Solid Waste Pollution Past Year (2006 - 2015) MCQs Environmental Issues (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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The limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal wastewater into natural surface water is:

1. < 3.0 ppm

2. < 10 ppm

3. < 100 ppm

4. < 30 ppm

Subtopic: Solid Waste Pollution |

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