This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The wings of a bird and the wings of a bee are ..... , they have the same function but different function. A) Analogous Structure. B) Fitness. C) Speciation. D) Founder Effect. E) Evolution. Show Answer Correct Answer: A) Analogous Structure. 2. Is the change in the frequency of an existing gene variant in a population due to random chance. A) Genetic drift. B) Genes. C) Genetic equalibrium. D) Phylology. Show Answer Correct Answer: A) Genetic drift. 3. What type of selection favors both the high and low end of a population curve? A) Stabilizing Selection. B) Directional Selection. C) Disruptive Selection. D) None of the above. Show Answer Correct Answer: C) Disruptive Selection. 4. Which best describes the phrase survival of the fittest? A) Strongest in a population are most successful. B) Fastest in a population are most successful. C) Those that can survive and reproduce are most successful. D) Those that can live the longest are most successful. Show Answer Correct Answer: C) Those that can survive and reproduce are most successful. 5. Natural selection is a ..... of evolution. A) Mechanism. B) Result. C) Definition. D) Opposite. Show Answer Correct Answer: A) Mechanism. 6. The change in heritable characteristics of biological populations over successive generations A) Evolution. B) Change. C) Natural Selection. D) Biogeography. Show Answer Correct Answer: A) Evolution. 7. Occurs when a small group of individuals establishes a new population, leading to a loss of genetic diversity relative to the original population. A) Founder Effect. B) Bottleneck Effect. C) Mutation. D) Gene Flow. Show Answer Correct Answer: A) Founder Effect. 8. Long periods of little change in a species followed by short periods of rapid change A) Punctuated Equilibrium. B) Gradualism. C) All the above. D) None of the above. Show Answer Correct Answer: A) Punctuated Equilibrium. 9. The process by which evolution occurs and in which certain genes make organisms more likely to survive and reproduce is called ..... A) Genetic change. B) Natural selection. C) Genetic resistance. D) Species separation. Show Answer Correct Answer: B) Natural selection. 10. What allowed humans to better adapt to their environment? A) Four legs. B) Rough Climate. C) Two legs and a big brain. D) None of the above. Show Answer Correct Answer: C) Two legs and a big brain. 11. The Endosymbiotic Theory explains A) The origin of prokaryotes. B) How bacteria lives. C) The origin of eukaryotes. D) How species develop. Show Answer Correct Answer: C) The origin of eukaryotes. 12. This gas was in high concentrations in the early atmosphere, and later condensed to form Earth's oceans. A) Oxygen. B) Carbon dioxide. C) Sulfur oxides. D) Water vapour. Show Answer Correct Answer: D) Water vapour. 13. Which of the following describes what the first life form resembled? A) Eukaryotes. B) Plants. C) Bacteria. D) Fungi. Show Answer Correct Answer: C) Bacteria. 14. Is the study of the similarities and differences in the anatomy (structure) of different species of animals. By comparing the anatomy of different animals, scientists can gain insight into the evolutionary relationships between different groups of organisms and the processes that have led to the diversity of life on Earth. A) Comparative Anatomy. B) Comparative Embryology. C) Atavistic Structures. D) Vestigial structures. Show Answer Correct Answer: A) Comparative Anatomy. 15. Embryology A) The study of plant life and their growth. B) The branch of biology and medicine concerned with the study of embryos and their development. C) The science of animal behavior and their interactions. D) The field focused on the genetic makeup of organisms. Show Answer Correct Answer: B) The branch of biology and medicine concerned with the study of embryos and their development. 16. An adaptation is A) Organisms better suited for their environment will survive and reproduce. B) Any physical or behavioral characteristic that helps an organism to better survive. C) Theory that organisms have changed gradually over a long period of time to form mew organisms. D) None of the above. Show Answer Correct Answer: B) Any physical or behavioral characteristic that helps an organism to better survive. 17. Who was the first naturalist to study evolution? A) Charles Darwin. B) Gregor Mendal. C) Carolus Linneaus. D) Thomas Edison. Show Answer Correct Answer: A) Charles Darwin. 18. In science, the inheritance of a structure that results from natural selection and by which the organism becomes better able to survive and reproduce is called A) Mutation. B) Advantage. C) Adaptation. D) Evolution. Show Answer Correct Answer: C) Adaptation. 19. What is the smallest taxa? A) Domain. B) Kingdom. C) Genus. D) Species. Show Answer Correct Answer: D) Species. 20. Who is considered the father of evolution? A) Charles Darwin. B) Gregor Mendel. C) Isaac Newton. D) Albert Einstein. Show Answer Correct Answer: A) Charles Darwin. 21. It can be seen on a cladogram that modern birds and reptiles share a common ancestor. Select the piece of evidence that BEST supports this idea. A) Reptiles are also related to mammals. B) Birds have evolved into many groups. C) Feathers are a derived characteristic that first evolved in reptiles. D) Birds have the derived characteristic of being warm blooded, like mammals. Show Answer Correct Answer: C) Feathers are a derived characteristic that first evolved in reptiles. 22. Darwins Main points A) Traits are heritable & more offspring are produced than can survive. B) Traits are not heritable & offspring are produced at equal rate. C) Only offspring are produced than can survive. D) None of the above. Show Answer Correct Answer: A) Traits are heritable & more offspring are produced than can survive. 23. ..... is the formation of a new species A) Homologous Structure. B) Analogous Structure. C) Vestigial Structure. D) Speciation. E) Allele Frequency. Show Answer Correct Answer: D) Speciation. 24. What does 'biogeography' study? A) The geographical distribution of biological organisms. B) The study of biological organisms in urban areas. C) The genetic makeup of organisms in isolated locations. D) The migration patterns of birds. Show Answer Correct Answer: A) The geographical distribution of biological organisms. 25. What was the earth like during PreCambrian time? A) Tropical climate with warm shallow seas. B) Vegetation and tectonic movement. C) Cooler temperatures because of nuclear winter. D) Intense volcanic activity, very warm temperatures. Show Answer Correct Answer: D) Intense volcanic activity, very warm temperatures. ← 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