Which of the following is a component of nucleic acid and protein:

Related Mcqs:

1. Sulphur is an essential component of:__________?

   A. Cystine
   B. Cystein
   C. Methionine
   D. All of these

   Submitted by: Shafiq Rehman

2. The mineral component of soil consists of_________?

   A. Air
   B. Water
   C. both A and B
   D. none of the above

   Submitted by: Shafiq Rehman

3. An important component of total soil C is charcoal, also known as:__________?

   A. Black C
   B. Biochar
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

4. Acid soil contain pH____________________?

   A. <7
   B. >7
   C. >7.0
   D. 8.5

5. Acid soils of the world’s arable comprise up to_____________________?

   A. 40%
   B. 30%
   C. 58%
   D. 20%

6. Who gave the defination of humic acid ?

   A. Gapon
   B. Felbeek
   C. Neir
   D. Liekig

7. Humic acid is soluble in______________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. Distilled water

8. While diluting acid always add_____________________?

   A. Acid to water
   B. Water to acid
   C. Both a & b
   D. none

9. Humic acid is soluble in____________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. None of the above

10. Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________________, with high base saturation and low organic matter content (generally less than 1%)?

    A. Alkaline
    B. Very much acidic
    C. Calcareous
    D. both A & C

    Submitted by: Shafiq Rehman