NCERT · Class 12 · Biology · EvolutionWhich of the following theories of evolution was proposed by Jean-Baptiste Lamarck?
Step-by-Step Solution
Jean-Baptiste Lamarck proposed the theory of Inheritance of Acquired Characters, also known as Lamarckism. According to this theory, traits acquired by organisms during their lifetime can be passed on to their offspring, driven by a 'internal vital force' and the effects of use and disuse of organs.
Detailed Options Breakdown
Option : Natural Selection
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 1: Inheritance of Acquired Characters (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Mutation Theory
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 3: Germplasm Theory
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
💡 Study Guide: This question tests core syllabus concepts from Evolution. For formulas, key summaries, and mock exam reference guides, read the full Evolution Revision Notes.