Question

microorganisms living in the roots of peas, grams, and so on, can convert nitrogen of the air nitrates.these are (a) bacteria (b) protozoans (c) diatoms (d) viruses​

Answer 1

those are Bacteria

Hope it will help u

Answer 2

Answer:

(a) Rizobium bacteria

Explanation:

Found in leguminous plants like peas ,gram etc and convert nitrogen into nitrate and nitrite as we know plants can't take nitrogen directly.