Biology Evolution Online Mcqs Test

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Question 1

1. According to Lamarck, giraffes have long necks because:

Answer

They evolved in colder climates

Answer

They stretched their necks to reach food

Answer

They mutated randomly

Answer

They were born that way

Question 2

2. The similarity in bone structure of the forelimbs of whales, bats, and humans is due to:

Answer

Artificial selection

Answer

Natural selection

Answer

Environmental similarities

Answer

Homologous structures

Question 3

3. Which concept is central to Darwin’s theory?

Answer

Acquired traits

Answer

Natural selection

Question 4

4. Which term describes a trait that no longer serves a useful function?

Answer

Homologous

Question 5

5. Which is an example of adaptive radiation?

Answer

Bacteria in petri dishes

Answer

Finches on Galapagos Islands

Answer

Penguins in Antarctica

Answer

Alligators in swamps

Question 6

6. What causes speciation?

Answer

Shared habitats

Answer

Mating within the same species

Answer

Continuous gene flow

Answer

Reproductive isolation

Question 7

7. What does the fossil record primarily show?

Answer

Changes in organisms over time

Answer

All organisms evolved in one era

Answer

A complete history of all life

Answer

Fossils are formed randomly

Question 8

8. Which of the following is not evidence for evolution?

Answer

Homologous structures

Answer

Artificial selection

Question 9

9. The inheritance of acquired characteristics is associated with:

Question 10

10. Which of the following scientists proposed the theory of natural selection?

Answer

Louis Pasteur

Answer

Gregor Mendel

Answer

Charles Darwin

Answer

Jean-Baptiste Lamarck

Question 11

11. Which term refers to a random change in gene frequencies?

Answer

Natural selection

Answer

Genetic drift

Answer

Adaptation

Question 12

12. What is a fossil?

Answer

Meteor rock

Answer

Preserved remains of ancient organisms

Answer

Living organism

Answer

Moon mineral

Question 13

13. Which phrase best describes survival of the fittest?

Answer

Fastest runners survive

Answer

Largest animals win

Answer

Best adapted organisms reproduce

Answer

All traits are inherited

Question 14

14. The human tailbone (coccyx) is an example of:

Answer

Vestigial structure

Answer

Evolutionary defect

Answer

Analogous structure

Answer

Functional structure

Question 15

15. Which of the following would most likely increase genetic variation?

Answer

Uniform environment

Answer

Asexual reproduction

Question 16

16. Which structure is analogous to a bird’s wing?

Answer

Insect wing

Answer

Whale flipper

Question 17

17. What type of evolution leads to similar structures in unrelated organisms?

Answer

Artificial selection

Answer

Convergent evolution

Answer

Divergent evolution

Answer

Parallel evolution

Question 18

18. Which term refers to organisms better suited to their environment surviving longer?

Answer

Natural selection

Answer

Speciation

Answer

Artificial selection

Question 19

19. Which of the following best explains why some organisms survive and reproduce better than others?

Answer

Smaller body size

Answer

Equal reproductive chances

Answer

Random luck

Answer

Favorable inherited traits

Question 20

20. Which scientist laid the foundation of genetics that supported Neo-Darwinism?

Question 21

21. Which type of selection favors average traits?

Answer

Random selection

Answer

Directional selection

Answer

Disruptive selection

Answer

Stabilizing selection

Question 22

22. The wings of a bat and the arms of a human are:

Answer

Homologous

Question 23

23. Which group of animals is considered to have evolved from reptiles?

Answer

Amphibians

Question 24

24. Which of the following best defines evolution?

Answer

Rapid change of an individual

Answer

Sudden creation of new traits

Answer

Movement of organisms

Answer

Gradual change in species over time

Question 25

25. What causes variation in populations according to Neo-Darwinism?

Answer

Mutation and recombination

Answer

Adaptation

Answer

Overpopulation

Question 26

26. What is the unit of evolution?

Answer

Individual

Answer

Population

Question 27

27. Which evidence of evolution is provided by embryology?

Answer

Similar early development stages

Answer

Climate change

Answer

Bone fossils

Question 28

28. What is artificial selection?

Answer

Natural evolutionary change

Answer

Survival of the strongest

Answer

Human-guided breeding for desired traits

Answer

Evolution in labs

Question 29

29. Which theory explains the origin of species through gradual change?

Answer

Catastrophism

Answer

Spontaneous generation

Answer

Gradualism

Answer

Intelligent design

Question 30

30. Which of the following would NOT be considered a driving force of evolution?

Answer

Natural selection

Answer

Genetic drift

Answer

Photosynthesis

Question 31

31. Fossil evidence supports evolution because it shows:

Answer

Progressive changes over time

Answer

Genetic mutations

Answer

Sudden species appearances

Answer

Differences in rocks

Question 32

32. Which of the following is a vestigial organ in humans?

Question 33

33. According to Darwin, more offspring are produced than can survive. This leads to:

Answer

Overpopulation only

Answer

Genetic uniformity

Answer

Rapid extinction

Answer

Competition for resources

Question 34

34. Which concept is central to Darwin’s theory of evolution?

Answer

Use and disuse

Answer

Acquired characteristics

Answer

Spontaneous generation

Answer

Natural selection

Question 35

35. Which of the following is not a concept of Neo-Darwinism?

Answer

Recombination

Answer

Natural selection

Answer

Inheritance of acquired traits

Question 36

36. Which structure provides evidence of common ancestry?

Answer

Artificial limbs

Answer

Vestigial structures

Answer

Analogous structures

Answer

Homologous structures

Question 37

37. Which of the following is a concept of Neo-Darwinism?

Answer

Genetic mutations and natural selection

Answer

Inheritance of acquired traits

Answer

Use and disuse

Answer

Universal ancestry

Question 38

38. Who co-discovered the theory of natural selection alongside Darwin?

Question 39

39. What is the raw material of evolution?

Answer

Temperature

Question 40

40. Which of the following provides molecular evidence for evolution?

Answer

DNA and protein similarities

Answer

Homologous organs

Answer

Embryonic stages

Answer

Fossilized bones

Question 41

41. Which of the following is NOT a basic assumption of Darwin’s theory?

Answer

Survival of the fittest

Answer

Struggle for existence

Answer

Acquired traits are inherited

Answer

Variation exists

Question 42

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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:	Biology Test MDCAT Test FPSC/PPSC/SPSC/KPPSC/BPSC/AJKPSC/NTS Biology Interview Question Answer Universities Entrance Test

Biology Evolution Online Mcqs Test

Important Biology Evolution Question and Answer

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Important Biology Evolution Question and Answer

Biology Evolution Practice Test Online With Explanation

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Key Preparation Tips:

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