All questions with answers & explanations. Mapped to TNPSC Group 4 syllabus Unit II.
Question 1cauvery-delta-protected-zone
Assertion (A): The Tamil Nadu government declared the Cauvery Delta region as a Protected Agricultural Zone (PAZ).
Reason (R): This declaration aims to protect the fertile agricultural lands of the delta from non-agricultural activities, particularly hydrocarbon exploration projects.
ABoth (A) and (R) are true, and (R) is the correct explanation for (A).
BBoth (A) and (R) are true, but (R) is not the correct explanation for (A).
C (A) is true, but (R) is false.
D (A) is false, but (R) is true.
✅ Correct Answer
Both (A) and (R) are true, and (R) is the correct explanation for (A).
📖 Explanation
The primary objective of declaring the Cauvery Delta region as a Protected Agricultural Zone was to safeguard its fertile agricultural lands from non-agricultural activities, especially hydrocarbon exploration projects, ensuring food security and farmers' livelihoods.
Question 2tn-coastal-ecosystem-restoration
The Tamil Nadu government, in June 2026, announced a major initiative titled 'Neergal Kaappom, Kadarkarai Kaappom' (Protect Water, Protect Coast) for the comprehensive restoration of its coastal ecosystems. Which of the following is a primary focus area of this initiative?
ADevelopment of new deep-sea fishing harbors
BPromotion of offshore oil and gas exploration
CMangrove reforestation and coral reef conservation
DConstruction of large-scale desalination plants
✅ Correct Answer
Mangrove reforestation and coral reef conservation
📖 Explanation
The 'Neergal Kaappom, Kadarkarai Kaappom' initiative focuses on ecological restoration efforts such as planting mangroves, protecting coral reefs, and combating coastal erosion to enhance the resilience and biodiversity of Tamil Nadu's coastline.
Question 3tn-biodiversity-conservation
The Gulf of Mannar Biosphere Reserve, a significant marine biodiversity hotspot, is located off the coast of which Indian state?
AKerala
BAndhra Pradesh
CTamil Nadu
DOdisha
✅ Correct Answer
Tamil Nadu
📖 Explanation
The Gulf of Mannar Biosphere Reserve is situated off the southeastern coast of Tamil Nadu, known for its rich marine ecosystem including coral reefs, sea grasses, and diverse marine life.
Question 4tn-blue-economy-policy
Assertion (A): In June 2026, the Tamil Nadu government unveiled its 'Sustainable Blue Economy Policy' to promote responsible utilization of marine resources and foster coastal economic development.
Reason (R): The policy aims to integrate traditional fishing practices with modern aquaculture, renewable ocean energy, and eco-tourism, ensuring environmental sustainability.
Which of the following is correct regarding (A) and (R)?
ABoth (A) and (R) are true, and (R) is the correct explanation of (A).
BBoth (A) and (R) are true, but (R) is not the correct explanation of (A).
C(A) is true, but (R) is false.
D(A) is false, but (R) is true.
✅ Correct Answer
Both (A) and (R) are true, and (R) is the correct explanation of (A).
📖 Explanation
Both the assertion and the reason are true, and the reason correctly explains the comprehensive approach of the Sustainable Blue Economy Policy, which integrates various sectors for sustainable coastal development.
In June 2026, India announced a significant financial contribution to a newly established international fund aimed at supporting developing nations in building resilience against climate change impacts. What is the primary purpose of this "Global Climate Adaptation Fund"?
ATo finance space exploration missions for climate research.
BTo provide aid for fossil fuel-based energy projects in developing countries.
CTo support projects that help vulnerable countries adapt to the adverse effects of climate change.
DTo fund the development of new nuclear power plants globally.
✅ Correct Answer
To support projects that help vulnerable countries adapt to the adverse effects of climate change.
📖 Explanation
The Global Climate Adaptation Fund is designed to channel financial resources towards projects and programs in developing countries that enhance their capacity to adapt to and cope with the unavoidable impacts of climate change, such as rising sea levels, extreme weather, and food insecurity.
Which of the following river links was prioritized under Phase III of the National River Interlinking Project, initiated in 2026, aiming to address water scarcity in drought-prone regions?
AKen-Betwa Link
BGodavari-Cauvery Link
CPar-Tapi-Narmada Link
DMahanadi-Krishna Link
✅ Correct Answer
Mahanadi-Krishna Link
📖 Explanation
While several river interlinking projects are underway, the Mahanadi-Krishna Link was a key priority under Phase III of the National River Interlinking Project, launched in 2026, to transfer surplus water from the Mahanadi basin to the water-deficit Krishna basin.
Assertion (A): The National Wetlands Conservation Program (NWCP) aims to conserve wetlands in India.
Reason (R): Wetlands play a crucial role in flood control, water purification, and biodiversity conservation.
Select the correct option:
ABoth A and R are true, and R is the correct explanation of A.
BBoth A and R are true, but R is not the correct explanation of A.
CA is true, but R is false.
DA is false, but R is true.
✅ Correct Answer
Both A and R are true, and R is the correct explanation of A.
📖 Explanation
The National Wetlands Conservation Program (NWCP) is indeed focused on conserving wetlands in India, primarily because wetlands provide vital ecological services such as flood control, water purification, and supporting rich biodiversity.
Question 8tn-theni-muscat-grape-gi-tag-2026
In 2026, which district of Tamil Nadu received the Geographical Indication (GI) tag for its unique 'Muscat Grape' variety, known for its distinct aroma and sweetness?
AMadurai
BTheni
CSalem
DDindigul
✅ Correct Answer
Theni
📖 Explanation
The Theni district in Tamil Nadu is renowned for its agricultural produce, and its specific 'Muscat Grape' variety, with its unique characteristics, was granted the GI tag in 2026 to protect its origin and quality.
Question 9tn-new-ramsar-sites-2026
In 2026, which of the following wetlands in Tamil Nadu was/were designated as a new Ramsar Site, recognizing its international importance for biodiversity conservation?
1. Vellode Bird Sanctuary
2. Kanjirankulam Bird Sanctuary
3. Suchindram Theroor Wetland Complex
A1 and 2 only
B2 and 3 only
C1 and 3 only
DAll 1, 2 and 3
✅ Correct Answer
All 1, 2 and 3
📖 Explanation
Tamil Nadu has been proactive in identifying and nominating wetlands for Ramsar recognition. In 2026, Vellode Bird Sanctuary, Kanjirankulam Bird Sanctuary, and Suchindram Theroor Wetland Complex were collectively designated as new Ramsar Sites, highlighting their ecological significance.
The Tamil Nadu Integrated Water Management Policy 2026 emphasizes which of the following as a core strategy for water conservation?
AExclusive reliance on desalination plants
BPromoting inter-basin water transfers and groundwater recharge
CBanning all industrial water usage
DPrivatization of all water bodies
✅ Correct Answer
Promoting inter-basin water transfers and groundwater recharge
📖 Explanation
The Tamil Nadu Integrated Water Management Policy 2026 focuses on holistic approaches including efficient utilization of existing water resources, inter-basin transfers, and enhancing groundwater levels through recharge initiatives.
Question 11Tamil Nadu Climate Change Mission
Consider the following statements regarding the Tamil Nadu Climate Change Mission:
Statement I: The mission aims to make Tamil Nadu a climate-resilient state by 2070.
Statement II: It focuses solely on renewable energy generation and does not include adaptation strategies.
Which of the statements given above is/are correct?
AI only
BII only
CBoth I and II
DNeither I nor II
✅ Correct Answer
I only
📖 Explanation
The Tamil Nadu Climate Change Mission aims to make the state climate-resilient by 2070. It encompasses both mitigation (like renewable energy) and adaptation strategies (like ecosystem restoration, water management) to address climate change impacts.
Question 12tn-wetland-conservation-mission-2026
The Tamil Nadu Wetland Conservation Mission, launched in 2026, primarily focuses on the restoration and protection of which category of wetlands in the state?
AOnly Ramsar Sites
BAll identified wetlands, including coastal and inland
COnly wetlands within protected forest areas
DWetlands managed by local self-government bodies
✅ Correct Answer
All identified wetlands, including coastal and and inland
📖 Explanation
The Tamil Nadu Wetland Conservation Mission is designed to have a comprehensive approach, encompassing the restoration and protection of all identified wetlands across the state, including both coastal and inland ecosystems, to enhance biodiversity and ecological services.
Question 13Tamil Nadu Climate Change Mission
Which of the following is a key target set by the Tamil Nadu Climate Change Mission for increasing renewable energy capacity by 2030?
AAchieving 10 GW of solar power capacity
BAchieving 20 GW of wind power capacity
CAchieving a total of 30 GW of renewable energy capacity
DAchieving 50 GW of renewable energy capacity
✅ Correct Answer
Achieving 50 GW of renewable energy capacity
📖 Explanation
The Tamil Nadu Climate Change Mission has set an ambitious target to achieve 50 GW of renewable energy capacity by 2030, aiming to significantly reduce the state's carbon footprint and transition towards a greener economy. This includes substantial contributions from both solar and wind energy.
Question 14Tamil Nadu Climate Change Mission
Regarding the recent initiatives under the Tamil Nadu Climate Change Mission:
I. A new project has been launched focusing on large-scale restoration of coastal ecosystems, including coral reefs and seagrass beds, along the Gulf of Mannar.
II. The mission has mandated the adoption of electric vehicles for all government departments by 2027 to reduce carbon emissions.
AI only
BII only
CBoth I and II
DNeither I nor II
✅ Correct Answer
I only
📖 Explanation
The Tamil Nadu Climate Change Mission has a strong focus on protecting and restoring the state's vulnerable ecosystems. A significant recent initiative is the launch of a project dedicated to the large-scale restoration of critical coastal habitats like coral reefs and seagrass beds, particularly in ecologically sensitive areas like the Gulf of Mannar. While promoting EVs is part of broader climate action, the specific mandate for all government departments by 2027 is not the primary recent highlight of the mission's direct project launches.
Question 15Tamil Nadu's first Dark Sky Reserve
Tamil Nadu recently announced the establishment of its first 'Dark Sky Reserve' in which of the following regions, aimed at promoting astrotourism and protecting nocturnal biodiversity?
AKalakkad Mundanthurai Tiger Reserve
BGulf of Mannar Biosphere Reserve
CNilgiri Biosphere Reserve
DAnamalai Tiger Reserve
✅ Correct Answer
Kalakkad Mundanthurai Tiger Reserve
📖 Explanation
The Tamil Nadu government has recently designated a part of the Kalakkad Mundanthurai Tiger Reserve as its first 'Dark Sky Reserve'. This initiative aims to preserve the natural darkness of the night sky, crucial for astronomical observation and the protection of nocturnal wildlife, while also promoting astrotourism.
Assertion (A): The Tamil Nadu government has declared the 'Vellode Bird Sanctuary' in Erode district as a new Wetland Conservation Reserve in 2026. Reason (R): This declaration aims to protect the unique migratory bird species and their habitats in the region.
ABoth A and R are true and R is the correct explanation of A
BBoth A and R are true but R is not the correct explanation of A
CA is true but R is false
DA is false but R is true
✅ Correct Answer
Both A and R are true and R is the correct explanation of A
📖 Explanation
Declaring a region as a Wetland Conservation Reserve is a measure to provide enhanced protection to its biodiversity, especially migratory birds and their wetland ecosystems.
The Tamil Nadu Forest Department, in collaboration with local bodies, launched the 'Nagar Vanathil Nam Kaadu' (Our Forest in City Parks) initiative in June 2026. What is the primary goal of this initiative?
ATo establish new zoological parks in urban areas
BTo promote eco-tourism in existing national parks
CTo create urban forests using native plant species in public spaces and parks
DTo conduct a statewide census of urban wildlife
✅ Correct Answer
To create urban forests using native plant species in public spaces and parks
📖 Explanation
The 'Nagar Vanathil Nam Kaadu' initiative aims to enhance urban biodiversity and green cover by developing mini-forests with indigenous flora in cities and towns across Tamil Nadu.
The Tamil Nadu Forest Department recently initiated a large-scale eco-restoration project in which of the following hill ranges, focusing on native species plantation and invasive species removal?
ANilgiri Hills
BAnaimalai Hills
CPalani Hills
DShevaroy Hills
✅ Correct Answer
Palani Hills
📖 Explanation
The Palani Hills have been a focus for eco-restoration efforts by the TN Forest Department to revive biodiversity and combat invasive species.
