Environmental Studies · Chemistry

Environmental and Chemical Processes

2,261 Questions

Environmental and chemical processes encompass waste management, pollution remediation, and biogas conversion. These questions evaluate your grasp of how organic and synthetic materials interact with ecosystems. Such topics regularly appear in general science and environmental studies papers.

Waste managementBiogas conversionPhytoremediationSoil washingPollution control

Environmental and Chemical Processes Questions

Multiple choice

Why are alternative sources of fuel (biomass/biodiesel) an important engineering advancement?

  1. they can be produced at home

  2. they can be used for any form of energy

  3. they are clean, harmless, & renewable resources

  4. they could immediately replace fossil fuels
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biomass and biodiesel are considered renewable because they are derived from organic materials that can be regrown, and they generally produce fewer harmful emissions than fossil fuels.

Multiple choice

Entry of pollutants into a food chain is called

  1. Bio magnification

  2. Bio fertilization

  3. Bio accumulation

  4. Bio esterification
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bioaccumulation refers to the entry and buildup of toxic chemicals or pollutants in an organism's body from the surrounding environment or food. Biomagnification, by contrast, refers to the increasing concentration of these toxins at successive trophic levels of a food chain.

Multiple choice

The process of organisms cleaning up waste

  1. Phytoremediation

  2. Bioaccumulation

  3. Biomagnification

  4. Bioremediation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bioremediation is the use of microorganisms or other living organisms to consume and break down environmental pollutants.

Multiple choice

The process of organisms cleaning up waste

  1. Phytoremediation

  2. Bioaccumulation

  3. Biomagnification

  4. Bioremediation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bioremediation uses microorganisms to break down or remove environmental contaminants and waste. It differs from phytoremediation (which uses plants specifically), bioaccumulation (toxins building up in organisms), and biomagnification (toxins increasing up food chains).

Multiple choice social studies natural vegetation and communities dependent on forest land degradation wildlife resources human activities and environmental degradation

Forests help in maintaining balance between ___ and ____ in the atmosphere.

  1. Oxygen; carbon dioxide

  2. Karnataka

  3. Greenhouse

  4. Haryana
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Forests help in maintaining a balance between Oxygen and Carbon dioxide in the atmosphere.
Plants in forest release oxygen through the process of photosynthesis and thus helps in providing oxygen for respiration.

Multiple choice geography basic problems of an economy introduction to natural resources (eco) understanding development: perspectives, measurement and sustainability resources - types and conservation

CFCs (chloro-fluoro-carbons) are greenhouse gases that have caused a rise of 0.3-degree centigrade in the global temperatures in the past century. Name the CFC that is used in refrigerators.

  1. Carbon dioxide

  2. Freon

  3. Methane

  4. Ammonia
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Freon is a common trade name for a group of chlorofluorocarbons (CFCs) that were historically used as refrigerants in cooling systems.

Multiple choice

What is the term used for the process of breaking down old clothes into their original materials?

  1. Upcycling.

  2. Recycling.

  3. Composting.

  4. Landfilling.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Recycling is the process of breaking down old clothes into their original materials, which can then be used to create new products.

Multiple choice

What is the term used for the process of naturally decomposing old clothes?

  1. Upcycling.

  2. Recycling.

  3. Composting.

  4. Landfilling.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Composting is the process of naturally decomposing old clothes, which can then be used as a natural fertilizer.

Multiple choice

What is the term used for the process of disposing of old clothes in a landfill?

  1. Upcycling.

  2. Recycling.

  3. Composting.

  4. Landfilling.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Landfilling is the process of disposing of old clothes in a landfill, which is a large area of land where waste is buried.