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Ecosystems and Biodiversity MCQs with Answers

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

Ecosystems and biodiversity are intrinsically linked concepts that play vital roles in maintaining the health and stability of our planet. Ecosystems are dynamic networks of living organisms, including plants, animals, and microorganisms, interacting with their physical environments. These interactions support essential processes such as energy flow and nutrient cycling, which are crucial for sustaining life. Biodiversity, which refers to the variety of life within an ecosystem, enhances its resilience and productivity.

High biodiversity ensures that ecosystems can withstand and recover from disturbances such as natural disasters, climate change, and human activities. It provides a broader range of species that can perform various ecological functions, contributing to ecosystem services like pollination, water purification, and soil fertility. Forests, wetlands, grasslands, and oceans are examples of diverse ecosystems, each hosting a unique array of species that contribute to their functionality.

Human activities, including deforestation, pollution, and urbanization, pose significant threats to both ecosystems and biodiversity. These activities can lead to habitat loss, species extinction, and disrupted ecological processes. Conservation efforts are essential to protect and restore ecosystems, aiming to preserve biodiversity and promote sustainable practices. Initiatives such as protected areas, habitat restoration, and sustainable agriculture are critical in maintaining ecological balance and ensuring the long-term health of our planet.

Ecosystems and Biodiversity Online Quiz

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

  • Test Name: Ecosystems and Biodiversity 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.

Ecosystems and Biodiversity MCQs

Ecosystems and Biodiversity

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1 / 40

The term "ecosystem" refers to ____.

2 / 40

The movement of individuals out of a population is called ____.

3 / 40

The major global ecosystem characterized by trees that shed leaves in the fall is the ____.

4 / 40

Which of the following is a primary producer in a terrestrial ecosystem?

5 / 40

The relationship between a flower and a bee that pollinates it is an example of ____.

6 / 40

Which biome is characterized by low temperatures, permafrost, and low-growing vegetation?

7 / 40

The process by which carbon dioxide is taken up by plants during photosynthesis is ____.

8 / 40

The zone where freshwater meets saltwater is called ____.

9 / 40

The biome characterized by grasslands with scattered trees and a distinct rainy season is the ____.

10 / 40

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

11 / 40

The term "ecosystem services" refers to ____.

12 / 40

The process by which organisms regulate their internal conditions to maintain stability is called ____.

13 / 40

The type of succession that occurs on bare rock where no soil is present is called ____.

14 / 40

The role an organism plays in its ecosystem, including its interactions with other organisms, is its ____.

15 / 40

The process by which phosphorus is cycled through ecosystems is called ____.

16 / 40

The variety of different species within an ecosystem is referred to as ____.

17 / 40

The place where an organism lives and obtains its resources is its ____.

18 / 40

The process by which water changes from liquid to vapor and back to liquid is called ____.

19 / 40

The biome characterized by low temperatures, little precipitation, and treeless plains is the ____.

20 / 40

The total amount of living matter within a given trophic level in an ecosystem is called ____.

21 / 40

The process by which nutrients are transferred between trophic levels in an ecosystem is called ____.

22 / 40

The zone in the ocean where photosynthesis can occur is called the ____.

23 / 40

The relationship between plants and mycorrhizal fungi is an example of ____.

24 / 40

The process by which water returns from the atmosphere to Earth's surface is ____.

25 / 40

The study of the interactions between living organisms and their environment is called ____.

26 / 40

The top layer of the ocean where light penetration allows photosynthesis is the ____.

27 / 40

The number of different species in a given area is called ____.

28 / 40

Which of the following is NOT a component of the nitrogen cycle?

29 / 40

The term "biome" refers to ____.

30 / 40

The term "biodiversity hotspot" refers to areas that ____.

31 / 40

The process by which nitrates are converted into nitrogen gas and released back into the atmosphere is ____.

32 / 40

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

33 / 40

The process by which carbon is cycled between organisms and the environment is called ____.

34 / 40

Which of the following is an example of a decomposer in an ecosystem?

35 / 40

Which of the following is an example of an ecosystem service provided by wetlands?

36 / 40

Which of the following is an abiotic factor in an ecosystem?

37 / 40

A keystone species is one that ____.

38 / 40

The process by which plants release water vapor into the atmosphere is called ____.

39 / 40

The ecological pyramid that represents the energy flow in an ecosystem is called a ____.

40 / 40

The process by which nitrogen is converted between its various chemical forms is called ____.


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