Biology Evolution Online Mcqs Test

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Question 1

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

Answer

Uniform environment

Answer

Asexual reproduction

Question 2

2. Which phrase best describes survival of the fittest?

Answer

Fastest runners survive

Answer

All traits are inherited

Answer

Largest animals win

Answer

Best adapted organisms reproduce

Question 3

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

Question 4

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

Answer

Whale flipper

Answer

Insect wing

Question 5

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

Answer

Smaller body size

Answer

Random luck

Answer

Equal reproductive chances

Answer

Favorable inherited traits

Question 6

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

Answer

Variation exists

Answer

Survival of the fittest

Answer

Acquired traits are inherited

Answer

Struggle for existence

Question 7

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

Answer

Overpopulation

Answer

Adaptation

Answer

Mutation and recombination

Question 8

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

Answer

Artificial selection

Answer

Convergent evolution

Answer

Parallel evolution

Answer

Divergent evolution

Question 9

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

Answer

Homologous structures

Answer

Artificial selection

Question 10

10. The inheritance of acquired characteristics is associated with:

Question 11

11. Which evidence of evolution is provided by embryology?

Answer

Climate change

Answer

Bone fossils

Answer

Similar early development stages

Question 12

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

Answer

DNA and protein similarities

Answer

Fossilized bones

Answer

Embryonic stages

Answer

Homologous organs

Question 13

13. What is the unit of evolution?

Answer

Individual

Answer

Population

Question 14

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

Answer

Inheritance of acquired traits

Answer

Recombination

Answer

Natural selection

Question 15

15. What is a fossil?

Answer

Preserved remains of ancient organisms

Answer

Living organism

Answer

Moon mineral

Answer

Meteor rock

Question 16

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

Answer

They stretched their necks to reach food

Answer

They were born that way

Answer

They evolved in colder climates

Answer

They mutated randomly

Question 17

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

Answer

Natural selection

Answer

Speciation

Answer

Artificial selection

Question 18

18. Which structure provides evidence of common ancestry?

Answer

Artificial limbs

Answer

Analogous structures

Answer

Vestigial structures

Answer

Homologous structures

Question 19

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

Answer

Amphibians

Question 20

20. What is the raw material of evolution?

Answer

Temperature

Question 21

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

Answer

Use and disuse

Answer

Natural selection

Answer

Acquired characteristics

Answer

Spontaneous generation

Question 22

22. What causes speciation?

Answer

Reproductive isolation

Answer

Continuous gene flow

Answer

Mating within the same species

Answer

Shared habitats

Question 23

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

Answer

Gregor Mendel

Answer

Louis Pasteur

Answer

Jean-Baptiste Lamarck

Answer

Charles Darwin

Question 24

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

Answer

Overpopulation only

Answer

Rapid extinction

Answer

Competition for resources

Answer

Genetic uniformity

Question 25

25. What does the fossil record primarily show?

Answer

Changes in organisms over time

Answer

A complete history of all life

Answer

Fossils are formed randomly

Answer

All organisms evolved in one era

Question 26

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

Answer

Adaptation

Answer

Natural selection

Answer

Genetic drift

Question 27

27. What is artificial selection?

Answer

Natural evolutionary change

Answer

Human-guided breeding for desired traits

Answer

Survival of the strongest

Answer

Evolution in labs

Question 28

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

Answer

Natural selection

Answer

Acquired traits

Question 29

29. Which is an example of adaptive radiation?

Answer

Finches on Galapagos Islands

Answer

Alligators in swamps

Answer

Bacteria in petri dishes

Answer

Penguins in Antarctica

Question 30

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

Answer

Homologous

Question 31

31. Fossil evidence supports evolution because it shows:

Answer

Progressive changes over time

Answer

Genetic mutations

Answer

Differences in rocks

Answer

Sudden species appearances

Question 32

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

Answer

Natural selection

Answer

Homologous structures

Answer

Artificial selection

Answer

Environmental similarities

Question 33

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

Question 34

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

Answer

Inheritance of acquired traits

Answer

Universal ancestry

Answer

Use and disuse

Answer

Genetic mutations and natural selection

Question 35

35. Which of the following best defines evolution?

Answer

Rapid change of an individual

Answer

Movement of organisms

Answer

Gradual change in species over time

Answer

Sudden creation of new traits

Question 36

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

Answer

Photosynthesis

Answer

Genetic drift

Answer

Natural selection

Question 37

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

Answer

Intelligent design

Answer

Gradualism

Answer

Catastrophism

Answer

Spontaneous generation

Question 38

38. Which type of selection favors average traits?

Answer

Random selection

Answer

Directional selection

Answer

Disruptive selection

Answer

Stabilizing selection

Question 39

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

Answer

Homologous

Question 40

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

Answer

Functional structure

Answer

Vestigial structure

Answer

Analogous structure

Answer

Evolutionary defect

Question 41

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

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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