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 2)
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1 and 2 are true: 58 died in the southern floods and 22 in Michaung. 3 is false: Fengal was a November 2024 event.
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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 2) – 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.
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1.
Which of the following statements about nuclear power in Tamil Nadu are correct?
- Both units of the Madras Atomic Power Station, Kalpakkam, are 220 MW Pressurised Heavy Water Reactors.
- The two operating units at Kudankulam are 220 MW Pressurised Heavy Water Reactors each.
- The 500 MWe Prototype Fast Breeder Reactor at Kalpakkam attained first criticality in 2026.
Correct Answer: A [1, 3 only]
Explanation:
1 and 3 are true (PFBR reached criticality on 06.04.2026). 2 is false: Kudankulam units are 1,000 MW Pressurised Water Reactors.
2.
Assertion (A): As on 31.08.2026, wind is the largest source in Tamil Nadu's installed renewable energy capacity.
Reason (R): As on 30.06.2026, Tamil Nadu ranks second in India in wind capacity (12,273 MW), after Gujarat.
Correct Answer: D []
Explanation:
A is false: solar (14,353.58 MW) exceeds wind (12,318.02 MW). R is true.
3.
Match the micro cluster under the Micro Cluster Development Programme (MSME Policy Note 2024-25) with its location:
| a. Toys | 1. Bhavani |
| b. Ceramic | 2. Vilachery |
| c. Coir | 3. Vridhachalam |
| d. Jamakkalam | 4. Pollachi |
Correct Answer: C [2 3 4 1]
Explanation:
Toys – Vilachery; Ceramic – Vridhachalam; Coir – Pollachi; Jamakkalam – Bhavani.
4.
As per the MSME Department Policy Note 2024-25, which of the following statements about MSMEs in Tamil Nadu are correct?
- Tamil Nadu ranks second in India in Udyam registrations.
- About one-fourth (26%) of the State's entrepreneurs are women.
- Coimbatore district has the largest number of MSMEs in the State.
Correct Answer: D [1, 2 only]
Explanation:
1 and 2 are true. 3 is false: Chennai has the most MSMEs (2.91 lakh); Coimbatore is second (2.03 lakh).
5.
Which of the following statements about the major ports of Tamil Nadu are correct (2025-26)?
- In 2025-26, Chennai Port handled the most cargo among the three major ports of Tamil Nadu.
- In 2025-26, V.O. Chidambaranar Port handled more cargo than Kamarajar Port.
- Kamarajar Port Limited is a wholly owned subsidiary of the Chennai Port Authority.
Correct Answer: B [1, 3 only]
Explanation:
1 and 3 are true: Chennai handled 57.90 MT, the most. 2 is false: V.O. Chidambaranar 43.21 MT, Kamarajar 49.08 MT.
6.
Assertion (A): Kamarajar (Ennore) Port is designed as an artificial harbour protected by two breakwaters.
Reason (R): Kamarajar Port is the first corporatised major port in the country, operating under the landlord port model.
Correct Answer: B []
Explanation:
Both are true, but R is about the ownership model and does not explain the port's artificial, breakwater design.
7.
Match the cyclone with the area where it crossed the coast, as per IMD reports:
| a. Michaung (2023) | 1. Near Puducherry |
| b. Fengal (2024) | 2. Sri Lanka |
| c. Montha (2025) | 3. Near Bapatla (Andhra Pradesh) |
| d. Ditwah (2025) | 4. Near Narsapur (Andhra Pradesh) |
Correct Answer: A [3 1 4 2]
Explanation:
Michaung – near Bapatla; Fengal – near Puducherry; Montha – near Narsapur; Ditwah – Sri Lanka.
8.
Which of the following statements are correct as per the Disaster Management Act, 2005?
- The Chief Minister is the Chairperson of the State Disaster Management Authority.
- The Union Home Minister is the Chairperson of the National Disaster Management Authority.
- The District Collector is the Chairperson of the District Disaster Management Authority.
Correct Answer: D [1, 3 only]
Explanation:
1 and 3 are true. 2 is false: the Prime Minister chairs the NDMA (Section 3).
9.
Assertion (A): As per the re-assessment in the PIB release of 04.12.2025, Tamil Nadu ranks 2nd among States in coastline length.
Reason (R): Tamil Nadu's coastline grew from 906.9 km to 1,068.69 km because new land formed in the sea after 2004.
Correct Answer: C []
Explanation:
A is true. R is false: the length grew due to a new measurement method (high-water line, high-resolution data, GIS), not new land.
10.
Assertion (A): Tamil Nadu receives the major part of its annual rainfall from the southwest monsoon (June–September).
Reason (R): Because of the Western Ghats, Tamil Nadu lies in the rain-shadow region of the southwest monsoon.
Correct Answer: D []
Explanation:
A is false: the southwest monsoon gives only about 36%; the northeast monsoon gives 48%. R is true: TN is in the rain-shadow region.
11.
As per the IMD report on the 2025 northeast monsoon (Tamil Nadu & Puducherry), which district received the highest percentage of excess rainfall over its normal? (It received 95% above normal.)
Correct Answer: C [Tirunelveli]
Explanation:
Tirunelveli got 1,005.0 mm against a normal of 514.9 mm, +95%; Perambalur was −30%.
12.
As per the Supreme Court judgment of 16.02.2018, what is the total share of water allocated to Tamil Nadu in the Cauvery basin?
Correct Answer: B [404.25 TMC ft]
Explanation:
Tamil Nadu's total share is 404.25 TMC ft; 177.25 is the release at Biligundlu, 284.75 Karnataka's share, 30 Kerala's share.
13.
Assertion (A): Tamil Nadu has three biosphere reserves: Nilgiri, Gulf of Mannar and Agasthyamalai.
Reason (R): The Agasthyamalai Biosphere Reserve extends over both Tamil Nadu and Kerala.
Correct Answer: B []
Explanation:
Both are true, but the reserve spreading over two States does not explain why Tamil Nadu has three reserves.
14.
As per the MoEFCC list of Ramsar sites (21.04.2026), how many wetlands of Tamil Nadu were designated as Ramsar sites on a single day, 08.04.2022?
Correct Answer: A [11]
Explanation:
Eleven wetlands were designated on 08.04.2022; the State total is 20, with 2 in 2021 and 4 in 2024.
15.
As per the TNPCB list of 2025, in which district is "The Salem Co-operative Sugar Mills" located?
Correct Answer: C [Namakkal]
Explanation:
The Salem Co-operative Sugar Mill is at Pethampalayam, Mohanur taluk, Namakkal district.
16.
Assertion (A): Coimbatore is called the "Pump City".
Reason (R): Coimbatore meets two-thirds of India's demand for motors and pumps.
Correct Answer: A []
Explanation:
Coimbatore is called the Pump City because it meets two-thirds of India's demand for motors and pumps.
17.
Which area was announced as a "Space Industrial Investment Zone" in the Revised Budget 2026-27 (05.08.2026)?
Correct Answer: B [Thoothukudi and Tirunelveli]
Explanation:
Para 82: Thoothukudi and Tirunelveli, centred on the Kulasekarapattinam launch pad, form the Space Industrial Investment Zone.
18.
As per PIB (12.10.2021), which entity makes the largest equity contribution to the Multi-Modal Logistics Park at Mappedu near Sriperumbudur?
Correct Answer: C [Chennai Port Authority]
Explanation:
Equity: Chennai Port Authority ₹167 crore, NHAI ₹130 crore, TIDCO ₹50 crore; CMDA is not a partner.
19.
As per the Revenue and Disaster Management Department Policy Note 2024-25, which statement about the southern districts floods of 16–18.12.2023 is correct?
Correct Answer: A [It caused 58 deaths and the loss of 1,27,331 cattle, more than Cyclone Michaung]
Explanation:
Southern floods: 58 deaths, 1,27,331 cattle lost; Michaung: 22 deaths, 5,742 cattle. Rs 541.37 crore livelihood aid given.
20.
Which of the following statements are correct as per the Revenue and Disaster Management Department Policy Note 2024-25?
- 58 people died in the December 2023 southern-district floods.
- 22 people died in Cyclone Michaung.
- The December 2023 southern-district floods were caused by Cyclone Fengal.
Correct Answer: A [1, 2 only]
Explanation:
1 and 2 are true: 58 died in the southern floods and 22 in Michaung. 3 is false: Fengal was a November 2024 event.
? 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
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› 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)
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