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 of interactions between living organisms and their environments. This field explores the relationships between species, populations, communities, ecosystems, and the biosphere. Ecologists study how organisms adapt to their habitats, the flow of energy and nutrients through ecosystems, and the impacts of environmental changes on biodiversity. Understanding these interactions is crucial for addressing global challenges such as climate change, habitat loss, and pollution.

Biodiversity, a key focus in ecology, refers to the variety of life forms in an ecosystem. High biodiversity typically indicates a healthy ecosystem, capable of withstanding environmental stresses and providing essential services such as pollination, water purification, and climate regulation. Ecologists also examine ecological niches, which are the roles and positions species have within their environments, including their interactions with other species and their contributions to the ecosystem’s health and stability.

Conservation ecology is a subfield dedicated to protecting and restoring biodiversity. This involves studying endangered species, habitat restoration, and developing sustainable management practices to preserve ecosystems. Human activities, such as deforestation, urbanization, and pollution, pose significant threats to ecological balance. Therefore, ecologists work on strategies to mitigate these impacts, promoting 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

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

2 / 40

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

3 / 40

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

4 / 40

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

5 / 40

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

6 / 40

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

7 / 40

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

8 / 40

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

9 / 40

Which type of symbiotic relationship benefits both species involved?

10 / 40

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

11 / 40

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

12 / 40

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

13 / 40

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

14 / 40

Which process returns carbon dioxide to the atmosphere?

15 / 40

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

16 / 40

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

17 / 40

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

18 / 40

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

19 / 40

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

20 / 40

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

21 / 40

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

22 / 40

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

23 / 40

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

24 / 40

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

25 / 40

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

26 / 40

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

27 / 40

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

28 / 40

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

29 / 40

What is the primary role of decomposers in an ecosystem?

30 / 40

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

31 / 40

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

32 / 40

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

33 / 40

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

34 / 40

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

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

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

40 / 40

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

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