10th Samacheer Quiz

Q1. Evolution generally refers to:

Accumulation of heritable changes in organisms over time Instant change of species in one day Immediate extinction Only temperature change

Q2. Which statement is most directly related to Unit 19: Origin and Evolution of Life?

Evolution Cell wall Gravity Photosynthesis

Q3. The theory of natural selection is strongly associated with:

Darwin Mendel only Pasteur Ohm

Q4. Which concept describes the diversification of forms from a common ancestor?

Divergence and adaptation Neutralisation Refraction Decomposition

Q5. Similar underlying skeletal structures in two organisms can be evidence for:

Common ancestry Sound propagation Thermal equilibrium Digestion

Q6. Natural selection is associated with Charles Darwin.

Charles Darwin Gregor Mendel Louis Pasteur Isaac Newton

Q7. Evolution means gradual change in populations over generations.

Evolution Digestion Respiration Excretion