Question

“Law of Priority “is applicable after the year?
a. 1720
b. 1753
c. 1853
d. 1845

Answer 1

Hint: As the name commences priority, the law of priority started earliest to form rules and regulations or the norms of conduct. It means the earliest applicable, properly published name and desirable name of genus, family and the species name.

Complete answer:
- The law of priority is the main principle of botanical and zoological nomenclature. It consists of all the rules and regulations to name the species in botany and zoology.
- It is first applicable from 1st May 1753.
- It is the first scientific name given to plants and animals. It is the proper validated and the correct name to be used for the whole taxon of plant and animal.
- It applies the same to botanical as well as to zoological nomenclature.
- It is a part of IUBN and IUZN.
- Law of priority means the earliest applicable name that is properly published will be the correct one and others will be synonymous to that name.

For example: When sub-genus has name AB and it is moved from subgenus AB to genus C its name will become CAB. This is the priority law.

Hence, the correct answer is option (B).

Additional information:
The Law of priority first published by Carl Linnaeus in his species plantarum to make it easy for everyone to name the species by a proper name without creating confusion, complementation and to name many species by a single name. It is the principle of recognizing the first valid application of a name to a plant or an animal.

Note: Different norms of conduct has been put by the Linnaeus to do a simpler classification basis on the class, division, species, taxon, sub division, family and genus. It is the law stating that a taxon formed by bringing together into a single taxon at one or more previously established as main tax within the family group, genus group that takes its name valid and that validity is determined by law of priority. Hence, the law applies to all nomenclature rules and taxonomy.