Question

Which one of the following is not a correct statement?
A. Herbarium houses dried, pressed and preserved plant specimens.
B. Botanical gardens have collections of living plants for reference.
C. A museum has a collection of photographs of plants and animals.
D. Key is a taxonomic aid for identification of specimens.

Answer 1

Hint:- The taxonomic studies of various plants, animals and other organisms are useful in areas like agriculture, forestry, industry and knowing our bio resources and their diversity. These studies need correct identification and classification of organisms.

Complete Answer:- Herbarium is described as a collection of well-dried and nicely preserved plants which are correctly identified and arranged according to an approved system of classification. The plants are usually pressed and mounted on the sheets of paper known as herbarium sheets. The plants which are not suitable for pressing and mounting like succulents, fruits and seeds of plants, cones etc. are either preserved in 2.5% formalin or FAA (Formaldehyde acetic alcohol) or dried and stored in large containers.
A botanical garden is a place that has an assemblage of living plants maintained for botanical teaching and research purposes. Earlier botanical gardens were started as physic gardens for the training of medical students and for the study of medicinal plants.
A museum is a place where preserved plants and animal specimens are collected for reference and study. The universities and educational institutes maintain their own museums in their botany and zoology departments. Plants that cannot be kept in herbaria are preserved in museums, e.g. algae, fungi, mosses, ferns, etc. Specimens are preserved in containers or jars containing preservative solutions. Plant and animal specimens may also be preserved as dry specimens. Insects are preserved in insect boxes and the larger animals are either stuffed or preserved in skeletal forms.
Keys represent the scheme for identification of plants and animals. Every taxonomic category like family, genus and species has a separate taxonomic key which is required for identification processes. Keys are generally analytical in nature.

So the statement in option 3. is incorrect.

Note:- All these techniques and procedures that store information, specimens or identification and classification of organisms are known as taxonomical aids. These aids simplify the taxonomic studies.