The total volume of water on melting of ice
A. Increases
B. Remains constant
C. Decreases
D. None of these
Answer: Option C
A. Increases
B. Remains constant
C. Decreases
D. None of these
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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