Group 2A Mains – Daily Practice 1 (2 November 2026)

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Group 2A Mains – Daily Practice 1 (2 November 2026) – 25 வினாக்கள், பாடம்: குரூப் 2A Mains. ஒவ்வொரு வினாவுக்கும் சரியான விடையும் ஒரு வரி விளக்கமும் உண்டு; "Show Answer" அழுத்திப் பாருங்கள். TNPSC குரூப் 1, 2, 2A, 4, SI, TET தேர்வுகளுக்கான இலவசப் பயிற்சி – சண்முகம் ஐ.ஏ.எஸ். அகாடமி, கோயம்புத்தூர்.

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1.  
Arrange the following organisations / movements in chronological order of their origin:
1. Self-Respect Movement
2. Madras Mahajana Sabha
3. Justice Party (South Indian Liberal Federation)
4. Madras Native Association

Correct Answer: B [4, 2, 3, 1]

விளக்கம்:

Madras Native Association – 1852; Madras Mahajana Sabha – 1884; Justice Party (SILF) – 1916; Self-Respect Movement – 1925. Hence 4, 2, 3, 1.

2.  
Consider the following statements about the Vellore Mutiny:
1. It broke out on 10 July 1806.
2. The sons of Tipu Sultan were then held captive in the Vellore Fort.
3. Following the mutiny, the Governor of Madras, William Bentinck, was recalled.
Which of the statements given above is/are correct?

Correct Answer: D [1, 2 and 3]

விளக்கம்:

All three are correct: the mutiny broke out on 10 July 1806; Tipu's family was confined in the fort; Governor William Bentinck and Commander-in-Chief Cradock were recalled for the new dress/turban regulations.

3.  
Match the following (excavation site – district / territory):
(a) Arikamedu – 1. Sivagangai
(b) Adichanallur – 2. Puducherry
(c) Keezhadi – 3. Erode
(d) Kodumanal – 4. Thoothukudi

Correct Answer: A [(a)-2, (b)-4, (c)-1, (d)-3]

விளக்கம்:

Arikamedu – Puducherry (Indo-Roman trading port); Adichanallur – Thoothukudi (Tamirabarani bank, urn burials); Keezhadi – Sivagangai (urban settlement on the Vaigai); Kodumanal – Erode (Noyyal bank, bead / iron industry).

4.  
Assertion (A): Maraimalai Adigal launched the Tani Tamil Iyakkam (Pure Tamil Movement) in 1916.
Reason (R): He wanted to free Tamil from the dominance of Sanskrit by using pure Tamil without Sanskrit words.

Correct Answer: A [Both (A) and (R) are true and (R) is the correct explanation of (A)]

விளக்கம்:

Both are true; the aim of pure Tamil free of Sanskrit words is exactly why the movement was launched. He even changed his own name from Vedachalam to Maraimalai Adigal.

5.  
Which of the following about the Thirukkural is NOT correct?

Correct Answer: C [Among the three books, the Book of Inbam (Love) has the largest number of chapters]

விளக்கம்:

Aram has 38, Porul 70 and Inbam 25 chapters; Porul has the most. So the third statement is wrong.

6.  
Consider the following statements regarding Panchayati Raj in Tamil Nadu:
1. The President of a Village Panchayat is directly elected by the voters.
2. The Chairman of a Panchayat Union is directly elected by the voters.
3. Under the Tamil Nadu Panchayats Act, 1994, meetings of the Grama Sabha are convened by the President of the Village Panchayat.
Which of the above is/are correct?

Correct Answer: B [1 and 3 only]

விளக்கம்:

The Village Panchayat President is directly elected; the Panchayat Union Chairman is elected indirectly by the ward members of the union (2 is wrong); Section 3(2-A) of the 1994 Act says every Grama Sabha meeting shall be convened by the Village Panchayat President.

7.  
Match the following (revenue official – responsibility):
(a) Village Administrative Officer – 1. Head of the revenue division; Sub-Divisional Magistrate powers
(b) Revenue Inspector – 2. Head of the taluk office
(c) Tahsildar – 3. Supervises villages at the firka (revenue circle) level
(d) Revenue Divisional Officer – 4. Maintains village accounts (including adangal)

Correct Answer: D [(a)-4, (b)-3, (c)-2, (d)-1]

விளக்கம்:

VAO – village accounts; Revenue Inspector – firka; Tahsildar – head of the taluk; RDO – head of the revenue division and Sub-Divisional Magistrate.

8.  
Assertion (A): The Chief Secretary to the Government of Tamil Nadu also functions as the Secretary to the State Cabinet.
Reason (R): The office of the Chief Secretary is created under Article 166 of the Constitution of India.

Correct Answer: C [(A) is true but (R) is false]

விளக்கம்:

The Chief Secretary is the senior-most civil servant and Secretary to the Cabinet – (A) is true. But it is not a constitutional office; Article 166 deals only with the conduct of business of the State Government – (R) is false.

9.  
Match the following (Tamil Nadu Government agency – main function):
(a) Tamil Nadu e-Governance Agency (TNeGA) – 1. Developing industrial parks / estates
(b) ELCOT – 2. Rural and urban water supply and drainage
(c) SIPCOT – 3. Agency implementing the State's e-governance projects (e-Sevai)
(d) TWAD Board – 4. IT Special Economic Zones (ELCOSEZ)

Correct Answer: A [(a)-3, (b)-4, (c)-1, (d)-2]

விளக்கம்:

TNeGA – e-governance / e-Sevai; ELCOT – ELCOSEZ IT zones; SIPCOT – industrial parks; TWAD Board – water supply and drainage.

10.  
Arrange the following Tamil Nadu Government welfare schemes in the chronological order of their launch:
1. Kalaignar Magalir Urimai Thogai Scheme
2. Cradle Baby Scheme
3. Pudhumai Penn Scheme
4. Amma Unavagam

Correct Answer: C [2, 4, 3, 1]

விளக்கம்:

Cradle Baby Scheme – 1992; Amma Unavagam – 2013; Pudhumai Penn – 5 September 2022; Kalaignar Magalir Urimai Thogai – 15 September 2023. Hence 2, 4, 3, 1.

11.  
Consider the following statements about computer memory:
1. RAM is volatile; its contents are lost when the power is switched off.
2. Data in an EPROM chip can be erased by exposing it to ultraviolet light.
3. An EEPROM chip can be erased only after removing it from the circuit.
4. A PROM can be programmed only once by the user.
Which of the above statements are correct?

Correct Answer: B [1, 2 and 4 only]

விளக்கம்:

EEPROM is erased electrically, in-circuit, without removing the chip – so statement 3 is wrong. The other three are correct.

12.  
Match the Windows commands (List I) with their Linux equivalents (List II):
List I (Windows) – List II (Linux)
(a) dir – 1. rm
(b) cls – 2. cp
(c) copy – 3. clear
(d) del – 4. ls
Codes: (a) (b) (c) (d)

Correct Answer: C [4 3 2 1]

விளக்கம்:

dir ↔ ls (list files), cls ↔ clear (clear screen), copy ↔ cp (copy file), del ↔ rm (delete file).

13.  
Consider the following statements about genetically modified crops:
1. Golden rice is genetically engineered to produce β-carotene (a precursor of vitamin A) in the grain.
2. Inside the bacterium Bacillus thuringiensis, the Bt toxin protein exists in its active form.
3. The alkaline pH of the insect gut converts the Bt toxin into its active form.
Which of the above are correct?

Correct Answer: A [1 and 3 only]

விளக்கம்:

In the bacterium the Bt toxin exists as an inactive protoxin; it becomes active only in the alkaline gut of the insect. So statement 2 is wrong.

14.  
Assertion (A): Pathogens such as HIV can be detected by PCR at an early stage of infection, even before symptoms appear.
Reason (R): PCR amplifies very small quantities of the pathogen's nucleic acid many times.

Correct Answer: A [Both (A) and (R) are true and (R) is the correct explanation of (A)]

விளக்கம்:

When the pathogen count is too low for conventional methods, PCR amplifies its DNA/RNA, enabling early detection. Hence (R) correctly explains (A).

15.  
Which of the following is NOT correct regarding nuclear reactors?

Correct Answer: C [The reactors at Kudankulam in Tirunelveli district are of the heavy-water PHWR type]

விளக்கம்:

Kudankulam units are Russian-designed VVER-1000 pressurised (light) water reactors, not PHWRs.

16.  
Arrange the following Tamil Nadu Government schemes in the chronological order of their launch:
1. Kalaignar Magalir Urimai Thogai scheme
2. Puratchi Thalaivar MGR Nutritious Meal Programme
3. Chief Minister's Breakfast Scheme
4. Tamil Puthalvan scheme

Correct Answer: D [2, 3, 1, 4]

விளக்கம்:

Nutritious Meal – 1 July 1982; Breakfast Scheme – 15 Sep 2022 (Madurai); Magalir Urimai Thogai – 15 Sep 2023; Tamil Puthalvan – 9 Aug 2024 (Coimbatore).

17.  
Consider the following statements on women empowerment:
1. The women's Self Help Group movement in Tamil Nadu began in 1989 in Dharmapuri district with IFAD assistance.
2. Mahalir Thittam is implemented by the Tamil Nadu Corporation for Development of Women (TNCDW).
3. The Protection of Women from Domestic Violence Act, 2005 protects only legally wedded wives.
Which of the above are correct?

Correct Answer: B [1 and 2 only]

விளக்கம்:

The 2005 Act covers any woman in a domestic relationship – wife, woman in a relationship in the nature of marriage, mother, sister etc. So statement 3 is wrong.

18.  
Match the Census 2011 indicators of Tamil Nadu (List I) with their values (List II):
(a) Sex ratio (females per 1000 males) – 1. 80.09%
(b) Density of population (per sq km) – 2. 15.61%
(c) Literacy rate – 3. 996
(d) Decadal population growth (2001–2011) – 4. 555
Codes: (a) (b) (c) (d)

Correct Answer: A [3 4 1 2]

விளக்கம்:

Census 2011, Tamil Nadu: sex ratio 996, density 555 per sq km, literacy 80.09%, decadal growth 15.61%.

19.  
Consider the following statements on agriculture in Tamil Nadu:
1. Tamil Nadu presented its first separate Agriculture Budget in the Assembly for the year 2021–22.
2. In 2019, Tamil Nadu became the first State to enact a law on contract farming based on the Centre's Model Contract Farming Act.
3. The first Uzhavar Sandhai (farmers' market) was started at Madurai in 1999.
Which of the above are correct?

Correct Answer: D [1, 2 and 3]

விளக்கம்:

First separate agri budget – 14 Aug 2021 (2021–22); TN Agricultural Produce and Livestock Contract Farming and Services Act, 2019 (based on the Centre's Model Act of 2018); first Uzhavar Sandhai – 14 Nov 1999, Anna Nagar, Madurai. All three are correct.

20.  
Which of the following regarding marginalised groups is NOT correct?

Correct Answer: D [Under the Maintenance and Welfare of Parents and Senior Citizens Act, 2007, a senior citizen is a person aged 65 years or above]

விளக்கம்:

Section 2(h) of the 2007 Act defines a senior citizen as an Indian citizen aged 60 years or above, not 65.

21.  
Match the dams (List I) with the rivers on which they are built (List II):
(a) Mettur dam – 1. Thenpennai
(b) Bhavanisagar dam – 2. Vaigai
(c) Sathanur dam – 3. Cauvery
(d) Vaigai dam – 4. Bhavani
Codes: (a) (b) (c) (d)

Correct Answer: B [3 4 1 2]

விளக்கம்:

Mettur (Salem) – Cauvery; Bhavanisagar (Erode) – Bhavani; Sathanur (Tiruvannamalai) – Thenpennai; Vaigai dam (Theni, Andipatti) – Vaigai.

22.  
Assertion (A): Most of Tamil Nadu receives only low rainfall during the South-West monsoon.
Reason (R): With respect to the South-West monsoon, Tamil Nadu lies in the rain-shadow region of the Western Ghats.

Correct Answer: A [Both (A) and (R) are true and (R) is the correct explanation of (A)]

விளக்கம்:

The SW monsoon winds shed most moisture on the windward (Kerala) side of the Western Ghats; Tamil Nadu on the leeward side gets little. TN's main rainy season is the North-East monsoon (Oct–Dec).

23.  
Consider the following statements on the Biosphere Reserves of Tamil Nadu:
1. The Nilgiri Biosphere Reserve, notified in 1986, was India's first biosphere reserve.
2. The Gulf of Mannar Biosphere Reserve is the first marine biosphere reserve in South and South-East Asia.
3. The Agasthyamalai Biosphere Reserve lies entirely within Tamil Nadu.
Which of the above are correct?

Correct Answer: C [1 and 2 only]

விளக்கம்:

Agasthyamalai Biosphere Reserve (2001) spreads over both Tamil Nadu and Kerala, so statement 3 is wrong.

24.  
Arrange the following disasters that struck Tamil Nadu in chronological order:
1. Cyclone Gaja
2. Indian Ocean Tsunami
3. Cyclone Vardah
4. Chennai floods

Correct Answer: B [2, 4, 3, 1]

விளக்கம்:

Tsunami – 26 Dec 2004; Chennai floods – Nov–Dec 2015; Cyclone Vardah – 12 Dec 2016 (Chennai); Cyclone Gaja – 16 Nov 2018 (landfall near Vedaranyam).

25.  
Which of the following regarding the Disaster Management Act, 2005 is NOT correct?

Correct Answer: D [The State Revenue Minister is the Chairperson of the State Executive Committee]

விளக்கம்:

Under Section 20 of the Act, the State Executive Committee is chaired by the Chief Secretary of the State, not a Minister.

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