Examkin

Soru

Zorluk: ZorInferential Comprehension and Deduction

Read the passage below carefully and answer the question that follows:

For centuries, communities in the dry pastoral belt of Northern Nigeria relied on traditional earthwork reservoirs to capture seasonal rainfall during the brief, intense monsoon. However, as rainfall patterns became increasingly erratic and siltation filled the unlined structures, many rural settlements abandoned these communal works in favor of mechanized deep boreholes funded by external aid agencies. While boreholes initially provided immediate relief, they gradually lowered the localized water table and concentrated livestock grazing around extraction points, accelerating land degradation. Recently, a hybrid ecological initiative reintroduced deep earthwork reservoirs, but integrated subterranean geo-textile liners and native deep-rooting vegetation along the embankment margins. This innovation not only reduced water percolation loss by sixty percent compared to ancient earthen basins but also recharged the surrounding shallow aquifers through controlled lateral seepage. Consequently, pastoral communities have begun migrating away from over-stressed borehole sites back to their ancestral grazing corridors, restoring seasonal soil recovery cycles.

Based on the passage, what can be inferred about the long-term ecological impact of mechanized deep boreholes in the region?

  1. They unintentionally compromised local environmental sustainability by altering groundwater levels and grazing patterns.Cevap
  2. B
    They failed completely from inception because pastoral communities lacked the technical capacity to maintain the machinery.
  3. C
    They increased subterranean water percolation loss by sixty percent compared to traditional unlined earthen basins.
  4. D
    They provided immediate relief to rural settlements during periods of erratic monsoon rainfall.

Cevap

Mechanized deep boreholes unintentionally compromised local environmental sustainability by altering groundwater levels and grazing patterns.
The passage notes that while boreholes initially brought relief, their sustained use lowered localized water tables and concentrated livestock grazing, accelerating land degradation. Deductively, this demonstrates that boreholes had an unintended negative long-term impact on environmental sustainability.

Adım Adım Çözüm

1
Analyze the passage for references to mechanized deep boreholes and their consequences.
Identified that boreholes initially offered relief but subsequently lowered water tables, concentrated grazing, and accelerated land degradation.
Understanding both short-term benefits and long-term consequences is necessary to synthesize the implicit overall impact.
2
Deduce the overarching ecological synthesis from these combined facts.
Because lower water tables and overgrazing lead to land degradation, the long-term effect was negative environmental disruption despite initial positive intentions.
Inferential comprehension requires logical deduction beyond explicitly stated facts.
3
Evaluate the options against the derived deduction.
The option describing unintentional environmental compromise directly reflects the synthesized evidence.
Eliminate options that misattribute details, over-extrapolate, or focus on minor short-term facts.

Anahtar Kavram

Inferential Deduction from Implicit Cause-and-Effect Relationships
Bu soruyu puanla

Konular

Inferential Comprehension and Deduction

Bu konudan daha fazla soru