Patterns in Life Diversity and Classification — Class 9 Science NCERT Solutions (Free)
Free step-by-step NCERT solutions for Class 9 Science chapter "Patterns in Life Diversity and Classification" — 8 important questions with detailed answers for CBSE board exam preparation.
TL;DR: Free step-by-step NCERT solutions for Class 9 Science chapter "Patterns in Life Diversity and Classification" — 8 important questions with detailed an…
By Syllab.in · Updated
Key Questions Covered:
- What is classification? Why is it necessary to classify living organisms?
- Explain the hierarchical classification system. Give the hierarchy levels.
- Describe the five kingdom classification system.
- + 5 more questions in the full chapter
Solutions Summary:
| Question | Status |
|---|---|
| What is classification? Why is it necessary to classify l… | ✓ Solved |
| Explain the hierarchical classification system. Give the … | ✓ Solved |
| Describe the five kingdom classification system. | ✓ Solved |
Showing 3 of 8 questions
Q1: What is classification? Why is it necessary to classify living organisms?
Classification = Organizing living organisms into groups based on their similarities and differences.
Necessity of classification:
(1) Identify organisms easily
(2) Understand relationships between organisms
(3) Understand evolution of organisms
(4) Study diversity of life
(5) Predict properties of ...
Q2: Explain the hierarchical classification system. Give the hierarchy levels.
Hierarchical classification = Grouping of organisms from broadest to most specific category.
Hierarchy levels (Kingdom → Species):
(1) Kingdom: Largest, most general group (e.g., Animalia, Plantae)
(2) Phylum: Major subdivisions within kingdom (e.g., Chordata, Arthropoda)
(3) Class: Subdivisions of ...
Q3: Describe the five kingdom classification system.
Five Kingdom Classification (Whittaker, 1969):
(1) Monera: Prokaryotes (bacteria, cyanobacteria)
• Single-celled, no nucleus
• Cell wall present
• Example: E. coli
(2) Protista: Single-celled eukaryotes
• Nucleus present
• Live in moist/aquatic environment
• Example: Amoeba, Euglena, Paramecium
(3) ...
Showing 3 of 8 questions. Visit the full page for complete solutions.