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
The paper is designed for a session and consists of three parts: Part A: Multiple-choice questions (basic level). Open-ended questions or problem-solving (high complexity)
A) Divergence | 1) Formation of similar traits in unrelated groups A) Appearance of the flower in angiosperms B)
Explain the difference between geographical and biological isolation. Determine the genotypes of parents and offspring in
Tasks involving matching or selecting multiple correct answers (advanced level).
Determine the genotypes of parents and offspring in a genetic cross involving two traits (e.g., albinism and color blindness). Key Topics to Review