NEET · Biology · Evolution doubts
12 doubts found
What does “Natural selection” actually mean in Evolution, and why does it matter for NEET?
individuals best adapted to their environment survive and reproduce more, so their traits spread.
I keep getting “Natural selection” questions wrong in Evolution. What's the trap?
reading it as 'survival of the strongest'.
What does “Variation and adaptation” actually mean in Evolution, and why does it matter for NEET?
inherited differences among individuals provide the raw material selection acts on.
I keep getting “Variation and adaptation” questions wrong in Evolution. What's the trap?
thinking organisms change themselves on purpose to adapt.
What does “Hardy–Weinberg principle” actually mean in Evolution, and why does it matter for NEET?
allele frequencies in a large, undisturbed population stay constant — no evolution.
I keep getting “Hardy–Weinberg principle” questions wrong in Evolution. What's the trap?
thinking allele frequencies always drift over time.
What is the difference between homologous organs and analogous organs?
Homologous organs share structure and ancestry but differ in function (human arm vs whale flipper); analogous organs share function but not ancestry (bird wing vs insect wing).
What is the difference between natural selection and Lamarckism?
Natural selection acts on inherited variation over generations; Lamarckism (disproved) claimed traits acquired in life are passed on.
What is the difference between divergent evolution and convergent evolution?
Divergent evolution makes related species differ (homologous organs); convergent evolution makes unrelated species resemble each other (analogous organs).
How is Evolution tested in NEET, and what should I focus on?
Prioritise the core ideas: Natural selection, Variation and adaptation, Hardy–Weinberg principle.
What are the most common mistakes students make in Evolution?
natural selection favours the best-adapted to the environment, which is not the same as the physically strongest.
How do I revise Evolution quickly before the exam?
One-page summary of Natural selection, Variation and adaptation, Hardy–Weinberg principle, then timed previous-year questions.