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. Chromatography is used to separate _________ ?

   A. Solution B. Mixtures C. Molecules D. Atoms Submitted by: Rashid Mehmood...

10. The valency of Carbon is _________?

    A. 2(Divalent) B. 3(Trivalent) C. 4(Tetravalent) D. 1(univalent) Submitted by: Aamir khan Hullio...