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Suppose the drift velocity $v_d$ in a material varied with the applied electric field $E$ as ${v_d} \propto \sqrt E $. Then $V -I$ graph for a wire made of such a material is best given by
| Column $I$ | Column $II$ |
| $(a)$ $XX$-$XO$ method of sex determination | $(i)$ Turner's syndrome |
| $(b)$ $XX$-$XY$ method of sex determination | $(ii)$ Female heterogametic |
| $(c)$ Karyotype-$45$ | $(iii)$ Grasshopper |
| $(d)$ $ZW$-$ZZ$ method of sex determination | $(iv)$ Female homogametic |
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