Question

Select the correct sequence w.r.t. Steps involved in herbarium technique.
(a) Poisoning
(b) Collection
(c) Drying
(d) Stitching
(e) Mounting
(f) Labeling
(g) Deposition

Answer 1

Hint: It is the technique for the collection of various plant species on a paper for the purpose of scientific studies. The herbarium sheets are of a standard size where the specimens are mounted.

Complete answer:
A herbarium is a collection of preserved plant specimens that are dried and labeled. The plant species that are collected are first dried, pressed, mounted, and then labeled on the herbarium sheets. These herbarium sheets are made of standard size which must be specific. Thus, the herbarium sheets present all over the world must be of equal sizes. The herbarium sheet must be 29×41.5cm. The steps involved in the herbarium technique are as follows:
-Collecting various specimens from different areas.
-Drying the particular specimen by placing them in between the various folds of newspapers or by iron drying them.
-By dipping the specimens in mercuric chloride poisoning is done.
-With the help of a cellotape or glue, mounting the dried specimens on the herbarium sheets.
-Stitching certain parts of a specimen like stems so that they remain attached to their position on the sheet.
-To keep them for a longer time, preservations must be sprayed.
-All the specimens must be labeled at the bottom corner of the left side for identification. The name, date of collection, area of collection, habit, etc must be written.
-Lastly, deposition is done where the herbarium sheets are covered and packed under the herbarium covers.
-These herbarium sheets are stored in the cupboards named under their

-So, the correct sequence is Collection, Drying, Poisoning, Mounting, Stitching, Labeling, and Deposition.

Note:
Like herbarium, there are various other terms that are used for the collection of different species. The collection of fungi in mycology is termed as Fungarium, the collection of wood is called Xylarium, the collection of plant materials related to food is called hortorium.