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Organisation : Teachers’ Recruitment Board, Tripura
Exam : STGT – Selection Test for Graduate Teachers
Document Type : Previous Year Question Paper
Subject : Pure Science
Code No : MR17—III
Year : 2017
Website :

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TRB Tripura STGT Pure Science Previous Question Paper

Question Paper of TRB Tripura Selection Test for Graduate Teachers Pure Science Question Paper 2017 is now available in the official website of Teachers’ Recruitment Board, Tripura.

Related : TRB Tripura STGT Social Science Question Paper 2017 :

Instructions for Candidates

1. Use Black Ballpoint Pen only for writing particulars of this Question Booklet and marking responses on the OMR Answer Sheet.

2. This test is of 2 hours and 30 minutes duration and consists of 150 MCQ-type questions.
3. There is no negative marking for any wrong answer.
4. This Question Booklet has Three Groups— Group–A, Group–B and Group–C consisting of 150 MCQ-type questions and each question carries 1 mark.

5. Rough work should be done only in the space provided in the Question Booklet.
6. The answers are to be marked on the OMR Answer Sheet only. Mark your responses carefully since there is no chance of alteration/correction.
7. Use of eraser or whitener is strictly prohibited.

Download Question Paper :

Model Questions

Group — A / Physics

Directions : Answer the following questions by selecting the correct option.
1. The dimensional formula for angular momentum is
(A) ML2T -1
(B) ML-1T 2
(C) MLT 2
(D) MLT -2

2. ML2T -2 is the dimensional formula for
(A) kinetic energy
(B) pressure
(C) force
(D) None of the above

3. Which of the following is not a derived physical quantity?
(A) Speed
(B) Volume
(C) Force
(D) Mass

4. One light-year is equal to
(A) 9× 46 ´1015 m
(B) 9× 46 ´1014 m
(C) 9× 46 ´1013 m
(D) 9× 46 ´103 km

5. Both Chandrashekhar limit and atomic mass unit are the units of a physical quantity. The name of that fundamental quantity is
(A) time
(B) length
(C) mass
(D) electric current

6. What does the speedometer of a vehicle read?
(A) Average speed
(B) Instantaneous speed
(C) Average velocity
(D) Instantaneous velocity

7. When an object moves with constant speed in a circular path, then which of the following is false?
(A) Speed of the object is constant
(B) Velocity of the object is constant
(C) Velocity of the object changes
(D) Acceleration of the object changes

8. The position x of a particle varies with time t as x = at 2 – bt 3, where a and b are constants. What is the velocity of the particle at t = 1 s?
(A) a – 3b
(B) 2a – b
(C) 2a – 3b
(D) None of the above

9. A driver is driving a car at a velocity 30 m/s. Suddenly he notices a child 80 m straight ahead and in 0·5 s he reacts with maximum brake of 8 m/s2. He
(A) cannot avoid hitting the child
(B) can avoid hitting the child
(C) will just touch the child
(D) The brake of the car will fail

10. A bus at rest accelerates uniformly to a velocity of 54 km/h in 20 s. The distance travelled by the bus in 20 s is
(A) 152 m
(B) 150 m
(C) 140 m
(D) None of the above

11. Which of the following represents speed of an object?
(A) It is always positive
(B) It is a scalar quantity
(C) It is the distance travelled by the object in unit time
(D) All of the above

12. The weight of a man recorded by a weighing machine is W. When an elevator accelerates upward carrying him, his weight will be
(A) = W
(B) < W
(C) > W
(D) zero

13. The physical quantity, which is equal to the change in momentum of a body, is known as
(A) force
(B) acceleration
(C) impulse
(D) reaction

14. Action and reaction
(A) act on the same body
(B) are equal and act in the same direction
(C) cancel each other
(D) act on two different bodies

15. A body is moving with a velocity of 72 km/h on a rough horizontal surface of coefficient of friction 0·5. If the acceleration due to gravity is 10 m/s2, find the minimum distance where it can be stopped.
(A) 10 m
(B) 40 m
(C) 30 m
(D) 20 m

Group—B / Chemistry

Directions : Answer the following questions by selecting the correct option.
51. When a gaseous hydrocarbon X is passed through a Cu-tube heated at 600 °C, benzene is formed. X is
(A) ethene
(B) ethyne
(C) propyne
(D) ethane

52. Carbogen is a mixture of
(A) O2 + CO
(B) H2 + CO2
(C) CO+ CO2
(D) O2 + CO2

53. Among the following oxides, the superoxide is
(A) CO2
(B) Na 2O
(C) KO2
(D) SO2

54. If 1·5 moles of oxygen combine with Al to form Al2O3, the mass of Al (atomic mass = 27) in gram used in this reaction is
(A) 54
(B) 40·5
(C) 27
(D) 2·7

55. Three elements marked P , Q and R have atomic numbers (Z – 2), Z and (Z +1) respectively. Of these, Q is an inert gas. The formula of the compound produced by the combination of P and R is
(A) RP2
(B) R2P
(C) RP
(D) PR3

56. Colloid is a
(A) one-phase system
(B) two-phase system
(C) three-phase system
(D) None of the above

57. Which of the following reactions will not occur?
(A) Fe + Cu2+ ®Fe 2+ + Cu
(B) Mg + Zn2+ ®Mg 2+ + Zn
(C) Zn+ Fe 2+ ® Zn2+ + Fe
(D) Cu+ Zn2+ ®Cu2+ + Zn

58. The radius of an atomic nucleus is in the order of
(A) 10-10 cm
(B) 10-15 cm
(C) 10-13 cm
(D) 10-8 cm

59. The correct order of basic nature of the given oxides is
(A) Al2O3 < MgO < Na 2O < K2O
(B) MgO < K2O < Al2O3 < Na 2O
(C) K2O < Na 2O < MgO < Al2O3
(D) K2O < Na 2O < Al2O3 < MgO

60. X is
(A) ethylene
(B) ethane
(C) acetylene
(D) methane

Group—C / Mathematics

102. If the simple interest for R1 for 1 month is 1 paise, then the rate of simple interest per annum will be
(A) 10%
(B) 12%
(C) 15%
(D) 5%

103. By selling a commodity, if the loss is 16/2 3 %, then the ratio of cost price and selling price will be
(A) 5 : 6
(B) 6 : 5
(C) 10 : 9
(D) 9 : 10

104. If the cost price of 5 lemons is R1 and the selling price of 4 lemons is R1, then the profit percentage will be
(A) 25%
(B) 20%
(C) 15%
(D) 10%

105. The salary of a man increases every year by 8%. One year ago his salary was R18,750. His present salary will be
(A) R20,250
(B) R20,000
(C) R25,000
(D) None of the above

106. In 12% per annum compound interest if some principal in 2 years has become R3,136 with interest, then the principal will be
(A) R2,000
(B) R2,500
(C) R1,200
(D) None of the above

107. What number must be added to each of the numbers 6, 15, 20 and 43 to make them proportional?
(A) 2
(B) 3
(C) 4
(D) 5

108. If 10% is reduced from a number, it becomes 90. Then the number is
(A) 90
(B) 80
(C) 100
(D) 120

109. The factors of (4a2 – 4ab + 2bc – c 2) are
(A) (2a+ c) and (2a – 2b – c)
(B) (2a – c) and (2a+ 2b + c)
(C) (2a – c) and (2a – 2b + c)
(D) (2a – c) and (2a – 2b – c)

110. For what value of r do the equations xr – 4y = 7 and -x + ry + 9 = 0 have no solution?
(A) r = +1 or -1
(B) r = +2 or -2
(C) r = +3 or -3
(D) None of the above

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