Question 1
What is the primary function of a niche partitioning in a community?
- A) To increase competition among species.
- B) To decrease biodiversity.
- C) To reduce resource overlap and promote coexistence.
- D) To maximize the carrying capacity of the environment.
Question 2
Which factor plays a significant role in phloem transport, allowing the contents to flow from sources to sinks?
| Answer | Species A Benefit | Species B Benefit | Harmful |
|---|---|---|---|
| A | Yes | Yes | No |
| B | Yes | No | No |
| C | Yes | No | Yes |
| D | No | No | No |
- A) A
- B) B
- C) C
- D) D
Question 3
Which of the following factors can influence the realized niche of a species?
| Factor | Influence on Realized Niche |
|---|---|
| Competition | Reduces |
| Abiotic factors | Expands |
| Predation | Expands |
| Mutualism | Reduces |
- A) Competition and Abiotic factors
- B) Abiotic factors and Mutualism
- C) Predation and Competition
- D) Predation and Mutualism
Question 4
Which type of ecological niche is best represented by image shown below?
- A) Fundamental niche
- B) Realized niche
- C) Ecological niche
- D) Niche partitioning
Question 5
Image below shows a dung beetle, which has a food niche that involves feeding on feces of other animals. What is the main benefit of the dung beetle’s food niche?
- A) It reduces competition with other herbivores.
- B) It provides a source of nitrogen and phosphorus.
- C) It helps in seed dispersal and soil fertility.
- D) All of the above.