Class 11 · The Living World

Genus and Species: Taxonomic Classification — NEET Biology

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📖 NCERT Source

Taxonomic studies consider a group of individual organisms with fundamental similarities as a species. One should be able to distinguish one species from the other closely related species based on the distinct morphological differences. Let us consider Mangifera indica, Solanum tuberosum (potato) and Panthera leo (lion). All the three names, indica, tuberosum and leo, represent the specific epithets, while the first words Mangifera, Solanum and Panthera are genera and represents another higher level of taxon or category. Each genus may have one or more than one specific epithets representing different organisms, but having morphological similarities. For example, Panthera has another specific epithet called tigris and Solanum includes species like nigrum and

NCERT Biology · Class 11 · Chapter 1 · Paragraph 18
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QuestionPractice Question

Assertion (A): Species can be distinguished from closely related species based on morphological differences. Reason (R): A species is defined as a group of individual organisms with fundamental similarities.

📖 Solution & NCERT Explanation
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Correct answer: A If both assertion and reason are true and the reason is the correct explanation of the assertion.

NCERT states “One should be able to distinguish one species from the other closely related species based on the distinct morphological differences” (Assertion true). NCERT defines “Taxonomic studies consider a group of individual organisms with fundamental similarities as a species” (Reason true). The Reason explains WHY species can be distinguished - because they are groups with internal similarities, making differences between groups detectable.

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What does NCERT say about Taxonomic studies consider group?
Taxonomic studies consider a group of individual organisms with fundamental similarities as a species. One should be able to distinguish one species from the other closely related species based on the distinct morphological differences.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
The Living World, Class 11 NCERT Biology.

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