The discovery of first defence activator compound CGA 245704 is an innovative approach against disease control in which crop(s)?
A. Cereals
B. Tobacco
C. Garden Pea
D. Both A and B
Answer: Option A
A. Cereals
B. Tobacco
C. Garden Pea
D. Both A and B
Answer: Option A
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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