Which of the following papers is used for drying plant specimens?

Regional floras are prepared with the help of reference works of which scientists?

Which process is performed to protect plant specimens from fungi,insects,and moisture?

Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?

Which of the following is $NOT$ a characteristic or component of a herbarium?

The first edition of $ICBN$ was published in ..........