Chapter 1: The Living World
NCERT Solutions for CBSE Class 10 Biology — 28 solved questions with detailed explanations.
Solved Questions
Q1. Binomial nomenclature was introduced by:
- Aristotle
- Carolus Linnaeus
- Darwin
- Lamarck
Difficulty: Easy · Topic: Taxonomy
Solution
Carolus Linnaeus introduced binomial nomenclature in Species Plantarum (1753) and Systema Naturae.
Q2. The basic unit of classification is:
Difficulty: Easy · Topic: Classification
Solution
Species is the basic/fundamental unit of classification. A group of organisms that can interbreed and produce fertile offspring.
Q3. ICBN stands for:
- Indian Code of Botanical Nomenclature
- International Code of Biological Nomenclature
- International Code of Botanical Nomenclature
- International Council of Botanical Names
Difficulty: Easy · Topic: Nomenclature
Solution
ICBN = International Code of Botanical Nomenclature (now ICN - International Code of Nomenclature for algae, fungi, and plants).
Q4. Taxonomy is the study of:
- cell structure
- genetics
- classification of organisms
- evolution
Difficulty: Easy · Topic: The Living World
Solution
classification of organisms.
Q5. Key in taxonomy is used for:
- identification of organisms
- classification only
- naming only
- evolution study
Difficulty: Easy · Topic: The Living World
Solution
identification of organisms.
Q6. Taxon is a:
- single organism
- species only
- group of organisms at any rank
- genus only
Difficulty: Easy · Topic: The Living World
Solution
group of organisms at any rank.
Q7. Museum is a place where:
- live animals kept
- seeds stored
- experiments done
- specimens are preserved
Difficulty: Easy · Topic: The Living World
Solution
specimens are preserved.
Q8. Zoological parks are for:
- wild animal conservation
- fossil display
- plant study
- book storage
Difficulty: Easy · Topic: The Living World
Solution
wild animal conservation.
Q9. Flora refers to:
- microbes
- animals of a region
- fossils
- plants of a region
Difficulty: Easy · Topic: The Living World
Solution
plants of a region.
Q10. Fauna refers to:
- rocks
- plants of a region
- microbes
- animals of a region
Difficulty: Easy · Topic: The Living World
Solution
animals of a region.
Q11. Herbarium sheets are stored in:
- special cabinets
- water tanks
- freezers
- open shelves
Difficulty: Easy · Topic: The Living World
Solution
special cabinets.
Q12. Monograph is a detailed study of:
- one taxon
- one chemical
- all organisms
- one cell type
Difficulty: Easy · Topic: The Living World
Q13. Manual helps in:
- chemical analysis
- identification in a specific area
- global classification
- genetic study
Difficulty: Easy · Topic: The Living World
Solution
identification in a specific area.
Q14. Taxonomy deals with:
- identification, nomenclature, classification
- only naming
- only identification
- only classification
Difficulty: Easy · Topic: The Living World
Solution
identification, nomenclature, classification.
Q15. Species is defined as:
- group of organisms that interbreed to produce fertile offspring
- organisms in same habitat
- organisms that look alike
- any group of organisms
Difficulty: Easy · Topic: The Living World
Solution
group of organisms that interbreed to produce fertile offspring.
Q16. Genus is a group of:
- related orders
- related species
- related phyla
- related families
Difficulty: Easy · Topic: The Living World
Q17. Family is a group of:
- related orders
- related classes
- related species
- related genera
Difficulty: Easy · Topic: The Living World
Q18. Order is a group of:
- related families
- related genera
- related classes
- related species
Difficulty: Easy · Topic: The Living World
Solution
related families.
Q19. Class is a group of:
- related genera
- related families
- related orders
- related phyla
Difficulty: Easy · Topic: The Living World
Q20. Phylum is a group of:
- related orders
- related genera
- related classes
- related families
Difficulty: Easy · Topic: The Living World
Q21. Kingdom is the highest:
- taxonomic category
- species level
- genus level
- family level
Difficulty: Easy · Topic: The Living World
Solution
taxonomic category.
Q22. Type specimen is:
- living organism
- fossil
- photograph
- preserved reference organism for a species
Difficulty: Easy · Topic: The Living World
Solution
preserved reference organism for a species.
Q23. Systematics includes:
- only naming
- only phylogeny
- only classification
- taxonomy + evolutionary relationships
Difficulty: Easy · Topic: The Living World
Solution
taxonomy + evolutionary relationships.
Q24. Cladistics groups organisms by:
- shared derived characters
- habitat
- appearance only
- size
Difficulty: Easy · Topic: The Living World
Solution
shared derived characters.
Q25. Phenetics classifies based on:
- habitat
- evolutionary relationship
- overall similarity
- one character
Difficulty: Easy · Topic: The Living World
Solution
overall similarity.
Q26. Herbarium is a collection of:
- fossils
- living animals
- seeds only
- dried pressed plant specimens
Difficulty: Easy-Medium · Topic: The Living World
Solution
dried pressed plant specimens.
Q27. Botanical gardens are for:
- recreation only
- agriculture
- ex-situ conservation and research
- timber production
Difficulty: Easy-Medium · Topic: The Living World
Solution
ex-situ conservation and research.
Q28. Correct sequence of taxonomic categories is:
- Species-Genus-Order-Family-Class-Phylum-Kingdom
- Genus-Species-Family-Order-Class-Phylum-Kingdom
- Species-Genus-Family-Order-Class-Phylum-Kingdom
- Species-Family-Genus-Order-Class-Phylum-Kingdom
Difficulty: Easy-Medium · Topic: The Living World
Solution
Species-Genus-Family-Order-Class-Phylum-Kingdom.
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