Introduction Ecological restoration is the process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyed. It aims to return the ecosystem to a healthy, functioning state by reinstating its natural structure, biodiversity, and ecological processes. …
1. Which of the following is the primary objective of ecological restoration? A) To preserve the current ecosystem B) To recreate a functional and self-sustaining ecosystem C) To expand agricultural production D) To increase industrial growth Answer: B) To recreate …
Introduction In recent decades, the environmental crisis has escalated, fueled by over-consumption, waste generation, and the unsustainable use of natural resources. As the global population continues to rise and industries expand, the demand for resources has reached unprecedented levels, leading …
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 …
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) …
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) …
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. …
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 …
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, …
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 …
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 …
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 …
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 …
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) …
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 …
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 …
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 …
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 …
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 …
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: …
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 …
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