1. What is the primary goal of a circular economy? A) Maximizing waste production B) Reducing resource consumption and waste generation C) Increasing carbon emissions D) Promoting linear consumption patterns Answer: B) Reducing resource consumption and waste generation 2. Which of the following best describes the concept of a circular …
Environment and Ecology for Civil Services Examination
Introduction The Earth’s climate system has undergone significant changes in recent decades, with an overwhelming shift towards warming temperatures, more erratic weather patterns, and rising sea levels. At the core of these transformations is the increase in greenhouse gas (GHG) emissions, which primarily result from human activities such as burning …
1. What is the primary cause of the increase in greenhouse gas emissions globally? a) Deforestation b) Industrialization c) Agricultural practices d) Energy production Answer: d) Energy production 2. Which greenhouse gas is the most abundant in Earth’s atmosphere? a) Methane b) Nitrous oxide c) Carbon dioxide d) Ozone Answer: …
Introduction Urbanization is a global phenomenon that has brought about unprecedented socio-economic development, yet it has also posed significant environmental challenges. One of the most pressing issues faced by urban areas across the world today is the management of waste. As cities grow and industrialization accelerates, the volume and diversity …
1. What is the primary source of municipal solid waste in urban areas? A) Industrial waste B) Household waste C) Agricultural waste D) Construction debris Answer: B) Household waste 2. Which of the following is NOT a method of waste disposal? A) Landfilling B) Incineration C) Composting D) Recycling Answer: …
Introduction Coral reefs are often referred to as the “rainforests of the sea” due to their high biodiversity and crucial role in marine ecosystems. Spanning approximately 0.1% of the ocean’s surface, coral reefs support nearly 25% of all marine life, making them one of the most productive ecosystems on Earth. …
1. Which of the following is the primary cause of coral bleaching? A) Ocean acidification B) Pollution C) Increased sea temperatures D) Overfishing Answer: C) Increased sea temperatures 2. The largest coral reef system in the world is located in which of the following countries? A) India B) Australia …
Introduction: The ozone layer, a thin shield of ozone (O₃) molecules in the Earth’s stratosphere, plays a crucial role in safeguarding life on our planet by absorbing most of the sun’s harmful ultraviolet (UV) radiation. This layer, situated about 10 to 30 miles above Earth’s surface, acts as a …
1. Which of the following is the primary cause of ozone layer depletion? a) Carbon dioxide b) Chlorofluorocarbons (CFCs) c) Methane d) Nitrous oxide Answer: b) Chlorofluorocarbons (CFCs) 2. The ozone layer is mainly located in which layer of Earth’s atmosphere? a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere …
Introduction In an increasingly interconnected world, environmental issues often transcend national borders, necessitating collective responses. One of the most pressing challenges in this context is transboundary pollution, which occurs when pollutants from one country affect the environmental health of neighboring countries. This type of pollution can take various forms, including …
What is the primary cause of transboundary pollution? a) Local industrial activities b) Natural disasters c) Cross-border movement of pollutants d) UrbanizationAnswer: c) Cross-border movement of pollutants Which of the following is an example of transboundary air pollution? a) Ozone depletion b) Greenhouse gas emissions from vehicles c) Forest …
Introduction In the 21st century, as environmental degradation and climate change become increasingly prevalent, the need for ecological awareness has never been more urgent. From the rapidly shrinking biodiversity to the alarming rise in pollution levels, the planet faces significant environmental challenges that demand immediate action. Environmental education (EE) …
Which of the following is a primary goal of environmental education?a) Promoting industrial growth b) Raising awareness about ecological issues c) Reducing academic curriculum d) Increasing economic productivityAnswer: b) Raising awareness about ecological issues Environmental education primarily aims to develop which of the following?a) Economic strategies for industrialization b) …
Introduction Coastal areas, which encompass beaches, wetlands, mangroves, coral reefs, and estuaries, are integral to a country’s economic, environmental, and cultural identity. In India, the vast coastline spanning over 7,500 km holds immense significance. These coastal zones are home to millions of people, provide critical resources for industries like …
1. What is the primary objective of coastal zone management? a) Promote industrial growth b) Prevent urban development c) Balance ecological conservation with sustainable development d) Increase maritime traffic Answer: c) Balance ecological conservation with sustainable development 2. The Coastal Regulation Zone (CRZ) notification was first issued in which …
Introduction Industrialization has been a cornerstone of economic growth, transforming India into one of the fastest-growing economies in the world. However, this rapid industrial expansion comes with a significant environmental cost, particularly in the form of deteriorating air quality. From coal-based power plants to heavy industries and burgeoning urban centers, …
1. Which of the following is the most significant air pollutant emitted by industries in India? a) Carbon dioxide (CO2) b) Sulfur dioxide (SO2) c) Nitrogen d) Hydrogen Answer: b) Sulfur dioxide (SO2) 2. The term “AQI” stands for: a) Air Quality Index b) Air Quantitative Index c) Atmospheric …
Introduction The Himalayas, often referred to as the “Third Pole,” are a majestic chain of mountains that not only symbolize grandeur but also serve as a critical lifeline for millions of people across South Asia. Spanning over 2,400 kilometers across five countries, including India, this mountain range is home to …
1. What percentage of India’s geographical area is covered by the Himalayan region? A) 10% B) 16.2% C) 18.5% D) 21% Answer: B) 16.2% 2. Which of the following is a primary source of freshwater for the Himalayan region? A) Groundwater B) Glaciers C) Lakes D) Rainwater Answer: B) Glaciers …
Introduction Water, often regarded as the lifeline of civilization, is fundamental for human survival and socio-economic development. Despite being a vital resource, water scarcity is a pressing challenge in India, where burgeoning population growth, urbanization, and climate change have compounded the issue. With 18% of the world’s population but only …
1. What is the primary cause of water scarcity in India? A) Overpopulation B) Climate Change C) Inefficient water management D) All of the above Answer: D) All of the above 2. What percentage of India’s total water is used for agriculture? A) 50% B) 60% C) 80% D) …