SSC CGL Exam  >  SSC CGL Tests  >  General Awareness for SSC CGL  >  Test: Environmental Chemistry - SSC CGL MCQ

Test: Environmental Chemistry - SSC CGL MCQ


Test Description

15 Questions MCQ Test General Awareness for SSC CGL - Test: Environmental Chemistry

Test: Environmental Chemistry for SSC CGL 2024 is part of General Awareness for SSC CGL preparation. The Test: Environmental Chemistry questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: Environmental Chemistry MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Environmental Chemistry below.
Solutions of Test: Environmental Chemistry questions in English are available as part of our General Awareness for SSC CGL for SSC CGL & Test: Environmental Chemistry solutions in Hindi for General Awareness for SSC CGL course. Download more important topics, notes, lectures and mock test series for SSC CGL Exam by signing up for free. Attempt Test: Environmental Chemistry | 15 questions in 10 minutes | Mock test for SSC CGL preparation | Free important questions MCQ to study General Awareness for SSC CGL for SSC CGL Exam | Download free PDF with solutions
Test: Environmental Chemistry - Question 1

What is the primary function of the atmosphere in relation to ecosystems?

Detailed Solution for Test: Environmental Chemistry - Question 1

The atmosphere plays a crucial role in ecosystems by providing essential gases like oxygen, nitrogen, and carbon dioxide. Oxygen is necessary for respiration in plants and animals, while carbon dioxide is essential for photosynthesis, the process by which plants make their food. This interaction between living organisms and the atmosphere is vital for the sustenance of life on Earth.

Test: Environmental Chemistry - Question 2

Which layer of the atmosphere is responsible for absorbing the majority of harmful UV radiation?

Detailed Solution for Test: Environmental Chemistry - Question 2

The stratosphere is the layer of the atmosphere responsible for absorbing about 99.5% of harmful UV radiation. This is made possible by the presence of the ozone layer within the stratosphere, which acts as a shield against the damaging effects of UV radiation on life forms on Earth. Without this protective layer, the Earth's surface would be exposed to much higher levels of harmful UV rays.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Environmental Chemistry - Question 3

What do biotic components refer to in an ecosystem?

Detailed Solution for Test: Environmental Chemistry - Question 3

Biotic components in an ecosystem encompass living organisms. These components play a crucial role in the ecosystem's balance and include plants, animals, fungi, and microorganisms. They interact with each other and with abiotic factors like sunlight and soil to form complex and interconnected systems.

Test: Environmental Chemistry - Question 4

How do biotic factors influence other organisms in an ecosystem?

Detailed Solution for Test: Environmental Chemistry - Question 4

Biotic factors impact other organisms in various ways, including affecting their behavior. For instance, predators hunt prey, herbivores consume plants, and symbiotic relationships exist where two species rely on each other for survival. These interactions shape the dynamics and diversity of ecosystems.

Test: Environmental Chemistry - Question 5

What are primary pollutants?

Detailed Solution for Test: Environmental Chemistry - Question 5

Primary pollutants are substances that persist in the environment in their original form. For example, sulfur dioxide (SO2) and nitrogen dioxide (NO2) are considered primary pollutants. These pollutants are directly emitted into the atmosphere through various human activities, such as burning of fossil fuels and industrial processes. Their presence in the atmosphere can have direct impacts on air quality and human health.

Test: Environmental Chemistry - Question 6

Which industry is mentioned to significantly impact the environment by polluting air, water, and soil?

Detailed Solution for Test: Environmental Chemistry - Question 6

The iron and steel industry is highlighted as significantly impacting the environment by polluting air, water, and soil. This industry releases a variety of pollutants into the environment, including CO2, SO2, NOx, CO, H2S, PAN, as well as heavy metals like lead (Pb), nickel (Ni), and cadmium (Cd). The pollutants from this industry can have detrimental effects on both the environment and human health, making it a significant concern for environmental management and regulation.

Test: Environmental Chemistry - Question 7

What are the major gaseous air pollutants?

Detailed Solution for Test: Environmental Chemistry - Question 7

The major gaseous air pollutants discussed in the content are sulfur dioxide, carbon monoxide, nitrogen dioxide, and hydrocarbons. Each of these pollutants poses distinct threats to the environment and human health. Sulfur dioxide contributes to respiratory diseases and acid rain, nitrogen dioxide harms living tissues and contributes to smog formation, carbon monoxide interferes with oxygen delivery in the body, and hydrocarbons are linked to various health and environmental issues.

Test: Environmental Chemistry - Question 8

How do absorbers contribute to the prevention and control of air pollution ?

Detailed Solution for Test: Environmental Chemistry - Question 8

Absorbers play a crucial role in controlling air pollution by removing one or more pollutants from gaseous effluents. By capturing harmful substances from industrial emissions and other sources, absorbers help reduce the release of pollutants into the atmosphere, thus mitigating their adverse effects on air quality and human health.

Test: Environmental Chemistry - Question 9

What is the primary purpose of the ozone layer in the stratosphere?

Detailed Solution for Test: Environmental Chemistry - Question 9

The ozone layer in the stratosphere serves the crucial function of absorbing the Sun's harmful ultraviolet radiation. This absorption helps in protecting living organisms on Earth from the damaging effects of excessive UV exposure.

Test: Environmental Chemistry - Question 10

Which human health issues can result from the depletion of the ozone layer?

Detailed Solution for Test: Environmental Chemistry - Question 10

Depletion of the ozone layer can lead to serious health issues in humans, such as skin cancer and cataracts. These conditions are primarily caused by the increased penetration of harmful UV radiation due to ozone depletion.

Test: Environmental Chemistry - Question 11

What is the primary purpose of recycling as a pollution control strategy?

Detailed Solution for Test: Environmental Chemistry - Question 11

Recycling, as a pollution control strategy, primarily aims to convert waste into useful products. This process helps in reducing the amount of waste that ends up in landfills or natural environments, promoting sustainability and resource conservation.

Test: Environmental Chemistry - Question 12

How does incineration contribute to pollution control efforts?

Detailed Solution for Test: Environmental Chemistry - Question 12

Incineration plays a crucial role in pollution control by burning organic materials at temperatures exceeding 1000°C in excess oxygen. This process converts waste into harmless carbon dioxide and water, significantly reducing the volume of waste that would otherwise be disposed of in landfills or released into the environment.

Test: Environmental Chemistry - Question 13

Which of the following components of the environment encompasses all water sources on Earth?

Detailed Solution for Test: Environmental Chemistry - Question 13

The hydrosphere includes all water sources on Earth, such as oceans, rivers, lakes, and ponds. This component of the environment is vital for supporting various forms of life and plays a critical role in global climate regulation, nutrient cycling, and the overall functioning of ecosystems.

Test: Environmental Chemistry - Question 14

Why do biotic factors require energy and food in an ecosystem?

Detailed Solution for Test: Environmental Chemistry - Question 14

Biotic factors need energy and food primarily for respiration and growth. Energy is essential for carrying out life processes like metabolism, movement, and reproduction. Without a constant supply of energy and nutrients, organisms cannot sustain themselves or contribute effectively to the ecosystem's functioning.

Test: Environmental Chemistry - Question 15

What distinguishes secondary pollutants from primary pollutants?

Detailed Solution for Test: Environmental Chemistry - Question 15

Secondary pollutants are different from primary pollutants in that they are not directly emitted into the atmosphere but form through chemical reactions involving primary pollutants. Examples of secondary pollutants include peroxyacetyl nitrate (PAN), ozone (O3), and various aldehydes. These pollutants are often more complex in composition and can have diverse impacts on air quality and human health compared to primary pollutants.

464 videos|571 docs|394 tests
Information about Test: Environmental Chemistry Page
In this test you can find the Exam questions for Test: Environmental Chemistry solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Environmental Chemistry, EduRev gives you an ample number of Online tests for practice

Top Courses for SSC CGL

464 videos|571 docs|394 tests
Download as PDF

Top Courses for SSC CGL