Problem 118 - Objective Biology for NEET

Question

Botanical name of onion is (a) Allium sativum (b) Solanum melogena (c) Allium cepa (d) Brassica rapa

Step-by-Step Solution

Answer

The correct answer is (c) Allium cepa.

Step 1: Understanding the question

The question is asking for the scientific or botanical name for onion. This will require either knowledge or a reference source such as a textbook or Internet.

Step 2: Checking each option

Cross-check each of the given options. It's important to match the correct scientific name to the common name.

Step 3: Providing the correct answer

After cross-referencing, we find that the correct scientific name for onion is Allium cepa.

Key Concepts

Allium cepa

The botanical name 'Allium cepa' refers to the common onion, one of the most widely cultivated vegetables worldwide. Known for its pungent flavor and multitude of uses in cooking, the onion is a staple in many cuisines. 'Allium cepa' belongs to the genus Allium, which also includes garlic, leeks, and chives. Understanding this name helps in clearly identifying this plant in scientific studies and agricultural contexts. The use of the botanical name helps avoid confusion since common names such as "onion" can have different meanings in various regions.

By using 'Allium cepa,' scientists ensure clear communication across different languages and cultures. This makes it easier to share information and knowledge internationally, facilitating advancements in botany and agriculture.

Scientific Nomenclature

Scientific nomenclature is a systematic way of naming plants and animals in the scientific community. This system, known as binomial nomenclature, was developed by Carl Linnaeus in the 18th century. It provides every species a unique name consisting of two parts:

• The genus name, which is capitalized
• The specific epithet, written in lowercase

The entire name is typically italicized, such as 'Homo sapiens' for humans or 'Allium cepa' for onions.

This method allows researchers to communicate unambiguously about species, regardless of their native language. It reduces the risk of misunderstanding that can occur with common names and helps us understand the evolutionary relationships between species.

Plant Taxonomy

Plant taxonomy is the science that finds, identifies, describes, classifies, and names plants. It helps researchers understand the relationships between different plant species. At its core, plant taxonomy helps in organizing a gigantic variety of plants into categories or levels based on shared characteristics. These levels form a hierarchy called the taxonomic rank, which includes:

• Domain
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species

Each category represents different levels of common characteristics, where species is the most specific and domain the most general.

Knowing plant taxonomy allows scientists to trace plant lineage, discover new species, and even develop hybrids. It is crucial for agriculture, conservation, and understanding biodiversity.