MCQ
In an ecosystem, the population of:
- ✓Primary producers is larger than primary consumers.
- BSecondary consumers is largest.
- CPrimary consumers out numbers primary producers.
- DPrimary consumers are least dependent upon primary producers.
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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 |
$I$. Increases phagocytes of sperms
$II$. Releases $C u^{2+i i}$ ions that suppresses the sperms motility and fertilizing capacity of sperms
$III$. Make the uterus unsuitable for implantations