MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is a biotic succession occurring in the barren area where there once life existed called? |
| A. | Secondary succession |
| B. | Primary succession |
| C. | Tertiary succession |
| D. | Quaternary succession |
| Answer» B. Primary succession | |
| 2. |
What is a biotic succession occurring on a previously unoccupied or bare land called? |
| A. | Quaternary succession |
| B. | Secondary succession |
| C. | Tertiary succession |
| D. | Primary succession |
| Answer» E. | |
| 3. |
How many types do an ecological succession has? |
| A. | Three types |
| B. | Two types |
| C. | Four types |
| D. | Five types |
| Answer» C. Four types | |
| 4. |
Which factors influence a biotic community? |
| A. | Biotic and chemical factors only |
| B. | Biotic and geographical factors only |
| C. | Biotic, physicochemical and geographical factors |
| D. | Geographical factors only |
| Answer» D. Geographical factors only | |
| 5. |
How were the processes of succession and evolution millions of years ago? |
| A. | Perpendicular |
| B. | Parallel |
| C. | Intersecting |
| D. | Random |
| Answer» C. Intersecting | |
| 6. |
How many years has succession occurred so that the present-day communities are observed? |
| A. | 10 years |
| B. | 2 years |
| C. | Millions of years |
| D. | Hundreds of years |
| Answer» D. Hundreds of years | |
| 7. |
How are seral stages when there is an increase in the number of species, change in the diversity of species and an increase in the total biomass? |
| A. | Disordered |
| B. | Random |
| C. | Alternative |
| D. | Successive |
| Answer» E. | |
| 8. |
What is a seral community alternatively called? |
| A. | Seral succession |
| B. | Seral ecosystem |
| C. | Seral stage |
| D. | Seral issues |
| Answer» D. Seral issues | |
| 9. |
What are the individual transitional communities called? |
| A. | Seral issues |
| B. | Seral succession |
| C. | Seral ecosystem |
| D. | Seral communities |
| Answer» E. | |
| 10. |
What is the successively changing sequence of communities in a given area called? |
| A. | Succession |
| B. | Sere |
| C. | Issue |
| D. | Community |
| Answer» C. Issue | |
| 11. |
What phenomenon occurs during an ecological succession? |
| A. | All species disappear |
| B. | All species survive |
| C. | Some species grow while other species decline |
| D. | Species grow at the same rate |
| Answer» D. Species grow at the same rate | |
| 12. |
What is the predictable and gradual change in the species composition of a given area called? |
| A. | Environmental issues |
| B. | Climax community |
| C. | Pioneer community |
| D. | Ecological succession |
| Answer» E. | |
| 13. |
What do the changes in a community that is in near equilibrium with the environment lead to the formation of? |
| A. | Mixed community |
| B. | Climax community |
| C. | Total community |
| D. | Naive community |
| Answer» C. Total community | |
| 14. |
How is the change in communities? |
| A. | Orderly and sequential |
| B. | Parallel |
| C. | Perpendicular |
| D. | Random |
| Answer» B. Parallel | |
| 15. |
Which of the following is an important characteristic of all communities? |
| A. | All individuals grow at the same rate |
| B. | Composition and structure constantly changes |
| C. | Composition and structure remains constant |
| D. | Communities are static in nature |
| Answer» C. Composition and structure remains constant | |