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Question : Select correct statements for algae. (i) They have thalloid body with adventitious roots. (ii) Form and size is highly variable. (iii) At least a half of the total CO_(2) fixation on earth is carried out by these organisms. (iv) Green algae and brown algae produce large amounts of hydrocolloids .

Answer»

I & III
I,II & III
II, III & IV
II & III

Answer :D


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