First irrigation commission in India was appointed during
A. 1901
B. 1950
C. 1951
D. 1980
Answer: Option A
A. 1901
B. 1950
C. 1951
D. 1980
Answer: Option A
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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