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TNPSC Group 4 Model Question Paper with Detailed Answers – 1-1

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TNPSC Group 4 Model Question-1 Details:

No. of Questions : 100

Marks : 150

Note : Detailed answers for the questions are given below each question. If any of the answers are not displaying, try by reloading the page.

Go to 51 to 100 Questions –>>


1. The Electrical cell converts,

a. Mechanical Energy into Electrical Energy

b. Electrical Energy into Mechanical Energy

c. Chemical Energy into Electrical Energy

d. All the above.

c. Chemical Energy into Electrical Energy.

An electric cell has two different metal plates called electrodes kept inside a chemical called electrolyte. Due to chemical reaction, one plate develops a positive charge and the other plate develops a negative charge and produces electric current.


2. The Tamil language spoken in Tamil Nadu can be appreciated as like following except

a. Senthamizh

b. Nattutamizh

c. Paeynthamizh

d. Muthamizh

 b. Nattutamizh

(Std 6 – Ancient Tamil Nadu)


3. Which country conferred its highest civilian award to our Prime Minister recently?

a. China

b. Russia

c. Afghanistan

d. United States

c. Afghanistan

The Prime Minister Narendra Modi has been conferred with Amir Amanullah Khan Award, Afghanistan’s highest civilian honour by Afghan President Ashraf Ghani after the inauguration of the landmark Afghan-India Friendship Dam in Herat in June  2016.

The Amir Amanullah Khan medal is highest civilian honor of Afghanistan. The award is named after the Afghan national hero, Amanullah Khan (Ghazi), who championed the cause of Afghanistan’s freedom. He was the ruler of the Emirate of Afghanistan from 1919-1929 who led Afghanistan to independence.


4. The name of the Galaxy we live in is called as

Milky way



Alpha Century

 a. Milky way

Nebula is the cloud of gases which came after Big Bang and was a stage in the formation of universe.

Andromeda is another nearest galaxy to our Milky way galaxy. Alpha Century is a star system which is nearer to our solar system.


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5. The middle layer in the structure of Skin Tissue is





c. Dermis

(Std 9 – Human Body Organ System)

The skin is like an envelope and its complex structure is divided into three layers of tissues: 1.Epidermis 2.Dermis 3.Hypodermis

Epidermis is the upper layer of the skin. The outermost layer consists of flat, thin and scale – like dead cells. It is separated from the dermis by the basement membrane.

The dermis is the middle layer. It is thick but elastic. The dermis consists of nerves, blood vessels, hair follicles, sweat glands and sebaceous glands (oil glands). Sweat glands separate sweat from the blood.

It is the innermost layer of the skin. It is thick and contains large amounts of adipose tissue.


6. The term ‘Harappa’ in sindhi means?

a. Burnt brick

b. Mound of dead

c. Buried city

d. None of the above

c. Buried City

(Std 6 – Indus Valley Civilisation)

Harappa in Sindhi means ‘Buried City’. Mohenjo-Daro in sindhi means ‘Mound of Dead’. Burnt Brick was used by Harappans for construction in the town.


7. The river that was said to have flown on the landmass of ancient ‘Kumari Kandam’ was

a. River Saraswathi

b. River Cauvery

c. River Meghna

d. River Fahruli

d. River Fahruli

(Std 6 – Ancient Tamil Nadu)

Before prehistoric period, the Indian Ocean on the south of Cape Comorin was a land mass. It was called as ‘Kumari Kandam’. The river Fahruli ran on this land mass which was eight to ten times bigger than South India. Whereas river Saraswathi was an ancient river thought to have existed in the North-West India.

Current Affairs about river Saraswathi:

https://www.tnpsc.academy/tnpsc-current-affairs-oct-18 2016-18102016/


8. The Chemical reaction in which the Heat is evolved as an byproduct is known as

a. Exothermic Reaction

b. Endothermic Reaction

c. Redox Reaction

d. Combustion Reaction

a. Exothermic Reaction

(Std 10 – Chemical Reaction)

The chemical reactions which take place with the evolution of heat energy are called exothermic reactions.

N2 + 3H2 → 2NH3 + Heat

The chemical reactions which take place with the absorption of heat energy are called endothermic reactions.

2NH3 + Heat → N2 + 3H2

The Chemical Reaction in which both the Oxidation and Reduction takes place is called as Redox reactions.


9. The World Health Organisation defines adolescence as the period of life between

a. 9 and 18 years of age

b. 11 and 18 years of age

c. 11 and 19 years of age

d. 13 and 19 years of age

c. 11 and 19 years of age

(Std 8 – Reaching the age of adolescence)


10. What is Airlander 10?

a. Presently the Largest Flying Aircraft

b. Name of India’s Manned Moon Mission

c. NASA’s Mission for Pluto

d. None of the above

a. Presently the Largest Flying Aircraft.

The Hybrid Air Vehicles HAV 304 / Airlander 10 is a hybrid airship designed and manufactured by the UK company Hybrid Air Vehicles (HAV). Comprising an airship with auxiliary wing and tail surfaces, it flies using both aerostatic and aerodynamic lift. Powered by four diesel-engine driven ducted propellers, it is the largest aircraft flying now.


Directions for the following 4 (Four) items:

Examine carefully the following statements and answer four items that follow:

(i) A and B play Football and Hockey

(ii)  C and D play Badminton and Cricket

(iii) B and C play Cricket and Football

(iv) A and D play Hockey and Badminton


11. One who plays Badminton, Football and Hockey

(a) A                                   (b) B

(c) C                                    (d) D

a. A


12. One who plays Badminton, Football and Cricket

(a) A                                   (b) B

(c) C                                    (d)D

c. C


13. One who plays Cricket, Football and Hockey

(a)  A                                  (b) B

(c)  C                                   (d) D

b. B


14. One who does not play cricket

(a)  A                                  (b)B

(c)  C                                   (d)D

a. A 


15. For making ornaments and other usage, the Indus people used

I.Gold          II. Silver

III. Ivory     IV. Iron

Choose the correct answer

a. I, II and IV only

b. I, II and III only

c. I, III and IV only

d. III and IV only

b. I, II and III Only

(Std 6 – Indus Valley Civilisation)

Iron was not known to the Harappan people. To make ornaments, they used Gold, Silver, Ivory and precious stones and also ornaments out of shells and copper. Both men and women wore many ornaments.


16.Find the Odd man out.

a. Surendranath Banerjee

b. Dadabai Naoroji

c. Gopala Krishna Gokhale

d. Bipin Chandra Pal

d. Bipin Chandra Pal

(Std 10 – Freedom Movement in India Phase I)

Bipin Chandra Pal was on the Extremist side of Indian National Congress. Were as, the others were Moderates.

The important extremist congress leaders were Lokmanya Bal Gangadhar Tilak, Bipin Chandra Pal, Lala Lajpat Rai and Arabind Ghosh.

(Shortcut to remember: Bal – Pal – Lal)


17. The Wood Furniture are coated with which chemical to protect from Termite destruction

a. Copper sulphate

b. Sodium Nitrate

c. Plaster of Paris

d. Zinc chloride

d. Zinc chloride

Copper sulphate is used as insecticide and in electric cells. Sodium Nitrate is a fertilizer. Plaster of Paris is mainly used in Statues and in surgery purposes.


18. A train moves at a constant speed of 120 km/hr for 1 km and at 40 km/hr for the next 1 km. What is the average speed of the train.

a. 48 kmph

b. 50 kmph

c. 80 kmph

d. 60 kmph

 d. 60 kmph

Distance = 1 km ,

Speed x   = 120 km/hr

Speed y   = 40 km/hr

Average Speed = (2 * x * y) / (x + y) [ie Same Distance]

 Average Speed = Total Distance / Total Time  [ie Different Distance]

Here the distance is same. So,

Average Speed = (2 * x * y) / (x + y)

                                            = (2 * 120 * 40) / 160

                                            = 60 km / hr

                   Answer => 60 km / hr


19. The State which pioneered the Noon-meal scheme to achieve universal enrollment to schools is

a. Andra Pradesh

b. Karnataka

c. Gujarat

d. Tamil Nadu

d. Tamil Nadu

Tamil Nadu was the first state to introduce noon meal scheme to ensure universal enrollment and universal retention. It was introduced by then Chief Minister Thiru K.Kamaraj, Later many states started implementing it.


20. Which of the following singer was recognized recently by Guinness book and Asia book record for singing most number of songs in Indian languages?

a. Lata Mangeshkar

b. Susheela Mohan

c. Janaki

d. Asha Bhosle

b. Susheela Mohan

21. What is the name of the Operation of the Indian Armed Forces to evacuate Indian Citizens from Yemen during 2015 Yemen Crisis?

a. Operation Maitri
b. Operation Meghdoot
c. Operation Rahat
d. Operation Poomalai

c. Operation Rahat

The name Operation Rahat is also given for rescue measure in the 2013 Uttarakhand Floods. Operation Maitri deals with 2015 Nepal Earthquake rescue measures. Operation Meghdoot is the operation to capture Siachen Glacier (world’s highest battle field) in the Line of Control Border in 1984. Operation Poomalai (also known as Eagle Mission 4) is the relief measures sent by India against the Srilankan Government to give relief aid and food materials to Tamil nationals in Srilanka during 1987 Eelam war.


22. The longest river in the world is

a. Brahmaputra

b. Nile

c. Amazon

d. Tigris

b. Nile

(Std 6 – The Earth we live in)

The longest river in the World is River Nile (6695 kms) in Africa. Whereas the largest river in the world is River Amazon (6586 kms) in South America.  The Brahmaputra origins in Himalayan mountain range and flows through China and takes a ‘U’ turn at Namchabarva and then flows into India, then drains in Bay of Bengal.


23. Match the following Vitamins and their deficiency disease

A. Vitamin A –  1. Beri – Beri

B. Vitamin K –  2. Scurvy

C. Vitamin B1 – 3. Haemorrhage

D. Vitamin C –  4. Nyctalopia


A             B             C             D

a.    3              4              2              1

b.    4              3              2              1

c.     3              4              1              2

d.    4              3              1              2

d.   4               3              1            2



24. The First Battle of Tarain (1911 A.D) was fought between Rajput ruler Prithviraj Chauhan and

a. Mahmud of Ghazni

b. Muhammad of Ghori

c. Qutb-ud-din Aibak

d. Babur

b. Muhamma of Ghori

(Std 7 – Arab and Turkish Invasion)

In 1189 A.D Muhammad of Ghori captured the fortress of Bhantida and advanced into the kingdom of Prithviraj Chauhan, the Rajput ruler. Prithviraj Chauhan with a large force won the battle and also recaptured Bhantida (First battle of Tarain 1191 A.D).

In 1192 A.D, in the Second battle of Tarain, Muhammad of Ghori defeated the combined forces of the Rajput rulers under Prithviraj Chauhan. Muhammad of Ghori appointed Qutb-ud-din Aibak as his commander. This was the start of Slave dynasty.


25. Recently in April 2016, Mary Kom was in news because

a. Won a medal in Rio Olympics

b. Broke her own World record

c. Acted in her Biography film

d. Was nominated as MP of Rajya Sabha

d. Was nominated as MP of Rajya Sabha

Mary Kom was nominated as the MP of Rajya  Sabha in 25, April 2016 by the President of India.


26. World’s largest Solar Power Plant was recently inaugurated at

a. Gujarat

b. Tamil Nadu

c. Kerala

d. Rajasthan

b. Tamil Nadu

Kamuthi Solar Power Project was inaugurated in September 2016 – the largest solar capacity in single location in the Ramanathapuram district of Tamil Nadu. Tamil Nadu is the state with highest installed solar power capacity in India as on September 2016. Kamuthi Solar Power Project with 648 mw capacity at a single location, was formally dedicated to the nation. With the addition of this plant, the total installed capacity in Tamil Nadu is 2100 MW.


27. In the following figures two six fold cubes are given. Each side of the cube is painted as shown in these figures. These sides are White, Yellow, Orange, Red, Blue. Studying the arrangement of colours tell when Blue colour is on top which colour will the bottom have?


(a) Red

(b) Green

(c)  Orange

(d) Yellow

d. Yellow


28. The followings are the Architectural styles of Pallava rulers except

a. Rock Cut temples

b. Monolithic Rathas and Mandapas

c. The Structural Temples

d. Vihara styles

d. Vihara Style

(Std 7 – South Indian Kingdom)

Rock Cut temples introduced by Mahendravarman – I were excavated at places like Mahendravadi, Mammandur, Dalavanur, Thiruchirappali, Syamangalam, Thirukazhukundram, etc. The Monolithic Rathas and Mandapas were found at Mamallapuram. The Structural temples in the Rajasimha Style were found at Kailashnath temple at Kanchi, Shore temple at Mamallapuram.

Vihara is the name of Buddhist Monastry.


29. The seventh India – Japan International Conference on Science and Technology was recently held in

a. Bangalore

b. Chennai

c. Mumbai

d. Mysore

d. Mysore

The seventh India-Japan International Conference on ‘Science and Technology: Future Challenges and Solutions’, was inaugurated at the University of Mysore in August, 2016.


30. In Rio Paralympics 2016, for Men’s high jump event Thangavelu Mariappan from Tamil Nadu secured

a. Gold Medal

b. Silver Medal

c. Bronze Medal

d. He didn’t get any medal

a. Gold Medal

Thangavelu Mariappan from Salem District of Tamil Nadu secured Gold and Bhati Varun Singh from Uttar Pradesh secured Bronze in the 2016 Rio Paralympics Men’s high jump T42 event.

Other 2016 Rio Paralympics medalists:

Devendra Jhajharia – Men’s Javelin throw – Gold

Deepa Malik – Women’s Shot Put – Silver

Total – 4 medals.


Directions: Q. No. 31 to 35: Study the following information carefully to answer these questions.

Six persons A, B, C, D, E and F are sitting in two rows, three in each. E is not at the end of any row. D is second to the left of F. C, the neighbor of E, is sitting diagonally opposite to D. B is the neighbor of F.


31. Which of the following are sitting diagonally opposite to each other?

a. F and C

b. D and A

c. A and C

d. A and F

d. A and F

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32. Which of the following are in the same row?

a. A and E

b. E and D

c. C and B

d. A and B

a. A and E


33. Which of the following are in one of the two rows?

a. FBC

b. CEB

c. DBF

d. AEF



34. After Interchanging seat with E, who will be the neighbors of D in the new position?

a. C and A

b. F and B

c. Only B

d. Only A

a. C and A


35. Which of the following occupies the middle positions in both the rows?

a. B and F

b. A and C

c. B and E

d. E and C

 c. B and E


36. The Chola ruler who merged the Chalukya kingdom with the Chola Empire and started the Chalukya-Chola line of rulers was

a. Kulothunga Chola

b. Raja Raja Chola

c. Rajendra Chola

d. Vijayalaya Chola

a. Kulothunga Chola

(Std 7 – The Kingdom of Deccan)

Vishnu Vardhana, a brother of Pulakesin-II, was the founder of the Eastern Chalukya Empire of Vengi. One of their descendents namely Kulothunga Chola  (1071 – 1122 A.D) was enthroned as a Chola ruler.

Vijayalaya Chola founded the Imperial Chola Empire. Raja Raja Chola built the famous Brihadishwara temple in Tanjore. Rajendra Chola made expeditions to Srilanka and other Islands.


37. The Majuli Island was recently declared as the Largest River Island in the World by Guinness World Records. This Island is located in the river

a. Indus

b. Ganga

c. Yamuna

d. Brahmaputra

d. Brahmaputra.

Majuli Island on the Brahmaputra in Assam was declared the largest river island in the world, toppling Marajo in Brazil, by Guinness World Records. The river island covers an area of around 880 sq km.


38. Given below are three different positions of a dice. Find the number of dots on the face opposite the face bearing 3 dots.


(a) 4

(b) 5

(c) 6

(d) Cannot be determined

c. 6


39. What is the unit digit in the product

(365 x 659 x 771)?

a. 1

b. 2

c. 4

d. 6

c. 4

Unit digits of 3 :

            30 = 1, 31 = 3, 32 = 9, 33 = 7, 34 = 1, 35 = 3, 36 = 9, 37 = 7…………

To find the unit digit of 365,

                                    (65 / 4) => Remainder = 1

                                          31   = 3,

So, unit digit of 365 value is       = 3

Unit digits of 6 :

60 = 1, 61 = 6, 62 = 6, …….

6 Any number = 6 (other than 60)

Here, unit digit of 659 = 6

Unit digits of 7 :

            70 = 1, 71 = 7, 72 = 9, 73 = 3, 74 = 1, 75 = 7, 76 = 9, 77=3,……….

To find the unit digit of 771,

                                    71 / 4 => Remainder 3

                                     7 / 3  = 3

So, unit digit of 771     = 3

Unit digit in the product of 365 * 659 * 771,

                                                = 3 * 6 * 3

                                                = 4

Unit digit in the product of 365 * 659 * 771 => 4


40. If the number 653xyis divisible by 90, then (x + y) = ?

a. 2

b. 3

c. 4

d. 6

C. 4

If a number is divisible by 3, 9, 10 means, it is divisible by 90.

If a number is divisible by 9, it can be divisible by 3 also.

So, only check if a number is divisible by 9 and 10.

            Here, 653 * y ÷ 90,

From the option,

                        x + y = 4,

            6 + 5 + 3 + 4  = 18 (divisible by 9)

                             x   = 4

                             y   = 0

               65340 ÷ 90

So,     x + y = 4


41. If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:

a. 0

b. 1

c. 2

d. None of these

C. 2

If the sum of the digits of a number is divisible by 3. Then the number is divisible by 3.


            517*324 is divisible by 3,


            5 + 1 + 7 + 3 + 2 + 4  = 22

The smallest whole number in the place of * is = 2.

          22 + 2 = 24 divisible by 3.

          Answer => 2


42. The famous Angkor wat (temple) in Cambodia was built by which of the following South Indian Ruler?

a. Mahendravarman I

b. Suryavarman II

c. Yasovarman I

d. Narasimhavarman II

b. Suryavarman II

(Std 11 – The Spread of Indian Culture in Other Asian Countries)

Yasovarman and Suryavarman II were two well-known rulers of Kambhoja kingdom (Cambodia). Here Temples were built in South Indian style. There are plenty of Sanskrit inscriptions. The most famous of these temples was the temple (wat) of Vishnu built by Suryavarman II in his capital city Angkor. It was popularly called as the Angkorwat Temple. It is standing on top of a terraced structure. Each terrace is a sort of a covered gallery which contains numerous relief sculptures. The temple is constructed on the Dravidian style and the sculptures depict episodes from the Ramayana and the Mahabharata


43. The Vaikom Satyagraha in Kerala was launched by

a. Rajagopalachari

b. Satyamurthi

c. Subramanya Siva

d. Periyar E.V.R

d. Periyar E.V.R

The Vaikom Satyagraha was a movement in Travancore (Kerala) against social segregation (especially untouchablity) in the year 1924-25.


44. The openings in the Leaves, through which the air and water comes out is called as

a. Petiole

b. Stipules

c. Stomata

d. Vein

c. Stomata



45.  The Constitutional Amendment in which the voting age in the elections is reduced from 21 to 18

a. 42nd amendment act of 1976

b. 61st amendment act of 1989

c. 69th amendment act of 1991

d. 76th amendment act of 1994

b. 61st amendment act of 1989

42nd amendment act of 1976 – Said as mini constitution as changed many important provisions of constitution.

69th amendment act of 1991 – Gave the Delhi the status of National Capital Territory also provided with legislative assembly.

76th amendment act of 1994 – Included the Tamil Nadu reservation act of 1994 in the 9th schedule to protect it from judicial review.

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46. The NITI Aayog entrusted with the development of India was formed to replace

a. Finance Commission

b. Planning Commission

c. National Development Council

d. None of the above

b. Planning Commission

NITI Ayog – National Institute for Transforming India was formed to replace the Planning Commission and entrust with the development of India. Its Chairman is the Prime Minister of India and vice chairman is Arvind Panagria.


47. The Indian National Congress represented by Mahatma Gandhi attended the

a. First Round Table Conference

b. Second Round Table Conference

c. Third Round Table Conference

d. Gandhi didn’t attend any Round Table conferences.

b. Second Round Table Conference

Congress launched the Civil Disobedience Movement in 1930. As a part of it, Gandhi led the Salt Satyagraha (Dandi march) in March 12, 1930. The British convened the First Round Table Conference in Nov 1930. No one from INC attended it and hence it was not successful.

Gandhi-Irwin Pact was signed in March 1931 and hence Gandhi accepted the invitation of British to attend the Second Round Table Conference (Sep to Dec 1931).

Disappointed with the issue of Communal Award, Gandhi again started the Civil Disobedience Movement after returning from Second Round Table Conference (London). Hence no one from INC attended the Third Round Table Conference (Nov to Dec 1932)


48. What is the theme of World Water Day celebrated on 22nd March, 2016?

a. Water – Its safeguard

b. Water and its protection

c. Conservation of Water

d. Water and Jobs

d. Water and Jobs

World Water Day dates back to the 1992 United Nations Conference on Environment and Development where an international observance for water was recommended. The United Nations General Assembly responded by designating 22 March 1993 as the first World Water Day.

Today, almost half of the world’s workers – 1.5 billion people – work in water related sectors and nearly all jobs depend on water and those that ensure its safe delivery. Yet the millions of people who work in water are often not recognized or protected by basic labour rights. The theme in 2016 — water and jobs — is focusing on how enough quantity and quality of water can change workers’ lives and livelihoods – and even transform societies and economies.


49.  The Green Revolution was first introduced for which crop

a. Rice

b. Wheat

c. Maize

d. Sugarcane

b. Wheat

List of All Revolutions:

Black Revolution – Petroleum Production
Blue Revolution – Fish Production
Brown Revolution – Leather Cocoa production
Golden Fiber Revolution – Jute Production

Golden Revolution – Fruits/Overall Horticulture development/Honey Production
Green Revolution – Food grains
Grey Revolution – Fertilizer
Pink Revolution – Onion production/Pharmaceutical (India) /Prawn production
Red Revolution – Meat & Tomato

Round Revolution – Potato
Silver Fiber Revolution – Cotton
Silver Revolution – Egg/Poultry Production
White Revolution (In India: Operation Flood) – Milk/Dairy production
Yellow Revolution – Oil Seeds production
Evergreen Revolution – Overall development of Agriculture


50. A and B undertake to do a piece of work for Rs.100. A can do it in 5 days and B can do it in 10 days. With the help of C, they finish it in 2 days. How much should C be paid for his contribution?

a) Rs.40

b) Rs. 20

c) Rs. 60

d) Rs. 30

a. Rs.40

A’s 1 day work  = 1 / 5

B’s 1 day work  = 1 / 10

A + B + C’s 1 day work   = 1 / 2

To find C’s 1 day work,

(1 / A) + (1 / B) + (1 / C) = 1/ 2

           (1 / C)   = (1 / 2) – [(1 / A) + (1 / B)]

= (1 / 2) – [(1 / 5) + (1 / 10)]

LCM of 2, 5, 10 = 10

= (5 – 2 – 1) / 10

= (2 / 10)

C’s 1 day work            => (1 / 5)

To find the ratio of their 1 day’s work,

                A : B : C = (1 / 5) : (1 / 10) : (1 / 5)

LCM of 5, 10, 5 is 10

So,  A : B : C = 2 : 1 : 2

Here total part is 5.

Total share = 100

C’s share = (2 / 5) * 100

= 40

       C’s share  => 40


Go to 51 to 100 Questions –>>

2 responses on "TNPSC Group 4 Model Question Paper with Detailed Answers - 1-1"

  1. Karthika SivakumarMarch 19, 2020 at 8:33 amReply

    Maths answers should be found little short, like shortcut.please provide like that.

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