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Chapters
Chapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Human Reproduction
Chapter 4: Reproductive Health
Chapter 5: Principles of Inheritance and Variation
Chapter 6: Molecular Basis of Inheritance
▶ Chapter 7: Evolution
Chapter 8: Human Health and Disease
Chapter 9: Strategies for Enhancement in Food Production
Chapter 10: Microbes in Human Welfare
Chapter 11: Biotechnology : Principles and Processes
Chapter 12: Biotechnology and its Applications
Chapter 13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and Conservation
Chapter 16: Environmental Issues
Solutions for Chapter 7: Evolution
Below listed, you can find solutions for Chapter 7 of CBSE, Karnataka Board PUC NCERT for Class 12 Biology.
NCERT solutions for Class 12 Biology Chapter 7 Evolution Exercises [Page 142]
Explain antibiotic resistance observed in bacteria in light of Darwinian selection theory.
Find out from newspapers and popular science articles any new fossil discoveries or controversies about evolution.
Attempt giving a clear definition of the term species
Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)
Find out through internet and popular science articles whether animals other than man have self-consciousness.
List 10 modern-day animals and using the internet resources link it to a corresponding ancient fossil. Name both.
Describe one example of adaptive radiation.
Using various resources such as your school library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal say horse.
Solutions for Chapter 7: Evolution
NCERT solutions for Class 12 Biology chapter 7 - Evolution
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Concepts covered in Class 12 Biology chapter 7 Evolution are Theories of Biological Evolution, Modern Synthetic Theory of Evolution, Gene Flow and Genetic Drift, Adaptive Radiation, Theories of Origin of Life, Hardy Weinberg’s Principle, Mechanism of Organic Evolution, Darwin’s Theory of Natural Selection, Origin and Evolution of Man, Origin and Evolution of Universe and Earth, Micro and Macro Evolution, Speciation, Evolution Stages, Evolution, Evidences for Biological Evolution, Brief Account of Evolution, Evolution of Life Forms - a Theory.
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