This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 7 Evolution – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 17 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does molecular biology provide evidence for evolution? A) By comparing the embryonic development of different organisms. B) By analyzing the fossil record of ancient organisms. C) By examining similarities in DNA sequences among different species. D) By studying the distribution of species across different regions. Show Answer Correct Answer: C) By examining similarities in DNA sequences among different species. 2. In the Hardy Weinberg Principle, what does p$^{2 }$stand for? A) Expected frequency of homozygous dominant genotype. B) Expected frequency of heterozygous genotype. C) Expected frequency of homozygous recessive genotype. D) None of the above. Show Answer Correct Answer: A) Expected frequency of homozygous dominant genotype. 3. The fossil record shows that: A) Most species have not evolved. B) Some species are evolutionary transitions between major groups of organisms. C) All species are today just as they were when they were created. D) All of the above. Show Answer Correct Answer: B) Some species are evolutionary transitions between major groups of organisms. 4. Dark-colored moths survived more often after the Industrial Revolution because: A) They were better camouflaged against polluted, darkened trees. B) They ate different food than light-colored moths. C) They reproduced more quickly than light-colored moths. D) They could fly faster than light-colored moths. Show Answer Correct Answer: A) They were better camouflaged against polluted, darkened trees. 5. Which of the following is not a principle of natural selection? A) Competition for resources. B) Variation via mutations. C) Older organisms are more wise. D) Adaptations. Show Answer Correct Answer: C) Older organisms are more wise. 6. Which of the following was NOT a part of Darwin's theory of evolution? A) The idea that organisms change over time. B) The idea that organisms share common ancestors. C) The idea that organisms best adapted to their environment tend to survive and reproduce. D) The idea that organisms pass on acquired characteristics during their lifetime to offspring. Show Answer Correct Answer: D) The idea that organisms pass on acquired characteristics during their lifetime to offspring. 7. True or False:Humans DNA contains the gene that codes for the enzyme to make Vitamin C, but it is nonfunctional. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. A species of bird are similar but vary on nearby group of tropical islands. This is an example. A) Species vary globally. B) Species vary locally. C) Species vary over time. D) None of the above. Show Answer Correct Answer: B) Species vary locally. 9. In the Hardy Weinberg Principle, what does q$^{2 }$stand for? A) Expected frequency of homozygous dominant genotype. B) Expected frequency of heterozygous genotype. C) Expected frequency of homozygous recessive genotype. D) None of the above. Show Answer Correct Answer: C) Expected frequency of homozygous recessive genotype. 10. What is an example of artificial selection? A) Letting dogs choose their own mate. B) Letting plants pollinate on their own. C) Crossing a labrador and a poodle to create a labradoodle. D) None of the above. Show Answer Correct Answer: C) Crossing a labrador and a poodle to create a labradoodle. 11. In binomial nomenclature, the name of any organism is made up of its A) Kingdom and phylum. B) Family and genus. C) Class and order. D) Genus and species. Show Answer Correct Answer: D) Genus and species. 12. Which of the following have a similar structures but have a different function in each organism and are considered homologous structures? A) A dolphin fin and a shark fin. B) Human fingernails and monkey fingernails. C) Front leg of a cat and the wing of a bat. D) The wing of a bumble bee and the wing of a bird. Show Answer Correct Answer: C) Front leg of a cat and the wing of a bat. 13. Which term means that only the best suited organisms will survive and reproduce? A) Extinction. B) Evolution. C) Natural selection. D) Geographic isolation. Show Answer Correct Answer: C) Natural selection. 14. Evolution is a scientific theory because A) It is supported by data through repeated observation and experiment. B) It is the best guess as to how species change over time. C) It is an educated guess. D) It has been proven to correct. Show Answer Correct Answer: A) It is supported by data through repeated observation and experiment. 15. Looking at the similarities in development between different organisms would be an example of which piece of evidence? A) Palentology. B) Cytology. C) Structure Analysis. D) Embryology. Show Answer Correct Answer: D) Embryology. 16. Interactions between two organisms A) Relationship. B) Trait. C) Natural selection. D) Genetic. Show Answer Correct Answer: A) Relationship. 17. Monkeys and apes have blood proteins more similar to each other than either is to the blood proteins of horses. What does this similarity suggest about monkeys and apes as compared to horses? A) Only monkeys and apes can interbreed. B) Monkeys and apes live in the same habitat. C) Monkeys and apes share a more recent common ancestor. D) Monkeys and apes evolved at the same time. Show Answer Correct Answer: C) Monkeys and apes share a more recent common ancestor. 18. Decomposers get energy from ..... A) The sun. B) Eating plants. C) Eating animals. D) Dead things and waste. Show Answer Correct Answer: D) Dead things and waste. 19. What type of evidence for evolution is provided by the fossil record? A) It shows the direct lineage of all living species. B) It provides a chronological record of past life forms. C) It demonstrates that all species have remained unchanged. D) It proves that dinosaurs and humans coexisted. Show Answer Correct Answer: B) It provides a chronological record of past life forms. 20. Animals are able to pick and choose their adaptations. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Unrelated species become more and more similar as they adapt to the same kind of environment. A) Divergent Evolution. B) Convergent Evolution. C) Coevolution. D) None of the above. Show Answer Correct Answer: B) Convergent Evolution. 22. What are the five conditions required for Hardy-Weinberg equilibrium? A) Small population size, No migration, No mutation, Random mating, No natural selection. B) Large population size, High migration rate, High mutation rate, Random mating, No natural selection. C) Large population size, No migration, High mutation rate, Random mating, No natural selection. D) Large population size, No migration, No mutation, Random mating, No natural selection. Show Answer Correct Answer: D) Large population size, No migration, No mutation, Random mating, No natural selection. 23. How does gene flow impact genetic diversity in a population? A) Gene flow only impacts genetic diversity in small populations. B) Gene flow decreases genetic diversity in a population. C) Gene flow increases genetic diversity in a population. D) Gene flow has no impact on genetic diversity in a population. Show Answer Correct Answer: C) Gene flow increases genetic diversity in a population. 24. Also explores the different mechanisms that drive evolutionary change, including natural selection, genetic drift, and gene flow. These processes can shape the diversity of traits within and between populations, leading to the emergence of new species and the extinction of others. A) Evolutionary processes. B) Phylogenetics. C) Adaptations. D) Biodiversity. Show Answer Correct Answer: A) Evolutionary processes. 25. During the long voyage, Darwin visited tropical rainforests and other new habitats where he saw many plants and animals he had never seen before. What did this prove to him? A) That life was very diverse. B) That life was similar everywhere. C) All the above. D) None of the above. Show Answer Correct Answer: A) That life was very diverse. 26. True or False:Natural selection can create new traits in a species. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 27. Why did Darwin finally publish his findings after 20 years of research? A) His wife told him to. B) Another scientist published similar findings. C) He thought he was wrong. D) None of the above. Show Answer Correct Answer: B) Another scientist published similar findings. 28. Which of these is not part of Darwin's Theory of Natural Selection? A) Struggle for existence. B) Inheritance of acquired traits. C) Survival of the fittest. D) Variation and adaptation. Show Answer Correct Answer: D) Variation and adaptation. 29. ..... is when processes that can lead to populations separating from each other, preventing mating A) Founder Effect. B) Gene Pool. C) Genetic Drift. D) Isolating Mechanisms. E) Bottleneck Effect. Show Answer Correct Answer: D) Isolating Mechanisms. 30. Which of the following terms describes this group of creatures:slime molds, diatoms, red algae. A) Archaea. B) Methanogens. C) Bacteria. D) Protists. Show Answer Correct Answer: D) Protists. 31. The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they ..... A) Belong to the same species. B) Have very similar skeletal structures. C) Must range great distances to eat. D) Are descended from a common ancestor. Show Answer Correct Answer: D) Are descended from a common ancestor. 32. Which of the following best explains the concept of adaptive radiation? A) The gradual change in a species over time. B) The development of similar traits in unrelated species due to similar environments. C) The extinction of a large number of species within a short period. D) The process by which a single species evolves into several different forms that live in different ways. Show Answer Correct Answer: D) The process by which a single species evolves into several different forms that live in different ways. 33. Organisms from which kingdom are most likely to chemically digest their food outside their bodies? A) Protists. B) Animal. C) Plant. D) Fungus. Show Answer Correct Answer: D) Fungus. 34. -date minerals that contain potassium A) POTASSIUM-ARGON DATING. B) CARBON-DATING. C) AMBER. D) RADIOMETRIC DATING. Show Answer Correct Answer: A) POTASSIUM-ARGON DATING. 35. Every so often, the yellow butterflies that live in a pine forest have a red offspring. The red butterflies are more likely to be seen and eaten by predators, and are less likely to survive and reproduce. This process is known as ..... A) Evidence. B) Mutation. C) Variation. D) Natural selection. Show Answer Correct Answer: D) Natural selection. 36. The formation of complex structures, like the eye, can be readily explained byevolution. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 37. Entrapment, preserved wholly A) TRACKWAY-. B) UNDER TRACK. C) TRACK INFILLS. D) AMBER. Show Answer Correct Answer: D) AMBER. 38. Which of the following statements summarizes the results of our lab? A) Bacteria with resistance were better able to survive, and they passed on this trait to their offspring. B) Bacteria with resistance were able to live longer and did not need to reproduce. C) Bacteria with resistance learned how to survive and taught their offspring how to survive too. D) Bacteria with resistance reproduced much faster than normal bacteria in all conditions. Show Answer Correct Answer: A) Bacteria with resistance were better able to survive, and they passed on this trait to their offspring. 39. The condition in which there are barriers to successful interbreeding between individuals of different species in the same community is referred to as A) Reproductive isolation. B) Geographic isolation. C) Sexual dependency. D) Adaptive radiation. Show Answer Correct Answer: A) Reproductive isolation. 40. Which scientist discovered the concept of natural selection simultaneously with Darwin? A) Darwin. B) Lamarck. C) Lyell. D) Wallace. Show Answer Correct Answer: D) Wallace. 41. Darwin theorized that individuals having an advantage due to their traits or abilities will be more likely to survive and reproduce. This theory is known as A) Evolution. B) Adaptation. C) Natural selection. D) Speciation. Show Answer Correct Answer: C) Natural selection. 42. Change in a population over time that descend from a common ancestor. A) Homeostasis. B) Selective Breeding. C) Natural Selection. D) Evolution. Show Answer Correct Answer: D) Evolution. 43. How do we know when speciation has occurred? A) Two organisms of different species can produce offspring. B) Two organisms of the same species no longer live in the same area. C) When two organisms in the same species can no longer produce fertile offspring. D) Mutations occur and we see it in their DNA. Show Answer Correct Answer: C) When two organisms in the same species can no longer produce fertile offspring. 44. Bacteria can form ..... to protect itself from harsh conditions. A) Spores. B) Mushrooms. C) Endospores. D) Armor. Show Answer Correct Answer: C) Endospores. 45. Represents the incidence of a gene variant in a population A) Gene pool. B) Allele frequency. C) Alleles. D) Cladogram. Show Answer Correct Answer: B) Allele frequency. 46. The study of the evolutionary relationships among organisms is called ..... A) Taxonomy. B) Domainology. C) Phylogeny. D) Binomial nomenclature. Show Answer Correct Answer: C) Phylogeny. 47. In a book he argued that gradual geological processes have gradually shaped Earth's surface. A) Thomas Malthus. B) Charles Lyell. C) All the above. D) None of the above. Show Answer Correct Answer: B) Charles Lyell. 48. It is hypothesized that eukaryotic features evolved from prokaryotic cells when smaller prokaryotic cells, the precursors of mitochondria and plastids, began living within larger cells. This model is referred to as: A) Metabolism. B) Endosymbiosis. C) Adaptive radiation. D) Deep time. Show Answer Correct Answer: B) Endosymbiosis. 49. Which of these are the ingredients NEEDED for life to form? A) Inorganic molecules. B) Atoms. C) Methane. D) Organic macromolecules. Show Answer Correct Answer: D) Organic macromolecules. 50. Which type of adaptation involves actions that help survival? A) Structural. B) Behavioral. C) Physiological. D) None of the above. Show Answer Correct Answer: B) Behavioral. 51. What is the role of reproductive isolation in evolution? A) It contributes to speciation. B) It causes homologous structures. C) It prevents species from splitting. D) It leads to genetic drift. Show Answer Correct Answer: A) It contributes to speciation. 52. Natural selection can also be referred to as: A) Survival of the weakest. B) Survival. C) Artificial selection. D) Survival of the fittest. Show Answer Correct Answer: D) Survival of the fittest. 53. A species of frog has inhabited the tropical rain forest of South America for the past one million years. Which two factors would tend to disrupt the gene pool stability of this frog population? A) Low mutation rate and random mating. B) High mutation rate and numerous migrations. C) Low mutation rate and no migrations. D) Large population random mating. Show Answer Correct Answer: B) High mutation rate and numerous migrations. 54. Which is an example of temporal isolation? A) Flowers that bloom in different months. B) Birds that have different mating calls. C) Fruit flies that mate in different locations. D) Squirrels that have different fur colors. Show Answer Correct Answer: A) Flowers that bloom in different months. 55. Video Click HereWhat evidence did Jack Horner find in 1978 that helped link dinosaurs to birds? A) Dinosaurs used nests with eggs and cared for the young. B) Dinosaurs had strong bones. C) Dinosaurs ate many insects and plants. D) Dinosaurs have wishbones. Show Answer Correct Answer: A) Dinosaurs used nests with eggs and cared for the young. 56. The Tasmanian devil is a marsupial that resembles the North America wolf, which is a placental mammal. A) Convergent evolution. B) Founder effect. C) Adaptive radiation. D) Divergent evolution. Show Answer Correct Answer: A) Convergent evolution. 57. A founding population of lizards arrives on an island. Which type of isolation would MOST LIKELY result in this population becoming a new species? A) Anatomical. B) Behavioral. C) Geographical. D) Temporal. Show Answer Correct Answer: C) Geographical. 58. What are trace fossils? A) A fossil copy of an organism in a rock. B) Is the preserved evidence of the activity of an organism. C) The impression of an organism. D) Is made up of all the fossils ever discovered on Earth. Show Answer Correct Answer: B) Is the preserved evidence of the activity of an organism. 59. Why is Earth's atmosphere important? A) It is beautiful. B) Life on Mars could not exist without it. C) Life on Earth could not exist without it. D) It prevents pollution from happening. Show Answer Correct Answer: C) Life on Earth could not exist without it. 60. Which kind of a structure is it? A whale's pelvis A) Homologous. B) Vestigial. C) Pharygeal Pouch. D) Analogous. Show Answer Correct Answer: B) Vestigial. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books