This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 47 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This is a group of organisms of the same species that live in a specific geographical area. A) Environment. B) Evolution. C) Biological diversity. D) Populations. Show Answer Correct Answer: D) Populations. 2. Trait that has evolved through natural selection to increase the fitness of an organism in its environment. Exaptation is a trait that evolved for one purpose but has been co-opted for different function. A) Natural Selection. B) Adaptation. C) Artificial Selection. D) Inbreeding. Show Answer Correct Answer: B) Adaptation. 3. What type of reproductive isolation is this example:Different Mating Rituals A) Behavioral Isolation. B) Geographic Isolation. C) Temporal Isolation. D) None of the above. Show Answer Correct Answer: A) Behavioral Isolation. 4. When has speciation occurred? A) When populations no longer look the same. B) When populations no longer have the same frequency of alleles. C) When populations are living in different environments. D) When populations can no longer interbreed. Show Answer Correct Answer: D) When populations can no longer interbreed. 5. Which of the following pieces of evolution evidence deals with structures common in embryos that form differently or for different purposes in adult form? A) Fossil record. B) Comparing embryology. C) Comparing biochemistry. D) Comparing anatomy. Show Answer Correct Answer: B) Comparing embryology. 6. Video Click HereWhich of the following main ideas is supported by the film? A) Feathered birds evolved after the extinction of the dinosaurs. B) Dinosaurs and birds are both warm-blooded (endothermic). C) Birds evolved one trait at a time. D) Only toothless birds survived the great extinction event 66 million years ago. Show Answer Correct Answer: D) Only toothless birds survived the great extinction event 66 million years ago. 7. Reindeer from a rancher in Alaska escape from their pen during an enormous snow storm. After their escape, they mate with wild caribou that are migrating across the land. The offspring of these have traits for short legs and have tame behavior. A) Gene Flow. B) Genetic Drift. C) Non-Random Mating. D) Natural Selection. Show Answer Correct Answer: A) Gene Flow. 8. Some mutations have a major positive or negative effect on an organism's phenotype. Many mutations, however, have no effect on phenotype. What are these mutations called? A) Neutral mutations. B) Point mutations. C) Inversion mutations. D) Reverse mutations. Show Answer Correct Answer: A) Neutral mutations. 9. What adaptation prevented moths from being eaten by birds? A) Camouflage coloring. B) Fast flying. C) Long necks. D) Bright colors. Show Answer Correct Answer: A) Camouflage coloring. 10. The science of grouping and naming organisms A) Phylogeny. B) Dichotomy. C) Taxonomy. D) Genetics. Show Answer Correct Answer: C) Taxonomy. 11. When a very small subgroup of a population forms its own population leading to a change in the genetics of the population. A) Genetic Drift. B) Natural Selection. C) Population Bottleneck. D) Founder Effect. Show Answer Correct Answer: C) Population Bottleneck. 12. A ..... can be used to support evolutionary relationships because the old and extinct specimen can be compared to current living species. A) Homologous Structure. B) Natural Selection. C) Vestigial Structure. D) Fossil. E) Bottle Neck effect. Show Answer Correct Answer: D) Fossil. 13. Structures that were once functional in the past but no longer serve a purpose due to evolutionary adaptations and physiological changes are referred to as ..... structures. A) Homologous structures. B) Analogous structures. C) Vestigial structures. D) None of these. Show Answer Correct Answer: C) Vestigial structures. 14. Scientists who find and study fossils are called ..... A) Paleontologists. B) Ecologists. C) All the above. D) None of the above. Show Answer Correct Answer: A) Paleontologists. 15. A genetically determined characteristic is known as A) Population. B) Fossil. C) Trait. D) Takis. Show Answer Correct Answer: C) Trait. 16. What is the result of selective breeding in plants of the genus Brassica? A) Increased leaf size. B) Different foods from plant components. C) Faster growth rate. D) Resistance to pests. Show Answer Correct Answer: B) Different foods from plant components. 17. Which of the following best explains why migration beneficial to populations of the same species? A) New individuals can contribute new and different genes. B) Populations will have less competition for resources. C) More organisms can acquire territory. D) None of the above. Show Answer Correct Answer: A) New individuals can contribute new and different genes. 18. Which is not true of Protista? A) Some are autotrophs. B) Some are heterotrophs. C) Paramecium are an example. D) They do not have internal membranes. Show Answer Correct Answer: D) They do not have internal membranes. 19. The appendix, tailbone, and wisdom teeth are all examples of what type of structure in humans? A) Homologous. B) Analogous. C) Vestigial. D) Modern. Show Answer Correct Answer: C) Vestigial. 20. A process of 2 or more species becoming more and more dissimilar. A) Convergent Evolution. B) Divergent Evolution. C) Coevolution. D) None of the above. Show Answer Correct Answer: B) Divergent Evolution. 21. Ostriches are birds that cannot fly, their wings are examples of A) Homologous structures. B) Vestigial structures. C) Adaptations. D) Traits. Show Answer Correct Answer: B) Vestigial structures. 22. According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the ..... A) Possession of adaptations developed through use. B) Possession of inherited adaptations that maximize fitness. C) Lack of competition within the species. D) Choices made by plant and animal breeders. Show Answer Correct Answer: B) Possession of inherited adaptations that maximize fitness. 23. What is the evolutionary theory which suggests that macroevolution resulted from random "good mutations." A) Punctuated equilibrium. B) Darwinism. C) Neo-Darwinism. D) Microevolution. Show Answer Correct Answer: C) Neo-Darwinism. 24. Darwin's finch beaks are an example of A) Adaptive radiation. B) Divergent evolution. C) Founder effect. D) Convergent evolution. Show Answer Correct Answer: A) Adaptive radiation. 25. Genetic variation A) Is accomplished with animals and plants breed outside their gene pool introducing new genes. B) Is accomplished when plants and animals breed within their gene pool keeping genes the same. C) All the above. D) None of the above. Show Answer Correct Answer: A) Is accomplished with animals and plants breed outside their gene pool introducing new genes. ← 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