Which step is performed first for the collection of plant specimens in herbaria?

How are insects preserved in an insect museum?

Statement $S$: Rani Jijamata Udyan is located in Mumbai.
Reason $R$: Himalayan Zoological Park is located in Gangtok.
$(a)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.

Match the following columns and select the correct option:

Column-$I$	Column-$II$
$A$. Herbarium of Forest Research Institute	$i$. Britain
$B$. Lloyd Botanical Garden	$ii$. Gandhinagar
$C$. Indroda Park	$iii$. Dehradun
$D$. Royal Botanical Garden	$iv$. West Bengal

Seed banks and gene banks are developed in .......... .

What is poisoning in the context of herbarium techniques?