Solve the Group 1 Prelims 2013 February TNPSC Group 1 previous year paper with the official answer key and detailed explanations in English and Tamil. 100 questions free — unlock the remaining 100 with Pro.
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An alkaline earth metal M forms covalent compounds. It forms water soluble sulphate MSO4 and water insoluble hydroxide M(OH)2 which is amphoteric in nature. The metal M is
Consider the following statements:
I. Diamond is bad conductor of electricity
II. Graphite is used for making electrodes of electric furnaces.
III. Solid carbon monoxide is known as dry ice
IV. Carbon dioxide turns moist red litmus slightly bluish.
Which of the above statement(s) is/are correct?
Match List I with List II correctly and select your answer using the codes given below:
| List I (Ores) | List II (Metals) |
|---|---|
| a) Haematite | 1.) Lead |
| b) Cinnabar | 2.) Iron |
| c) Calamine | 3.) Mercury |
| d) Galena | 4.) Zinc |
Differentiate Teratogen from Mutagen
Columns of Bertini in the kidneys of mammals are formed as extensions of
Which one of the following is/are correctly matched?
(i) Arteritis - inflammation of artery
(ii) Occlusion - Closure of blood vessel
(iii) Thrombectomy - Removal of blood clot from a blood vessel
Which of the following statements in not associated with biocommunication in animals?
Assertion (A) : On rainy day small oil film on water show brilliant colours.
Reason (R) : This is due to polarization of light.
A particle motion is given by distance - time curve as shown in the figure. The maximum instantaneous velocity of the particle is around the point.
Match List I with List II correctly and select your answer using the codes given below:
| List I (Culture Realms) | List II (Culture Areas) |
|---|---|
| a) The occidental | 1.) Korea |
| b) The main Islamic | 2.) Anglo-America |
| c) The Indic | 3.) Jordan |
| d) East Asia | 4.) Nepal |
The earth crust is separated from the Mantle by a layer of discontinuity called as
Which of the statement(s) is/are correct?
I. Siddhartha was the actual name of Buddha
II. Buddha's wife was Mahamaya.
III. Buddha belonged to Gautama Gotra
IV. Yasodha was the Mother of Buddha.
Consider the following statements:
Assertion (A) : The worship of the three emanations of Sankarashana, Pradyumna and Aniruddha flourished from the Gupta period.
Reason (R) : The concept of Vishnu's incarnations became popular and dominated Vaishnavism during the Gupta ago.
Choose your correct answer from the codes given below.
Which of the statements about 'Babur' are True?
I. He was the fourth descendant of Timur from the side of his father, and fifteenth descendent of Changizkhan through his mother.
II. He was the fifth descendant of Timur from the side of his father and fourteenth descendent of Changizkhan through his mother.
III. He was the fifteenth descendant of Timur from the side of his father and fourth descendent of Changizkhan through his mother.
IV. His family belonged to the Chaghatai section of the Turkish race.
Match List I with List II correctly and select your answer using the codes given below:
| List I | List II |
|---|---|
| a) EVR Periyar | 1.) New Lamps for old |
| b) Aurobindo Ghosh | 2.) An Echo from Andamans |
| c) Dayananda Saraswathi | 3.) Family Planning |
| d) V.D.Savarkar | 4.) Satyartha Prakash |
Point out the correct statement in the following:
In which part of the world Mixed Farming is practised?
Which is wrongly matched?
I. Limestone - Cement industry
II. Coke - Iron and steek industry
III. Cotton - Textile industry
IV. Manganese - Paper industry
The diagram which is drawn to show the calculated wind speed and direction
Arrange the following sequential steps of autotrophic succession in the correct order.
I. Aggregation
II. Ecesis
III. Mudation
IV. Invasion
V. Migration
Match the following:
| a) Karukar | 1.) Thaiyalkarar (Tailor) |
| b) Karodar | 2.) Aranmanaikkavalar (Palace Security) |
| c) Yavanar | 3.) Nesavuthozhilalar (Weaver) |
| d) Thunnakkarar | 4.) Sanai Pitippavar |
Critically observe the reaction and choose the correct RQ from the options given below:
C18H34O2 + 25.5O2 --> 18CO2 + 17 H2O
The correct RQ of this reaction is
C18H34O2 + 25.5O2 --> 18CO2 + 17 H2O
Which of the following statements is/are not relevant to Gandhi-Irwin pact?
I. Government agreed to withdraw the repressive ordinance.
II. Government agreed to release satyagraha prisoners.
III. Congress agreed to participate in the third round table conference.
IV. Gandhi agreed to suspend the civil disobedience movement.
The average marks in English obtained by 300 students is 45. The average marks of first 100 and last 100 students are 70 and 20 respectively. The average marks of remaining 100 students is
Struges rule for determining the number of classes (K) in a frequency table is
Consider the following five processes with the length of the CPU burst time given in milliseconds together with their arrival time and priority.
| Process | Arrival time | Burst time | Priority |
|---|---|---|---|
| P1 | 0 | 10 | 4 |
| P2 | 0 | 3 | 1 |
| P3 | 3 | 8 | 2 |
| P4 | 4 | 16 | 4 |
| P5 | 7 | 2 | 5 |
In priority scheduling the average turn around time will be
What should come in the place of question mark (?)
Horizontal bar diagram is used for
Classification is the process of arranging data in
The sect which used to have the Trisul mark in their feet during the mediaeval period of Tamil Nadu
Identify the missing letter.

What is the value of A if each letter represents a different digit?
(A3B)(B) = 217B
A perfect dice is tossed twice. Find the probability of getting a total of 9.
Match List I with List II and select the correct answer using the code given below the lists:
| List I | List II |
|---|---|
| a) Annie Besant | 1.) Young India |
| b) G.Subramania Aiyar | 2.) New India |
| c) Gandhi | 3.) The Swarajya |
| d) T.Prakasam | 4.) The Hindu |
Match the newspaper with publisher and choose the correct answer from the codes given below:
| List I | List II |
|---|---|
| a) Lokamanya Thilak | 1.) Vande Mataram |
| b) Sri Aurobindo Ghosh | 2.) Commonweal |
| c) G.Subramanya Aiyar | 3.) Maratha |
| d) Dr.Annie Beasant | 4.) The Hindu |
Match the following:
| List I (International organisations) | List II (Personalities) |
|---|---|
| a) WTO | 1.) Irina Bokova |
| b) FAO | 2.) Pascal Lamy |
| c) WHO | 3.) Margaret Chan |
| d) UNESCO | 4.) Jose Grazianoda Silva |
Find out the wrong number in the following sequence:
22, 33, 66, 99, 121, 279, 594
Identify the missing.
8 & 12 & 9
10 & 7 & 20
3 & 10 & ?
Match List I with List II and select the correct answer using the code given below the lists:
| List I (Chief Election Commission) | List II (Period) |
|---|---|
| a) S.M.Gill | 1.) December 12, 1990 to December 11, 1996 |
| b) T.N.Seshan | 2.) December 12, 1996 to July 12, 2001 |
| c) T.M.Lingdoh | 3.) November 26, 1990 to December 11, 1996 |
| d) Mrs.V.S.Rama Devi | 4.) July 13, 2001 to June 18, 2004 |
Who built the temple "Vellore Jalagandeshwarer"?
The 44th constitutional amendment Act, 1978 relating to the declaration of national emergency requires the President of India to act in accordance with the
The sampling rate, (how many samples per second are stored) for CD is
What are the basic challenges in wireless computer system?
I. Lower band width
II. Limited power
III. Dynamically changing network
IV. Low error rate
Consider the following symbol:
Which of the following institutions have been set up by the government of India to check misconduct, malpractices and corruption on the part of the Public Servants?
I. Central Vigilence Comission
II. Lokpal
III. Special Police Establishment
IV. Central Bureau of Investigation
Match the following:
| List I | List II |
| a) Part-II of the constitution | 1.) Directive Principles of State Policy |
| b) Part-IV of the constitution | 2.) State Governments |
| c) Part-VI of the constitution | 3.) Amendment |
| d) Part-XX of the constitution | 4.) Citizenship |
Match the following:
| List I | List II |
| a) 24th Amendment | 1.) Abolition of Right to Property |
| b) 42nd Amendment | 2.) Anti detection law |
| c) 44th Amendment | 3.) Fundamental duties |
| d) 52nd Amendment | 4.) Supremacy of parliament over fundamental rights |
A new all India service can be created by
Which one of the following shall not be considered an adequate ground for the issue Proclamation of national emergency?
By which of the following amendments, the Indian President is bound to act according to the advice tendered to him by the council of Ministers?
Consider the following pairs:
I. Laterite - High temperature and heavy rainfall
II. Alluvial - sediments deposited by rivers
III. Black soil - suitable for cotton cultivation
IV. Clay soil - suitable for plantation
Which of the above pairs are correctly matched ?
If two dice are thrown, what is the probability that the sum of the two faces obtained neither 7 nor 11?
The word 'Valanchiyam' in Chola period means
In a democracy a civil servant must be committed to the :
I. Goals of the Constitution
II. Common Good
III. Ruling party's ideology
IV. Execution of public policies
Select the correct answer by using the codes given.
In which of the following council of states has equal powers with the house of people?
Dr.A.P.J.Abdul Kalam has been emphasizing the adoption of the following to eradicate poverty in India and to have sustained enonomic growth
To improve the status of women in landed property, states like Karnataka, Tamil Nadu and Andhra Pradesh have amended the
Double counting means
I. Counting the value of a product at the final stage of production.
II. Counting the value of a product at each stage of production.
III. Counting the value of a product more than once.
Which of the following statements is not correct?
Late N.C.Sundaravalli was associated with which of the following?
Hilary Mantel won the 2012 Man Booker Prize for her novel and it is significant because
Find the odd man out.
The third stage of the Indian Nuclear Power Programme is based on
New Indian census data released on March 2012 revealed that
The family to which these endangered species great Indian bustard and Lesser Florican which have got a dedicated land for breeding in the Ajmer district of Rajasthan belong to is
Match List I and List II and answer using the code given below:
| List I | List II |
|---|---|
| a) Sebastian Vettal | 1.) Archery |
| b) Vijay Kumar Malhotra | 2.) Wrestling |
| c) Saina Nehwal | 3.) Formula one |
| d) Yogeshwar Dutt | 4.) Badminton |
Match List I with List II and select the correct answer using the code given below:
| List I | List II |
|---|---|
| a) Amjad Alikhan | 1.) Writer |
| b) Ruskin Bond | 2.) Journalist |
| c) Girija Devi | 3.) Sarod Exponent |
| d) Ramnath Goenka | 4.) Vocalist |
In the recent Presidential elections in 2012, the Russian President Mr.Vladimir Putin and the American President Mr.Barack Obama, were consecutively elected for the
Which one of the following is not related to United Nations Organisation?
Which is the discipline for which Robert J.Lofkowitz and Brain K.Kobilka received the Noble prize for the year 2012?
Who is the first Bharat Ratna Awardee?
Which is the non fatal viral disease transmitted by Aedes Mosquito?
Who are ASHA?
Area between 15 and 55 kilometers above the Earth's surface is called Stratosphere. What is special about this area?
What is common about Gulf of Mannar and Gulf of Kachchh?
What are BSI and ZSI?
The sum of two numbers is 20. Their product is 96. then their H.C.F. is
If TAMIL is VCMKN and HINDI is JKNFK then ODISA is
Find the smallest number exactly divisible by 12, 15, 20 and 27
Next term in the sequence 7,11,9, 11,17,14, 15,23,19, …. is
Match the following correctly:
| List I | List II |
| a) Sixth pay commission | 1.) Dharam Vira |
| b) Economic reforms commission | 2.) J.B.Kripalani |
| c) National Police Commission | 3.) L.K.Jha |
| d) Railway corruption enquiry committee | 4.) B.N.Balakrishna |
What amount should be repaid to clear a loan of Rs.6,000 borrowed at 6 2⁄3% simple interest per annum for a period of 1 year and 6 months?
If the area of an equilateral triangle is 4√3 m2, then its perimeter is
The radius of sphere B is one fourth of radius of sphere A. Then the ratio of volume between A and B is
If the volume and surface area of a sphere are numerically the same, then its radius is
A man can do a piece of work in 5 days, but with his son he can do it in 3 days. In what time can the son do it alone?
Distribution of students in seven institutions M, N, P, Q, R, S and T is given in the Pie chart shown below. Find the total number of students in the institutions M and S, if the total number of students in all the seven institutions is 27300.
The average of a boy's marks in 7 subjects is 75. His average in 6 subjects other than science is 72. How many marks did he get in Science?
The latest member to join WTO on August 22, 2012 was
The grand old lady of Indian Theatre who turned 100 recently is
Where is the Sardar Vallabh Bhai Patel National Police Academy situated?
Consider the following statements and choose the correct answer from the options given below:
a) Succulence in halophytes is to store water to be used in future.
b) Succulence in hydrophytes is due to absorption of more water to neutralize the effect of increased entry of salts in the cells.
c) Excess salt at times is deposited on the surface of leaves.
Of these
Choose the correct order of increase in the oxidation number of iodine in the following compounds:
I2, HI, HIO4 and ICI
Identify:
I. I cannot be synthesizedin the body.
II. I am a PUFA.
III. I am involved in phospholipid synthesis and breakdown of cholesterol.
IV. I inhibit blood clotting and reduce the risk of heart attack.
Who am I?
Consider the following statements:
I. Glycolysis is a cellular respiration that occurs in the mitochondria.
II. Glycolysis is breaking down of glucose into two moloculos of a compound called pyruvate.
Gas lighters work on the basic principle of
Match List I with List II and select the correct answer using the code given below the lists:
| List I | List II |
|---|---|
| a) Raman effect | 1.) Magnetic field |
| b) Zeeman effect | 2.) Scattering |
| c) Stark effect | 3.) Relative velocity |
| d) Doppler effect | 4.) Electric field |
Which of the following statements about hydrosere is true?
I. The phytoplankton stage consists of free floating species like Azolla, Lemna and Wolffia.
II. Forest stage is the climax community.
III. Second stage in succession is rooted floating stage.
IV. Woodland stage is invaded by terrostrial plants.
Ravi Kirti was a
Consider the given figure of global pattern of winds. Match List I with List II and select the correct answer using the code given below the lists:
| List I | List II |
|---|---|
| a) I | 1.) Westerlies |
| b) II | 2.) Easterlies |
| c) III | 3.) Doldrums |
| d) IV | 4.) Trade winds |
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