Official Paper

Bihar Police SI Pre Previous Year Paper (Held on: 26th Dec 2021 Shift 2)

100 questions · 120 minutes · with answers · free

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Previous Year Paper (100 questions)

Which of the following is the largest unit of storage?

((a))
Terabyte
((b))
Gigabyte
((c))
Byte
((d))
Megabyte

Show Answer

Answer: ((a))

Terabyte

Which poisonous substance is found in green potatoes?

((a))
Ergot
((b))
Trypsin inhibitor
((c))
Sarguinarine
((d))
Solanine

Show Answer

Answer: ((a))

Ergot

An effective disinfectant used to clean the surface of equipment?

((a))
Sodium metasilicate
((b))
Citric acid
((c))
Tartaric acid
((d))
Iodine

Show Answer

Answer: ((a))

Sodium metasilicate

When did life originate on Earth?

((a))
6 million years ago
((b))
3.8 billion years ago
((c))
4.9 million years ago
((d))
6 billion years ago

Show Answer

Answer: ((a))

6 million years ago

Which Chinese traveler came to India during the time of Chandragupta II?

((a))
Hiuen Tsang
((b))
Yijing
((c))
Taranath
((d))
Fa-Hien

Show Answer

Answer: ((a))

Hiuen Tsang

Which country hosted the G-20 summit in 2021?

((a))
Malaysia
((b))
Sri Lanka
((c))
Italy
((d))
Argentina

Show Answer

Answer: ((a))

Malaysia

42	104	38
36	99	52
38	?	16

((a))
68
((b))
85
((c))
98
((d))
102

Show Answer

Answer: ((a))

In the market of factors of production according to a circular flow diagram?

((a))
Families are buyers and firms are sellers
((b))
Families are sellers, firms are buyers
((c))
Families and forms are both buyers
((d))
Families and firms are both sellers

Show Answer

Answer: ((a))

Families are buyers and firms are sellers

Match it correctly?

(A)	Formation of Gram Panchayat	(i)	Article 50
(B)	Uniform Civil Code	(ii)	Article 48
(C)	Agriculture and Animal Husbandry	(iii)	Article 40
(D)	Separation of executive and judiciary	(iv)	Article 44

((a))
A - (iii), B - (iv), C - (ii), D - (i)
((b))
A - (iv), B - (iii), C - (ii), D - (i)
((c))
A - (ii), B - (iii), C - (i), D - (iv)
((d))
A - (i), B - (ii), C - (iii), D - (iv)

Show Answer

Answer: ((a))

A - (iii), B - (iv), C - (ii), D - (i)

What is the angular momentum of an electron in the third orbit of an atom? (Given h = 6.6 × 10-34 joule second)

((a))
3.15 × 1034 joule second
((b))
6.30 × 10-34 joule second
((c))
3.15 × 10^-34 joule second
((d))
6.30 × 1034 joule second

Show Answer

Answer: ((a))

3.15 × 1034 joule second

Legislative Council can be created or abolished in any state?

((a))
By the President on the recommendation of the Governor of the State
((b))
By the Parliament on the recommendation of the Chief Minister of the State
((c))
By the Parliament as per the resolution passed by the Legislative Assembly of the State.
((d))
Council of Ministers on Culture by the Governor of the State

Show Answer

Answer: ((a))

By the President on the recommendation of the Governor of the State

If ÷ means +, × means –, + means ÷, and – means ×, then the value of 10 ÷ 5 – 3 × 8 + 4 is?

((a))
-18
((b))
18
((c))
-23
((d))
23

Show Answer

Answer: ((a))

-18

Who was the father of Protestantism?

((a))
Martin Luther
((b))
Plato
((c))
Erasmus
((d))
Henry V

Show Answer

Answer: ((a))

Martin Luther

What is the reason for the twinkling of stars?

((a))
Atmospheric refraction of starlight
((b))
Scattering of light by dust particles
((c))
Scattering of light by water droplets
((d))
Reflection of light by clouds

Show Answer

Answer: ((a))

Atmospheric refraction of starlight

The word Jigger related to?

((a))
Polo
((b))
Chess
((c))
Golf
((d))
Billiards

Show Answer

Answer: ((a))

Polo

The Davis Cup is related to?

((a))
Tennis
((b))
Football
((c))
Basketball
((d))
Table tennis

Show Answer

Answer: ((a))

Tennis

Which of the following gas is responsible for acid rain?

((a))
Ammonia
((b))
Carbon monoxide
((c))
Methane
((d))
Sulphur dioxide

Show Answer

Answer: ((a))

Ammonia

The process of assimilation of social values is called?

((a))
Modernization
((b))
Socialization
((c))
Westernization
((d))
Secularism

Show Answer

Answer: ((a))

Modernization

Identify the correct statement.

I. Weather is a transient state of the atmosphere

II. The climate is the average of the weather conditions over a relatively long season.

((a))
Only I
((b))
Only II
((c))
Both I and II
((d))
None of these

Show Answer

Answer: ((a))

Only I

If the potential difference between the ends of a invariant resistor is halved, then the value of electric power will be?

((a))
Half
((b))
Double
((c))
Four times
((d))
One fourth

Show Answer

Answer: ((a))

Half

What is the equatorial rainforest known as in Brazil?

((a))
selvas
((b))
pampas
((c))
prairie
((d))
Deciduous forests

Show Answer

Answer: ((a))

selvas

The Republic Ethic Volume III is a compilation of selected speeches of?

((a))
Ramnath Kovind
((b))
M Venkaiah Naidu
((c))
Sonia Gandhi
((d))
Pranab Mukherjee

Show Answer

Answer: ((a))

Ramnath Kovind

India will start production of Israeli caramel, What is caramel?

((a))
Rifle
((b))
Helicopter
((c))
Aircraft
((d))
Radar

Show Answer

Answer: ((a))

Rifle

In which state is the Dandakaranya plateau located?

((a))
Tamil Nadu
((b))
Telangana
((c))
Chhattisgarh
((d))
Madhya Pradesh

Show Answer

Answer: ((a))

Tamil Nadu

Which of the following calcium compounds is used as a mild abrasive for toothpaste?

((a))
CaO
((b))
Ca(OH)₂
((c))
CaCO₃
((d))
CaCl₂

Show Answer

Answer: ((a))

CaO

Which was the host country for the first time the BRICS Film Symposium was organized?

((a))
Brazil
((b))
Russia
((c))
China
((d))
India

Show Answer

Answer: ((a))

Brazil

Who was the head of the Maratha Empire at the time of Aurangzeb's death?

((a))
Sambhaji
((b))
Rajaram
((c))
Jijabai
((d))
Tara Bai

Show Answer

Answer: ((a))

Sambhaji

The prize money of Rajiv Gandhi Khel Ratna Award is?

((a))
15 lakh
((b))
7.5 lakh
((c))
10 lakh
((d))
25 lakh

Show Answer

Answer: ((a))

15 lakh

If a square A of side 2 cm is joined to a square B of side 2 cm, then what will be the area (cm) of the figure joining A and B?

((a))
4
((b))
6
((c))
8
((d))
16

Show Answer

Answer: ((a))

If a current is passed through a spring, the spring will be ____________.

((a))
Expand
((b))
Compress
((c))
Remain same
((d))
First Expand then Compress

Show Answer

Answer: ((a))

Expand

Where was the Agreement on Trade and Tariffs signed?

((a))
Mauritius
((b))
Geneva
((c))
China
((d))
Singapore

Show Answer

Answer: ((a))

Mauritius

National Sports Day is celebrated on?

((a))
21 June
((b))
29 July
((c))
29 August
((d))
31 August

Show Answer

Answer: ((a))

21 June

_________ acts as a blood filter by trapping the organisms in the blood produced in the brain.

((a))
Thymus
((b))
Lymph gland
((c))
Spleen
((d))
Liver

Show Answer

Answer: ((a))

Thymus

JIMAX is a joint naval exercise?

((a))
India - UK
((b))
India - Japan
((c))
India - China
((d))
India - Singapore

Show Answer

Answer: ((a))

India - UK

Which decade has been declared as the United Nations Decade of Healthy Aging?

((a))
2016-2025
((b))
2022-2032
((c))
2019-2028
((d))
2021-2030

Show Answer

Answer: ((a))

2016-2025

According to Bohr, the full interpretation of social sciences is to develop a __________ thinking of social action.

((a))
explanatory
((b))
collaborative
((c))
exaggerated
((d))
superficial

Show Answer

Answer: ((a))

explanatory

Match the correct?

(A)	Willy-Willy	(i)	China
(B)	Hurricane	(ii)	Australia
(C)	Typhoon	(iii)	U.S.A.

((a))
A - (i), B - (ii), C - (iii)
((b))
A - (ii), B - (iii), C - (i)
((c))
A - (iii), B - (ii), C - (i)
((d))
A - (i), B - (iii), C - (ii)

Show Answer

Answer: ((a))

A - (i), B - (ii), C - (iii)

Who among the following was the founder of Satyashodhak Samaj?

((a))
Mahatma Gandhi
((b))
Raja Ram Mohan Roy
((c))
Dayanand Saraswati
((d))
Jyotiba Rao Phule

Show Answer

Answer: ((a))

Mahatma Gandhi

Which is the most abundant lipid in the cell membrane?

((a))
Phospholipid
((b))
Glycolipid
((c))
Steroid
((d))
Cutin

Show Answer

Answer: ((a))

Phospholipid

Who is the recipient of Padma Shri award in 2021?

((a))
P. Anita
((b))
P T Usha
((c))
Anju Bobby George
((d))
Sania Mirza

Show Answer

Answer: ((a))

P. Anita

Knowing the password of a user for hacking is called?

((a))
Sneaking
((b))
Spoofing
((c))
Cyber stalking
((d))
Spamming

Show Answer

Answer: ((a))

Sneaking

Who was awarded the Nobel Peace Prize for the year 2021?

((a))
Martin lee
((b))
Maria Ressa and Dmitry Muratov
((c))
Merlene boring
((d))
Lord Wavell

Show Answer

Answer: ((a))

Martin lee

Who among the following Sultans is known as Lakh Baksh?

((a))
Iltutmish
((b))
Balwan
((c))
Qutubuddin Aibak
((d))
Firoz Tughlaq

Show Answer

Answer: ((a))

Iltutmish

The title of the short story in the Rajasthani language, which has been awarded the Sahitya Akademi Award?

((a))
Bachpan ki Baat
((b))
Bareek baat
((c))
Beti Ri vidai
((d))
nari ri nar

Show Answer

Answer: ((a))

Bachpan ki Baat

Rani Rampal an eminent sportsman is related to which sport?

((a))
Cricket
((b))
Hockey
((c))
Basketball
((d))
Badminton

Show Answer

Answer: ((a))

Cricket

Where is the Irish Sea located?

((a))
in the south of France
((b))
in the west of new zealand
((c))
in the south of Spain
((d))
in the west of Britain

Show Answer

Answer: ((a))

in the south of France

Which of the following metals is responsible for blood clotting in our body?

((a))
Copper
((b))
Tin
((c))
Sodium
((d))
Calcium

Show Answer

Answer: ((a))

Copper

Which of the following Article of the Indian Constitution deals with citizenship?

((a))
Article 13 to 16
((b))
Article 5 to 11
((c))
Article 1 to 4
((d))
Article 12

Show Answer

Answer: ((a))

Article 13 to 16

What is glycogen, a natural polymer that is stored in animals?

((a))
monosaccharide
((b))
disaccharide
((c))
trisaccharide
((d))
polysaccharide

Show Answer

Answer: ((a))

monosaccharide

Which of the following is used as a preservative to preserve processed food?

((a))
Sodium metabisulphate
((b))
saccharin
((c))
Diclofenac sodium
((d))
Sodium tripolyphosphate

Show Answer

Answer: ((a))

Sodium metabisulphate

What happens when the sewage is discharged into a reservoir?

((a))
Decline in the oxygen consumption of microorganisms
((b))
increase in dissolved oxygen
((c))
drop of dissolved oxygen
((d))
There is no change in the amount of oxygen

Show Answer

Answer: ((a))

Decline in the oxygen consumption of microorganisms

Where will the FIFA World Cup 2022 be held?

((a))
United Arab Emirates
((b))
Qatar
((c))
Sweden
((d))
Russia

Show Answer

Answer: ((a))

United Arab Emirates

Which Sultan established a new department called Diwan-i-Amir-i-Kohi?

((a))
Iltutmish
((b))
Sikandar Lodi
((c))
Firoz Shah Tughlaq
((d))
Mohammed bin Tughlaq

Show Answer

Answer: ((a))

Iltutmish

Which of the following number is the largest?

(1.9)², 3.49, 2√3, 69/19

((a))
(1.9)2
((b))
3.49
((c))
2√3
((d))
69/19

Show Answer

Answer: ((a))

(1.9)2

Hayabusa-2 space mission belongs to which space agency?

((a))
JAXA
((b))
NASA
((c))
C. N. S. A
((d))
ISRO

Show Answer

Answer: ((a))

JAXA

Haldibari - Chilhati rail link connects India with which country?

((a))
Bangladesh
((b))
Bhutan
((c))
Myanmar
((d))
Thailand

Show Answer

Answer: ((a))

Bangladesh

Which magazine was published by Mahatma Gandhi during his stay in South Africa?

((a))
Navjeevan
((b))
Indian Opinion
((c))
Indian Reformer
((d))
New India

Show Answer

Answer: ((a))

Navjeevan

Match the following?

(a)	mitochondria	(i)	membraneless
(b)	ribosome	(ii)	single membrane
(c)	lysosomes	(iii)	double membrane

((a))
A - (i), B - (ii), C - (iii)
((b))
A - (iii), B - (i), C - (ii)
((c))
A - (iii), B - (ii), C - (i)
((d))
A - (ii), B - (iii), C - (i)

Show Answer

Answer: ((a))

A - (i), B - (ii), C - (iii)

The communication satellite named CMS-01 was launched by India, it will replace which of the following?

((a))
GSAT-10
((b))
GSAT-11
((c))
GSAT-12
((d))
GSAT-02

Show Answer

Answer: ((a))

GSAT-10

A disease affecting many people in different countries is called

((a))
Sporadic
((b))
Epidemic
((c))
Local
((d))
Omnipresent pandemic

Show Answer

Answer: ((a))

Sporadic

In which month Indian Air Force Day is celebrated?

((a))
November
((b))
October
((c))
December
((d))
January

Show Answer

Answer: ((a))

November

Who has won the Best Director award at the Indian Filmfare Awards?

((a))
Mira Nair
((b))
Om Raut
((c))
Anurag Kashyap
((d))
rayon pair

Show Answer

Answer: ((a))

Mira Nair

The recent publication of Zoological Survey of India talks about 428 species of birds at which of the following places?

((a))
lonar lake
((b))
Sur Sarovar Lake
((c))
Sundarban
((d))
Sandi Bird Sanctuary

Show Answer

Answer: ((a))

lonar lake

What is the interlocking pattern of food chains called?

((a))
ecological pyramid
((b))
energy flow
((c))
food web
((d))
ecological niche

Show Answer

Answer: ((a))

ecological pyramid

The scheme announced on 31st March 2000 to encourage exports in India was?

((a))
special economic zone
((b))
Export Produced Unit Scheme
((c))
Agriculture export zone
((d))
Independent trade and storage area

Show Answer

Answer: ((a))

special economic zone

At what temperature is milk heated for 30 minutes under the system of pasteurization?

((a))
94°C
((b))
72°C
((c))
68°C
((d))
63°C

Show Answer

Answer: ((a))

94°C

Which constitutional amendment of the Indian Constitution limited the number of ministers in the Council of Ministers?

((a))
73rd
((b))
86th
((c))
87th
((d))
91st

Show Answer

Answer: ((a))

73rd

According to Bohr's principle, the relation between atomic radius (r) and principal quantum number (n) is given by?

((a))
r is proportional to (n)
((b))
r proportional to 1/n
((c))
r proportional to n²
((d))
r proportional to 1/n²

Show Answer

Answer: ((a))

r is proportional to (n)

Mycotoxins are produced by

((a))
Bacteria
((b))
Algae
((c))
Fungus
((d))
Protogynous

Show Answer

Answer: ((a))

Bacteria

Calcium deficiency in children?

((a))
anemia
((b))
Rickets
((c))
night blindness
((d))
marasmus

Show Answer

Answer: ((a))

anemia

Reference group?

((a))
imaginary group
((b))
aspiration group
((c))
semi group
((d))
virtual group

Show Answer

Answer: ((a))

imaginary group

What is deducted from the gross investment to get the net investment?

((a))
direct tax
((b))
indirect tax
((c))
profit
((d))
depreciation

Show Answer

Answer: ((a))

direct tax

If a fraction is multiplied by itself and its product is divided by its reciprocal, the result is 512/27, then what is the value of the original fraction?

((a))
4/3
((b))
8/27
((c))
8/3
((d))
7/3

Show Answer

Answer: ((a))

4/3

In the case of elastic demand, when the price rises-

((a))
total revenue will increase
((b))
total revenue will decrease
((c))
There will be no effect on total revenue
((d))
none of these

Show Answer

Answer: ((a))

total revenue will increase

Which of the following features belongs to the primary group?

((a))
large group of people
((b))
close and face-to-face reconciliation
((c))
lack of sense of belonging
((d))
formal relationship

Show Answer

Answer: ((a))

large group of people

Where was the World Summit on Sustainable Development held in 2002?

((a))
Rio de Janeiro
((b))
Stockholm
((c))
Johannesburg
((d))
Tokyo

Show Answer

Answer: ((a))

Rio de Janeiro

What is the weight of a women's ball (shotput)?

((a))
4 kg
((b))
3 kg
((c))
4.5 kg
((d))
3.75 kg

Show Answer

Answer: ((a))

4 kg

The world's fastest sprinter Usain Bolt belongs to which country?

((a))
Nigeria
((b))
Colombia
((c))
Jamaica
((d))
Uganda

Show Answer

Answer: ((a))

Nigeria

Which of the following rays consists of positively charged particles?

((a))
Beta rays
((b))
Gamma rays
((c))
Alpha rays
((d))
X-rays

Show Answer

Answer: ((a))

Beta rays

Tso Kar wetland is in which region of India?

((a))
Manipur
((b))
Ladakh
((c))
Arunachal Pradesh
((d))
Sikkim

Show Answer

Answer: ((a))

Manipur

What is the next given term?

C3 F6 I9 L12

((a))
O15
((b))
N14
((c))
P15
((d))
O13

Show Answer

Answer: ((a))

O15

Which of the following is the busiest canal in the world?

((a))
Panama Canal
((b))
Kiel Canal
((c))
Rhine Canal
((d))
balland canal

Show Answer

Answer: ((a))

Panama Canal

Who was the first Governor General of independent India?

((a))
Sir Radcliffe
((b))
Lord Mountbatten
((c))
C Rajagopalachari
((d))
Lord Wavell

Show Answer

Answer: ((a))

Sir Radcliffe

In India, McDonald's becoming a pure vegetarian at the festival of Navratri is an Example of?

((a))
Secularism
((b))
Universality
((c))
Publicity
((d))
Geolocation

Show Answer

Answer: ((a))

Secularism

In which country is the Kimberley Diamond Mining Area located?

((a))
S.africa
((b))
Afghanistan
((c))
Nigeria
((d))
Brazil

Show Answer

Answer: ((a))

S.africa

Where does the Indian Standard Time Line not pass through?

((a))
Uttar Pradesh
((b))
Odisha
((c))
Chhattisgarh
((d))
Telangana

Show Answer

Answer: ((a))

Uttar Pradesh

Which of the following is not correctly matched?

((a))
Black soil - Maharashtra
((b))
Laterite Soil - Tamil Nadu
((c))
Peat Soil - Gujarat
((d))
Alluvial soil- Uttar Pradesh

Show Answer

Answer: ((a))

Black soil - Maharashtra

What is the quorum of the Parliament fixed?

((a))
one-tenth of the membership of the House
((b))
two-thirds of the membership of the House
((c))
one-third of the membership of the House
((d))
One-eighth of the membership of the House

Show Answer

Answer: ((a))

one-tenth of the membership of the House

At what temperature do most pathogenic microorganisms grow most?

((a))
20°C
((b))
37°C
((c))
49°C
((d))
74°C

Show Answer

Answer: ((a))

20°C

Which one of the following is a unit of sound?

((a))
Calories
((b))
Decibel
((c))
Ampere
((d))
Volt

Show Answer

Answer: ((a))

Calories

The first Skill Development Center for Excellence for development in the power sector has been set up in which of the following cities?

((a))
Noida
((b))
Ghaziabad
((c))
Gurugram
((d))
Aligarh

Show Answer

Answer: ((a))

Noida

Amir Khusrau, popularly known as Tota-e-Hind, was born ?

((a))
In Pataliputra
((b))
In patiala
((c))
In Patiali
((d))
In Patanpur

Show Answer

Answer: ((a))

In Pataliputra

The Cotopaxi mountain peak located in which country?

((a))
South Africa
((b))
Peru
((c))
Ecuador
((d))
Italy

Show Answer

Answer: ((a))

South Africa

Who among the following is the author of Mudrarakshasa?

((a))
Kalidas
((b))
Visakhadatta
((c))
Ashvaghosh
((d))
Bhas

Show Answer

Answer: ((a))

Kalidas

The four-digit number 6a25 divisible by 11, what is the value of a?

((a))
0
((b))
2
((c))
3
((d))
5

Show Answer

Answer: ((a))

Which of the following is not an outflow?

((a))
Loan from abroad
((b))
Payment of debts
((c))
Buying assets abroad
((d))
Buying shares of foreign companies

Show Answer

Answer: ((a))

Loan from abroad

Lucy Bronze is related to which of the following sports?

((a))
Football
((b))
Cricket
((c))
Tennis
((d))
Basketball

Show Answer

Answer: ((a))

Football

Give the correct chronological order of the following?

(i) Second Round Table Conference

(ii) Quit India Movement

(iii) Establishment of the Indian National Congress

(iv) Simon Commission Report

((a))
(iv), (ii), (iii), (i)
((b))
(iii), (iv), (i), (ii)
((c))
(ii), (iii), (iv), (i)
((d))
(i), (iv), (ii), (iii)

Show Answer

Answer: ((a))

(iv), (ii), (iii), (i)

Which of the following meridian is the standard meridian of India?

((a))
82°30′ East
((b))
85°30′ East
((c))
82°30′ west
((d))
74°30′ west

Show Answer

Answer: ((a))

82°30′ East

100

What should raw food be washed with?

((a))
HCl
((b))
NaOH
((c))
H₂SO₄
((d))
KMnO₄

Show Answer

Answer: ((a))

HCl

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