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Home/MDCAT/MDCAT Biology Evolution Test Online

MDCAT Biology Evolution Test Online

Mustansar KhanLast Updated: May 27, 2025

MDCAT Biology Evolution Test

MDCAT Biology Evolution Chaper Online Test

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	MDCAT Entry Test Biology Online Test Interview Questions about Biology All Universities Entrance Test Recruitments Tests

MDCAT Biology Evolution MCQS Online Test

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1. Which of the following is not a concept of Neo-Darwinism?
Natural selection
Inheritance of acquired traits
Recombination
Mutation

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2. What type of evolution leads to similar structures in unrelated organisms?
Divergent evolution
Parallel evolution
Artificial selection
Convergent evolution

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3. What is the unit of evolution?
Population
Individual
Cell
Gene

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4. According to Lamarck, giraffes have long necks because:
They were born that way
They evolved in colder climates
They mutated randomly
They stretched their necks to reach food

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5. Which structure provides evidence of common ancestry?
Homologous structures
Analogous structures
Artificial limbs
Vestigial structures

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6. Which of the following scientists proposed the theory of natural selection?
Gregor Mendel
Jean-Baptiste Lamarck
Louis Pasteur
Charles Darwin

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7. Which of the following best defines evolution?
Rapid change of an individual
Movement of organisms
Gradual change in species over time
Sudden creation of new traits

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8. Which phrase best describes survival of the fittest?
Largest animals win
Best adapted organisms reproduce
Fastest runners survive
All traits are inherited

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9. Which concept is central to Darwin’s theory?
Acquired traits
Mutation
Cloning
Natural selection

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10. According to Darwin, more offspring are produced than can survive. This leads to:
Genetic uniformity
Competition for resources
Overpopulation only
Rapid extinction

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11. The human tailbone (coccyx) is an example of:
Functional structure
Evolutionary defect
Vestigial structure
Analogous structure

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12. Which of the following is a concept of Neo-Darwinism?
Use and disuse
Genetic mutations and natural selection
Inheritance of acquired traits
Universal ancestry

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13. The wings of a bat and the arms of a human are:
Mutated
Vestigial
Homologous
Analogous

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14. Fossil evidence supports evolution because it shows:
Progressive changes over time
Sudden species appearances
Genetic mutations
Differences in rocks

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15. What causes variation in populations according to Neo-Darwinism?
Mutation and recombination
Growth
Adaptation
Overpopulation

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16. Which term refers to organisms better suited to their environment surviving longer?
Natural selection
Artificial selection
Speciation
Mutation

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17. Which of the following is NOT a basic assumption of Darwin’s theory?
Variation exists
Struggle for existence
Survival of the fittest
Acquired traits are inherited

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18. Who co-discovered the theory of natural selection alongside Darwin?
Lyell
Wallace
Mendel
Lamarck

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19. Which of the following would most likely increase genetic variation?
Asexual reproduction
Mutation
Cloning
Uniform environment

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20. Which type of selection favors average traits?
Random selection
Directional selection
Disruptive selection
Stabilizing selection

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21. Which concept is central to Darwin’s theory of evolution?
Natural selection
Acquired characteristics
Spontaneous generation
Use and disuse

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22. Which term describes a trait that no longer serves a useful function?
Homologous
Vestigial
Analogous
Adaptive

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23. Which is an example of adaptive radiation?
Finches on Galapagos Islands
Alligators in swamps
Bacteria in petri dishes
Penguins in Antarctica

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24. What does the fossil record primarily show?
All organisms evolved in one era
Fossils are formed randomly
A complete history of all life
Changes in organisms over time

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25. Which of the following best explains why some organisms survive and reproduce better than others?
Equal reproductive chances
Smaller body size
Favorable inherited traits
Random luck

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26. What is a fossil?
Moon mineral
Meteor rock
Living organism
Preserved remains of ancient organisms

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27. Which scientist laid the foundation of genetics that supported Neo-Darwinism?
Mendel
Wallace
Lamarck
Darwin

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28. Which of the following is a vestigial organ in humans?
Appendix
Heart
Kidney
Liver

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29. Which of the following provides molecular evidence for evolution?
Fossilized bones
DNA and protein similarities
Embryonic stages
Homologous organs

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30. The similarity in bone structure of the forelimbs of whales, bats, and humans is due to:
Environmental similarities
Artificial selection
Homologous structures
Natural selection

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31. Which term refers to a random change in gene frequencies?
Genetic drift
Adaptation
Natural selection
Mutation

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32. What is the raw material of evolution?
Temperature
Mutation
Sunlight
Energy

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33. The inheritance of acquired characteristics is associated with:
Wallace
Darwin
Lamarck
Mendel

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34. Which structure is analogous to a bird’s wing?
Whale flipper
Insect wing
Human arm
Dog paw

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35. What is artificial selection?
Evolution in labs
Natural evolutionary change
Human-guided breeding for desired traits
Survival of the strongest

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36. Which group of animals is considered to have evolved from reptiles?
Fishes
Amphibians
Mammals
Birds

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37. Which of the following would NOT be considered a driving force of evolution?
Mutation
Photosynthesis
Genetic drift
Natural selection

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38. What causes speciation?
Continuous gene flow
Mating within the same species
Reproductive isolation
Shared habitats

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39. Which evidence of evolution is provided by embryology?
Climate change
Bone fossils
Mutations
Similar early development stages

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40. Which of the following is not evidence for evolution?
Astrology
Fossils
Homologous structures
Artificial selection

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41. Which theory explains the origin of species through gradual change?
Spontaneous generation
Gradualism
Intelligent design
Catastrophism

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Mustansar KhanLast Updated: May 27, 2025

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Mustansar Khan

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