This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 7 Evolution – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 7 Evolution Quiz 40 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A structure that is anatomically and genetically similar between organisms belonging to different species. A) Homologous Structure. B) Analogous Structure. C) Vestigial Structure. D) Archaic Structure. Show Answer Correct Answer: A) Homologous Structure. 2. From Malthus, Darwin knew that populations could grow faster than their resources. This "overproduction of offspring" led to a " ..... , " in Darwin's words. A) Struggle for existence. B) Search for fitness. C) All the above. D) None of the above. Show Answer Correct Answer: A) Struggle for existence. 3. All species have a common origin, and they may change through time. A) Evolution. B) Theory of Evolution. C) Theory of Transformism. D) Theory of Seperate Creation. Show Answer Correct Answer: A) Evolution. 4. When animals have to adapt to their environment in order to survive ..... this is known as: A) Struggle for Existence. B) Survival of the Fittest. C) Descent with Modification. D) Adaptation. Show Answer Correct Answer: D) Adaptation. 5. How old do Paleontologists believe the Earth is? A) 2015 years old. B) 3.6 billion years old. C) 4.6 billion years old. D) 4.6 million years old. Show Answer Correct Answer: C) 4.6 billion years old. 6. How does molecular biology provide evidence for evolution? A) By studying the distribution of species across different regions. B) By examining similarities in DNA sequences among different species. C) By analyzing the fossil record of ancient organisms. D) By comparing the embryonic development of different organisms. Show Answer Correct Answer: B) By examining similarities in DNA sequences among different species. 7. 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. 8. 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. 9. Dark-colored moths survived more often after the Industrial Revolution because: A) They were better camouflaged against polluted, darkened trees. B) They could fly faster than light-colored moths. C) They ate different food than light-colored moths. D) They reproduced more quickly than light-colored moths. Show Answer Correct Answer: A) They were better camouflaged against polluted, darkened trees. 10. Which of the following is not a principle of natural selection? A) Competition for resources. B) Older organisms are more wise. C) Variation via mutations. D) Adaptations. Show Answer Correct Answer: B) Older organisms are more wise. 11. 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. 12. 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. 13. 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. 14. 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. 15. 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. 16. 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. 17. 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. 18. Which term means that only the best suited organisms will survive and reproduce? A) Geographic isolation. B) Extinction. C) Natural selection. D) Evolution. Show Answer Correct Answer: C) Natural selection. 19. 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. 20. Looking at the similarities in development between different organisms would be an example of which piece of evidence? A) Palentology. B) Embryology. C) Cytology. D) Structure Analysis. Show Answer Correct Answer: B) Embryology. 21. Interactions between two organisms A) Relationship. B) Genetic. C) Trait. D) Natural selection. Show Answer Correct Answer: A) Relationship. 22. Gene Flow A) Pollen transfer. B) Flood. C) Migration. D) None of the above. Show Answer Correct Answer: A) Pollen transfer. 23. 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. 24. 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. 25. 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. ← 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