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Generate QuizEnvironment – Medium Level – GK Questions
Free practice for SSC, UPSC, Banking & Railway exams. No login required.
Which of the following is a volatile organic compound (VOC) commonly found in indoor air?
- Oxygen
- Formaldehyde
- Nitrogen
- Argon
Answer: Formaldehyde
Formaldehyde, emitted from paints, adhesives, and furniture, is a VOC that can cause respiratory irritation and is classified as a carcinogen.
The process by which a substance accumulates in an organism at a rate faster than it is eliminated is called bio_____.
- Degradation
- Accumulation
- Dilution
- Transformation
Answer: Accumulation
Bioaccumulation of persistent pollutants like mercury or DDT in tissues can lead to toxic effects and biomagnification up the food chain.
Eutrophication of water bodies is often caused by excess nutrients like nitrogen and phosphorus from agricultural runoff.
- True
- False
Answer: True
Nutrient enrichment triggers algal blooms; subsequent decomposition depletes dissolved oxygen, causing fish kills and ecosystem imbalance.
The chemical formula for ozone, a molecule composed of three oxygen atoms, is _____.
- O2
- O3
- CO2
- H2O
Answer: O3
Ozone (O3) in the stratosphere protects from UV radiation, but at ground level it is a harmful pollutant and greenhouse gas.
Which of the following is a primary component of photochemical smog?
- Sulphur dioxide
- Ground-level ozone
- Carbon monoxide
- Particulate matter only
Answer: Ground-level ozone
Photochemical smog forms when sunlight triggers reactions between NOx and VOCs, producing ozone, PAN, and other secondary pollutants harmful to health.
Which of the following is a benefit of promoting non-motorized transport (walking and cycling) in cities?
- Increased air pollution
- Improved public health, reduced emissions, and enhanced livability
- Higher traffic congestion
- Greater dependence on fossil fuels
Answer: Improved public health, reduced emissions, and enhanced livability
Active transport encourages physical activity, lowers greenhouse gases, reduces noise, and creates people-friendly urban spaces.
Which of the following is a strategy for sustainable urban waste management?
- Open dumping of waste
- Source segregation, recycling, composting, and scientific landfilling
- Burning waste in open areas
- Exporting all waste to other regions
Answer: Source segregation, recycling, composting, and scientific landfilling
Integrated waste management prioritizes waste reduction, resource recovery, and safe disposal to minimize environmental and health impacts.
The 'Atal Mission for Rejuvenation and Urban Transformation' (AMRUT) focuses on developing _____ infrastructure in cities.
- Space exploration
- Water supply, sewerage, urban transport, and green spaces
- Mining operations
- Defense facilities
Answer: Water supply, sewerage, urban transport, and green spaces
AMRUT aims to ensure basic urban infrastructure services for improved quality of life, especially for the poor and disadvantaged.
Green roofs and vertical gardens in urban areas can help mitigate heat island effect and improve air quality.
- True
- False
Answer: True
Vegetated building surfaces provide insulation, absorb CO2, filter pollutants, reduce stormwater runoff, and enhance urban biodiversity.
The 'Smart Cities Mission' in India aims to develop cities that provide core infrastructure, a clean and sustainable environment, and application of _____.
- Traditional methods only
- Smart solutions and digital technologies
- Manual processes exclusively
- Paper-based administration
Answer: Smart solutions and digital technologies
Smart Cities leverage ICT, IoT, and data analytics for efficient service delivery, resource management, and citizen engagement in urban governance.
Which of the following is a characteristic of a 'Sustainable City'?
- High dependence on private vehicles
- Integrated public transport, green spaces, and waste management systems
- Unplanned urban sprawl
- Excessive consumption of non-renewable resources
Answer: Integrated public transport, green spaces, and waste management systems
Sustainable cities prioritize compact design, multimodal transport, resource efficiency, and livability to reduce ecological footprint and enhance quality of life.
Which of the following is a key strategy for effective environmental communication?
- Using technical jargon exclusively
- Tailoring messages to audience values, culture, and context
- Ignoring feedback and dialogue
- Focusing only on negative consequences
Answer: Tailoring messages to audience values, culture, and context
Audience-centered communication that resonates with local beliefs and priorities is more likely to inspire understanding, attitude change, and action.
Which of the following is a benefit of environmental interpretation in protected areas?
- Restricting all visitor access
- Enhancing visitor understanding, appreciation, and support for conservation
- Promoting commercial exploitation of resources
- Ignoring local cultural contexts
Answer: Enhancing visitor understanding, appreciation, and support for conservation
Interpretation through signage, guides, and exhibits connects visitors emotionally and intellectually to nature, fostering stewardship and responsible behavior.
The 'Swachh Vidyalaya' initiative focuses on promoting _____ in schools across India.
- Academic excellence only
- Sanitation, hygiene, and environmental cleanliness
- Sports facilities only
- Digital infrastructure only
Answer: Sanitation, hygiene, and environmental cleanliness
Swachh Vidyalaya ensures functional toilets, handwashing stations, waste management, and cleanliness drives to create healthy learning environments.
Mass media campaigns can effectively raise public awareness and influence pro-environmental behaviors.
- True
- False
Answer: True
Strategic communication through TV, radio, social media, and print can disseminate information, shape attitudes, and motivate collective action for sustainability.
The 'Eco-Clubs' programme in Indian schools, known as 'National Green Corps' (NGC), is implemented by the _____.
- Ministry of Education
- Ministry of Environment, Forest and Climate Change
- Ministry of Sports
- Ministry of Finance
Answer: Ministry of Environment, Forest and Climate Change
NGC-Eco clubs engage students in environmental activities, fostering eco-consciousness and community participation in conservation efforts.
Which of the following is a key component of Environmental Education as per the National Curriculum Framework?
- Rote memorization of facts
- Developing critical thinking, values, and action competence for sustainability
- Excluding local environmental issues
- Focusing only on theoretical knowledge
Answer: Developing critical thinking, values, and action competence for sustainability
Environmental education aims to foster awareness, knowledge, attitudes, skills, and participation to address environmental challenges effectively.
Which of the following is a key objective of India's 'Perform, Achieve and Trade' (PAT) scheme?
- Promoting fossil fuel subsidies
- Improving energy efficiency in energy-intensive industries through market-based mechanisms
- Banning all industrial production
- Increasing coal imports
Answer: Improving energy efficiency in energy-intensive industries through market-based mechanisms
PAT, under the National Mission for Enhanced Energy Efficiency, sets specific energy consumption targets and allows trading of energy savings certificates.
Which of the following is a challenge in valuing ecosystem services?
- Easy quantification of all benefits
- Many services are non-market goods with no direct price
- Universal agreement on valuation methods
- Abundance of market data for all services
Answer: Many services are non-market goods with no direct price
Services like pollination, climate regulation, or cultural values lack market prices, requiring complex methods like contingent valuation for estimation.
The 'Payment for Ecosystem Services' (PES) approach compensates landowners for managing land to provide _____ benefits.
- Industrial
- Environmental
- Urban
- Financial
Answer: Environmental
PES schemes incentivize conservation by paying providers for services like watershed protection, carbon sequestration, or biodiversity conservation.