BSEB Inter Exam Biology Most VVI Objective MCQ Question in English 10. MICROBES IN HUMAN WELFARE 1. Blue green algae and Rhizobium are present in root nodules of plants of which family ? (A) Apocynaceae (B) Asteraceae (C) Leguminosae (D) Poaceae Answer :- (C) 2. Which can perform the main role in Biological nitrogen fixation ? […]
