The herbicides containmg carbon and hydrogen in their molecule are called
A. Arsenic
B. Acid
C. Organic herbicide
D. Salt
Answer: Option C
A. Arsenic
B. Acid
C. Organic herbicide
D. Salt
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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