The phosphorus content as P is plough layer of one hectare of soil containing 0.1% P2O5 is
A. 430 kg
B. 860 kg
C. 1290 kg
D. 1500 kg
Answer: Option B
A. 430 kg
B. 860 kg
C. 1290 kg
D. 1500 kg
Answer: Option B
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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