Which of the following is a component of nucleic acid and protein:
Which of the following is a component of nucleic acid and protein:
A. Ca
B. Mg
C. N
D. None of the above
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Which of the following techniques is/are used for the soil fertility evaluation?
Which of the following techniques is/are used for the soil fertility evaluation?A. Soil testing
B. Plant tissue testing
C. Aspergillus niger test
D. All of theseThe practice of managing rows of closely planted woody plants with annual crops planted in alleys in between hedges is called as:________?
The practice of managing rows of closely planted woody plants with annual crops planted in alleys in between hedges is called as:________?A. Soil conservation hedges
B. Woody Hedgerows
C. Hedgerows intercropg
D. All of theseThe availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:
The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:A. Physical
B. chemical
C. Biological
D. both A & BGold is___________________?
Gold is___________________?A. Native element
B. Secondary element
C. Primary element
D. Heavy metalSpecific heat of organic matter is______?
Specific heat of organic matter is______?A. 0.22
B. 0.33
C. 0.44
D. None of theseRhizoplane is________?
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