Patterns in Life : Diversity and Classification
CBSE · Class 9 · Science
Most important questions from Patterns in Life : Diversity and Classification for CBSE Class 9 Science board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Which scientist grouped animals based on habitat and external appearance around the 4th century BCE?
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Aristotle
Aristotle grouped animals by habitat and external appearance around the 4th century BCE.
What is the main limitation of Aristotle's classification system?
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It relied mainly on easily observable external characteristics
The system was limited because it used only simple visible features, not deeper biological traits.
Which kingdoms were included in the two kingdom system?
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Plantae and Animalia
The two kingdom system divided living organisms into Plantae and Animalia.
Why did the two kingdom system create confusion?
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Organisms like Amoeba, Paramecium and bacteria did not fit neatly into only Plantae and Animalia
Some unicellular organisms and bacteria did not fit the two kingdom idea, so it caused confusion.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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