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Environmental Issues — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues3 Marks
Question
Explain two ways of 'improper resource utilization' that can cause degradation of natural resources.
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Answer

  1. Soil erosion is caused by over-cultivation, unrestricted grazing, poor irrigation practices and deforestation
  2. Irrigation without proper drainage of water leads to waterlogging in the soil.
  • Waterlogging draws salts to the surface of the soil which are deposited as a thin crust on the surface or collect at the roots of plants, this affects crop growth severely.

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