Which of the following is a sticker?
A. Fish oil
B. Linseed oil
C. Gum arabic
D. All of these
Answer: Option D
A. Fish oil
B. Linseed oil
C. Gum arabic
D. All of these
Answer: Option D
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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