कौन सा सूक्ष्म - जीव नाइट्र� – McqOptions

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1.	कौन सा सूक्ष्म - जीव नाइट्रोजन चक्र में एक महत्वपूर्ण भूमिका निभाता है?
A.	वाइरस
B.	जीवाणु
C.	लाल शैवाल
D.	प्रोटोजोआ
Answer» C. लाल शैवाल

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