Top cross is produced by crossing a single cross (A × B) with an
A. Open pollinated variety
B. Self pollinated variety
C. Hybrid variety
D. None of these
Answer: Option A
A. Open pollinated variety
B. Self pollinated variety
C. Hybrid variety
D. None of these
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
Join The Discussion