How many statements are correct for the given organism in figure? W. I. Filamentous cyanobacteri....
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How many statements are correct for the given
\( \mathrm{P} \)
organism in figure?
W.
I. Filamentous cyanobacteria as anoxygenic autotroph.
II. It has chlorophyll a similar to green plants.
III. Surrounded by mucilagenous sheath.
IV. The labelled structure 'A' is specialised cell for nitrogen fixation.
(1) Three
(2) Four
(3) Two
(4) One
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