Polugodovaia Kontrolnaia Rabota Po Biologii 11 Klass — Po Linii Ponomarevoi

Mutation, isolation, natural selection, and speciation.

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

Directions (aromorphosis, idioadaptation, degeneration) and patterns (divergence, convergence). 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

Stages of human evolution and the influence of social vs. biological factors. Open-ended questions or problem-solving (high complexity)

You can find complete downloadable versions with answer keys on educational platforms like Infourok or Foxford .

Explain the difference between geographical and biological isolation. A) Appearance of the flower in angiosperms B)

Determine the genotypes of parents and offspring in a genetic cross involving two traits (e.g., albinism and color blindness). Key Topics to Review