MCQ
The growth of population is determined by
- ABiotic potential only
- BEnvironmental resistance only
- CEmigration only
- ✓$(a)$ and $(b)$ both
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Reason : The $Bt$ gene is derived from a bacterium.

$I$. Tubectomy $II$. Vasectomy
$III$. Implants $IV$. Condoms
$V$. Copper$-T$