Agriculture MCQs

2794 MCQs  (Page 250 of 280)

Who will decompose organic matter first:
A. Actinomycetes
B. Bacteria
C. Basidiomycetes
D. Fungi imperfecti
Composition of igneous rock is determined by___________?
A. Depth of molten magma
B. Composition of molten magma
C. Both a and b
D. Composition can not be determined.
Rhizoplane is________?
A. An area of soil from root surface to 5 cm
B. Root surface
C. Area within the roots
D. All of them
Soil Organic Matter (SOM) serves not only as a reservoir of all the required plant nutrients, but it:
A. Provides energy for the microbial
B. Maintains the productivity of soil
C. Gives structure to the soil
D. All of these