Biology Quizzes

Ecology MCQs with Answers

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

Ecology is the scientific study concerning the interactions between living and non-living organisms in their environment. Scientific discipline particularly encompasses the study of relationships within and between the species and populations, communities, ecosystems, and the biosphere. Ecologists investigate how organisms interact with their environments, the flow of energy and nutrients through ecosystems, and how alteration of the environment affects biodiversity. Such an understanding is helpful in managing global issues, including climate change, habitat destruction, and pollution.

Biodiversity is the variety of different forms of life in an ecosystem. Biodiversity is one of the key areas of focus for ecology. High biodiversity means that an ecosystem is healthy, which can withstand significant environment stresses and provide significant services such as pollination, water purification, and climatic regulation. Ecologists then look deeper at ecological niches as the roles or positions that the species occupies in its environment and interactions with other species and its contribution toward the health and stability of the ecosystem.

Conservation ecology is a subdiscipline whose main thrust is conserving and recovering biodiversity. Thus, research in this area may include studying threatened species, habitat restoration, and the search for sustainable management practices to be used for ecosystem protection. Direct human activities include deforestation, urbanization, and pollution. Ecologists try to work on strategies that reduce the impacts of these activities as appropriate for sustainable development and environmental stewardship.

Ecology Online Quiz

By presenting 3 options to choose from, Ecology 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 Ecology Questions and Answers and click over the correct answer.

  • Test Name: Ecology 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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Ecology MCQs

Ecology

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1 / 40

What is the term for the maximum population size that a particular environment can sustain indefinitely?

2 / 40

What is the process where organisms release excess nutrients into the environment, leading to an overgrowth of algae?

3 / 40

What type of organism produces its own food through photosynthesis or chemosynthesis?

4 / 40

Which term describes the feeding relationships between organisms in a community?

5 / 40

Which biome is characterized by high temperatures, humidity, and high levels of biodiversity?

6 / 40

Which term describes the variety of species in a given area?

7 / 40

What is the term for the process by which nutrients are transferred through trophic levels in an ecosystem?

8 / 40

Which biome is characterized by moderate temperatures, abundant rainfall, and broadleaf deciduous trees?

9 / 40

Which biome is characterized by low temperatures, little precipitation, and permafrost?

10 / 40

What is the study of the relationships between organisms and their environment called?

11 / 40

What is the term for the specific place where an organism lives within an ecosystem?

12 / 40

What is the term for the process where nitrogen compounds are returned to the soil or water from organic matter?

13 / 40

What is the term for the total amount of living tissue at each trophic level in an ecosystem?

14 / 40

Which type of species has a disproportionately large effect on its environment relative to its abundance?

15 / 40

What is the term for the relationship where one organism benefits at the expense of another?

16 / 40

Which type of biome is characterized by cold temperatures, high winds, and low precipitation?

17 / 40

Which process involves the movement of individuals away from their place of origin or from centers of high population density?

18 / 40

Which process involves the conversion of atmospheric nitrogen into a form usable by plants?

19 / 40

Which ecological pyramid represents the total amount of living organic matter at each trophic level?

20 / 40

What is the primary role of decomposers in an ecosystem?

21 / 40

What is the term for the range of conditions under which an organism performs best?

22 / 40

Which biome is characterized by grasses, scattered trees, and seasonal rainfall?

23 / 40

What is the term for the range of environmental conditions within which an organism can survive and reproduce?

24 / 40

What is the primary source of energy for most ecosystems on Earth?

25 / 40

Which term describes a community's ability to withstand and recover from disturbances?

26 / 40

What is the term for the process where carbon dioxide is taken in by plants during photosynthesis?

27 / 40

What is the ecological role a species plays in a community, including its habitat and interactions with other organisms?

28 / 40

Which type of symbiotic relationship benefits both species involved?

29 / 40

Which level of ecological organization encompasses all the individuals of a species within a given area?

30 / 40

What is the relationship where one organism benefits and the other is neither helped nor harmed?

31 / 40

What is the study of how organisms interact with each other and their physical environment?

32 / 40

What is the term for a group of interacting populations that inhabit the same area?

33 / 40

Which term describes the specific role an organism plays in its community, including its interactions with other organisms and the physical environment?

34 / 40

What is the term for a group of individuals of the same species living in the same area?

35 / 40

What is the term for a diagram that shows the amount of energy or biomass at each trophic level in an ecosystem?

36 / 40

Which type of relationship benefits one species while having no effect on the other?

37 / 40

What is the process of succession where communities develop on bare rock without soil?

38 / 40

What is the term for the process where plants release water vapor through their leaves?

39 / 40

Which process returns carbon dioxide to the atmosphere?

40 / 40

What term describes the gradual change in species composition of a given area over time?

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