What is attached to the left side of a herbarium sheet?

In which year was the International Code of Botanical Nomenclature $(ICBN)$ first proposed?

Which of the following is associated with a zoological park?

Which of the following pairs is incorrect?

Where is the largest botanical garden of India located?

Study the following statements and select the correct description of a botanical garden.
$(i)$ Plant species are grown for identification purposes.
$(ii)$ Labeling of each plant consists of its botanical name/scientific name and its family.
$(iii)$ Specimens are preserved in jars and containers.
$(iv)$ It is a type of storehouse which contains dried,pressed,and preserved plant specimens on sheets.