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
Question 2
Gene drift occurs when gene migration occurs ______
A. by chance
B. spontaneously
C. slowly
D. due to disaster
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
Question 4
How many factors affect the Hardy Weinberg principle?
A. Six
B. Four
C. Seven
D. Five
Question 5
How many peaks are there in the disruptive selection?
A. One
B. Two
C. Three
D. No peaks
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
Question 7
Marine mollusca is also known as _____
A. Limpets
B. Crabs
C. Puppets
D. Shrews
Question 8
Mortality in babies is an example of ______
A. Disruptive selection
B. Directional selection
C. Stabilizing selection
D. Abortion selection
Question 9
The difference in frequency indicates the extent of evolutionary change.
A. True
B. False
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
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
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
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
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
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
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
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
Question 18
Which of the following is not included in natural selection?
A. Stabilizing selection
B. Directional selection
C. Disruptive selection
D. Technical selection