Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizEnvironment – Easy Level – GK Questions
Free practice for SSC, UPSC, Banking & Railway exams. No login required.
E-waste refers to discarded, broken, or obsolete electronic devices and their components.
- True
- False
Answer: True
Electronic waste includes old computers, phones, and appliances, which often contain hazardous materials like lead and mercury.
Which of the following is considered a completely biodegradable waste material?
- Plastic bottles
- Glass shards
- Cow dung
- Aluminium cans
Answer: Cow dung
Organic matter like cow dung is readily broken down by microorganisms into simpler, non-toxic substances.
The process of establishing a forest or stand of trees in an area where there was no previous tree cover is called _____.
- Deforestation
- Reforestation
- Afforestation
- Silviculture
Answer: Afforestation
Afforestation is the planting of trees in areas that have not recently been forested, whereas reforestation is replanting in depleted forests.
The term 'Smog' was originally coined to describe a combination of smoke and fog.
- True
- False
Answer: True
Smog is a portmanteau of 'smoke' and 'fog', describing severe air pollution that reduces visibility and harms respiratory health.
Vermicomposting is an efficient method of organic waste management that primarily involves the use of:
- Bacteria
- Fungi
- Earthworms
- Insects
Answer: Earthworms
Vermicomposting uses various species of earthworms to create a heterogeneous mixture of decomposing vegetable waste and soil.
The apex national body in India responsible for monitoring pollution standards is the Central _____ Control Board (CPCB).
- Environmental
- Pollution
- Ecology
- Resource
Answer: Pollution
The Central Pollution Control Board (CPCB) is a statutory organization under the Ministry of Environment, Forest and Climate Change.
The Chipko Movement of the 1970s in India was primarily associated with forest conservation and preventing tree felling.
- True
- False
Answer: True
Villagers, particularly women, hugged trees to prevent contractors from cutting them down, making it a landmark eco-social movement.
Which of the following is categorized as a non-renewable fossil fuel?
- Uranium
- Hydrogen
- Coal
- Biomass
Answer: Coal
Coal is a fossil fuel formed over millions of years from plant remains and cannot be replenished on a human timescale.
Photovoltaic (PV) cells are devices used to convert solar energy directly into electrical energy.
- True
- False
Answer: True
PV cells are made of semiconductor materials that absorb photons from sunlight and release electrons, generating an electric current.
CNG, widely used as a cleaner alternative fuel for vehicles, stands for _____.
- Carbonated Natural Gas
- Compressed Natural Gas
- Condensed Nitrogen Gas
- Crude Natural Gas
Answer: Compressed Natural Gas
CNG is natural gas (mostly methane) stored at high pressure, serving as a cleaner substitute for gasoline and diesel.
Biogas, produced from the anaerobic digestion of organic matter, primarily consists of which gas?
- Hydrogen
- Nitrogen
- Methane
- Carbon Monoxide
Answer: Methane
Biogas is predominantly composed of methane (CH4) and carbon dioxide, making it a highly combustible fuel.
The clean energy derived directly from the sun's radiation to generate electricity or heat is called _____ energy.
- Wind
- Geothermal
- Solar
- Tidal
Answer: Solar
Solar energy is harnessed using photovoltaic cells or solar thermal collectors to capture the sun's radiation.
Which of the following is classified as a non-conventional (renewable) source of energy?
- Coal
- Natural Gas
- Solar Energy
- Petroleum
Answer: Solar Energy
Solar energy is continuously replenished by the sun, making it a renewable and non-conventional source of energy.
Ranthambore National Park, a famous tiger reserve, is located in which Indian state?
- Madhya Pradesh
- Uttar Pradesh
- Rajasthan
- Gujarat
Answer: Rajasthan
Ranthambore is located in the Sawai Madhopur district of southeastern Rajasthan.
Gir National Park, the only natural habitat of the Asiatic Lion, is located in the state of _____.
- Madhya Pradesh
- Rajasthan
- Gujarat
- Maharashtra
Answer: Gujarat
Gir National Park and Wildlife Sanctuary is situated in the Saurashtra region of Gujarat.
Kaziranga National Park in Assam is globally famous for hosting the largest population of:
- Royal Bengal Tiger
- Asiatic Lion
- One-horned Rhinoceros
- Snow Leopard
Answer: One-horned Rhinoceros
Kaziranga is a World Heritage Site that hosts about two-thirds of the world's great one-horned rhinoceroses.
The Earth Summit, also known as the Rio Summit, was held in Rio de Janeiro in 1992.
- True
- False
Answer: True
The United Nations Conference on Environment and Development (UNCED), or Earth Summit, was held in Rio in June 1992.
Which of the following atmospheric gases is NOT considered a greenhouse gas?
- Water vapor
- Methane
- Argon
- Carbon dioxide
Answer: Argon
Argon is a noble gas and does not absorb and emit infrared radiation, unlike greenhouse gases such as CO2, CH4, and water vapor.
The ozone layer, which protects the Earth from harmful UV radiation, is primarily located in the _____.
- Troposphere
- Stratosphere
- Mesosphere
- Thermosphere
Answer: Stratosphere
About 90% of the ozone in the atmosphere sits in the stratosphere, approximately 15 to 35 kilometers above Earth's surface.
The 'Ozone Hole' is most prominent over the Arctic region during its respective winter/spring.
- True
- False
Answer: False
The ozone hole is most severe over the Antarctic region due to the unique formation of polar stratospheric clouds and the polar vortex.