Salts in the xylem ducts of the root are carried upward with
A. Photosynthesis
B. Transpiration stream
C. Respiration
D. Guttation
Answer: Option B
A. Photosynthesis
B. Transpiration stream
C. Respiration
D. Guttation
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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