Match the columns:
Column-$I$ Column-$II$ $(a)$ Mycorrhiza $(1)$ Rhizobium $(b)$ Bt $(2)$ Nucleopolyhedrovirus $(c)$ Root nodules $(3)$ Phosphorus $(d)$ Baculovirus $(4)$ Bt-Cotton
| Column-$I$ | Column-$II$ |
| $(a)$ Mycorrhiza | $(1)$ Rhizobium |
| $(b)$ Bt | $(2)$ Nucleopolyhedrovirus |
| $(c)$ Root nodules | $(3)$ Phosphorus |
| $(d)$ Baculovirus | $(4)$ Bt-Cotton |
$(A)$ The correct matches are as follows:
$(a)$ Mycorrhiza is a symbiotic association between fungi and roots of higher plants, which helps in the absorption of $(3)$ Phosphorus.
$(b)$ Bt refers to Bacillus thuringiensis, which is used to create $(4)$ Bt-Cotton.
$(c)$ Root nodules are the site of nitrogen fixation in leguminous plants, formed by $(1)$ Rhizobium.
$(d)$ Baculovirus are pathogens that attack insects and other arthropods, specifically the genus $(2)$ Nucleopolyhedrovirus.
Therefore, the correct sequence is $(a-3, b-4, c-1, d-2)$.
$(a)$ Mycorrhiza is a symbiotic association between fungi and roots of higher plants, which helps in the absorption of $(3)$ Phosphorus.
$(b)$ Bt refers to Bacillus thuringiensis, which is used to create $(4)$ Bt-Cotton.
$(c)$ Root nodules are the site of nitrogen fixation in leguminous plants, formed by $(1)$ Rhizobium.
$(d)$ Baculovirus are pathogens that attack insects and other arthropods, specifically the genus $(2)$ Nucleopolyhedrovirus.
Therefore, the correct sequence is $(a-3, b-4, c-1, d-2)$.
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