Ecology

Ecosystems MCQs with Answers

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

An ecosystem is an active complex of living organisms in interaction with each other and with their physical environment. Components include plants, animals, microorganisms, water, soil, and air interrelating to form a functioning unit. Ecosystem interactions are involved in energy flow and nutrient cycling-the two basic processes sustaining life. Primary producers within the food web, including plants and algae, capture solar energy through photosynthesis. This energy and nutrients are transferred and recycled through consumers and decomposers, such as herbivores, carnivores, and microorganisms, inside the ecosystem.

Biodiversity is the number of life forms in an ecosystem. Biodiversity is among those things that decide on an ecosystem’s health and stability. Ecosystems with high biodiversity can more easily resist disturbances and recover them. Ecosystems provide various services useful to people: clean air and water, fertile soil, pollination of crops, and regulation of climate.

Among the numerous ecosystems that are present are forests, grasslands, wetlands, and oceans-they all stand out in their characteristics and functions. However, the majority of ecosystems under danger from human activities include deforestation, pollution, and climate change. The most important goals of conservation are to preserve and restore the ecosystem through practices that can balance human needs with environmental health.

Ecosystems Online Quiz

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

  • Test Name: Ecosystems 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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Ecosystems MCQs

Ecosystems

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1 / 40

What is the primary function of producers in an ecosystem?

2 / 40

What is the primary difference between a food web and a food chain?

3 / 40

What process releases carbon dioxide back into the atmosphere?

4 / 40

Which biome is known for its high biodiversity and dense tree coverage?

5 / 40

Which animal is typically at the top of the food chain?

6 / 40

What is the greenhouse effect?

7 / 40

Which factor is most responsible for the seasons on Earth?

8 / 40

What is biodiversity?

9 / 40

What is an example of a freshwater ecosystem?

10 / 40

What type of consumer eats only plants?

11 / 40

What is the largest type of ecosystem on Earth?

12 / 40

What term describes an animal that eats both plants and animals?

13 / 40

What is the role of decomposers in an ecosystem?

14 / 40

What is the main threat to coral reefs?

15 / 40

Which of the following is an example of a renewable resource?

16 / 40

Which term describes animals that hunt other animals for food?

17 / 40

Which of these organisms is a decomposer?

18 / 40

What is the main source of energy for most ecosystems?

19 / 40

What is the main cause of acid rain?

20 / 40

What is a wetland?

21 / 40

What is the primary function of chlorophyll in plants?

22 / 40

Which term describes the non-living parts of an ecosystem?

23 / 40

Which of the following is a biotic factor in an ecosystem?

24 / 40

What is an autotroph?

25 / 40

Which of the following is a characteristic of a desert biome?

26 / 40

What is the main gas used by plants during photosynthesis?

27 / 40

What term describes the gradual process by which ecosystems change and develop over time?

28 / 40

Which biome is characterized by very low temperatures and permafrost?

29 / 40

Which of these is an example of a marine ecosystem?

30 / 40

What is eutrophication?

31 / 40

Which organism is a primary producer in most ecosystems?

32 / 40

What is the term for a community of living organisms and their physical environment?

33 / 40

Which nutrient cycle involves the movement of nitrogen through the atmosphere, soil, and organisms?

34 / 40

What is a food chain?

35 / 40

What is the primary role of fungi in an ecosystem?

36 / 40

What is an example of a biotic component in a forest ecosystem?

37 / 40

What is the primary source of energy in a food chain?

38 / 40

What is the main component of the Earth's atmosphere?

39 / 40

What type of symbiotic relationship benefits both organisms involved?

40 / 40

What is the process by which plants make their own food using sunlight?

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