Polugodovaia Kontrolnaia Rabota Po Biologii: 11 Klass Po Linii Ponomarevoi

The paper is designed for a session and consists of three parts: Part A: Multiple-choice questions (basic level).

This semi-annual assessment for Grade 11 Biology, based on the curriculum, covers key evolutionary and ecological topics typically studied in the first half of the academic year. Assessment Structure The paper is designed for a session and

Explain the difference between geographical and biological isolation. Sample Paper: 1st Semester (Grade 11) Part A:

Tasks involving matching or selecting multiple correct answers (advanced level). based on the curriculum

Mutation, isolation, natural selection, and speciation.

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