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Environmental Microbiology MCQs with Answers

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

Environmental microbiology refers to the study of microorganisms in their natural habitats and their role in ecological processes. It refers to bacteria, fungi, viruses, and other microorganisms that interact with their physical surroundings-be it soil, water, or air. Such understanding would help overcome ecological challenges such as pollution, fresh water scarcity, and climate change.

Microorganisms play a very active role in the nutrient cycle processes, including nitrogen fixation, carbon degradation, and decomposition of organic matter. Examples include such participation involve soil bacteria that break up atmospheric nitrogen into more available forms for plants, hence improving agricultural productivity. Equally, microorganisms in the treatment facilities of wastewater systems break up organic pollutants; hence the water cleaned and protected from aquatic ecosystem destruction.

Environmental microorganisms also examine the role of microbes in bioremediation, which is the use of microbes for environmental decontamination. Techniques in bioremediation can detoxify oil spills, heavy metal contamination, and pesticide residues, adding alternative methods for achieving sustainable environmental cleanup.

In this region, there are special interests in diversity in microbes and survival in extreme environments like hot springs, deep-sea vents, and arctic ice. Extremophiles hold a clue to understanding microbial adaptation and resilience. That knowledge would therefore advance biotechnology and new applications in industry and medicine.

Through environmental microbiology, scientists can develop ways to improve soil health, water quality, and reduce pollution; hence, contribution to environmental conservation and sustainable development.

Environmental Microbiology Online Quiz

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

  • Test Name: Environmental Microbiology 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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Environmental Microbiology MCQs

Environmental Microbiology

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1 / 40

Which microorganisms are commonly used as biological indicators of water quality?

2 / 40

What is the term for microorganisms that can live in extreme environments?

3 / 40

Which type of microorganisms play a key role in the sulfur cycle?

4 / 40

Which microorganisms are used in the process of wastewater treatment?

5 / 40

What is the main function of lichens in the environment?

6 / 40

What is the role of algae in aquatic ecosystems?

7 / 40

Which process converts nitrogen gas into ammonia?

8 / 40

What is the role of decomposers in the environment?

9 / 40

What is the role of denitrifying bacteria in the nitrogen cycle?

10 / 40

What is the primary role of rhizobia in the environment?

11 / 40

Which type of microorganism is most commonly associated with the nitrogen cycle?

12 / 40

What is the term for microorganisms that require high salt concentrations to grow?

13 / 40

Which microorganisms are primarily responsible for the production of antibiotics?

14 / 40

Which gas is produced by anaerobic decomposition in landfills?

15 / 40

What is the role of microbes in the phosphorus cycle?

16 / 40

Which microorganism is commonly used as an indicator of fecal contamination in water?

17 / 40

What is the primary role of mycorrhizal fungi in the soil?

18 / 40

What is the primary role of microorganisms in the water cycle?

19 / 40

What is the term for the study of microorganisms in their natural environments?

20 / 40

What type of microorganisms are primarily involved in the fermentation process?

21 / 40

What is the role of methanogens in the carbon cycle?

22 / 40

Which process involves the conversion of ammonia to nitrate?

23 / 40

What is the role of microorganisms in the carbon cycle?

24 / 40

Which process describes the breakdown of organic matter by microorganisms?

25 / 40

Which type of microorganisms are used in the production of fermented foods?

26 / 40

Which microorganisms are primarily responsible for the process of nitrification?

27 / 40

What is the term for the microbial degradation of organic pollutants?

28 / 40

Which process involves the conversion of organic matter into humus?

29 / 40

What is the primary role of protozoa in aquatic ecosystems?

30 / 40

Which gas is a major greenhouse gas produced by microbial activity?

31 / 40

What is the main function of biofilms in natural environments?

32 / 40

What is the role of cyanobacteria in aquatic ecosystems?

33 / 40

What is the term for the symbiotic relationship between plant roots and fungi?

34 / 40

What is the main function of bacteria in the soil?

35 / 40

What is the term for the microbial transformation of organic pollutants into less harmful substances?

36 / 40

Which type of microorganism is involved in the process of bioremediation?

37 / 40

Which element is cycled through the environment by the process of photosynthesis and respiration?

38 / 40

Which process describes the conversion of nitrate to nitrogen gas?

39 / 40

Which microorganisms are involved in the process of composting?

40 / 40

Which microorganism is commonly used in the production of biofuels?

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