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Class 12 Biology Chapter 7 Evolution Quiz 29 (25 MCQs)

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1. Animals in which of the following locations will most likely have originated from a common ancestor.
2. What does the fossil record provide evidence for?
3. The sickle cell trait
4. Which represents biochemical evidence for evolution?
5. Which of these answers best describes the relationship between a human's forearm and a bat's wing?
6. Miller's classic experiment demonstrated that a discharge of sparks through a mixture of gases could result in the formation of a large variety of organic compounds in the EARLY earth's atmosphere. Miller used all of the following gases in his experiment EXCEPT
7. Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
8. Paleozoic, Mesozoic and Cenozoic are all?
9. Natural selection results in change over time by acting on traits that are
10. The process of crossing genetically different individuals to produce offspring.-Increase the heterozygous alleles-Two different species are involved-Alleles of offspring are much different from their parents.-Less probability of genetic mutation.
11. Which word is defined as the same structure in different species indicating a common ancestor?
12. Which type of adaptation involves internal body processes?
13. If a species can no longer produce offspring they will go extinct
14. Who proposed the theory of natural selection as a mechanism for evolution?
15. Group of organisms all of the same species, living in the same place at the same time.
16. The more ..... two structures are to each other, the more likely it is that the species have evolved form a recent common ancestor.
17. Which statement best describes the process of evolution?
18. What is another name for natural selection?
19. In Darwin's thinking, the more closely related two different organisms are, the
20. The Tasmanian devil is a marsupial that resembles the North America wolf, which is a mammal. These do not have a common ancestor but have taken on similar forms. WHat type of evolution does this show?
21. ..... :Structures shared by 2 or more species as a result of adaptation in a similar environments
22. Is a process in which the genetic information of an organism changes due to errors that occur during DNA replication, recombination, or repair. It is one of the primary sources of genetic variation, which is the raw material for evolution
23. Body parts in organisms that have the same functions, but have different structures
24. Some birds fly south for the winter. What type of adaptation is this?
25. Scientist who believed that overpopulation leads to war, starvation, and disease
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