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Generate QuizEnvironment – GK Questions
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Which of the following is a strategy to reduce the health impacts of heatwaves?
- Increasing use of fossil fuels
- Developing early warning systems and heat action plans
- Reducing green cover in cities
- Limiting access to drinking water
Answer: Developing early warning systems and heat action plans
Heat action plans include forecasts, public awareness, cooling centers, and healthcare preparedness to protect vulnerable populations.
Lead poisoning in children can cause irreversible neurological damage and developmental delays.
- True
- False
Answer: True
Lead exposure, even at low levels, impairs cognitive development, reduces IQ, and causes behavioral problems in children.
Which of the following is a health impact of noise pollution?
- Improved sleep quality
- Hearing loss and increased stress levels
- Enhanced cognitive performance
- Reduced blood pressure
Answer: Hearing loss and increased stress levels
Chronic noise exposure can cause permanent hearing damage, hypertension, sleep disturbance, and psychological stress.
The National Air Quality Index (AQI) in India considers _____ key pollutants for calculating the index value.
- 5
- 6
- 8
- 10
Answer: 8
India's AQI is based on PM10, PM2.5, NO2, SO2, CO, O3, NH3, and Pb, providing a comprehensive assessment of air quality.
Which of the following is a common indoor air pollutant from burning solid fuels?
- Oxygen
- Carbon monoxide
- Nitrogen
- Argon
Answer: Carbon monoxide
Incomplete combustion of biomass fuels releases CO, a colorless, odorless gas that reduces blood oxygen-carrying capacity, causing health hazards.
Fluorosis is a health condition caused by excessive intake of fluoride through drinking water.
- True
- False
Answer: True
Chronic fluoride exposure causes dental fluorosis (tooth discoloration) and skeletal fluorosis (bone/joint damage), prevalent in parts of India.
Which of the following is a vector-borne disease whose transmission is influenced by climate change?
- Tuberculosis
- Malaria
- Diabetes
- Hypertension
Answer: Malaria
Climate change affects temperature and rainfall patterns, altering the geographic range and seasonality of malaria-transmitting mosquitoes.
The term 'One Health' recognizes the interconnection between human health, animal health, and the _____.
- Economy
- Environment
- Technology
- Politics
Answer: Environment
One Health is a collaborative approach to achieve optimal health outcomes by recognizing links among people, animals, plants, and their shared environment.
Long-term exposure to high levels of particulate matter (PM2.5) can lead to respiratory and cardiovascular diseases.
- True
- False
Answer: True
Fine particles penetrate deep into lungs and bloodstream, causing asthma, bronchitis, heart attacks, and premature death.
Which of the following diseases is primarily associated with arsenic contamination of groundwater?
- Minamata disease
- Itai-Itai disease
- Blackfoot disease
- Blue Baby Syndrome
Answer: Blackfoot disease
Blackfoot disease, a peripheral vascular disease, is linked to chronic arsenic exposure through contaminated drinking water, notably in West Bengal.
Which of the following is a key objective of the 'Sagarmala Programme' of the Government of India?
- Promoting inland waterways only
- Port-led development through modernization, connectivity, and coastal community development
- Banning all fishing activities
- Privatizing all ports
Answer: Port-led development through modernization, connectivity, and coastal community development
Sagarmala aims to harness India's coastline and waterways for economic growth while ensuring sustainable coastal management.
The Sundarbans mangrove forest is the largest contiguous mangrove ecosystem in the world.
- True
- False
Answer: True
The Sundarbans, spanning India and Bangladesh, covers about 10,000 sq km and is a UNESCO World Heritage Site and Ramsar site.
Which of the following is a major source of marine plastic pollution?
- Natural weathering of rocks
- Land-based activities and improper waste management
- Volcanic eruptions
- Oceanic upwelling
Answer: Land-based activities and improper waste management
An estimated 80% of marine plastic originates from land via rivers, runoff, and inadequate waste disposal systems.
The phenomenon of 'Red Tide' in coastal waters is caused by algal blooms of _____ organisms.
- Bacterial
- Dinoflagellate
- Fungal
- Viral
Answer: Dinoflagellate
Harmful algal blooms (HABs) by dinoflagellates can discolor water, produce toxins, and cause fish kills and human health issues.
Which of the following is a Ramsar site located in India?
- Dal Lake
- Chilika Lake
- Naini Lake
- Powai Lake
Answer: Chilika Lake
Chilika Lake in Odisha was designated India's first Ramsar site in 1981 for its rich biodiversity and importance as a wetland habitat.
Ocean acidification, caused by absorption of excess CO2, threatens marine organisms with calcium carbonate shells or skeletons.
- True
- False
Answer: True
Lower pH reduces carbonate ion availability, making it harder for corals, mollusks, and plankton to build and maintain shells/skeletons.
Which of the following is a key provision of the CRZ Notification, 2011 (amended) regarding CRZ-I areas?
- Allowing construction of hotels
- Prohibiting new construction except for specific public utilities
- Permitting industrial effluent discharge
- Allowing land reclamation for agriculture
Answer: Prohibiting new construction except for specific public utilities
CRZ-I includes ecologically sensitive areas where development is highly restricted to protect biodiversity and natural processes.
The Coastal Regulation Zone (CRZ) Notification in India classifies coastal areas into _____ categories for regulating development activities.
- 2
- 3
- 4
- 5
Answer: 4
CRZ-I to CRZ-IV classify areas based on ecological sensitivity, human settlements, and water areas to balance development and conservation.
Mangroves act as natural buffers against coastal erosion and storm surges.
- True
- False
Answer: True
Mangrove root systems stabilize shorelines, reduce wave energy, and protect inland areas from cyclones and tsunamis.
Which of the following is a major threat to coral reefs globally?
- Increased ocean alkalinity
- Coral bleaching due to rising sea temperatures
- Decreased salinity
- Overfishing of herbivorous fish only
Answer: Coral bleaching due to rising sea temperatures
Warmer waters cause corals to expel symbiotic algae (zooxanthellae), leading to bleaching, reduced growth, and potential mortality.