Q1. Which animal is considered a direct ancestor of modern-day amphibians?A. Lobefin FishB. IchthyosaurC. CoelacanthD. Tyrannosaurus
Q2. Which of the following statements is incorrect?A. The first cellular life forms appeared around 2000 million years ago.B. The ozone layer was formed due to the accumulation of oxygen in the atmosphere.C. Chemical evolution refers to the formation of complex organic molecules from simple inorganic molecules.D. Darwin proposed that life originated from non-living organic molecules.
Q3. Which type of selection favors intermediate traits, reducing variation in a population?A. Disruptive SelectionB. Stabilizing SelectionC. Directional SelectionD. Artificial Selection
Q4. Which of the following statements is correct?A. Fossil records provide direct evidence of evolutionary history.B. Paleontology is unrelated to evolutionary studies.C. Mutation is a directed process leading to evolution.D. Embryological evidence does not support evolution.
Q5. Which evolutionary concept is supported by the similarity in DNA sequences across diverse organisms?A. AnalogyB. Convergent EvolutionC. Common AncestryD. Founder Effect
Q6. Which of the following is incorrect?A. Industrial melanism is an example of natural selection.B. Gene flow reduces genetic differences between populations.C. Lamarck’s theory is based on the survival of the fittest.D. Mutation introduces new genetic variation.
Q7. What was a significant adaptation in reptiles that allowed them to dominate land environments?A. Development of lungsB. Viviparous reproductionC. Thick-shelled eggsD. Endothermic regulation
Q8. Which of the following statements is correct?A. Genetic recombination decreases genetic variation in populations.B. Hardy-Weinberg equilibrium is disrupted by genetic drift and mutation.C. Homo habilis had a brain capacity larger than Homo sapiens.D. Analogous organs arise from a common ancestor.
Q9. Which of the following statements is correct?A. Darwin’s theory emphasized the role of mutation in evolution.B. Hardy-Weinberg equilibrium describes continuous allele frequency changes.C. Homo habilis used tools, earning the title ‘handy man.’D. Genetic recombination reduces genetic variability in populations.
Q10. Which evolutionary event is associated with the extinction of dinosaurs?A. Permian ExtinctionB. Cretaceous ExtinctionC. Triassic ExtinctionD. Devonian Extinction