Most abundant organic compound in nature?

Related Mcqs:

1. The indicator used for the the estimation of the organic matter or organic carbon is;_________?

   A. Mixed indicator B. Diphenylamine indicator  C. Both a and b D. None of the above Submitted by: Shafiq Rehman...

2. Soils that have more than 20% organic matter are termed as organic soils. These are also called:________?

   A. Peat soil B. solonchalk soil C. Muck soil D. Both a and c Submitted by: Shafiq Rehman...

3. Walkley and blacks method of organic matter determination allows recovery of ______ ℅ organic carbon content:

   A. 44 ℅ B. 45 ℅ C. 33℅ D. None of the above Submitted by: Shafiq Rehman...

4. Walkley and Blacks method of organic matter determination allows recovery of _____% organic carbon content:

   A. 74 % B. 54 % C. 62.5 % D. 34% Submitted by: Shafiq Rehman...

5. Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:

   A. 72 % B. 58% C. 62 % D. Al of the above Submitted by: Shafiq Rehman...

6. Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter:

   A. High temperature B. Alkaline C. Both a & b D. None of a & b Submitted by: Shafiq Rehman...

7. A controlled oxidation process by which all organisms ultimately obtain the energy stored in organic compound is known as_______________?

   A. Oxidation B. Transportation C. Respiration D. Both a & b...

8. Most abundant mineral in the earth crust is______________________?

   A. N-Feldspar B. Feldspar C. S-Feldspar D. Amplubole...

9. Which silica mineral is present in soil in abundant quantity____________________?

   A. Quartz B. Smectite C. Gypsum D. All the above...

10. The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?

    A. Mo B. Al C. Fe D. All the above...