Napier grass (Pennisetum purpureum) was introduced to India in 1912 from
A. Zimbabwe
B. South Africa
C. Iraq
D. Tanzania
Answer: Option B
A. Zimbabwe
B. South Africa
C. Iraq
D. Tanzania
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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