Processes involved in nitrogen cycle — task. Science State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the correct answer:

(Note : More than one answer can also be correct)

1. Which of the following is true about rhizobium?

It forms symbiotic relationship with the plant roots
It fixes nitrogen in the root nodules
It is a nitrogen fixing bacteria
It fixes nitrogen in the form of nitrates

2. Example of symbiotic bacteria that fixes nitrogen includes __________.

frankia
rhizobium
azotobacter
pseudomonas

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