Botanical name of India cotton
A. Gossypium campestris
B. Gossypium arborium
C. Gossypium hirsutam
D. Gossypium barbadence
Answer: Option B
A. Gossypium campestris
B. Gossypium arborium
C. Gossypium hirsutam
D. Gossypium barbadence
Answer: Option B
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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