Soybean is introduced in India from USA in
A. 1905
B. 1947
C. 1960
D. 1970
Answer: Option C
A. 1905
B. 1947
C. 1960
D. 1970
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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