MCQ
Perisprem is
- ✓Remnents of nucellus
- BRemnents of embryo
- CRemnents of endosperm
- DNone of these
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$I.$ Organs which are different in basic structure and origin but performs similar functions are called analogous organ
$II.$ Organs with different to basic structure and origin but perform similar functions are called homologous organs
$III.$ Homologous organs lead to convergent evolution
$IV.$ Analogous organ leads to divergent evolution
The correct combination is
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.