Chapter 3 of 6
Syllabus
Paths of Evolution — Syllabus
Kerala Board · Class 10 · Biology
What Paths of Evolution covers in Kerala Board Class 10 Biology: 4 topics, for the 2026-27 session. Part of the Kerala Board Class 10 Biology syllabus.
45 questions24 flashcards5 concepts
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4 Topics · Kerala Board Class 10 Biology · 2026-27
Topics in Paths of Evolution
1
Introduction to Evolution and Antibiotic Resistance
- Evolution is observed in real-time through examples like antibiotic-resistant bacteria
- The tuberculosis case study shows how bacteria develop resistance through mutations
- Resistant bacteria multiply and pass resistance to offspring, creating 'superbugs'
2
Lamarckism - Theory of Inheritance of Acquired Characters
- Proposed by Jean Baptiste Lamarck (1744-1829)
- Theory states that acquired characters during lifetime are inherited
- Giraffe neck elongation example: stretching to reach high leaves leads to longer necks
3
Darwinism - Theory of Natural Selection
- Proposed by Charles Darwin (1809-1882) after HMS Beagle voyage
- Based on observations of Galapagos finches with different beak shapes
- Five main components: Overproduction, Variations, Struggle for existence, Survival of fittest, Natural selection
4
Neo-Darwinism and Modern Evolution
- Combines Darwin's theory with genetic knowledge from Mendel's discoveries
- Recognizes genetic changes, recombination, and gene flow as sources of variation
- Incorporates evidence from population genetics, paleontology, and molecular biology
Key Concepts
Jean Baptiste Lamarck proposed that organismsCharles Darwin's theory explains evolution throughModern evolutionary theory that combines Darwin'sThe process by which new speciesHumans evolved from primate ancestors through
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Start This ChapterFrequently Asked Questions
What are the important topics in Paths of Evolution for Kerala Board Class 10 Biology?
Key topics in Paths of Evolution include Introduction to Evolution and Antibiotic Resistance, Lamarckism - Theory of Inheritance of Acquired Characters, Darwinism - Theory of Natural Selection, Neo-Darwinism and Modern Evolution. Study these first, then practise questions on each for the Kerala Board Class 10 board exam.
How should I revise Paths of Evolution for the Kerala Board Class 10 board exam?
Learn the core ideas first, then work through the 45 practice questions on Paths of Evolution. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.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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