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Question : Consider the following four statements (a-d) and select the correct option : (a) Frankia is a example of filamentous bacteria. (b) Rhodospirillum is a example of purple sulphur bacteria. (c) Acetobacter aceti is a example of facultative anaerbic. (d) Nitrosomonas and Nitrobacter are example of nitrogen fixing bacteria.

Answer»

STATEMENTS B, C and d
Statements a, b and c
Statements c and d
Statements a and c

Answer :D


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