The river sone receives wastes from:

Related Mcqs:

1. Ecosystem receives nitrogen from outside through:

   A. Biological nitrogen fixation
   B. Electrification of nitrogen
   C. Industries
   D. All the above

2. Whole of the country, outside the main Himalayan Range, receives a low variable rainfall from 50 mm in western parts of Boluchistan highlands to about 1500 mm in the _____

   A. Himalayan region
   B. Hindu Kush region
   C. Karakoram region
   D. None of these

3. In a river, if its BOD is high, then:

   A. River is polluted
   B. River is not polluted
   C. River is day
   D. None of these

4. The river Periyar gets pollution mainly from:

   A. Tanneries
   B. Paper factories
   C. Chemical factories
   D. Sugar mills

5. When excess of sewage is dumped in the river, its BOD:

   A. Increases
   B. Slightly decreases
   C. Remains unchanged
   D. Decreases drastically

6. The nature of the soil carried by river is:

   A. Sandy
   B. Clayey
   C. Laterite
   D. Alluvial

7. Tarbela dam on river:

   A. Jhelum
   B. Chenab
   C. Indus
   D. Ravi

8. Mangla dam on river:

   A. Jhelum
   B. Chenab
   C. Indus
   D. Ravi

9. The importance of watershed management was realized when Pakistan signed Indus Water Treaty with India through which right of water of ______ was given to India while Pakistan has the right on river Indus and Jhelum:

   A. Chenab
   B. Ravi
   C. Sutlij
   D. All of the above

10. A watershed may be just be small depression of the land or it may comprise whole sub-continents as for the large river basins of the earth:

    A. Wolga
    B. Indus
    C. Ganges
    D. Amazonas
    E. All of the above