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.

Ecosystems are dynamic complexes of living organisms interacting with their physical environments. They encompass various components, including plants, animals, microorganisms, water, soil, and air, working together to form a functional unit. The interactions within ecosystems facilitate energy flow and nutrient cycling, essential processes that sustain life. Primary producers, such as plants and algae, capture solar energy through photosynthesis, forming the base of the food web. Consumers and decomposers, including herbivores, carnivores, and microorganisms, transfer and recycle this energy and nutrients throughout the ecosystem.

Biodiversity, the variety of life forms within an ecosystem, is a critical factor in its health and stability. High biodiversity enhances ecosystem resilience, enabling it to withstand and recover from disturbances like natural disasters or human activities. Ecosystems provide numerous ecosystem services that benefit humans, including clean air and water, fertile soil, pollination of crops, and climate regulation.

Different types of ecosystems, such as forests, grasslands, wetlands, and oceans, each have unique characteristics and functions. However, human activities, including deforestation, pollution, and climate change, pose significant threats to ecosystems worldwide. Conservation efforts aim to protect and restore ecosystems, promoting sustainable practices that 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 term for a community of living organisms and their physical environment?

2 / 40

What is eutrophication?

3 / 40

Which biome is characterized by very low temperatures and permafrost?

4 / 40

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

5 / 40

Which of these is an example of a marine ecosystem?

6 / 40

What is the main threat to coral reefs?

7 / 40

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

8 / 40

What is the largest type of ecosystem on Earth?

9 / 40

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

10 / 40

What is the primary role of fungi in an ecosystem?

11 / 40

What is the main source of energy for most ecosystems?

12 / 40

What is a wetland?

13 / 40

What type of symbiotic relationship benefits both organisms involved?

14 / 40

Which factor is most responsible for the seasons on Earth?

15 / 40

What is the greenhouse effect?

16 / 40

What is the primary function of producers in an ecosystem?

17 / 40

What is the role of decomposers in an ecosystem?

18 / 40

Which organism is a primary producer in most ecosystems?

19 / 40

What is the primary function of chlorophyll in plants?

20 / 40

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

21 / 40

What process releases carbon dioxide back into the atmosphere?

22 / 40

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

23 / 40

What is an example of a freshwater ecosystem?

24 / 40

What type of consumer eats only plants?

25 / 40

What is an autotroph?

26 / 40

What is the main gas used by plants during photosynthesis?

27 / 40

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

28 / 40

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

29 / 40

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

30 / 40

What is biodiversity?

31 / 40

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

32 / 40

Which of these organisms is a decomposer?

33 / 40

Which term describes animals that hunt other animals for food?

34 / 40

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

35 / 40

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

36 / 40

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

37 / 40

What is a food chain?

38 / 40

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

39 / 40

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

40 / 40

What is the main cause of acid rain?

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