Bihar Upper Primary Teacher 2023: TRE 2.0, Class 6 to 8, Mathematics and Science
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22/MIV/M–2023–05 Booklet Series
Candidate’s Roll Number
A Serial No.
Question Booklet
LANGUAGE, GENERAL STUDIES AND
MATHEMATICS AND SCIENCE
Time Allowed : 2:30 Hours Maximum Marks : 150
Read the following instructions carefully before you begin to answer the questions.
IMPORTANT INSTRUCTIONS
1. This Question Booklet is divided into three Parts—Part–I, Part–II and Part–III. Part–I contains
questions of Language (Qualifying), Part–II contains questions of General Studies and Part–III
contains questions of Mathematics and Science.
2. Part–I consists of Question Nos. 1 to 30, Part–II consists of Question Nos. 31 to 70 and Part–III
consists of Question Nos. 71 to 150. The questions and their responses are printed in English and
Hindi versions both of Part–II and Part–III.
3. All questions carry equal marks.
4. Immediately after commencement of the examination, you should check up your Question
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PART—I
( LANGUAGE )
Directions (Q. Nos. 1 and 2) : Fill in 5. Look there are _____ in the
the blanks with suitable articles like water.
‘a’, ‘an’ and ‘the’ :
(A) birds
1. Sarita is going to join as _____ (B) butterflies
BDO. (C) tadpoles
(A) the
(D) More than one of the above
(B) a
(C) an (E) None of the above
(D) More than one of the above
(E) None of the above 6. A year is called leap year if it has
(A) more days in a month
2. _____ Washington Post is the
most read newspaper in the (B) more days in weeks
USA.
(C) less days in a month
(A) The
(D) More than one of the above
(B) A
(C) An (E) None of the above
(D) More than one of the above
(E) None of the above 7. Son of brother is known as
3. Which of the following is not (A) nephew
a part of kitchen? (B) cousin
(A) Bucket (C) sibling
(B) Geyser
(D) More than one of the above
(C) Tap
(D) More than one of the above (E) None of the above
(E) None of the above
8. Father’s sister is known as
4. Which among the following
is not a fruit? (A) mausi
(A) Carrot (B) sister-in-law
(B) Turnip (C) cousin
(C) Beetroot
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
22/MIV/M–2023–05/S2 (M)/05-A 2
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PART—II
( GENERAL STUDIES )
31. In a shop, the cost of 2 pencils 33. The volume of the right prism
and 3 erasers is R 9 and the with an area of base 121 m 2 and
cost of 4 pencils and 6 erasers height 23 m is
is R 18. What is the cost of each
pencil and each eraser?
(A) 5 × 26 m 3
(A) The cost of each pencil is
R 1 and the cost of each (B) 2783 m 3
eraser is R 2
(B) The cost of each pencil is (C) 529 m 3
R 2 and the cost of each
eraser is R 1
(D) More than one of the above
(C) The cost of each pencil is
R 3 and the cost of each (E) None of the above
eraser is R 2
(D) More than one of the above
(E) None of the above
32. The average age of 4 sisters is
34. How many prime numbers are
7 years. If we add the age of
there between 1 and 50?
mother, then the average age
is increased by 6 years. The age
of the mother is (A) 10
(A) 37 years
(B) 15
(B) 42 years
(C) 21
(C) 34 years
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
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0 × 00001225 37. If 3 tanq = 4, then evaluate
35. The value of is
0 × 00005329
3 sin q + 2 cos q
35
(A) 3 sin q - 2 cos q
73
45
(B) (A) 1
93
(B) 2
55
(C)
23
(C) 0
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
36. If x, y and z are positive real
38. A solid piece of iron in the form
numbers, then 5 3125x 10y 5z10
of a cuboid of dimensions
is equal to (49 cm × 33 cm × 24 cm) is
moulded to form a solid sphere.
(A) 5x 2yz 2 The radius of the sphere is
(A) 19 cm
(B) 25x 3y 2z
(B) 23 cm
2 2
(C) 125x yz
(C) 21 cm
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
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39. In nuclear reactors, D 2O is used 42. The study of inheritance from
as one generation to another is
known as
(A) fuel
(A) genetics
(B) source of deuterons
(B) microbiology
(C) moderator
(C) cytology
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
40. Lacteals are concerned with 43. Which pigment is essential for
nitrogen fixation by leguminous
(A) production of milk plants?
(B) secretion of lactic acid (A) Anthocyanin
(C) absorption of fats (B) Leghaemoglobin
(D) More than one of the above (C) Phycocyanin
(E) None of the above (D) More than one of the above
(E) None of the above
41. Which branch of botany is
concerned with the study of
44. The enzyme which is mixed with
photosynthesis?
food in our mouth is
(A) Plant Taxonomy
(A) pepsin
(B) Ecology (B) peroxidase
(C) Plant Physiology (C) amylase
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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45. Al 2O 3 × 2 SiO 2 × 2 H 2O is the 47. ‘DigiYatra’ was not started at
chemical formula for which airport on 1st December,
2022?
(A) Bengaluru
(A) monazite
(B) Raipur
(B) china clay (C) Varanasi
(D) More than one of the above
(C) sand (E) None of the above
(D) More than one of the above
48. Who was the Chief Guest on
the Republic Day, 26th January,
2023?
(E) None of the above
(A) Rishi Sunak
(B) J. R. Biden
(C) Abdel Fattah el-Sisi
46. An animal that chiefly eats meat
is called as (D) More than one of the above
(E) None of the above
(A) omnivore
49. Where was the 5th European
(B) carnivore Union-India Competition Week,
2022 held?
(A) Mumbai
(C) herbivore
(B) Bengaluru
(D) More than one of the above (C) New Delhi
(D) More than one of the above
(E) None of the above (E) None of the above
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50. Who was the Project Director 52. Which country has recently
for ISRO’s Aditya-L1 Mission, announced the successful
launched on 2nd September, eradication of ‘Rubella’?
2023 to study the Sun?
(A) Cuba
(A) Sankarasubramanian K. (B) Bolivia
(C) Bhutan
(B) P. Veeramuthuvel
(D) More than one of the above
(C) Nigar Shaji (E) None of the above
(D) More than one of the above
53. Who has been awarded the
‘Legion of Merit’ Award by
(E) None of the above the USA?
(A) General Dalbir Singh Suhag
(B) General Bipin Rawat
51. Which State Legislature in the (C) Roy Bucher
USA became the first State that (D) More than one of the above
has voted to outlaw discrimina-
tion based on caste for people of (E) None of the above
South Asian descent who allege
that they have been left out of
traditional American safeguards 54. What is the purpose of ‘India
for fairness in employment and Pride Project’?
housing?
(A) To provide justice to the
Indians living in foreign
(A) California countries
(B) To provide justice to women
(B) New York
who have been divorced by
NRIs
(C) Mississippi
(C) Bringing Indian heritage
back to India
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
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55. Which of the following is not 59. Which State has maximum
young fold mountain? laterite soil?
(A) Aravallis (A) Uttar Pradesh
(B) Andes (B) Bihar
(C) Appalachians (C) Meghalaya
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
60. Name the country who will host
56. Which of the following areas has the first G21.
the lower snow line?
(A) France
(A) Equatorial region
(B) Japan
(B) Himalayan region (C) Brazil
(C) Alps region (D) More than one of the above
(D) More than one of the above (E) None of the above
(E) None of the above
61. Which of the following
instruments is used for
57. The Tropic of Cancer covers measuring humidity in the air?
the maximum area of
(A) Aerometer
(A) Ranchi Plateau
(B) Hydrometer
(B) Malwa Plateau
(C) Hygrometer
(C) Chota Nagpur Plateau (D) More than one of the above
(D) More than one of the above (E) None of the above
(E) None of the above
62. Which of the following blows
from Mediterranean Sea to the
58. Thorn forests are not found in
Northwest part of India?
(A) Karnataka
(A) Western Disturbance
(B) Andhra Pradesh (B) Norwester
(C) Tamil Nadu (C) Mango Shower
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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63. Under whose leadership did the 67. When was the Poona Pact
Santhal Rebellion of 1855–1856 signed?
take place? (A) 24th September, 1932
(A) Raj Kumar Shukla (B) 24th September, 1930
(B) S. N. Sinha (C) 26th September, 1930
(C) Sahajanand Saraswati (D) More than one of the above
(D) More than one of the above (E) None of the above
(E) None of the above
68. Who led the 1857 Revolt in
64. Which important event took Bihar?
place on 5th March, 1931? (A) Mir Bakhsh
(A) Gandhi-Irwin Pact (B) Babu Kunwar Singh
(B) Gandhi attended the Round (C) Birbhan Singh
Table Conference
(D) More than one of the above
(C) Karachi Congress
(E) None of the above
(D) More than one of the above
(E) None of the above 69. At which of the following
Sessions of the Indian National
65. When did the Bihar Youth Congress did the Champaran
League come into existence? trouble come up for discussion?
(A) 1930 (A) Calcutta, 1911
(B) 1928 (B) Patna, 1912
(C) 1940 (C) Ramgarh, 1940
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
66. Who led the Salt Satyagraha on 70. Who gave the famous slogan
6th April, 1930 in Champaran? ‘Inquilab Zindabad’?
(A) Bepin Behari Varma (A) Hakim Ajmal Khan
(B) Laxmi Narayan Jha (B) Chandra Shekhar Azad
(C) Ramlal Prasad (C) Hasrat Mohani
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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PART—III
( MATHEMATICS )
71. Find the single discount 74. Which of the following statements
equivalent to two successive is not necessarily true?
discounts of 20% and 10%.
(I) A quadrilateral is a
(A) 25% parallelogram if its
(B) 26% diagonals bisect each other.
(C) 28% (II) If the diagonals of
a quadrilateral are equal,
(D) More than one of the above
then it is a rectangle.
(E) None of the above
(III) If the diagonals of
a quadrilateral intersect at
72. In a certain experiment, the right angles, then it is
count of bacteria was increasing a rhombus.
at the rate of 2·5% per hour.
Initially, the count was 512000. (IV) A rectangle, a square and
Find the count of bacteria at a rhombus are special types
the end of 2 hours. of parallelograms.
(A) 537920 (A) I
(B) 536920 (B) II
(C) 537960 (C) III
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
73. The value of a machine 75. ABCD is a trapezium in
depreciates at the rate of 20% which AB ||DC , AB = 78 cm,
per annum. It was purchased CD = 52 cm, AD = 28 cm and
two years ago. If its present BC = 30 cm. What is the area
value is R 40,000, for how of this trapezium?
much was it purchased?
(A) 1860 cm 2
(A) R 62,500
(B) 1680 cm 2
(B) R 65,200
(C) R 56,500 (C) 1620 cm 2
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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76. The capacity of a reservoir is 79. If (2 3x -1 + 10) ¸ 7 = 6, then what
108 m 3 . Water is poured into is the value of x ?
it at the rate of 60 litres per
minute. How many hours will (A) –2
it take to fill the reservoir?
(B) 1
(A) 30
(B) 32 (C) 2
(C) 28 (D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
77. If each side of a cuboid is 80. A steamer goes downstream and
doubled, its surface area covers the distance between two
(A) is doubled ports in 4 hours while it covers
(B) becomes four times the same distance upstream in
5 hours. If the speed of the
(C) becomes six times
stream is 2 km/hr, then what
(D) More than one of the above is the speed of the steamer in
(E) None of the above still water?
78. Consider the following frequency (A) 18 km/hr
distribution : (B) 16 km/hr
Class interval Frequency (C) 15 km/hr
0–10 3
(D) More than one of the above
10–20 8
(E) None of the above
20–30 16
30–40 30
40–50 17 81. The maximum value of
sin q + cos q is
50–60 4
(A) 2
The median class is
(A) 20–30 (B) 2
(B) 30–40 (C) 3
(C) 40–50
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
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82. For what value of x is the line 85. If the perpendicular drawn from
through the points (–2, 6) and the origin to a straight line
(4, 8) perpendicular to the line makes an angle a with the
through the points (8, 12) and positive direction of the y-axis
(x, 24) ? and is of length p, then the
equation of the straight line is
(A) 2
(A) x cos a + y sin a = p
(B) 3
(B) x sin a + y cos a = p
(C) 4 (C) y = x tana + p
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
86. The intercepts made by the
83. If the angle between two lines is line 3x - 4y + 10 = 0 on the
p coordinate axes of x and y are
and the slope of one of the
4 respectively
1 3 2
lines is , then the slope of the (A) - ,
2 10 5
other line is
5 10
(B) , -
(A) 2 2 3
10 5
(B) 3 (C) - ,
3 2
1 (D) More than one of the above
(C) -
3 (E) None of the above
(D) More than one of the above 87. A vehicle covered a distance with
(E) None of the above a constant speed. Had its speed
been 6 km/hr more, the time
elapsed in the journey would
84. If three points (h, 0), (a, b) and have been 4 hours less; had its
(0, k ) lie on a line, then the speed been 6 km/hr less, the
a b
value of + is time elapsed in the journey
h k would have been 6 hours more.
(A) –1 The distance is
(B) 1 (A) 640 km
(B) 680 km
(C) 2
(C) 720 km
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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88. Shyam borrowed R 1,80,000 for 91. The minute hand of a watch is
repairing his house. This 1·5 cm long. How far does its
amount is to be refunded in tip move in 40 minutes?
three equal annual instalments
(A) 3p cm
with interest. If the rate of
interest is 10% per annum, the (B) 2p cm
amounts payable at the ends of
the first, the second and the (C) 6·5 cm
third year are respectively (D) More than one of the above
(A) R 78,000; R 72,000; R 66,000 (E) None of the above
(B) R 78,000; R 70,000; R 65,000
92. For every positive integer n,
(C) R 78,000; R 71,000; R 67,000
41n - 14n is a multiple of
(D) More than one of the above
(A) 14
(E) None of the above (B) 55
(C) 27
89. The value of cos(-1710° ) is
(D) More than one of the above
(A) 0 (E) None of the above
(B) 1
(C) –1 93. One card is drawn from a well-
shuffled deck of 52 cards.
(D) More than one of the above If each outcome is equally likely,
then what is the probability that
(E) None of the above the card will not be a diamond?
1
(A)
90. The standard deviation of 4
11, 14, 15, 17, 18 is
12
(A) 2 (B)
13
(B) 5
3
(C)
(C) 6 4
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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94. P , Q and R can complete a work 97. Susheel earned R 6,00,000 in
in 6 hours, 8 hours and a year. In each month after the
15 hours respectively. They first, he earned R 1,500 more
together completed the work than he did in the previous
and received R 9,460 as month. How much did he earn
remuneration. Their shares in the first month?
in the remuneration are
(A) R 41,000
respectively
(B) R 41,500
(A) R 4,200; R 3,500; R 1,760
(C) R 41,750
(B) R 4,400; R 3,300; R 1,760
(D) More than one of the above
(C) R 4,300; R 3,250; R 1,910
(E) None of the above
(D) More than one of the above
(E) None of the above
98. Three consecutive natural
numbers are such that the sum
95. The sum of the squares of of the square of the first and
two natural numbers is 410. the product of the second and
If the square of the larger third is 191. What are they?
number is 26 times the smaller
number plus 3, then the (A) 9, 10, 11
difference between the two (B) 8, 9, 10
numbers is
(C) 10, 11, 12
(A) 28
(D) More than one of the above
(B) 10
(E) None of the above
(C) 6
(D) More than one of the above 99. The coordinates of three points
(E) None of the above æ a ö æ 2a ö
A, B and C are ç , a÷ , ç , 2a÷
è 3 ø è 3 ø
96. When (x 3 - 10x 2 + 2x + 3) is æ a ö
and ç , 3a÷ respectively. The
è 3 ø
divided by (x + 1,
) the remainder
is D ABC is
(A) –1 (A) equilateral
(B) –10 (B) isosceles
(C) 2 (C) right-angled
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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Text of page 30
100. If p and q are the lengths 102. Two cards are randomly drawn
of the perpendiculars drawn from a pack of 52 cards and
from the origin on the lines thrown away. What is the
probability of drawing an ace
x sin q + y cos q = 2b sin q cos q in a simple draw from the
remaining 50 cards?
x cos q - y sin q = b cos 2q 7
(A)
50
respectively, then the value of 11
p 2 + q 2 is (B)
50
(A) b 2 9
(C)
50
1 (D) More than one of the above
(B)
b2 (E) None of the above
103. The product of cos(A + B ) and
(C) 2b 2 cos(A - B ) is
(A) sin 2 A - sin 2 B
(D) More than one of the above
(B) cos 2 A - sin 2 B
(C) cos 2 A - cos 2 B
(E) None of the above
(D) More than one of the above
(E) None of the above
101. The area of a square field is
60025 m 2 . A man cycles along 104. From the window of a house,
its boundary at the speed of the angle of elevation of the top
18 km/hr. In how much time of a flag is 60° and the angle of
will he return to the starting depression of its base is 30°.
point? If the horizontal distance of the
flag from the house is 6 m, then
(A) 3 minutes 15 seconds
find the height of the flag.
(B) 3 minutes 16 seconds (A) 6 3 m
(B) 7 3 m
(C) 3 minutes 12 seconds
(C) 8 3 m
(D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
22/MIV/M–2023–05/S2 (M)/05-A 30
Text of page 32
105. The area of a rhombus is 108. The arithmetic mean and
480 cm 2 and the length of its median of a frequency
shorter diagonal is 20 cm. The distribution are respectively
length of its longer diagonal is 25·5 and 26. The mode is
(A) 24 cm
(A) 27
(B) 36 cm
(C) 48 cm (B) 24·5
(D) More than one of the above
(C) 26·5
(E) None of the above
(D) More than one of the above
106. Places A and B are 240 km apart
on a highway. One car starts (E) None of the above
from A and another from B at
the same time. If the cars travel
in the same direction at different 109. Simplify :
speeds, they meet in 8 hours.
sin q + sin 3q + sin 5q
If they travel towards each other
cos q + cos 3q + cos 5q
with their previous speeds, they
meet in 2 hours. What are the
speeds of the two cars? (A) cot3q
(A) 70 km/hr, 50 km/hr
(B) tan3q
(B) 60 km/hr, 40 km/hr
(C) 50 km/hr, 30 km/hr (C) tan2q
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
107. Calculate the arithmetic mean
from the following frequency
distribution : 110. A cone and a hemisphere have
Class interval Frequency the same base and the same
0–10 6 volume. The ratio of their
10–20 10 heights is
20–30 9
30–40 4 (A) 2 : 3
40–50 11 (B) 3 :1
(A) 26
(B) 25 (C) 2 :1
(C) 24 (D) More than one of the above
(D) More than one of the above
(E) None of the above (E) None of the above
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Text of page 34
( SCIENCE )
111. Two thin convergent lenses of 114. Imagine a light planet is
powers 5 dioptres and 4 dioptres revolving around a star in
are placed coaxially 10 cm circular orbit of radius R with
apart. The focal length of their the period of revolution T . If the
combination would be gravitational force of attraction
(A) 11·11 cm between the two is proportional
to R -5/2 , then
(B) 9·09 cm
(A) T 2 µ R 3
(C) 1·11 cm
(D) More than one of the above (B) T 2 µ R 3/2
(E) None of the above (C) T 2 µ R 7/2
(D) More than one of the above
112. An ideal transformer is used on
220 V line to deliver 2 A at (E) None of the above
110 V. The current flowing in
the primary of the transformer is 115. When a proton injected in
(A) 2 A magnetic field moves perpen-
dicular to the lines of force, it
(B) 1 A follows
(C) 4·4 A
(A) circular path
(D) More than one of the above
(B) helical path
(E) None of the above
(C) parabolic path
113. The radius of curvature of the (D) More than one of the above
path of a charged particle in a (E) None of the above
uniform magnetic field is
directly proportional to
116. The resistivity of a given
(A) intensity of the magnetic conductor depends upon
field
(A) temperature
(B) momentum of the charged
particle (B) length of the conductor
(C) charge of the particle (C) area of cross-section
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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117. The area under velocity-time 121. As the wavelength is increased
graph for a particle in a given from violet to red, the luminosity
interval of time represents (A) first increases then
(A) displacement decreases
(B) acceleration (B) first decreases then
(C) work done increases
(D) More than one of the above (C) remains constant
(E) None of the above (D) More than one of the above
(E) None of the above
118. The least resistance obtained by
122. If the light moving in a straight
using 2 W, 4 W, 1 W and 100 W
line bends by a small but fixed
is
angle, it may be a case of
(A) < 100 W (A) diffraction
(B) < 2 W (B) dispersion
(C) < 1 W (C) interference
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
119. The nucleus of the atom is 123. Two bullets are fired simul-
positive taneously, horizontally and with
(A) due to the presence of different speeds from the same
electrons around it place. Which bullet will hit the
ground first?
(B) due to the presence of
(A) The faster one
neutrons
(B) The slower one
(C) due to the presence of
protons (C) Both will reach simul-
taneously
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
120. Which of the following 124. If the speed and radius of a body
represents voltage? moving in a circular path are
(A) Work done / doubled, then the magnitude of
(Current × Time) centripetal acceleration will be
(B) Work done × Charge (A) half
(C) Work done × (B) four times
(Time / Current) (C) doubled
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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125. Which of the following reactions 128. Benzene reacts with chlorine in
displays displacement reaction? the presence of light to yield
(A) MgCO 3 ® MgO + CO 2 (A) chlorobenzene
(B) 2H 2 + O 2 ® 2H 2O (B) tetrachlorobenzene
(C) 2 Na + 2H 2O ® 2 NaOH + H 2
(C) benzene hexachloride
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
126. Why does carbon form
compounds mainly through 129. Burning of lime to give calcium
covalent bonding? oxide and carbon dioxide is
(A) There are 4 electrons in (A) oxidation process
outermost orbit
(B) decomposition process
(B) It requires large amount of
energy to form C 4+ (C) reduction process
(C) It shares its valence (D) More than one of the above
electrons to complete its
octet (E) None of the above
(D) More than one of the above
(E) None of the above 130. A solution reacts with crushed
eggshells to give a gas that
turns limewater milky. The
127. Sodium carbonate is a basic salt solution contains
because it is a salt of
(A) NaCl
(A) strong acid and strong base
(B) HCl
(B) weak acid and weak base
(C) weak acid and strong base (C) LiCl
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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131. 10 mL of a solution of NaOH 135. In chemistry, pK a stands for
is found to be completely (A) polymer kinetic analogue
neutralized by 8 mL of a given
(B) the symbol for the acid
solution of HCl. If we take 20 mL
dissociation constant at
of the same solution of NaOH,
logarithmic scale
the amount of HCl solution
(the same solution as before) (C) phenyl ketone acetate
required to neutralize it will be (D) More than one of the above
(A) 4 mL (E) None of the above
(B) 8 mL
(C) 12 mL 136. The colourless species is
(D) More than one of the above (A) VCl 3
(E) None of the above (B) VOSO 4
132. A drop of a liquid sample was (C) Na 3VO 4
put on the pH paper. It was (D) More than one of the above
observed that the colour of the
(E) None of the above
pH paper turns blue. The liquid
sample is
137. Which metal is a part of German
(A) distilled water silver?
(B) lemon juice
(A) Cu
(C) sodium bicarbonate solution
(B) Zn
(D) More than one of the above
(C) Ni
(E) None of the above
(D) More than one of the above
133. Which acid is present in tomato?
(E) None of the above
(A) Citric acid
(B) Oxalic acid 138. Kolbe’s electrolytic method can
(C) Lactic acid be applied on
(D) More than one of the above (A) CH 3COONa
(E) None of the above CH2COOK
(B)
134. Na 2CO 3 ·10 H 2O is known as CH2COOK
(A) baking soda
HC—COOK
(B) baking powder (C)
(C) washing soda HC—COOK
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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139. The main site of photosynthesis 142. The most conducive pH range
in the cells of a leaf is for the life of freshwater plants
and animals is
(A) mitochondria
(A) 9·0–10·5
(B) cytoplasm
(B) 3·5–7·0
(C) chloroplast
(C) 6·5–7·5
(D) More than one of the above
(D) More than one of the above
(E) None of the above
(E) None of the above
140. The contraction and expansion 143. An unripe green fruit changes
movement of the wall of food colour when it ripens. The
pipe is known as reason is
(A) translocation (A) chromoplast changes to
chlorophyll
(B) transpiration
(B) chromoplast changes to
(C) peristaltic movement chromosome
(D) More than one of the above (C) chloroplast changes to
chromoplast
(E) None of the above
(D) More than one of the above
141. The tube connecting kidney with (E) None of the above
urinary bladder in human being
is
144. In Amoeba, food is digested in
(A) urethra
(A) food vacuole
(B) ureter (B) mitochondria
(C) nephron (C) pseudopodia
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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145. Which of the following is not 148. Dengue fever is caused by
a function of the vacuole in
plants? (A) DNA-containing arbovirus
(A) They store toxic metabolic (B) RNA-containing arbovirus
wastes
(C) paramyxovirus
(B) They help in the process of
cell division (D) More than one of the above
(C) They help to maintain (E) None of the above
turgidity
(D) More than one of the above
149. The youngest secondary xylem
(E) None of the above occurs
(A) just inside the phellogen
146. The nodes of Ranvier are found
in (B) just outside the phellogen
(A) nerve cells (C) just inside the vascular
cambium
(B) heart cells
(D) More than one of the above
(C) liver cells
(E) None of the above
(D) More than one of the above
(E) None of the above
150. Which of the following functions
is performed by Malpighian
147. The missing link between birds tubules in cockroach?
and reptiles is
(A) Excretion
(A) Archaeopteryx
(B) Blood circulation
(B) Ichthyostega
(C) Lycaenops (C) Digestion
(D) More than one of the above (D) More than one of the above
(E) None of the above (E) None of the above
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Bihar Public Service Commission
School Teacher Written (Objective) Competitive Examination (Advt. No. 27/2023)
Examination Date : 09.12.2023,
FINAL ANSWER KEY : Language, General Studies and Mathematics and Science
SERIES - A
1 B 32 A 62 A 92 C 122 E
2 A 33 B 63 E 93 C 123 C
3 D 34 B 64 A 94 B 124 C
4 D 35 A 65 B 95 C 125 C
5 C 36 A 66 A 96 B 126 D
6 A 37 E 67 A 97 C 127 C
7 A 38 C 68 B 98 A 128 C
8 E 39 C 69 E 99 B 129 Delete
9 C 40 C 70 C 100 A 130 B
10 B 41 C 71 C 101 B 131 E
11 B 42 A 72 A 102 C 132 C
12 C 43 B 73 A 103 B 133 B
13 C 44 C 74 104 134
D C C
14 A 45 B 75 105 135
B C B
15 A 46 B 76 A 106 E 136 C
16 D 47 B 77 B 107 A 137 D
17 A 48 C 78 B 108 A 138 D
18 C 49 C 79 C 109 B 139 C
19 B 50 C 80 A 110 C 140 C
20 A 51 A 81 B 111 B 141 B
21 A 52 C 82 C 112 B 142 C
22 C 53 A 83 D 113 B 143 C
23 B 54 C 84 B 114 C 144 A
24 D
55 D 85 B 115 A 145 B
25 C
56 C 86 C 116 A 146 A
26 C
57 B 87 C 117 A 147 A
27 D
58 C 88 A 118 C 148 B
28 E
59 C 89 A 119 149 C
29 C C
60 C 90 C 120 150 A
30 A A
61 C 91 B 121
31 E APage 1 of 48
Source: Bihar Public Service Commission. Question paper published by Bihar Public Service Commission.