Match the columns :
Column - $I$
Column - $II$
$(a)$ Mycrrohiza
$(1)$ Rhizobium
$(b)$ Bt
$(2)$ Nucleopolyhydro virus
$(c)$ Root nodules
$(3)$ Phosphorus
$(d)$ Baculo virus
$(4)$ Bt -Cotton
Match the columns :
| Column - $I$ | Column - $II$ |
| $(a)$ Mycrrohiza | $(1)$ Rhizobium |
| $(b)$ Bt | $(2)$ Nucleopolyhydro virus |
| $(c)$ Root nodules | $(3)$ Phosphorus |
| $(d)$ Baculo virus | $(4)$ Bt -Cotton |
$(a - 3), (b - 4), (c - 1), (d - 2)$
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