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Ecological Interactions MCQs with Answers

Welcome to the Ecological Interactions MCQs with Answers. In this post, we have shared Ecological Interactions Online Test for different competitive exams. Find practice Ecological Interactions Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Ecological Interactions.

Ecological interactions are fundamental processes that shape ecosystems, influencing the distribution and abundance of species. These interactions include various forms such as mutualism, commensalism, competition, predation, and parasitism. Mutualism, where both species benefit, is exemplified by bees pollinating flowers. Commensalism, where one species benefits without affecting the other, can be seen in barnacles attaching to whales. Competition occurs when species vie for the same resources, often leading to the exclusion of the less competitive species. Predation involves one species feeding on another, such as wolves hunting deer, which helps regulate prey populations. Parasitism, where one organism benefits at the expense of another, is illustrated by ticks feeding on mammals.

Understanding these interactions is crucial for conservation efforts and ecosystem management. They determine the structure of communities and the flow of energy and nutrients. For instance, keystone species play a pivotal role in maintaining ecological balance; their removal can cause drastic changes in the ecosystem. Climate change and human activities are disrupting these interactions, leading to biodiversity loss and altered ecosystem functions. Conservation strategies must consider these interactions to ensure the sustainability of ecosystems.

Ecological Interactions Online Quiz

By presenting 3 options to choose from, Ecological Interactions Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Ecological Interactions Questions and Answers and click over the correct answer.

  • Test Name: Ecological Interactions MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

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Ecological Interactions MCQs

Ecological Interactions

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1 / 40

What term describes the process by which plants produce chemical compounds to inhibit others?

2 / 40

What is the term for the role and position a species has in its environment?

3 / 40

Which interaction describes organisms living in close physical proximity?

4 / 40

What type of ecological interaction involves species sharing resources to minimize competition?

5 / 40

What is the term for species that affect the structure of a community?

6 / 40

What is it called when one species benefits and the other is neither helped nor harmed?

7 / 40

What type of interaction occurs between herbivores and plants?

8 / 40

What is the relationship called where one species' presence indirectly benefits another?

9 / 40

Which term describes the gradual change in species composition in an ecosystem over time?

10 / 40

What is the term for organisms that obtain energy by consuming dead organic matter?

11 / 40

What is the relationship between cattle egrets and cattle?

12 / 40

What type of interaction involves one organism using another for transportation?

13 / 40

What type of ecological interaction is demonstrated by lichens?

14 / 40

Which term describes the sequence of changes in an ecosystem after a disturbance?

15 / 40

What is the term for an organism that lives on or in a host, causing harm?

16 / 40

What type of interaction occurs when one organism feeds on the tissue of plants?

17 / 40

What type of symbiosis is exhibited by bees and flowering plants?

18 / 40

What is the relationship called when one organism benefits at the expense of another?

19 / 40

What type of interaction occurs when both species benefit?

20 / 40

What type of interaction is seen in cleaner fish and their hosts?

21 / 40

What is the relationship between mycorrhizal fungi and plants?

22 / 40

Which term describes the outcome when two species niche overlap extensively?

23 / 40

What type of interaction occurs when one organism kills and eats another?

24 / 40

Which term describes the interaction where species compete for the same resources?

25 / 40

What is the term for non-native species that spread widely and become dominant in a community?

26 / 40

What is it called when an animal blends into its environment to avoid predation?

27 / 40

What is the term for the symbiotic relationship between nitrogen-fixing bacteria and legumes?

28 / 40

What type of interaction occurs when one species benefits by mimicking another?

29 / 40

What type of interaction involves one organism harming another by releasing toxic chemicals?

30 / 40

What is the role of pollinators in an ecosystem?

31 / 40

Which of the following is an example of a keystone species?

32 / 40

Which term describes a close and long-term biological interaction between two different species?

33 / 40

What is it called when two species evolve in response to each other?

34 / 40

What is the role of decomposers in an ecosystem?

35 / 40

What is the primary driver of competition between species?

36 / 40

What term describes a species whose presence has a disproportionate effect on its environment?

37 / 40

What is it called when two species require the same limited resource?

38 / 40

Which term describes an interaction where two species benefit from each other?

39 / 40

What type of relationship is exhibited by a tapeworm and its host?

40 / 40

Which term describes the area where an organism lives and interacts with its environment?

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