MCQs Environmental Science Test 5

The post is about Online multiple-choice questions about environmental science Test for preparation for admissions in BS, M.Phil., and Ph.D. Environmental Science programs. There are 20 MCQs in this quiz. Let us start with the MCQs Environmental Science Test.

Online Multiple-Choice Questions about Environmental Science

1. The year declared by the UN as the International Year of Forests:

 
 
 
 

2. Soil microorganisms influence the above-ground ecosystem by contributing to one of the following except

 
 
 
 

3. During thermal decomposition, calcium, magnesium, and phosphorus vaporize at?

 
 
 
 

4. A type of biodegradable plastic has been in the news lately. The ingredient that makes it biodegradable is:

 
 
 
 

5. Humus is the major insoluble portion of the organic substances in soil, produced by one of the following processes of living matter.

 
 
 
 

6. In soil, most of the nitrogen exists in a complex organic form that must be mineralized into ———— before uptake by plants.

 
 
 
 

7. How many times methane gas is more potent as compared to carbon dioxide?

 
 
 
 

8. Biomass with high lignin content will give

 
 
 
 

9. The carbon dioxide makes approximately?

 
 
 
 

10. Nitrogen loss from the soil is caused by one of the following processes.

 
 
 
 

11. The temperature of fast pyrolysis is?

 
 
 
 

12. The biochar addition to the soil reduces the emission of?

 
 
 
 

13. High concentrations of Calcium Carbonate can be found in biochar prepared from

 
 
 
 

14. For the production of Biogas, which one of the following is the best waste material?

 
 
 
 

15. The conversion of an organic form of an element to an inorganic form as a result of microbial decomposition is called one of the following.

 
 
 
 

16. The availability of phosphorus in different soil types is very much dependent on?

 
 
 
 

17. Which one of the following components is subjected to first degradation during organic matter decomposition?

 
 
 
 

18. Which one of the following types of denitrifications returns nitrogen atoms to the atmosphere by reducing nitrate to nitrogen gas?

 
 
 
 

19. Which of the following processes is important because higher plants can assimilate nitrate much more rapidly than ammonium?

 
 
 
 

20. In alkaline soils, P solubility is primarily regulated by its interaction with

 
 
 
 

MCQs Environmental Science Test Quiz with Answers

MCQs Environmental Science Teste with Answers

  • Which one of the following types of denitrifications returns nitrogen atoms to the atmosphere by reducing nitrate to nitrogen gas?
  • Nitrogen loss from the soil is caused by one of the following processes.
  • Humus is the major insoluble portion of the organic substances in soil, produced by one of the following processes of living matter.
  • For the production of Biogas, which one of the following is the best waste material?
  • A type of biodegradable plastic has been in the news lately. The ingredient that makes it biodegradable is:
  • The conversion of an organic form of an element to an inorganic form as a result of microbial decomposition is called one of the following.
  • Which one of the following components is subjected to first degradation during organic matter decomposition?
  • Which of the following processes is important because higher plants can assimilate nitrate much more rapidly than ammonium?
  • The year declared by the UN as the International Year of Forests:
  • Soil microorganisms influence the above-ground ecosystem by contributing to one of the following except
  • High concentrations of Calcium Carbonate can be found in biochar prepared from
  • The carbon dioxide makes approximately?
  • The biochar addition to the soil reduces the emission of?
  • The temperature of fast pyrolysis is?
  • During thermal decomposition, calcium, magnesium, and phosphorus vaporize at?
  • In soil, most of the nitrogen exists in a complex organic form that must be mineralized into ———— before uptake by plants.
  • The availability of phosphorus in different soil types is very much dependent on?
  • Biomass with high lignin content will give
  • How many times methane gas is more potent as compared to carbon dioxide?
  • In alkaline soils, P solubility is primarily regulated by its interaction with
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Environmental Science MCQS Test 4

The post is about the Environmental Science MCQs Test. There are 20 multiple-choice questions in the quiz for admissions in BS, M.Phil., and Ph.D. Environmental Science programs. Let us start with the Environmental Science MCQs Test.

Please go to Environmental Science MCQS Test 4 to view the test

Environmental Science MCQs Test with Answers

Environmental Science MCQs Test with Answers
  • Bioventing is a bioremediation technique in which microbes use ————.
  • In isotherm models $R^2$ represents ———–.
  • $K_d$ is known as ———–.
  • In water and salt, NaCl salt is known as ————.
  • Iron oxides minerals are ———– efficient to remove metal ions from water than clay minerals.
  • Which of the following important functions interact in the ecosystem carried out by microorganisms?
  • When different organisms within a population or community try to acquire the same resource and the same resource and tend to inhibit the other is called which of the following?
  • The United Nations Climate Change Conference “COP26” was held in:
  • Surface adherence is called ———–.
  • When are nutrients converted into biomass during microbial activity is known as which one of the following?
  • Which one is not included in the major principle of the ecosystem?
  • Which of the following statements are true about CNG – compressed natural gas?
  • In situ degradation of Pollutants has been used as a cost-effective alternative to ———.
  • Which one of the following is not a composting stage?
  • Which of the following gases destroys the chlorophyll present in the plant leaves?
  • Which of the following devices is used to measure atmospheric humidity?
  • Which element is considered the largest source of the world’s commercial energy consumption?
  • Depletion of the ozone layer is caused due to ———-.
  • The biodynamic preparation consists of selected plant and animal substances that undergo to enhance quality for farming systems.
  • Brackish water ecosystems are found in which of the following:

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MCQs Environmental Science Questions 3

Online multiple-choice questions about environmental science questions for preparation for admissions in BS, M.Phil., and Ph.D. Environmental Science programs. There are 20 MCQs in this quiz. Let us start with the Environmental science questions quiz.

Please go to MCQs Environmental Science Questions 3 to view the test

MCQs Environmental Science Questions with Answers

MCQs Environmental Science Questions with Answers
  • ————– can fix nitrogen in their nodules.
  • Deforestation generally decreases.
  • Phytoextraction is a strategy/ process that uses plants to ————-.
  • Biostimulation is the addition of ———— during the bioremediation process.
  • ———— is the most abundant greenhouse gas in the atmosphere.
  • Total pore space in sandy soils will be ———— than in clayey soils.
  • ———– means any premises in which industrial activity is being undertaken.
  • Nestle water production and treatment plant is located in ————-.
  • TDS stands for ————.
  • Biochar has a very porous nature and improves ———– in sandy soil.
  • Leather tanneries discharge wastewater that mainly contains ———– heavy metal.
  • ISO stands for
  • The standard ‘Environmental management systems – Requirements with guidance for use’ is represented by
  • Which of the following is the cause of melanoma (skin cancer)?
  • Composting provides a greater reduction in pathogens because of ————.
  • Eutrophication in lakes is due to:
  • TDS in drinking water, according to WHO, should be.
  • Placing a cover over contaminated material such as landfill waste or contaminated soil is called ———–.
  • Nanomaterials size ranges from ———- to ————.
  • Sorption kinetics defines the removal of a solute from a solution with ————-.
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