MCQ
Fossil $X$ is older than fossil $Y$ if
- ✓$X$ was found deeper in sediment than $Y$
- B$Y$ was found deeper in sediment than $X$
- C$Y$ has less vestigial organs
- DFossil $Y$ had a homologous and analogousorgans of $X$
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| Column $- I$ | Column $- II$ |
| $(1)\; HIV$ | $(v)$ Oncogenic virus |
| $(2)$ Cancer | $(w)$ Micosporum Trichophyton |
| $(3)$ Allergens | $(x)$ Retrovirus |
| $(4)$ Ringworm | $(y)$ Colostrum |
| $(z)$ Serotonin |