MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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 |
| Answer» E. | |
| 2. |
Marine mollusca is also known as _____ |
| A. | Limpets |
| B. | Crabs |
| C. | Puppets |
| D. | Shrews |
| Answer» B. Crabs | |
| 3. |
How many peaks are there in the disruptive selection? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | No peaks |
| Answer» C. Three | |
| 4. |
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 |
| Answer» E. | |
| 5. |
In directional selection, the peak of the graph gets higher and narrower. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Directional selection is also known as ______ |
| A. | Position selection |
| B. | Progressive selection |
| C. | Retrogressive selection |
| D. | Main selection |
| Answer» C. Retrogressive selection | |
| 7. |
Mortality in babies is an example of ______ |
| A. | Disruptive selection |
| B. | Directional selection |
| C. | Stabilizing selection |
| D. | Abortion selection |
| Answer» D. Abortion selection | |
| 8. |
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 |
| Answer» B. Mean value changes | |
| 9. |
Which of the following is not included in natural selection? |
| A. | Stabilizing selection |
| B. | Directional selection |
| C. | Disruptive selection |
| D. | Technical selection |
| Answer» E. | |