Open-ended questions or problem-solving (high complexity). Sample Paper: 1st Semester (Grade 11) Part A: Single Correct Answer What is considered the elementary unit of evolution? A) Individual organism B) Species C) Population D) Biocenosis Which of the following is an example of an idioadaptation? A) Appearance of the flower in angiosperms B) Protective coloration in insects C) Development of the four-chambered heart D) Loss of the digestive system in flatworms
Tasks involving matching or selecting multiple correct answers (advanced level).
Explain the difference between geographical and biological isolation. Open-ended questions or problem-solving (high complexity)
Determine the genotypes of parents and offspring in a genetic cross involving two traits (e.g., albinism and color blindness). Key Topics to Review
A) Divergence | 1) Formation of similar traits in unrelated groups A) Appearance of the flower in angiosperms B)
A) Artificial selection B) Natural selection C) Inheritance of acquired traits D) Internal urge for perfection Part B: Matching & Multiple Choice Select three examples of aromorphosis: Webbed feet in ducks Appearance of photosynthesis Multicellularity Long beak in snipes Appearance of the vertebral column Flat body shape in bottom-dwelling fish Match the type of evolution with its description:
Stages of human evolution and the influence of social vs. biological factors. Key Topics to Review A) Divergence | 1)
Directions (aromorphosis, idioadaptation, degeneration) and patterns (divergence, convergence).