Tamil Nadu Economy Textbook Questions – Geographical Landmarks of Tamil Nadu and their Impact on Economic Growth · Location, Area and Physiography · Climate, Rainfall, Agro-climatic Zones and Soils · Rivers, Water Resources, Dams and Irrigation · Forests, Wildlife and Protected Areas · Minerals, Energy and Major Industries · Industrial Clusters and Geographical Indications · Transport and Communication · Natural Disasters and their Management (Part 1)
← Back
1 and 3 are true. 2 is false: Srivilliputhur–Megamalai (2021) is the newest; Kalakad–Mundanthurai is the largest.
₹599 →
Tamil Nadu Economy Textbook Questions – Geographical Landmarks of Tamil Nadu and their Impact on Economic Growth · Location, Area and Physiography · Climate, Rainfall, Agro-climatic Zones and Soils · Rivers, Water Resources, Dams and Irrigation · Forests, Wildlife and Protected Areas · Minerals, Energy and Major Industries · Industrial Clusters and Geographical Indications · Transport and Communication · Natural Disasters and their Management (Part 1) – 20 questions, subject: Tamil Nadu Economy. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
Get daily current affairs & exam alerts – follow us
YouTube
WhatsApp Channel
Telegram Channel
Facebook Page
Instagram
Share with friends & study groups
Link to this page from your website / blog (HTML code)
1.
As per the re-assessment in the PIB release of 04.12.2025, what is the length of the coastline of Tamil Nadu?
Correct Answer: B [1,068.69 km]
Explanation:
Tamil Nadu's coastline was revised from 906.9 km to 1,068.69 km, 2nd among States; 2,340.62 km is Gujarat.
2.
As per the Class 10 Social Science textbook, which is the eastern extreme point of Tamil Nadu?
Correct Answer: C [Kodiyakkarai]
Explanation:
East: Kodiyakkarai; West: Anaimalai; North: Pulicat Lake; South: Kumari Munai.
3.
As per the normal rainfall figures of the India Meteorological Department (IMD), what is the approximate share of the northeast monsoon in the annual rainfall of Tamil Nadu?
Correct Answer: D [48%]
Explanation:
Northeast monsoon normal of 442.8 mm is 48% of the annual normal of 921.4 mm; the southwest monsoon gives about 36%.
4.
As per the Water Resources Department Policy Note 2024-25, the 34 rivers of Tamil Nadu are grouped into how many major river basins?
Correct Answer: A [17]
Explanation:
The 34 rivers are grouped into 17 major basins and 127 sub-basins; 7 is the number of agro-climatic zones.
5.
Match the reservoir with the river on which it is located:
| a. Mettur | 1. Thenpennai |
| b. Sathanur | 2. Vaigai |
| c. Vaigai Dam | 3. Cauvery |
| d. Papanasam | 4. Thamirabarani |
Correct Answer: C [3 1 2 4]
Explanation:
Mettur – Cauvery; Sathanur – Thenpennai; Vaigai Dam – Vaigai; Papanasam – Thamirabarani.
6.
As per the India State of Forest Report (ISFR) 2023, what percentage of the geographical area of Tamil Nadu is under forest cover?
Correct Answer: D [20.34%]
Explanation:
Forest cover is 26,450 sq km = 20.34%; 24.47% is forest plus tree cover, and 33.33% is the 1988 National Forest Policy target.
7.
As per the Ministry of Coal (01.04.2023), which State holds the largest share of India's lignite resources?
Correct Answer: B [Tamil Nadu]
Explanation:
Tamil Nadu has 37.597 billion tonnes, about 79% of India's 47.36 billion tonnes; Rajasthan 6.586 and Gujarat 2.722.
8.
Match the place with the mineral found / used there:
| a. Manavalakurichi | 1. Iron ore |
| b. Kanjamalai | 2. Ilmenite |
| c. Salem Chalk hills | 3. Graphite |
| d. Poovandhi (Sivaganga) | 4. Magnesite |
Correct Answer: A [2 1 4 3]
Explanation:
Manavalakurichi – Ilmenite; Kanjamalai – Iron ore; Salem Chalk hills – Magnesite; Poovandhi – Graphite.
9.
As per the PIB note (04.08.2026), how many Geographical Indication (GI) tagged products does Tamil Nadu have?
Correct Answer: D [76]
Explanation:
Tamil Nadu has 76, second in India; Uttar Pradesh is first with 81.
10.
As per the Tamil Nadu Maritime Board, how many non-major ports does it administer?
Correct Answer: C [17]
Explanation:
Tamil Nadu has 3 major ports and 17 non-major ports under the Tamil Nadu Maritime Board.
11.
Match the transport infrastructure with its length:
| a. New Pamban rail bridge | 1. 118.9 km |
| b. Chennai Metro Phase I | 2. 627.18 km |
| c. Chennai Metro Phase II | 3. 2.08 km |
| d. NH-44 (Tamil Nadu portion) | 4. 45 km |
Correct Answer: B [3 4 1 2]
Explanation:
New Pamban bridge 2.08 km; Metro Phase I 45 km; Metro Phase II 118.9 km; NH-44 in Tamil Nadu 627.18 km.
12.
As per the PMO report (03.06.2005), how many people died in Tamil Nadu in the tsunami of 26.12.2004?
Correct Answer: D [8,009]
Explanation:
Tamil Nadu 8,009; India total 12,405; Andaman and Nicobar 3,513; Puducherry 599.
13.
Match the new district with the district from which it was carved out:
| a. Krishnagiri | 1. Tirunelveli |
| b. Kallakurichi | 2. Dharmapuri |
| c. Mayiladuthurai | 3. Viluppuram |
| d. Tenkasi | 4. Nagapattinam |
Correct Answer: A [2 3 4 1]
Explanation:
Krishnagiri – Dharmapuri; Kallakurichi – Viluppuram; Mayiladuthurai – Nagapattinam; Tenkasi – Tirunelveli.
14.
Which of the following statements about the hills of Tamil Nadu are correct (Class 10 Social Science, 2025)?
- The Western Ghats and the Eastern Ghats meet in the Nilgiris.
- The Eastern Ghats are continuous and higher than the Western Ghats.
- Solaikaradu, the highest peak of the southern Eastern Ghats, is in the Shevaroy hills.
Correct Answer: C [1, 3 only]
Explanation:
1 and 3 are true. 2 is false: the Eastern Ghats are low hills broken by rivers; the Western Ghats are the continuous range.
15.
Match the agro-climatic zone with a district included in it, as per the Statistical Handbook of Tamil Nadu 2022-23:
| a. North Western Zone | 1. The Nilgiris |
| b. High Rainfall Zone | 2. Ramanathapuram |
| c. Hilly Zone | 3. Dharmapuri |
| d. Southern Zone | 4. Kanniyakumari |
Correct Answer: B [3 4 1 2]
Explanation:
North Western – Dharmapuri; High Rainfall – Kanniyakumari; Hilly – The Nilgiris; Southern – Ramanathapuram.
16.
Which of the following statements on the soils of the agro-climatic zones of Tamil Nadu are correct (Statistical Handbook 2022-23)?
- The soil of the Hilly Zone (the Nilgiris, Kodaikanal) is lateritic.
- In the Cauvery Delta Zone, the soil of the old delta is alluvium.
- The main soil of the Western Zone is saline coastal alluvium.
Correct Answer: D [1, 2 only]
Explanation:
1 and 2 are true. 3 is false: Western Zone soils are red loam and black soil; saline coastal alluvium is in the North Eastern Zone.
17.
Which of the following statements about the CGWB Dynamic Ground Water Resources Report of Tamil Nadu 2024 are correct?
- Of the 1,202 firka units, 392 are in the "over-exploited" category.
- The stage of groundwater extraction of the State is about 74%.
- The "safe" firkas are fewer than the "over-exploited" firkas.
Correct Answer: B [1, 2 only]
Explanation:
1 and 2 are true (392 of 1,202 over-exploited; extraction 74.26%). 3 is false: 481 safe firkas exceed 392 over-exploited.
18.
Assertion (A): In the irrigation year 2023-24, only 20.862 lakh acres were irrigated in the Cauvery basin against the target of 24.708 lakh acres.
Reason (R): In 2023-24 Tamil Nadu received only 81.42 TMC ft at Biligundlu, against 177.25 TMC ft due under the Supreme Court judgment.
கூற்று–காரண வினாக்களுக்கான தேர்வுகள்
(A) கூற்றும் காரணமும் சரி; காரணம் கூற்றுக்குச் சரியான விளக்கம்
(B) கூற்றும் காரணமும் சரி; ஆனால் காரணம் சரியான விளக்கம் அல்ல
(C) கூற்று சரி; காரணம் தவறு
(D) கூற்று தவறு; காரணம் சரி
Options for Assertion–Reason questions
(A) Both A and R are true; R is the correct explanation of A
(B) Both A and R are true; R is not the correct explanation of A
(C) A is true; R is false
(D) A is false; R is true
Correct Answer: A []
Explanation:
Both are true; less water meant only a smaller area could be irrigated by turn system, so R correctly explains A.
19.
Match the sanctuary with the district in which it is located, as per the Statistical Handbook of Tamil Nadu 2022-23:
| a. Kadavur Slender Loris Sanctuary | 1. Tiruppur |
| b. Gangaikondan Spotted Deer Sanctuary | 2. Karur |
| c. Vellode Bird Sanctuary | 3. Tirunelveli |
| d. Nanjarayan Tank Bird Sanctuary | 4. Erode |
Correct Answer: C [2 3 4 1]
Explanation:
Kadavur – Karur; Gangaikondan – Tirunelveli; Vellode – Erode; Nanjarayan Tank – Tiruppur.
20.
Which of the following statements about the tiger reserves of Tamil Nadu are correct (Tamil Nadu Forest Department)?
- Tamil Nadu has five tiger reserves.
- Srivilliputhur–Megamalai is the oldest and the largest tiger reserve of the State.
- Anamalai was declared a tiger reserve in 2007.
Correct Answer: D [1, 3 only]
Explanation:
1 and 3 are true. 2 is false: Srivilliputhur–Megamalai (2021) is the newest; Kalakad–Mundanthurai is the largest.
? Full lessons and explanations – Tamil Nadu Economy PDF textbook (₹299): www.shanmugamiasacademy.in/study-materials/tnpsc-gs-unit-5-tamil-nadu-economy
📘 TNPSC பொது அறிவு அலகு V (பகுதி 2) — தமிழகப் பொருளாதாரம் (Tamil Nadu Economy) – முழுமையான பாடநூல்
Here you get the answer with a one-line explanation. NPSC பொது அறிவு அலகு V — தமிழகப் பொருளாதாரம் முழுவதும் · 10 அத்தியாயங்கள் · 400 பயிற்சி வினாக்கள் விடை + விளக்கத்துடன் · அட்டவணைகள், காலவரிசைகள், மனவரைபடங்கள் · அக்டோபர் 2026 வரையிலான தரவுகள்
Get the book – ₹299 More quizzes
› Tamil Nadu Economy Textbook Questions – Socio-Economic Problems and Current Affairs · Population Change · Employment and Migration · Poverty, Inequality and Urbanisation · Agriculture, Water and Climate Stress · Social Problems with Official Data · State Finances and Centre–State Fiscal Issues · Current Affairs 2025–2026 · Important Days, Awards and Events (Part 2)
› Tamil Nadu Economy Textbook Questions – Socio-Economic Problems and Current Affairs · Population Change · Employment and Migration · Poverty, Inequality and Urbanisation · Agriculture, Water and Climate Stress · Social Problems with Official Data · State Finances and Centre–State Fiscal Issues · Current Affairs 2025–2026 · Important Days, Awards and Events (Part 1)
› Tamil Nadu Economy Textbook Questions – Public Awareness and Public Administration · Citizens’ Rights and Awareness · State Administration · District and Field Administration · Public Service and Accountability · Boards, Corporations and Public Sector Bodies · Welfare Schemes and Their Utility · Public Delivery Systems · Problems and Reforms (Part 2)
› Tamil Nadu Economy Textbook Questions – Public Awareness and Public Administration · Citizens’ Rights and Awareness · State Administration · District and Field Administration · Public Service and Accountability · Boards, Corporations and Public Sector Bodies · Welfare Schemes and Their Utility · Public Delivery Systems · Problems and Reforms (Part 1)
› Tamil Nadu Economy Textbook Questions – e-Governance in Tamil Nadu · Meaning, Types and Growth · Institutions and Departments · Citizen Services and Grievance Redress · Department-wise e-Governance · Digital Infrastructure and Data · Laws and Policies · Rankings and Awards · Challenges and Solutions (Part 2)
› Tamil Nadu Economy Textbook Questions – e-Governance in Tamil Nadu · Meaning, Types and Growth · Institutions and Departments · Citizen Services and Grievance Redress · Department-wise e-Governance · Digital Infrastructure and Data · Laws and Policies · Rankings and Awards · Challenges and Solutions (Part 1)
Score: 0
Answered: 0 / 0
