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#taxonomy

245 public questions tagged with this topic.

Which classification system by Bentham and Hooker is specifically applicable to which group of plants?

The Bentham and Hooker classification system is a natural classification system specifically for angiosperms. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

Which of the following animals belongs to the phylum Hemichordata?

Balanoglossus is a hemichordate, characterized by a proboscis, collar, and trunk. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Animal Kingdom, Topic: Basis of classification and salient features of phyla.

Which feature is found in Aschelminthes but absent in Platyhelminthes?

Aschelminthes (roundworms) have a complete digestive system, unlike Platyhelminthes, which have an incomplete digestive tract. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.

Which of the following animals belongs to class Amphibia?

Rana (frog) belongs to class Amphibia, characterized by its ability to live both on land and in water. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

Which of the following statements about Chlorophyceae is incorrect?

Chlorophyceae store food as starch in pyrenoids, though some may also store it as oil droplets. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

Which phylum is characterized by animals with a body wall containing ostia and a spongocoel?

Members of phylum Porifera (sponges) have a body wall with ostia (tiny pores) leading to the spongocoel, allowing water circulation. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

Which of the following taxonomic categories is the most general?

Kingdom is the broadest taxonomic category and includes the largest number of organisms. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

Which of the following is an example of a polytypic genus?

Polytypic genera like Homo, Panthera, and Felis contain multiple species within the same genus. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

Which of the following statements about molecular taxonomy is correct?

Molecular taxonomy uses genetic and molecular data to classify organisms and study evolutionary relationships. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.

Which of the following statements about numerical taxonomy is correct?

Numerical taxonomy classifies organisms using statistical methods based on numerous observable characteristics. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.

Which of the following is incorrect about numerical taxonomy?

Numerical taxonomy heavily relies on computational methods to analyze large datasets for classification. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.