Agriculture MCQs

2794 MCQs  (Page 238 of 280)

Micas have isomorphous substitution:____________?
A. Predominantly in tetrahedral layer
B. Predominantly in octahedral layer
C. Both a & b
D. The statement is wrong
Sulphur is an essential component of:__________?
A. Cystine
B. Cystein
C. Methionine
D. All of these
C:N ratio of microorganism:
A. 4:1-8:1
B. 10:1-15:1
C. 15:1-20:1
D. N0ne of the above
Which of the following are secondary minerals:
A. Clay minerals
B. Amorphous silicates
C. Iron and aluminiumoxides
D. All of the above