MCQ
Identify $'a'$ in given figure :


- AEpidermis
- BMegaspore tetrads
- ✓Endothesium
- DSporogenous tissue

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$I$. Decline in death rate
$II$. Rapid increase in $MMR$ and $IMR$
$III$. Rapid decline in $MMR$ and $IMR$
$IV$. Increase in the number of people, in the reproductive age group
$V$. Rapid increase in the death rate
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.