MCQ
Birds are evolved from
- ANon-chordates
- ✓Reptiles
- CAmphibians
- DFishes
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Reason : Cancer is caused by damage to genes regulating the cell division cycle.
$I$. To study the normal physiology and development
$II$. To study diseases
$III$. To obtain useful biological products
$IV$. To test the vaccine safety
$V$. To test the chemical safety
Which of the above statements are correct?