1.
"World Environmental Day" and "World Water Day" are observed on?
Correct Answer
D. World Environment Day on 5th June and World Water Day on 22nd March
Explanation
World Environment Day is observed on 5th June and World Water Day is observed on 22nd March.
2.
Grassland is an example of which type of ecosystem?
Correct Answer
B. Terrestrial
Explanation
Grassland is an example of a terrestrial ecosystem because it is a land-based ecosystem characterized by the presence of grasses and other herbaceous plants. Terrestrial ecosystems are found on land and include various habitats such as forests, grasslands, deserts, and wetlands. Aquatic ecosystems, on the other hand, are water-based ecosystems such as oceans, lakes, and rivers. Wetlands are transitional ecosystems between terrestrial and aquatic environments, while deserts are arid and dry land ecosystems.
3.
Almost 99% of clean air consists of two gases which are-
Correct Answer
D. Nitrogen and Oxygen
Explanation
Almost 99% of clean air consists of nitrogen and oxygen. These two gases are the main components of Earth's atmosphere. Nitrogen makes up about 78% of the air, while oxygen accounts for approximately 21%. Carbon dioxide, although present in the atmosphere, is only found in trace amounts, around 0.04%. Argon, another gas mentioned in the options, is also present in very small quantities. Therefore, the correct answer is nitrogen and oxygen.
4.
Which country is known for its global mega biodiversity hotspot comprising more than 55000 flowering plants?
Correct Answer
C. Brazil
Explanation
Brazil is known for its global mega biodiversity hotspot comprising more than 55,000 flowering plants. This is due to the country's vast and diverse ecosystems, including the Amazon rainforest, which is the largest tropical rainforest in the world. Brazil's rich biodiversity is also attributed to its unique geographic features, such as the Pantanal wetlands and the Atlantic Forest. These ecosystems support a wide range of plant species, making Brazil a renowned hotspot for floral diversity.
5.
Which area of Western Ghats is known for floral biodiversity and became a part of a UNESCO World Natural Heritage Site in the year 2012?
Correct Answer
B. Kas Plateau
Explanation
Kas Plateau is known for its floral biodiversity and became a part of a UNESCO World Natural Heritage Site in 2012.
6.
Which of the following is a non-conventional source of energy does not responsible for any kind of pollution-
Correct Answer
C. Solar
Explanation
Solar energy is a non-conventional source of energy that does not cause any pollution. Unlike coal, natural gas, and petroleum, which are fossil fuels and release harmful emissions when burned, solar energy harnesses the power of the sun to generate electricity. Solar panels convert sunlight into usable energy without producing any greenhouse gases or pollutants. Therefore, solar energy is a clean and sustainable alternative to traditional sources of energy and does not contribute to air pollution or climate change.
7.
Which is the biggest thermal power plant in India?
Correct Answer
B. Vindhyachal Thermal Power Plant
Explanation
Vindhyachal Thermal Power Plant is the biggest thermal power plant in India. The reason for this is not provided, but it could be due to its large capacity and generation of electricity.
8.
The cyclone hit West Bengal and Orissa coast in May 2020, causing the fatalities of around 128-
Correct Answer
B. AmpHan
Explanation
The question states that the cyclone hit West Bengal and Orissa coast in May 2020 and caused the fatalities of around 128. The correct answer is "Amphan" as it is the only option mentioned that matches the given information.
9.
Who is the father of India's green revolution?
Correct Answer
A. MS Swaminathan
Explanation
MS Swaminathan is considered the father of India's green revolution because of his significant contributions to agricultural development in the country. He is an Indian geneticist and agricultural scientist who played a crucial role in introducing high-yielding varieties of wheat and rice, which helped increase agricultural productivity and reduce hunger and poverty in India. Swaminathan's research and advocacy for sustainable farming practices and agricultural policies have had a lasting impact on India's agricultural sector, earning him the title of the father of India's green revolution.
10.
The city is known as a “Garden City” as well as the “Silicon City” of India.
Correct Answer
C. Bangalore
Explanation
Bangalore is known as the "Garden City" because of its numerous parks and green spaces, which contribute to its lush and beautiful environment. It is also referred to as the "Silicon City" of India due to its thriving IT industry and being home to many multinational technology companies. This nickname highlights Bangalore's reputation as a major hub for technology and innovation in the country.
11.
Changes in the environment observed due to the lockdown are-
Correct Answer
C. C) Both A & B
Explanation
During the lockdown, there has been a significant reduction in human activities such as industrial production, transportation, and travel. This has led to a decrease in air pollution as fewer emissions are released into the atmosphere. Additionally, with reduced human activity, there has been less pollution entering rivers, resulting in cleaner water. Therefore, both the improvement in air quality and the cleaning of river water can be observed as changes in the environment due to the lockdown.
12.
It is not a major consequence of Global Warming-
Correct Answer
D. Formation of mountain ranges
Explanation
Global warming is primarily caused by the increase in greenhouse gases in the atmosphere, leading to rising temperatures and resulting in various consequences. Climatic changes, rise of mean sea level of water, and submergence of coastal lowland areas are all direct consequences of global warming. However, the formation of mountain ranges is a geological process that occurs over millions of years and is not directly related to global warming. Therefore, it is not considered a major consequence of global warming.
13.
If the areas in and around cities are generally warmer than comparable rural areas are known as
Correct Answer
B. Urban HeatIsland
Explanation
Urban Heat Island refers to the phenomenon where urban areas experience higher temperatures compared to surrounding rural areas. This is primarily due to the concentration of buildings, asphalt, and other infrastructure in cities, which absorb and retain heat. Additionally, the lack of vegetation and the release of waste heat from human activities contribute to the urban heat island effect. This phenomenon can have various impacts on the environment and human health, such as increased energy consumption, elevated air pollution levels, and heat-related illnesses.
14.
The fundamental objectives of Environmental Education are-
Correct Answer
D. All of the above
Explanation
The correct answer is "All of the above" because the fundamental objectives of Environmental Education include creating awareness about the optimized rational use of natural resources, deciding and enacting socio-cultural and economic actions to maintain ecological balance, and acting aggressively for environmental conservation. These objectives aim to promote sustainable practices and protect the environment for future generations.
15.
The primary objective of Ecotourism is
Correct Answer
A. Conservation of Environment
Explanation
Ecotourism is a form of tourism that focuses on responsible travel to natural areas, with the aim of conserving the environment and improving the well-being of local communities. The primary objective of ecotourism is to promote the conservation of the environment. This means that ecotourism aims to minimize the negative impacts of tourism on the environment, such as pollution and habitat destruction, while also supporting the protection and preservation of natural resources. By encouraging sustainable practices and raising awareness about the importance of environmental conservation, ecotourism contributes to the long-term preservation of our planet's ecosystems.
16.
It is a comparatively perfect plastic and e-waste disposal method-
Correct Answer
C. Recycling
Explanation
Recycling is considered a comparatively perfect plastic and e-waste disposal method because it involves the process of converting waste materials into reusable materials. This method helps reduce the amount of waste that ends up in landfills or gets burned, which can have harmful environmental effects. Recycling also conserves natural resources and reduces the need for extracting, refining, and processing raw materials, making it an environmentally friendly option for disposing of plastic and e-waste.
17.
The main source of Ganga river water pollution is-
Correct Answer
A. Sewage water
Explanation
The main source of Ganga river water pollution is sewage water. Sewage water contains various pollutants such as human waste, chemicals, and other contaminants that are discharged into the river. This leads to the contamination of the water and poses a threat to the ecosystem and human health. Efforts are being made to treat sewage water and reduce its impact on the river, but it remains a significant source of pollution.
18.
A famous environmentalist who is associated with the Chipko Movement related to the conservation of forests.
Correct Answer
A. Sunderlal Bahuguna
Explanation
Sunderlal Bahuguna is the correct answer because he is indeed a famous environmentalist associated with the Chipko Movement. The Chipko Movement was a grassroots environmental movement in India in the 1970s that aimed to protect forests from deforestation and promote sustainable development. Sunderlal Bahuguna played a crucial role in leading and organizing this movement, which involved hugging trees to prevent them from being cut down. His efforts and activism brought attention to the importance of forest conservation and inspired similar movements around the world.
19.
The United Nations Conference on Environment and Development was convened in Rio de Janeiro from June 3rd to 14th June, 1992, which is also known as.
Correct Answer
C. Earth Summit
Explanation
The correct answer is "Earth Summit" because the United Nations Conference on Environment and Development, which took place in Rio de Janeiro from June 3rd to 14th June 1992, is commonly referred to as the Earth Summit. This summit brought together world leaders to discuss environmental issues and sustainable development.
20.
The Environment Protection Act was enacted in India in the year-
Correct Answer
C. 1986
Explanation
The correct answer is 1986. The Environment Protection Act was enacted in India in 1986. This act was introduced to protect and improve the environment and to prevent and control pollution. It provides the framework for the coordination of activities between the central and state governments in relation to environmental protection. The act also establishes various authorities and powers to enforce environmental regulations and standards.