Which factor most reduces effective water availability?

Pak Study / Rivers, Canals, Lakes — Multiple-choice practice

پانی کی مؤثر دستیابی کو سب سے زیادہ کون سی چیز کم کرتی ہے؟

  1. A. None of these
  2. B. Rainfall increase
  3. C. Dam construction
  4. D. Water losses in canals

Correct answer

Water losses in canals

Explanation

Explanation • Water losses in canals (through seepage, evaporation, and leakage) significantly reduce effective water availability . • A large portion of irrigation water is lost before reaching the fields. • Poor maintenance of canal systems increases water wastage. Last verified on 09-05-2026

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