ENVIRONMENTAL SCIENCE ONE LINER MCQS
Environmental Science explores the relationship between humans and nature. These one-liner MCQs highlight essential topics such as pollution, climate change, biodiversity, and natural resources. Understanding environmental concepts helps students and aspirants analyze how human actions affect the planet. Moreover, these short questions simplify complex topics like ecosystems, renewable energy, and conservation practices. Whether you’re preparing for general science tests or environmental studies exams, mastering these one-liners boosts your confidence and conceptual clarity. Practice daily to strengthen your environmental knowledge and develop awareness about sustainability and ecological balance.

Environmental Science Basic One Liner MCQs
What is the main gas responsible for global warming?
Answer: Carbon DioxideWhat does Ozone layer protect us from?
Answer: Ultraviolet RaysWhat is the study of relationships between organisms and environment called?
Answer: EcologyWhich energy source is renewable?
Answer: Solar EnergyWhat is the main cause of acid rain?
Answer: Sulphur DioxideWhat is deforestation?
Answer: Cutting down of trees on a large scaleWhat is the process of water circulation in nature called?
Answer: Water CycleWhich layer of the atmosphere contains ozone?
Answer: StratosphereWhat is biodiversity?
Answer: Variety of living organisms in an ecosystemWhich gas is known as greenhouse gas?
Answer: MethaneWhat is the main source of non-renewable energy?
Answer: Fossil FuelsWhat does “3R” stand for in waste management?
Answer: Reduce, Reuse, RecycleWhat is soil erosion?
Answer: Removal of topsoil by wind or waterWhich organism produces oxygen in oceans?
Answer: PhytoplanktonWhat is eutrophication?
Answer: Enrichment of water bodies with nutrientsWhich country hosted the first Earth Summit?
Answer: BrazilWhat does WWF stand for?
Answer: World Wide Fund for NatureWhat is the full form of IPCC?
Answer: Intergovernmental Panel on Climate ChangeWhich gas causes the depletion of the ozone layer?
Answer: Chlorofluorocarbon (CFC)What is sustainable development?
Answer: Development that meets present needs without harming future generations
Environmental Science One Liner MCQs boost awareness of climate change, sustainability, and resource use. They help students grasp ecology, prepare for exams, and promote environmental responsibility.
Conclusion
Environmental Science One Liner MCQs help learners strengthen awareness about climate change, sustainability, and resource management. Practicing these questions develops a clear understanding of ecological systems and environmental protection policies. Moreover, they are useful for competitive exams like CSS, PMS, and general knowledge tests. By mastering these short questions, students not only improve exam performance but also become more conscious about their role in protecting the environment.
Q1. Why study Environmental Science MCQs?
They help build awareness about ecology and sustainability.
Q2. Are these MCQs helpful for competitive exams?
Yes, they’re ideal for general knowledge and environmental awareness tests.
Q3. How to remember environmental concepts easily?
Revise daily and link topics like pollution and conservation with real-life examples.