This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 66 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 66 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Who is often called the "father of modern genetics" for his experiments with pea plants, which provided evidence for the concept of heredity and influenced Darwin's ideas on variation within species? A) Albert Einstein. B) Isaac Newton. C) Gregor Mendel. D) Charles Darwin. Show Answer Correct Answer: C) Gregor Mendel. 2. Shifts average phenotypes in one direction (either extremes) A) Directional. B) Stabilizing. C) Disruptive. D) None of the above. Show Answer Correct Answer: A) Directional. 3. Similar ..... are the strongest evidence for evolution from a common ancestor. A) Anatomical structures. B) DNA sequences. C) All the above. D) None of the above. Show Answer Correct Answer: B) DNA sequences. 4. You look at two species and see very similar DNA. What does this likely tell you? A) These are the same animal. B) These animals are not likely related. C) These animals have a common ancestor. D) These animals are likely becoming one species. Show Answer Correct Answer: C) These animals have a common ancestor. 5. For the most part, evolutionary changes occur too slowly for us to see. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. A ..... is a branching diagram that shows evolutionary relationships. A) Genogram. B) Teddygram. C) Cladogram. D) Candygram. Show Answer Correct Answer: C) Cladogram. 7. All of these are ways that organisms can evolve EXCEPT ..... A) Random mutation. B) Lateral gene transfer. C) Genetic drift. D) Gene shuffling. E) All of these are ways organisms can evolve. Show Answer Correct Answer: E) All of these are ways organisms can evolve. 8. Which of the following best describes the data from part 1 of the experiment? A) A greater number of resistant bacteria grew on weak antibiotics than strong antibiotics. B) Fewer resistant bacteria grew on weak antibiotics than strong antibiotics. C) The number of resistant bacteria observed was not affected by antibiotic strength. D) No bacteria were able to grow on the antibiotic zone of inhibition. Show Answer Correct Answer: A) A greater number of resistant bacteria grew on weak antibiotics than strong antibiotics. 9. The change over time in populations of related species. A) Biological evolution. B) Transition. C) Variation. D) Adaptation. Show Answer Correct Answer: A) Biological evolution. 10. ..... is the mechanism for evolution, and it says that organisms that are best adapted to their environment are most likely to pass on their genes. A) Homologous Structure. B) Natural Selection. C) Vestigial Structure. D) Fossil. E) Bottle Neck effect. Show Answer Correct Answer: B) Natural Selection. 11. Having freckles is dominant over not having freckles. If two individuals heterozygous for freckles have a child, what is the probability the child will have freckles? A) 75%. B) 50%. C) 25%. D) 0%. Show Answer Correct Answer: A) 75%. 12. Change in genetic makeup of a population overtime:descent with modification A) Evolution. B) Natural selection. C) Genotype. D) None of the above. Show Answer Correct Answer: A) Evolution. 13. In a population of mice, long hair (h) is recessive and short hair (H) is dominant. The population of the mice is 100, and there are 9 mice with long hair. What is the heterozygous frequency? A) 0.3. B) 0.49. C) 0.42. D) 0.7. Show Answer Correct Answer: C) 0.42. 14. Adaptations help a population survive over time by: A) Allowing individuals to better survive and reproduce in their environment. B) Decreasing the chances of survival for the population. C) Making all individuals identical. D) Preventing any changes in the environment. Show Answer Correct Answer: A) Allowing individuals to better survive and reproduce in their environment. 15. Which people can get MRSA? A) People of any age. B) Only children. C) Only Elderly. D) Females of any age. Show Answer Correct Answer: A) People of any age. 16. A type of structure that is physically present, but does not seem to serve a significant function for an organism. A) Homologous structure. B) Analogous structure. C) Vestigial structure. D) Standard structure. Show Answer Correct Answer: C) Vestigial structure. 17. What do "gills" develop into in humans (Homo sapiens)? A) Arms and hands. B) Ear and jaw. C) Ribs. D) Legs and feet. Show Answer Correct Answer: B) Ear and jaw. 18. Places on a phylogenetic tree where organisms share a common ancestor are called ..... A) Nodes. B) Branches. C) Taxa. D) Species. Show Answer Correct Answer: A) Nodes. 19. After the trees darkened from pollution, which type of moth survived more often? A) Light-colored moths. B) Dark-colored moths. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dark-colored moths. 20. The change in the genetic make up of a population is called ..... A) Population. B) Random mating. C) Evolution. D) None of these. Show Answer Correct Answer: C) Evolution. 21. The type of selection in which individuals of average size have greater fitness than small or large individuals have is called A) Disruptive selection. B) Stabilizing selection. C) Directional selection. D) Neutral selection. Show Answer Correct Answer: B) Stabilizing selection. 22. A remnant or trace of an organism from the past is called a ..... A) Ancestor. B) Skeleton. C) Fossil. D) Imprints. Show Answer Correct Answer: C) Fossil. 23. Is the most common type of symmetry observed in animals. It refers to the arrangement of body parts or structures in a way that creates a mirror image when divided down the middle. A) Radial Symmetry. B) Taxonomy. C) Bilateral symmetry. D) Radial Symmetry. Show Answer Correct Answer: C) Bilateral symmetry. 24. A cell with chloroplast A) Plant cell. B) Animal cell. C) All the above. D) None of the above. Show Answer Correct Answer: A) Plant cell. 25. What evidence of evolution? Kangoaroos are found only in Australia. A) Comparative embryology. B) Comparative anatomy. C) Comparative biochemistry. D) Geographic distribution. Show Answer Correct Answer: D) Geographic distribution. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 7 Evolution Quiz 1Class 12 Biology Chapter 7 Evolution Quiz 2Class 12 Biology Chapter 7 Evolution Quiz 3Class 12 Biology Chapter 7 Evolution Quiz 4Class 12 Biology Chapter 7 Evolution Quiz 5Class 12 Biology Chapter 7 Evolution Quiz 6Class 12 Biology Chapter 7 Evolution Quiz 7Class 12 Biology Chapter 7 Evolution Quiz 8Class 12 Biology Chapter 7 Evolution Quiz 9Class 12 Biology Chapter 7 Evolution Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books