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TNPSC Tamil Nadu geography practice questions

By the PrepMatic team · Updated 9 Oct 2026 · 3 min read

Questions on the geography of the home state are the easiest geography marks in a TNPSC paper, because they reward local knowledge as much as study. They cover rainfall, rivers, hills, soils, crops and natural features. The Geography unit has about 5 of the 75 General Studies questions, and a good share of them are about Tamil Nadu. The five questions below sample the types. See TNPSC Geography for the bigger picture.

What this topic covers

• Relief: the Western Ghats, the Eastern Ghats, the Nilgiris, the Palghat gap and the coastal plains.
• Rivers: the Kaveri, Vaigai, Thamirabarani, Palar and Ponnaiyar, and their basins.
• Climate: the seasons and the monsoons, especially the north-east monsoon.
• Soils, crops and forests: red soil, black soil, alluvial deltas, mangroves and biosphere reserves.

Sample questions

Question 1

Tamil Nadu receives the largest share of its annual rainfall from the:

• A. north-east monsoon
• B. south-west monsoon
• C. western disturbances
• D. local convectional showers

Question 2

The highest peak in Tamil Nadu is:

• A. Anamudi
• B. Mahendragiri
• C. Doddabetta
• D. Kolli Malai

Question 3

In Tamil literature, the river Kaveri is also known as:

• A. Porunai
• B. Ponni
• C. Vaigai
• D. Palar

Question 4

The most widespread soil group in Tamil Nadu is:

• A. alluvial soil
• B. black soil
• C. saline soil
• D. red soil

Question 5

The Pichavaram mangrove forest is located in which district?

• A. Nagapattinam
• B. Thoothukudi
• C. Cuddalore
• D. Ramanathapuram

Answers and explanations

1. A. The north-east monsoon, from October to December, brings Tamil Nadu its largest share of rainfall, because the state lies in the rain shadow of the Western Ghats during the south-west monsoon. The state's rainfall comes in several seasons, but this is the biggest.
2. C. Doddabetta, near Udhagamandalam in the Nilgiris, is the highest peak in the state at 2,637 m. Anamudi, the highest peak in the Western Ghats, is in Kerala.
3. B. In Sangam literature the Kaveri is called Ponni. Porunai is the old Tamil name of the Thamirabarani.
4. D. Red soil covers the largest area of Tamil Nadu. Alluvial soil is found in the Kaveri delta, and black soil in parts of Coimbatore, Madurai and Thoothukudi.
5. C. Pichavaram, near Chidambaram in Cuddalore district, is one of the largest mangrove forests in India and is known for its network of small channels.

How to prepare Tamil Nadu geography

Start with a blank outline map of the state and fill it in three passes. The first pass is physical: the Western Ghats along the west, the Eastern Ghats in scattered hills, the Nilgiris at the meeting point, and the coastline. The second is rivers, with their sources and the districts they cross. The third is resources: crops, minerals (lignite at Neyveli), salt pans, and ports.

Memorise the "hill station and its hills" pairs, because they are commonly asked: Udhagamandalam in the Nilgiris, Kodaikanal in the Palani Hills, Yercaud in the Shevaroy Hills and Kolli Malai in Namakkal. Add the three biosphere reserves, the main wildlife sanctuaries and national parks, and the Ramsar sites, but note the date of any count, since the number of protected areas changes.

Add the district map last. District boundaries and counts have changed in recent years, so check a current map and treat any older list as a draft. Use the lists in the Tamil Nadu GK section for exact names and details.

Complement this with TNPSC Indian geography practice and TNPSC agriculture and industry practice, where the crops and industrial towns of the state are covered.

Take the full topic test on PrepMatic

Check what you remember with a PrepMatic topic test of about 15 questions in 30 minutes, then use the subject-wise breakdown of your results to see how geography compares with the other General Studies units. If your preferred language is Tamil, choose it as the exam language so that place names appear as you will see them in the paper.

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