1.

The Rhizobium bacteria present in the root nodules of pea plants can fix one of the following from the atmosphere. This one is : (a) hydrogen (b) oxygen (c) nitrogen (d) halogen

Answer»

The Rhizobium bacteria present in the root nodules of pea plants can fix one of the following from the atmosphere. This one is :

(a) hydrogen (b) oxygen (c) nitrogen (d) halogen



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