MCQ
Primates originated about
- A$100$ million years ago
- ✓$65$ million years ago
- C$10$ million years ago
- D$30$ million years agow
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$(1)$ Radiography
$(2)$ $ELISA$
$(3)$ $CT-Scan$
$(4)$ $MRI$
$(5)$ $Widal$
$R$ : Biomass of fishes far exceeds that of phytoplanktons.