Environmental Science Quiz

Ozone depletion is the thinning of the ozone layer, a region of the Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.

The lithosphere is the solid, rocky outer layer of the Earth, the hydrosphere is the total amount of water on the Earth, and the atmosphere is the layer of gases surrounding the Earth. Together, they form a complex and interconnected system that supports life.

Acid rain is caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere, which react with water to form sulfuric acid and nitric acid. These acids then fall to the Earth in rain, snow, or fog.

The 4 R's for sustainable development stand for Reduce, Recycle, Reuse, and Refuse. These principles aim to promote responsible consumption and minimize our impact on the environment.

The crude birth rate is the number of live births per 1,000 people in a year.

The biological oxygen demand (BOD) is a measure of the amount of oxygen required by microorganisms to break down organic matter in water. A higher BOD indicates a greater amount of organic pollution and a less healthy water environment.

Fossil fuels, such as coal and petroleum, are formed over millions of years from the remains of ancient organisms.

Afforestation is the process of planting trees on land that has not been forested for a long time. It is a key method for combating deforestation and improving the environment.

A public movement focusing on protecting and preserving natural resources, particularly against environmentally harmful projects.

The gradual increase in the Earth's average temperature due to the buildup of greenhouse gases in the atmosphere.

Substances that can't be broken down by natural processes, posing a threat to the environment.

A type of air pollution primarily occurring in urban areas, resulting from the interaction of sunlight with pollutants like nitrogen oxides and volatile organic compounds.

Resources that are renewable and can be replenished naturally over time.

The Green Revolution refers to the significant increases in agricultural production that occurred in developing countries during the latter half of the 20th century. It involved technological advancements such as high-yielding crop varieties, improved irrigation, and use of fertilizers and pesticides, leading to a dramatic rise in food production.

Ozone (O3) is a gas in the Earth's atmosphere that absorbs most of the Sun's harmful ultraviolet (UV) radiation, shielding life from its damaging effects.

The Antarctic Treaty is an international agreement signed in 1959 to regulate activities in Antarctica. It restricts military activities and nuclear testing, emphasizing scientific research collaboration and environmental protection.

Biomedical waste refers to infectious or potentially infectious waste materials produced mainly in hospitals, clinics, and research labs. It includes items like contaminated needles, blood, and tissues, requiring special handling and disposal to prevent disease transmission.

Desertification is a land degradation process where fertile lands become dry and barren, resembling deserts. It is often caused by human activities such as deforestation, overgrazing, and unsustainable farming practices.

The process of converting waste materials into reusable or valuable resources.

Pollution caused by chemicals and fertilizers used in farming that contaminate water sources.

An international agreement aiming to protect the ozone layer by phasing out harmful substances that deplete it.

A natural area where plants, animals, and microorganisms interact with the environment.

A colorless, odorless gas that is a major contributor to global warming.

The unit used to measure the intensity of sound.

The collective animal life of a region.

A powerful, rotating storm with high wind speeds that forms over tropical waters.

A violent tropical storm with high winds, heavy rain, and a low-pressure center.

The layer of the Earth's atmosphere that lies above the troposphere and below the mesosphere, characterized by the presence of the ozone layer.

A type of environmental education that aims to raise awareness about the environment and promote responsible behavior.

A movement by women in Tehri-Garhwal, Uttarakhand, famously known for their non-violent protests against deforestation and environmental destruction.

A site outside the city where municipal waste is collected and disposed of by burying it in layers.

The process by which carbon moves between living organisms, the atmosphere, the oceans, and the Earth's crust. It involves photosynthesis, respiration, decomposition, and combustion. It's crucial for maintaining life on Earth.

The layer of the atmosphere that protects Earth from harmful ultraviolet (UV) radiation from the sun. It contains high concentrations of ozone gas, which absorbs UV rays.

A species that is at risk of extinction due to a decline in population. It's important to protect these species to prevent complete loss.

A species with a very small population, facing a high risk of extinction in the near future. These species need immediate conservation efforts for survival.

A type of pollution caused by the release of harmful chemicals, such as sulfur dioxide (SO2), into the atmosphere, resulting in acidic rain that damages ecosystems.

A major international conference focused on addressing environmental issues and sustainable development. It's also known as 'Earth Summit' and aims to find solutions to global environmental problems.

Excessive use of fertilizers in agriculture can lead to soil pollution, harming soil health and reducing its fertility.