Mcqs Submitted by Shafiq-ur-Rehman, Contributor at PakMcqs

Humus generally refers to the decomposed organic residues which have undergone a series of degradation and synthesis cycles. The humic substances consist of a series of highly acidic, yellow to black coloured, high molecular weight compounds __________________, which can be separated using different extraction procedures:

A. Hymatomelanic acid & Humin
B. Humic acid & Fulvic acid
C. both A & B
D. None of these

Submitted by: Shafiq Rehman

A. Ca
B. Mg
C. N
D. None of the above

Submitted by: Shafiq Rehman

A. An area of soil from root surface to 5 cm
B. Root surface
C. Area within the roots
D. All of them

Submitted by: Shafiq Rehman

A. Cetyle alcohol
B. Methyle alcohol
C. both A and B
D. None of these

Submitted by: Shafiq Rehman

A. Depth of molten magma
B. Composition of molten magma
C. Both A and B
D. Composition can not be determined.

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A. Actinomycetes
B. Bacteria
C. Basidiomycetes
D. Fungi imperfecti

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A. Gleization
B. Lessivage
C. Laterization
D. The correct option is not present above

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A. 74 %
B. 54 %
C. 62.5 %
D. 34%

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A. 110 ⁰C
B. 120 ⁰C
C. both A and B
D. 105 ⁰C

Submitted by: Shafiq Rehman

A. Top dressing
B. Broad casting
C. both A and B
D. Basal placement

Submitted by: Shafiq Rehman