📚 Part of: Constitutional Knowledge And Medieval Indian History Mcqs

Which nomenclature system is employed naming plants.. [ Orissa 2007]

Category: Miscellaneous Indian Gk

Correct Answer: B) Binomial.

Exam Relevance: UPSC, NEET, JEE, GATE, SSC, State PSC

Difficulty: Moderate

Concept notes:

Binomial nomenclature is a system of naming species of living organisms in which each species is given a two-part name. The first part is the genus name, and the second part is the specific epithet. This system was developed by Carl Linnaeus and is used universally in the scientific community for naming plants and animals.

Common Mistakes:
  • Confusing binomial nomenclature with vernacular names, which are common names used in everyday language.
  • Misunderstanding the structure of binomial nomenclature, thinking it might be a single-word name (monomial) or a name with more than two parts (polynomial).
  • Believing that binomial nomenclature is only used for animals and not for plants.
Explanation:

The naming of plants and animals is a fundamental aspect of biological classification, which is the science of grouping living organisms into categories based on shared characteristics. The system used for naming species is called binomial nomenclature, which is a key concept in the field of taxonomy.

Binomial nomenclature was developed by Carl Linnaeus in the 18th century and is based on the principle that each species should have a unique and universally recognized name. This system uses two parts to name a species: the genus name and the specific epithet. The genus name is a broader category that groups together closely related species, while the specific epithet is a unique identifier for each species within the genus.

For example, the scientific name for the common oak tree is

<em>

Quercus robur

</em>

. Here,

<em>

Quercus

</em>

is the genus name, which includes all oak species, and

<em>

robur

</em>

is the specific epithet, which identifies this particular species of oak.

The use of binomial nomenclature ensures that each species has a unique name that is recognized by scientists worldwide, regardless of the language they speak. This system is essential for clear communication in scientific research and for maintaining consistency in the classification of living organisms.

In contrast, vernacular names are common names used in everyday language and can vary widely between different regions and cultures. For instance, the common name "oak" can refer to many different species of trees, which is why a more precise naming system is necessary in scientific contexts.

Monomial nomenclature, which would involve naming a species with a single word, and polynomial nomenclature, which would involve naming a species with more than two parts, are not used in scientific classification. The binomial system is preferred because it is concise and universally understood, making it the most effective system for naming species.

Understanding binomial nomenclature is crucial for students of biology, botany, zoology, and related fields, as it forms the basis for the scientific naming of all living organisms.

Option Analysis:
  • Option A: This option is incorrect. Vernacular names are common names used in everyday language and vary from region to region. They are not the standardized system used in scientific classification. For example, the common name "oak" can refer to many different species of trees, which is why a more precise naming system is necessary in scientific contexts.
  • Option B: This option is correct. Binomial nomenclature is the system used for naming plants and animals. It consists of two parts: the genus name and the specific epithet. For example, the scientific name for the common oak tree is <em> Quercus robur </em> , where <em> Quercus </em> is the genus and <em> robur </em> is the specific epithet. This system ensures that each species has a unique and universally recognized name.
  • Option C: This option is incorrect. Monomial nomenclature would involve naming a species with a single word, which is not the case in scientific classification. The binomial system is used to avoid confusion and ensure that each species has a unique name.
  • Option D: This option is incorrect. Polynomial nomenclature would involve naming a species with more than two parts, which is not the standard practice in scientific naming. The binomial system is preferred because it is concise and universally understood.

Mnemonic: B is for Binomial, B is for Biology

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