MCQ
Match following pair.

- A$x$ - human, $y$ - drosophila
- ✓$x$ -drosophila, $y$ - hen
- C$x$ - hen, $y$ - human
- D$x$ -drosophila, $y$ - human

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Select the correct combination for $A, B$ and $C$
$I.$ ethanol $II.$ bread $III.$ cheese
Choose the correct option