MCQOPTIONS
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MCQOPTIONS
This section includes 11 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 would happen if the Western Ghats ecosystems are less functional? |
| A. | No harm to the ecosystem function |
| B. | Ecosystem function is not changed |
| C. | Ecosystem function is the same |
| D. | Ecosystem is damaged |
| Answer» E. | |
| 2. |
What will happen if instead of 20,000 we have 100,000 species of frogs on Earth? |
| A. | Little threat to the ecosystem |
| B. | Serious threat to the safety of the ecosystem |
| C. | Ecosystem remains unchanged |
| D. | No threat to the ecosystem |
| Answer» C. Ecosystem remains unchanged | |
| 3. |
What will happen if instead of 20,000 we have only 15,000 species of birds on Earth? |
| A. | No threat to the ecosystem |
| B. | Little threat to the ecosystem |
| C. | Serious threat to the safety of the ecosystem |
| D. | Ecosystem remains unchanged |
| Answer» D. Ecosystem remains unchanged | |
| 4. |
What will happen if key species that drive major ecosystem functions are lost? |
| A. | No threat to the ecosystem |
| B. | Serious threat to the safety of the ecosystem |
| C. | Little threat to the ecosystem |
| D. | Ecosystem remains unchanged |
| Answer» C. Little threat to the ecosystem | |
| 5. |
What is considered as the rivet in the Rivet popper hypothesis ? |
| A. | Ecosystem |
| B. | Community |
| C. | Species |
| D. | Individual |
| Answer» D. Individual | |
| 6. |
An ecosystem is joined by thousands of species, if a problem occurs causing a species to become extinct, it may not affect the proper functioning of the ecosystem initially, but as more and more species are removed, the ecosystem becomes dangerously weak over a period of time. Which hypothesis gave this sentence? |
| A. | Old planetesimal hypothesis |
| B. | Oparin-Haldane hypothesis |
| C. | New planetesimal hypothesis |
| D. | Rivet popper hypothesis |
| Answer» E. | |
| 7. |
Who gave the Rivet popper hypothesis ? |
| A. | Karl Correns |
| B. | Robert Hooke |
| C. | Paul Ehrlich |
| D. | Louis Pasteur |
| Answer» D. Louis Pasteur | |
| 8. |
For what reason is rich biodiversity important? |
| A. | Community issues |
| B. | Ecosystem health |
| C. | Ecological issues |
| D. | Community problems |
| Answer» C. Ecological issues | |
| 9. |
What did David Tilman s experimental plot show? |
| A. | More variation in productivity |
| B. | Fewer species showed less variation |
| C. | More variation from year-to-year in the total biomass |
| D. | More species showed less variation from year-to-year in the total biomass |
| Answer» E. | |
| 10. |
Which of the following is a feature of a stable community? |
| A. | Resistant or resilient to occasional disturbances |
| B. | More variation in productivity |
| C. | Susceptible to occasional disturbances |
| D. | Susceptible to invasions by alien species |
| Answer» B. More variation in productivity | |
| 11. |
Which community should show less variation in productivity from year to year? |
| A. | Dynamic community |
| B. | Sable community |
| C. | Unstable community |
| D. | Reproductive community |
| Answer» C. Unstable community | |