Question
[107]. Passage: Greening a desert by planting trees sounds hopeful, but indiscriminate planting can harm fragile dryland ecology. Native grasses and shrubs, adapted to scarce rain, stabilise soil without draining scarce groundwater, while thirsty exotic trees may lower water tables and crowd out local species. Successful restoration therefore studies rainfall, soil and grazing pressure, protects natural regeneration, and plants only where water budgets allow. Green cover is a means to resilient livelihoods, not an end measured merely by counting saplings in a photograph. According to the passage, which statement is true?
Option 4 : Thirsty exotic trees may lower water tables and crowd out local species in drylands.
Detailed Solution
सही उत्तर Thirsty exotic trees may lower water tables and crowd out local species in drylands. है।
This detail is stated in the passage; the distractors reverse or dismiss it.
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prepsnap.in • Mock TestQuestion:
[107]. Passage: Greening a desert by planting trees sounds hopeful, but indiscriminate planting can harm fragile dryland ecology. Native grasses and shrubs, adapted to scarce rain, stabilise soil without draining scarce groundwater, while thirsty exotic trees may lower water tables and crowd out local species. Successful restoration therefore studies rainfall, soil and grazing pressure, protects natural regeneration, and plants only where water budgets allow. Green cover is a means to resilient livelihoods, not an end measured merely by counting saplings in a photograph. According to the passage, which statement is true?
Correct Answer: Thirsty exotic trees may lower water tables and crowd out local species in drylands.
This detail is stated in the passage; the distractors reverse or dismiss it.