Lamarckism — Predicted 2026

AI-Predicted Question Angles for UPSC 2026

Based on trend analysis, current affairs, and recurring themes in Lamarckism.

Comparative Analysis with Darwinism

high

NEET frequently tests the ability to differentiate between similar-sounding but fundamentally different concepts. Lamarckism and Darwinism, being the two major historical theories of evolution, are prime candidates for comparative questions. Students might be given a scenario and asked to identify the Lamarckian vs. Darwinian explanation, or asked to list key differences in their mechanisms of variation, inheritance, or the role of the environment. This angle ensures students understand the nuances of each theory rather than just memorizing definitions.

Identification of Core Principles and Examples

high

Basic recall of Lamarck's two main principles (Use and Disuse, Inheritance of Acquired Characters) and his classic examples (giraffe's neck, snake's limbs) is fundamental. Questions might ask to identify which statement correctly describes Lamarckism, or which example is used to illustrate a specific Lamarckian principle. This tests foundational knowledge and ensures students can correctly attribute ideas to Lamarck.

Reasons for Rejection of Lamarckism

medium

Understanding why a scientific theory was disproven is as important as understanding the theory itself. Questions focusing on August Weismann's germplasm theory and his tail-cutting experiment on mice are common. This angle tests the understanding of scientific methodology and the role of empirical evidence in validating or refuting hypotheses. It also highlights the transition from early evolutionary thought to modern genetics.