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Chapter 1: The Living World
Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature.
17
Chapter 2: Biological Classification
Five kingdom classifications; Salient features and classification of Monera, Protista and Fungi; Lichens, Viruses and Viroids.
28
Chapter 3: Plant Kingdom
Classification into major groups; Features and examples of Algae, Bryophyta, Pteridophyta, Gymnospermae (Excluded: Angiosperms, Plant Life Cycle & Alternation of Generations).
24
Chapter 4: Animal Kingdom
Salient features and classification: Non-chordates up to phyla level and chordates up to class level; examples of each. (No live specimens to be displayed).
34
Chapter 5: Morphology of Flowering Plants
Morphology of root, stem, leaf, inflorescence, flower, fruit, seed; description of family Solanaceae.
46

Taxonomy – Meaning, Scope and Applications

Taxonomy — 30 Q Quiz (30 min) | Class 11 The Living World

Taxonomy — 30 Question Quiz

Unit 1: Diversity of Living Organisms • Chapter 1: The Living World — Taxonomy: Meaning, Scope & Applications (NCERT)

Time: 30:00

1. What is taxonomy?

A. The science of naming, describing and classifying organisms B. Study of animal behavior C. Study of ecosystems D. A method of plant breeding

2. Which of these is NOT a scope of taxonomy?

A. Identification of organisms B. Predicting stock market trends C. Classification of organisms D. Nomenclature

3. Which activity is an application of taxonomy?

A. Painting landscapes B. Predicting weather C. Identifying medicinal plants for drug discovery D. Astrology

4. Who is primarily responsible for describing and naming new species?

A. Ecologist B. Geneticist C. Geologist D. Taxonomist

5. Which system provides a standard format for scientific names?

A. Binomial nomenclature B. Polynomial system C. Common naming D. Local dialect names

6. Taxonomic keys are used mainly for:

A. DNA sequencing B. Identification of organisms through paired choices C. Measuring biomass D. Soil analysis

7. Which of the following is an advantage of a good taxonomic system?

A. It increases species extinction B. It hides organism relationships C. It helps in communication and research by providing universal names D. It prevents conservation

8. Which character type is most practical for field identification?

A. DNA sequences only B. Behavioural traits only C. Ultrastructural characters only D. Observable morphological characters

9. Which of the following is a limitation of taxonomy?

A. Some species show continuous variation making boundaries unclear B. It provides universal names C. It helps in biodiversity studies D. It aids conservation planning

10. Which code governs the naming of animals?

A. ICN (plants code) B. ICD (medical) C. ICZN (International Code of Zoological Nomenclature) D. WHO naming system

11. Which is an application of taxonomy in agriculture?

A. Predicting weather patterns B. Identifying pest species and their natural enemies C. Measuring soil pH D. Designing irrigation systems

12. What is the basic unit of classification?

A. Species B. Genus C. Family D. Order

13. Which of these is NOT true about binomial nomenclature?

A. It includes genus and species names B. It was popularised by Linnaeus C. It is used worldwide D. It uses multiple common names for one species

14. Phenetics groups organisms based on:

A. Genetic code only B. Ecological roles C. Overall similarity using many characters D. Economic importance only

15. Which is a practical use of taxonomy in medicine?

A. Correct identification of pathogens for treatment B. Designing hospital beds C. Measuring blood pressure D. Scheduling hospital staff

16. Who introduced the concept of binomial nomenclature?

A. Darwin B. Carl Linnaeus C. Mendel D. Watson & Crick

17. Which practice helps avoid confusion caused by local common names?

A. Using only local names B. Using multiple common names C. Avoiding scientific names D. Using standard scientific (Latin) names

18. Cladistics is a method of classification that emphasises:

A. Economic uses of organisms B. Geographical location C. Evolutionary relationships and shared derived characters D. Colour patterns only

19. Which is true about taxonomic literature (monographs, revisions)?

A. It compiles detailed descriptions and keys for groups of organisms B. It is unrelated to taxonomy C. It is purely fictional D. It only lists common names

20. Which character is homologous?

A. Wings of insects and wings of birds (different origin) B. Forelimb bones of human and wing bones of bat (common origin) C. Frogs and butterflies sharing habitat D. Unrelated similar colour in two species

21. Which of the following is true about taxonomic hierarchy?

A. Species is broader than kingdom B. Genus is the broadest rank C. Order is the most specific rank D. Kingdom > Phylum > Class > Order > Family > Genus > Species

22. Which method uses DNA sequences to determine relationships?

A. Molecular phylogenetics B. Classical morphology only C. Astrology D. Soil taxonomy

23. Which is an example of applied taxonomy in conservation?

A. Decorating parks B. Identifying endangered species for protection C. Building highways D. Mining operations

24. Which type of character is most reliable for determining deep evolutionary relationships?

A. Colour patterns B. Habitat preference C. Molecular (DNA/protein) characters D. Size alone

25. Which of the following helps in agricultural biodiversity studies?

A. Proper identification of crop varieties and landraces B. Ignoring local varieties C. Random planting D. Removing traditional varieties

26. Which statement about species concept is correct?

A. Species are always morphologically identical B. Biological species concept defines species as interbreeding natural populations C. Species concept is irrelevant in taxonomy D. Species are groups based only on habitat

27. Which practice demonstrates taxonomy in biotechnology?

A. Making fertilizers B. Soil tilling C. Harvesting crops D. Classifying microbes for industrial enzyme production

28. Taxonomic revisions are necessary because:

A. New data (molecular, morphological) can change our understanding of relationships B. Species never change C. Names should change frequently D. Classification is obsolete

29. Which resource is essential for a taxonomist's work?

A. Telephone directory B. Weather data only C. Herbarium and museum collections D. Cooking recipes

30. Why is taxonomy important for biodiversity conservation planning?

A. It only names species B. It helps identify, prioritise and manage species and habitats C. It reduces species numbers D. It prevents habitat protection

Instructions: 30 multiple-choice questions • Time: 30 minutes • Select one answer per question. Results & explanations appear after you submit. Auto-submit when time ends.

Understanding Taxonomy – Meaning, Scope and Applications is fundamental in Class 11 Biology. Taxonomy provides a scientific system for naming, identifying, and classifying organisms, ensuring global consistency and clarity in studying biodiversity. This chapter from NCERT Biology Class 11 highlights the importance of taxonomy in medicine, agriculture, conservation, and biotechnology. To help students strengthen their knowledge, we present a set of CBSE Class 11 Biology MCQs Taxonomy designed strictly according to the NCERT syllabus. These objective questions test concepts like binomial nomenclature, taxonomic hierarchy, classification systems, and the applications of taxonomy in real-life contexts. With an online practice test featuring automatic scoring and instant feedback, students can evaluate their preparation in a structured way. This makes it an excellent tool for CBSE board exam revision as well as NEET-UG aspirants, ensuring thorough practice and improved confidence before exams.

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Systematics – Role in Evolutionary Relationships

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