Environmental Biology MCQs with Answers

adminJune 13, 2024

0 25 2 minutes read

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

Environmental biology is the study of the relationships between living organisms and their environments. This interdisciplinary field combines principles from biology, ecology, and environmental science to understand how organisms interact with each other and their surroundings. It explores how various environmental factors such as climate, habitat, and human activities influence biological processes and ecosystems.

One key area of environmental biology is the study of ecosystems, including the dynamics of energy flow, nutrient cycling, and species interactions. Researchers examine how different species contribute to ecosystem services such as pollination, water purification, and soil fertility. This knowledge is crucial for conserving biodiversity and managing natural resources sustainably.

Another focus is the impact of environmental changes on species and habitats. Environmental biologists study how factors like climate change, pollution, habitat destruction, and invasive species affect ecological balance and species survival. Understanding these impacts helps in developing strategies for ecosystem restoration and species conservation.

Environmental biology also addresses the role of humans in shaping ecosystems. It involves assessing the effects of human activities, such as urbanization, agriculture, and deforestation, on ecological health and developing sustainable practices to minimize negative impacts.

Through research and application, environmental biology contributes to environmental conservation, policy development, and public awareness. By integrating biological knowledge with environmental management, this field plays a crucial role in promoting ecological sustainability and protecting the natural world.

Environmental Biology Online Quiz

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

Test Name: Environmental Biology 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.

Environmental Biology

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1 / 40

The process by which an ecosystem recovers from a disturbance, such as fire or logging, over time is called _______________.

Succession

Adaptation

Evolution

2 / 40

The process by which heat energy is transferred from one object to another through direct contact is called _______________.

Convection

Conduction

Radiation

3 / 40

The process by which organisms change their behavior or physiology to cope with changes in their environment is called _______________.

Acclimatization

Adaptation

Evolution

4 / 40

The process by which pollutants are released into the atmosphere from sources such as factories and vehicles is called _______________.

Eutrophication

Air pollution

Acid rain

5 / 40

The process by which water from plants evaporates into the atmosphere is called _______________.

Transpiration

Condensation

Precipitation

6 / 40

The process by which water changes from a liquid to a gas is called _______________.

Evaporation

Condensation

Precipitation

7 / 40

The process by which water moves through soil and rock layers is called _______________.

Condensation

Infiltration

Evaporation

8 / 40

The process by which pollutants in the atmosphere react with sunlight to form harmful chemicals is called _______________.

Greenhouse effect

Photochemical smog

Acid rain

9 / 40

The process by which rocks are broken down into smaller fragments by physical or chemical means is called _______________.

Weathering

Deposition

Erosion

10 / 40

The group of organisms that break down dead organic matter into simpler compounds is called _______________.

Decomposers

Producers

Consumers

11 / 40

The process by which plants and animals exchange gases with their environment is called _______________.

Photosynthesis

Transpiration

Respiration

12 / 40

The process by which organisms compete for limited resources such as food, water, and shelter is called _______________.

Predation

Competition

Mutualism

13 / 40

The total variety of all living organisms in an ecosystem is called _______________.

Ecosystem

Biodiversity

Habitat

14 / 40

The process by which nitrogen is converted into a form that can be used by plants is called _______________.

Nitrogen fixation

Denitrification

Nitrification

15 / 40

The study of interactions between organisms and their environment is called _______________.

Biology

Ecology

Environmentalism

16 / 40

The layer of gases surrounding the Earth is called the _______________.

Atmosphere

Hydrosphere

Lithosphere

17 / 40

The process by which water vapor cools and changes back into liquid water is called _______________.

Precipitation

Condensation

Evaporation

18 / 40

The process by which species evolve over time in response to changes in their environment is called _______________.

Mutation

Evolution

Adaptation

19 / 40

The process by which pollutants accumulate in the tissues of organisms as they consume contaminated prey is called _______________.

Acidification

Eutrophication

Biomagnification

20 / 40

The process by which plants take in carbon dioxide and release oxygen is called _______________.

Photosynthesis

Respiration

Decomposition

21 / 40

The process by which pollutants are removed from the atmosphere by being absorbed by plants or soil is called _______________.

Air purification

Erosion

Absorption

22 / 40

The process by which water vapor in the atmosphere changes into liquid water or ice crystals is called _______________.

Precipitation

Condensation

Evaporation

23 / 40

The process by which habitats become unsuitable for most forms of life, often due to human activities, is called _______________.

Desertification

Eutrophication

Deforestation

24 / 40

The process by which heat is trapped in the Earth's atmosphere by greenhouse gases is called _______________.

Greenhouse effect

Acidification

Global warming

25 / 40

The release of sulfur dioxide and nitrogen oxides into the atmosphere, which react with water vapor to form acids, is called _______________.

Eutrophication

Desertification

Acid rain

26 / 40

The process by which pollutants are removed from the atmosphere through rain or snow is called _______________.

Acid rain

Precipitation

Erosion

27 / 40

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

Transpiration

Condensation

Evaporation

28 / 40

The process by which excess nutrients, usually from fertilizers, enter a body of water, leading to excessive plant growth and oxygen depletion is called _______________.

Acidification

Eutrophication

Biomagnification

29 / 40

The process by which organisms produce offspring that inherit their traits is called _______________.

Reproduction

Evolution

Mutation

30 / 40

The process by which pollutants build up in the tissues of organisms as they move up the food chain is called _______________.

Deforestation

Eutrophication

Biomagnification

31 / 40

The scientific study of the relationships between organisms and their environment is called _______________.

Environmentalism

Ecology

Biology

32 / 40

The thin layer of soil and water that covers the Earth's surface and supports life is called the _______________.

Hydrosphere

Biosphere

Lithosphere

33 / 40

The process by which atmospheric gases trap heat close to the Earth's surface, leading to a warming effect, is called _______________.

Greenhouse effect

Acid rain

Global warming

34 / 40

The process by which carbon is returned to the atmosphere from organisms and decaying matter is called _______________.

Respiration

Photosynthesis

Decomposition

35 / 40

The loss of forests due to logging, agriculture, or urbanization is called _______________.

Deforestation

Desertification

Eutrophication

36 / 40

The process by which species become more suited to their environment over time is called _______________.

Mutation

Adaptation

Evolution

37 / 40

The process by which pollutants in the atmosphere react with sunlight to form harmful chemicals is called _______________.

Greenhouse effect

Acid rain

Photochemical smog

38 / 40

The gradual increase in the Earth's average temperature due to human activities is known as _______________.

Ozone depletion

Global warming

Acid rain

39 / 40

The process by which carbon dioxide is converted into organic compounds by plants is called _______________.

Decomposition

Respiration

Photosynthesis

40 / 40

The process by which organisms adjust to changes in their environment over time is called _______________.

Adaptation

Evolution

Mutation

Download Certificate of Quiz Environmental Biology

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adminJune 13, 2024

0 25 2 minutes read