1.

The most thoroughly studied of the known bacteria plant interactions is the                                                [CBSE PMT 2004]

A. Nodulation of Sebania stems by nitrogen fixing bacteria
B. Plant growth stimulation by phosphate-solubilisig bacteria
C. Cyanobacterial symbiosis with some aquatic ferms                           
D. Gall formation on certain angiopserms by Agrobacterium
Answer» E.


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