True density of most mineral soils is usually
A. 1.35 g/cm3
B. 1.65 g/cm3
C. 2.65 g/cm3
D. 3.5 g/cm3
Answer: Option C
A. 1.35 g/cm3
B. 1.65 g/cm3
C. 2.65 g/cm3
D. 3.5 g/cm3
Answer: Option C
Downy Mildew of Bajra caused by
A. C. fusiformis
B. S. graminicola (Sclerospora)
C. T. penicillica
D. All of the above
The criteria of essentiality of nutrients in plants was given by
A. D. J. Nicholas
B. Arnon and Stout
C. J. S. Kanwar
D. M. S. Swaminathan
A. Manganese
B. Boron
C. Zinc
D. Iron
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