The popular variety Ganga Safed-2 of maize is a
A. Single cross hybrid
B. Double cross hybrid
C. 3-waycross hybrid
D. Double top cross hybrid
Answer: Option D
A. Single cross hybrid
B. Double cross hybrid
C. 3-waycross hybrid
D. Double top cross hybrid
Answer: Option D
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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