MCQ
Age of gymnosperm is
- ACenozoic era
- ✓Mesozoic era
- CPalaeozoic era
- DProterozoic era
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| Column $I$ | Column $II$ |
| $A$. Recombinant $DNA$ | $1$. Sea weeds |
| $B$. Gel electrophoresis | $2$. DNA staining |
| $C$. Ethidium bromide | $3$. Plasmid DNA that hasincorporated human DNA |
| $D$. Agarose | $4$. Process by which DNA fragments are separated based on their size |