an essential pillar of cultural heritage and female economic autonomy that warrants preservation despite health and market pressures.
The correct answer captures the overall thesis of the passage by synthesizing both the socio-economic benefits (female financial autonomy) and cultural value (Igbo heritage) of preserving the Okposi salt industry in the face of modern health criticisms and market threats.

Step-by-Step Solution

1
Analyze the text structure to separate background details from the main thesis.
Identified background information on the traditional extraction method (soil filtration, clay pot boiling) and contrast with industrial methods.
Technical descriptions serve as supporting contextual details rather than the primary point of the passage.
2
Identify the core conflict and the author's overall stance.
The text contrasts threats (cheap imported iodized salt, goiter concerns) with the core value of the industry (female financial autonomy, Igbo cultural heritage).
The conclusion and key synthesis establish that despite challenges, preservation is essential for female empowerment and cultural heritage.
3
Evaluate the choices against the identified thesis.
The statement summarizing the necessity of preserving the industry for cultural and socio-economic reasons captures the complete argument of the passage.
Distractors either focus on minor technical details, make unstated assumptions, or misrepresent stated facts.

Key Concept

Distinguishing the central thesis from supporting details and counter-arguments in comprehension passages
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