Where is the National Botanical Research Institute $(NBRI)$ situated?

Statement $S$: The Museum of Natural History is located in England.
Reason $R$: The Herbarium of Forest Research is located in Kolkata.
$(a)$ Both $S$ and $R$ are true,$R$ 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.
$(d)$ Both $S$ and $R$ are false.

Which system of classification is used by most of the world's well-known herbaria?

What is the full form of $IABG$?

Which of the following is $NOT$ associated with a zoological park?

Which step is performed after drying of plant specimens in a herbarium?