Environment – MCQ – GK Questions

Conservation agriculture enhances soil health, water retention, and biodiversity while reducing erosion and input costs for sustainable farming.

Green chemistry promotes sustainable practices like atom economy, safer solvents, renewable feedstocks, and energy efficiency to minimize environmental impact.

Formaldehyde, emitted from paints, adhesives, and furniture, is a VOC that can cause respiratory irritation and is classified as a carcinogen.

These treatment methods convert dissolved metals into insoluble forms or bind them to media for removal, preventing aquatic toxicity.

Sulphur dioxide and nitrogen oxides from fossil fuel combustion react with atmospheric moisture to form sulfuric and nitric acids, causing acid rain.

Photochemical smog forms when sunlight triggers reactions between NOx and VOCs, producing ozone, PAN, and other secondary pollutants harmful to health.

Active transport encourages physical activity, lowers greenhouse gases, reduces noise, and creates people-friendly urban spaces.

Integrated waste management prioritizes waste reduction, resource recovery, and safe disposal to minimize environmental and health impacts.

Urban noise pollution from vehicles, machinery, and events can cause health issues like stress, sleep disturbance, and hearing impairment.

TOD reduces vehicle dependence, lowers emissions, and enhances accessibility by integrating land use and transport planning around transit stations.

Sustainable cities prioritize compact design, multimodal transport, resource efficiency, and livability to reduce ecological footprint and enhance quality of life.

Audience-centered communication that resonates with local beliefs and priorities is more likely to inspire understanding, attitude change, and action.

Interpretation through signage, guides, and exhibits connects visitors emotionally and intellectually to nature, fostering stewardship and responsible behavior.

Adopting the 3Rs minimizes waste generation, conserves resources, and reduces pollution, contributing to sustainable consumption patterns.

ESD empowers learners to make informed decisions and take responsible actions for environmental integrity, economic viability, and a just society.

Environmental education aims to foster awareness, knowledge, attitudes, skills, and participation to address environmental challenges effectively.

PAT, under the National Mission for Enhanced Energy Efficiency, sets specific energy consumption targets and allows trading of energy savings certificates.

Services like pollination, climate regulation, or cultural values lack market prices, requiring complex methods like contingent valuation for estimation.

Coal is a fossil fuel formed over millions of years; its extraction and use deplete finite reserves, classifying it as non-renewable.

Cap-and-trade sets an overall emissions limit and allows trading of permits, achieving reductions at lowest cost through market flexibility.