Museums are "collection of dead preserved plants and animals for study and reference".
(a) It helps in gathering the first hand information about the habitat, soil and organisms of the area.
(b) The museum is prepared for preserving plants like algae, fungi, mosses, and ferns, parts of gymnosperms as they cannot be kept in the herbaria.
(c) Animals are preserved in the museums also. The specimens are fixed in chemical solution. They are preserved for longer duration. The specimens are identified and labelled. They are stored and a catalogue is prepared for future reference. Its objective is to record information and preserve specimens for taxonomic studies.
(d) Animals like snakes, fishes, mollusca, insects and others are preserved in museums. Indian museum was established by Asiatic Society of Bengal in 1784.