Soil pollution is caused by:_________?

Related Mcqs:

1. Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?

   A. Nitrates
   B. Fluorides
   C. Arsenic
   D. Mercury

   Submitted by: Abid Hussain

2. Which one of the following gives the measure of Organic pollution in water?

   A. COD
   B. DO
   C. PH
   D. Salinity

   Submitted by: Said wali shah

3. Which discovery caused a revision in the periodic law as stated by Mendeleev ?

   A. Location of nucleus by Rutherford
   B. Atomic number by Moseley
   C. X-rays by Roentgen
   D. Natural radioactivity by Henry Bacquerel.

4. The irritation caused by red ants bite is due to____________________?

   A. Lactic acid
   B. Formic acid
   C. Uric acid
   D. Acetic acid

5. The fertility of the soil is improved by________________?

   A. Rotation of the crops
   B. Adding lime to the acid salts
   C. Adding manure and growing legumes
   D. All

6. Addition of urea to the soil is ____________ reaction?

   A. endothermic
   B. exothermic
   C. both a and b
   D. no heat energy is involved

7. Gypsum is applied to the soil as a source of________________?

   A. Ca and P
   B. S and P
   C. Ca and S
   D. we could not apply

8. Boron in soil has been considered micronutrient for_________________?

   A. Soil porocity
   B. Proper growth of plants
   C. Alkalinity of soil
   D. All

9. Coal gas is made up of mostly ________ & _________?

   A. Hydrogen & Water
   B. Hydrogen & Carbon dioxide
   C. Hydrogen & Methane
   D. Carbonmonoxdide & water

   Submitted by: Aamir khan Hullio

10. The best indicator for titrating HCl with NH4OH is: _________?

    A. methyl Orange
    B. litmus
    C. phenol red   
    D. phenopthalein

    Submitted by: Said wali shah