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. |
Which one of the following is the correct sequence of an aquatic food chain? |
| A. | Phytoplankton Fishes Fungi Zooplankton |
| B. | Phytoplankton Zooplankton Fishes Fungi |
| C. | Phytoplankton Fungi Zooplankton Fishes |
| D. | Zooplankton Phytoplankton Fishes Fungi |
| Answer» C. Phytoplankton Fungi Zooplankton Fishes | |
| 2. |
Which one of the following is the correct sequence of a grassland food chain? |
| A. | Grass Wolf Bacteria Deer |
| B. | Grass Deer Fungi Wolf |
| C. | Grass Deer Wolf Fungi |
| D. | Grass Fungi Wolf Deer |
| Answer» D. Grass Fungi Wolf Deer | |
| 3. |
Whose population is highest in an ecosystem? |
| A. | Primary producers |
| B. | Secondary consumers |
| C. | Primary consumers |
| D. | Decomposers |
| Answer» E. | |
| 4. |
What will happen if we remove the decomposers from an ecosystem? |
| A. | Energy flow stops |
| B. | Consumers die |
| C. | Mineralization will not occur |
| D. | Plants won t receive solar energy |
| Answer» D. Plants won t receive solar energy | |
| 5. |
A chicken has just eaten a worm. When a man sees this, he eats that chicken. To which trophic level does the man belong? |
| A. | Secondary consumer |
| B. | Primary consumer |
| C. | Producer |
| D. | Tertiary consumer |
| Answer» E. | |
| 6. |
What are decomposers? |
| A. | Autotrophs |
| B. | Heterotrophs |
| C. | Parasites |
| D. | Organotrophs |
| Answer» C. Parasites | |
| 7. |
Which of the following organisms belong to the category of primary consumers? |
| A. | Plants and phytoplankton |
| B. | Eagle and snakes |
| C. | Cattle and zooplankton |
| D. | Fungi and beetles |
| Answer» D. Fungi and beetles | |
| 8. |
Who are the primary consumers of a biotic community? |
| A. | Omnivores |
| B. | Scavengers |
| C. | Detritivores |
| D. | Herbivores |
| Answer» E. | |
| 9. |
How many trophic levels do green plants constitute? |
| A. | Third trophic level |
| B. | First trophic level |
| C. | Last trophic level |
| D. | Zero level |
| Answer» C. Last trophic level | |
| 10. |
In general, a food chain consists of how many trophic levels? |
| A. | Four |
| B. | Zero |
| C. | Two |
| D. | One |
| Answer» B. Zero | |
| 11. |
What are the food levels in an ecosystem called? |
| A. | Decomposer level |
| B. | Trophic levels |
| C. | Producer levels |
| D. | Consumer levels |
| Answer» C. Producer levels | |