<–2/”>a >Specially designed mock Quiz for Environment for the systematic coverage of PSC Exam prelims syllabus and practice.
History Free Mock Quiz has 30 questions. If any issue is observed with answer students may comment below
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Environmental science is the study of the interactions between humans and the environment. It is a multidisciplinary field that draws on biology, chemistry, physics, geology, and other sciences to understand the natural world and how human activities are affecting it.
Environmental science is important because it helps us to understand the impact that our actions have on the planet. It can also help us to develop solutions to environmental problems, such as Climate change, pollution, and Biodiversity-2/”>Biodiversity loss.
There are many different branches of environmental science, each of which focuses on a different aspect of the environment. Some of the major branches of environmental science include:
- Atmospheric science: The study of the Atmosphere and its effects on the Earth’s climate.
- Biogeochemistry: The study of the chemical and physical processes that occur in the Earth’s Biosphere.
- ECOLOGY: The study of the interactions between organisms and their environment.
- Environmental engineering: The application of engineering principles to solve environmental problems.
- Environmental policy: The development and implementation of laws and regulations to protect the environment.
- Environmental toxicology: The study of the harmful effects of chemicals on the environment.
Environmental science is a rapidly growing field, and there are many opportunities for careers in this area. Some of the jobs that environmental scientists can do include:
- Environmental consultant: Environmental consultants help businesses and organizations to comply with environmental regulations.
- Environmental engineer: Environmental engineers design and build systems to protect the environment.
- Environmental scientist: Environmental scientists conduct research on environmental problems and develop solutions.
- Environmental educator: Environmental educators teach people about the environment and how to protect it.
If you are interested in a career in environmental science, there are many different paths that you can take. You can get a degree in environmental science, or you can get a degree in a related field, such as biology, chemistry, or engineering. You can also get experience in environmental science by volunteering or working part-time in an environmental organization.
Environmental science is a challenging but rewarding field. If you are interested in making a difference in the world, a career in environmental science may be the right choice for you.
Here are some of the major environmental problems facing the world today:
- Climate Change: Climate change is the long-term change in the Earth’s climate. It is caused by the emission of greenhouse gases, such as carbon dioxide, into the atmosphere. Climate change is causing the Earth’s temperature to rise, which is leading to a number of problems, such as sea level rise, extreme weather events, and changes in plant and animal life.
- Pollution: Pollution is the contamination of the environment with harmful substances. Pollution can come from a variety of sources, such as factories, cars, and farms. Pollution can cause a number of problems, such as respiratory problems, heart disease, and cancer.
- Biodiversity loss: Biodiversity loss is the decline in the variety of life on Earth. It is caused by a number of factors, such as habitat loss, overexploitation, and pollution. Biodiversity loss is a serious problem, as it can lead to the extinction of species and the disruption of Ecosystems.
- Deforestation: Deforestation is the clearing of forests for other uses, such as agriculture, mining, and development. Deforestation is a major problem, as it can lead to the loss of biodiversity, Soil erosion, and climate change.
- Water scarcity: Water scarcity is the lack of sufficient water to meet the needs of a Population. It is caused by a number of factors, such as climate change, population Growth, and pollution. Water scarcity is a serious problem, as it can lead to conflict, hunger, and disease.
These are just some of the major environmental problems facing the world today. It is important to be aware of these problems and to take action to address them. We can all make a difference by reducing our impact on the environment, supporting environmental organizations, and advocating for policies that protect the environment.
Topic 1: The Earth’s Atmosphere
What is the atmosphere?
The atmosphere is the layer of gases that surrounds the Earth. It is held in place by the Earth’s gravity.What are the main gases in the atmosphere?
The main gases in the atmosphere are nitrogen (78%), Oxygen (21%), argon (0.9%), and carbon dioxide (0.04%).What are the functions of the atmosphere?
The atmosphere protects the Earth from harmful radiation, provides oxygen for life, and helps to regulate the Earth’s temperature.What are the different layers of the atmosphere?
The atmosphere is divided into four layers: the Troposphere, the Stratosphere, the Mesosphere, and the Thermosphere.What is the troposphere?
The troposphere is the lowest layer of the atmosphere. It is where most of the Earth’s weather occurs.What is the stratosphere?
The stratosphere is the second layer of the atmosphere. It is where the ozone layer is located.What is the mesosphere?
The mesosphere is the third layer of the atmosphere. It is the coldest layer of the atmosphere.What is the thermosphere?
The thermosphere is the fourth layer of the atmosphere. It is the hottest layer of the atmosphere.
Topic 2: The Earth’s Climate
What is climate?
Climate is the Average weather conditions in a place over a long period of time.What are the factors that affect climate?
The factors that affect climate include the Earth’s orbit around the sun, the Earth’s tilt, the Earth’s atmosphere, and the Earth’s Oceans.What are the different Types of Climate?