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Hardy-Weinberg Principle MCQ Questions & Answers

Hardy-Weinberg Principle MCQs : This section focuses on the "Hardy-Weinberg Principle". These Multiple Choice Questions (MCQs) should be practiced to improve the Hardy-Weinberg Principle skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Directional selection is also known as ______

A. Position selection
B. Progressive selection
C. Retrogressive selection
D. Main selection

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Question 2

Gene drift occurs when gene migration occurs ______

A. by chance
B. spontaneously
C. slowly
D. due to disaster

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Question 3

How does shell pattern in limpets show disruptive selection?

A. The shell pattern is yellowish and discontinuous
B. Light-colored limpets were preyed
C. Tan colored limpets were preyed
D. Intermediate colored limpets were preyed

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Question 4

How many factors affect the Hardy Weinberg principle?

A. Six
B. Four
C. Seven
D. Five

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Question 5

How many peaks are there in the disruptive selection?

A. One
B. Two
C. Three
D. No peaks

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Question 6

It is known that the total sum of all the frequencies of the allele is _____

A. one
B. two
C. three
D. four

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Question 7

Marine mollusca is also known as _____

A. Limpets
B. Crabs
C. Puppets
D. Shrews

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Question 8

Mortality in babies is an example of ______

A. Disruptive selection
B. Directional selection
C. Stabilizing selection
D. Abortion selection

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Question 9

The difference in frequency indicates the extent of evolutionary change.

A. True
B. False

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Question 10

The process when some species migrate from the original to a new place, which in turn changes the allele frequency is called ______

A. Gene drift
B. Gene migration
C. Gene travel
D. Genetic recombination

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Question 11

What happens during disruptive selection?

A. Three peaks are formed
B. Extreme value gets rejected
C. Average value gets selected
D. Members of both extreme are selected

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Question 12

What results in the formation of new phenotypes?

A. Pre-existing helpful mutations
B. Post-existing helpful mutations
C. Pre-existing disadvantageous mutations
D. Post-existing advantageous mutations

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Question 13

Which is the correct statement regarding Founder effect?

A. Named after the scientist John Founder
B. No large change in frequency
C. The old population become founders
D. Formation of new species

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Question 14

Which of the following are properties of stabilizing selection?

A. Operates in a constant environment
B. Mean value changes
C. Peak gets lower and wider
D. Favors the complex phenotype

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Question 15

Which of the following does not belong to factors affecting the Hardy Weinberg principle?

A. Gene migration
B. Genetic drift
C. Genetic drop
D. Mutation

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Question 16

Which of the following does not belong to the Hardy Weinberg principle?

A. Frequency remained fixed through generations
B. Used algebraic equations
C. Allele frequency varies from species
D. Gene pool remains a constant

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Question 17

Which of the following represents the Hardy Weinberg equation?

A. p2 + q2 = 1
B. p2 + 2pq + q2 = 1
C. p2 + q2 = 0
D. (p2 + q2)2 = 1

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Question 18

Which of the following is not included in natural selection?

A. Stabilizing selection
B. Directional selection
C. Disruptive selection
D. Technical selection

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