This content is a practice session for the upcoming Kolkata Police Constable Prelims 2025 exam, featuring a review of 40 selected questions with extensive supplementary notes to aid last-minute preparation.
Mind Map
Click to expand
Click to explore the full interactive mind map
Hello students, welcome to CRP
Academy. Welcome to the CRP Academy
and good morning to everyone. We are
practicing last minute suggestions by answering 40 selected questions every day from 7 am for the upcoming Kolkata Police Constable Prelims 2025 exam.
I'm looking at the extra notes. Today we will
set numbers practice. I have also
started marathon classes for you
and will prepare very well in these last few days.
So I will start the class.
Before that, if you are new to CRP Academy,
subscribe to the channel. Press the bell icon next to it
and you will be
added to our Telegram channel.
So look at the first question. What does question number one
say? Look at the Indian Constitution. In which article does it say that
everyone has equal rights in government service
? During each question,
try to
comment on the correct answers in the comment box and
match them with my answers.
Do your answers match? The practice will be over
and there are many extra notes in class today. You will
see these last-minute extra
notes, but they will be very useful. The
correct answer will be option B. Section 16
talks about equal rights for all in government jobs.
Look at question number two. Which of the following mirrors is
correct answer would be option B, convex mirror.
Next question number three.
Where is one of the Saras Mahajan posts located in Assam, present-day India
? Assam was the southernmost
So the correct answer from here would be option
C which is currently located in the area along the banks of the Godavari River.
Next is an important announcement. Kolkata
Police Constable Suggestion Batch will
get last minute suggestions at the last minute.
You will also get a full mock test. Apart from this,
your classes will be conducted in a completely new way targeting all the police exams,
according to the syllabus and exam pattern of the exam, each subject and
each chapter will be taken into account
through the theory of descriptive pattern, based on it,
question answers, mock tests and
PDF study material of the class, contact 9647536, the
9647536, the
best questions of the exam will be
taken through proper guidance, you will
get the details in the description box, join now,
nature sandalwood, question number four,
look at which state is the dry river located in the following,
very important question, in which state are the different rivers located, the
question comes in the exam, then the dry river is located in
see the names of some important lakes,
their nature and in which state are they located, let's take a look at where the
Kolderu Rath is
located, the Sadhuchal Rath is
located in Andhra Pradesh and there
is a question in the exam,
where is the particular location of the Kolderu Rath, it will be
Krishna and Godavari
This Koldu Rath is located in the middle of the river, right
between the Krishna and Godavari rivers.
Then look at the Chilka Rath, the saltwater Rath,
located in Odisha. Chilka is India's
largest lagoon or upper reaches.
Samrad is the saltwater Rath in Rajasthan. Sambarth is India's largest
saltwater reservoir. Vemnath Rath is also a saltwater reservoir
located in Kerala. Pulicat
Rath is also a saltwater reservoir
located on the border of Andhra Pradesh and Tamil Nadu.
Also, look at the Ular Rath, the saltwater reservoir
located in the Kashmir Valley, and the Ular Rath
is India's largest saltwater reservoir. Lokta
Rath, the saltwater reservoir located in Manipur. Dal Rath
Sadhujal Rath is located in Srinagar.
Pangong Tso is a saltwater lake and is
located in Ladakh. So
I saw very important information.
Look at question number five. Where is the Central Tobacco
So the correct answer to question number five would be
option A in Rajahmundry. Okay?
Where is Rajamangri located? Andhra Pradesh. Okay
? And Andhra Pradesh is the
first state in India to
produce tobacco. That is why the
Tobacco Research Center is located in Rajamandiri, Andhra Pradesh. Let's take a look at the
various laboratories and their locations. The
Indian Agricultural
Research Laboratory is located in New Delhi. The
Central Rice Research Laboratory is located in
Cuttack, Odisha and will be branded as Starmark. The Central
Potato Research Laboratory is located in Shimla. The
Central Sugarcane Research Laboratory is located in
Coimbatore. The Central Road Research Laboratory is
located in New Delhi. The National Sugar
Laboratory is located in Kanpur.
Where is the Indian Lacquer Laboratory located? In Ranchi.
Next, you see question number.
The names of the limbs of various animals come up in the exam.
Very important topic.
So the correct answer for the name of Hydra's habitat is
Look, let's look at the names of different animals, let's
look at the locomotion system and the locomotion organs. The
locomotion system of these two animals is
amoeboid and is a ciliated locomotion organ.
Euclina trypanosoma and nautilica are the
locomotion systems of these three animals. Flagella and locomotion organ flagella.
Look at the
locomotion system of these three animals. Paramecium voticella and palyna are the ciliary locomotion
system and locomotion organ cilia.
Hydra is the locomotion system. Looping
and summer salting are both called names
and what is the locomotion organ. Corsican snail and
oyster locomotion system is sliding and locomotion
organ. The locomotion system of carnivorous starfish is
looping and locomotion organ is tube feet. It is very very
important. We saw the information from here.
Next question number seven is
Which of the following bacteria is responsible for the disease of the liver?
Four options: Filaria, Plasmodium,
Amoeba or Salmonella. Option A will be the correct answer. We will look at
different diseases of the liver and that is
We will take a look at the names of the bacteria responsible for the disease.
Meningitis is caused
by the Neisseria meningitidis bacteria.
Pneumonia is caused
by a bacterium called Diplococcus pneumoniae.
Leprosy is caused by
a bacteria called Mycobacterium leprae.
Plague disease is caused
by a bacterium called Yersinia pestis. Dysentery is caused by a
bacteria called Bacillus dysentery. Look, cholera is caused
by a bacterium called Vibrio cholerae, and
tuberculosis is caused
by a bacterium called Mycobacterium tuberculosis.
I saw very, very important information about various diseases and the
bacteria responsible for those diseases.
Question number eight: Red blood cells are
produced in which of the following places? It has been tested several times. The
correct answer will be option C.
Red blood cells are produced in the red bone marrow.
See, the role of RBCs, or red blood cells,
is to carry oxygen to the body's tissues in exchange for the carbon dioxide that the lungs
bring in and remove.
That is,
red blood cells mainly carry oxygen.
Then look, it takes
about two days for a red blood cell to form from a hemocytoblast.
And the body
produces about 2 million red blood cells every second.
So we have very, very
important information
about red blood cells.
An important question to remember from here is
how long do red blood cells
live? That is 120 days. Okay?
Red blood cell lifespan.
RBC term.
Next question number. Who is considered the father of modern chemistry ?
?
Look at the question carefully. What did he say? Modern is
only the father of chemistry, but as given below,
look, if it is
called the father of the science of chemistry, then it will be Jabir ibn
Hyman, Sari Hayyan is only the
father of chemistry, and if it is said who is
called the father of modern chemistry, then the correct
Look at the different subjects and who we accept as the father of that subject. Let's take a look.
Archimedes, the father of arithmetic, Brahmagupta, the father of mathematics.
Al-Khawazmi, the father of algebra.
Euclid is the father of geometry.
Leonard Dix, the father of measurement. Hipparchus, the father of trigonometry.
Herodotus, the father of history, and Eratosthenes, the father of geography.
So you will see this very well. The
origin of various subjects is sometimes mentioned in exams.
Next, look at question number 10.
Which of the following scientists discovered the law of refraction of light ?
So the correct answer would be option B, snail. Let's take a look at
various scientific formulas and the
names of their discoverers.
Sir Isaac Newton discovered the law of gravity.
Joule Pressbar discovered the law of conservation of energy.
Snell discovered the law of refraction of light. The theory of the cask was proposed by Dob Hitler
and Bhami Jahangir Bhabha. The formula for thermal ion
theory was given by Meghnath Saha.
Hooke gave the law of elasticity of matter.
Then look,
Glasius discovered the law of thermodynamics and
Michael Faraday gave us the law of electromagnetism.
Next question number 11:
correct answer would be option C. The
normal amount of sugar in
100 ml of blood is 80 to 120 mg.
Next, look at question number 12.
What is the chemical name of vitamin C? Absolutely do it. It has
come up many times in various tests. The
So the correct answer would be option C, ascorbic acid.
This would be the chemical name for vitamin C. Let's take a look at
some information about different vitamins and their chemical names. The
chemical name of the vitamin is
retinol. The chemical name for vitamin B1 is
thiamine. Vitamin B12's chemical
name is riboflavin. The chemical name for vitamin B3 is
niacin. The chemical name for vitamin B is
pantothenic acid. The
chemical name for vitamin B6 is pyridoxine.
Also, look at vitamin B or vitamin H.
Its chemical name is biotin. The
chemical name of vitamin B9 is folic acid
and the chemical name of vitamin B is cyanocobalamin. Okay,
cyanocobalamin. Okay,
Next question number 13. Which of the following is a
declaration of India? There are
some declarations from different countries and those
declarations are known by different names.
What is the Declaration of India known as? The correct
Question number 14: Which of the following
correct answer will be Option A. The
Bloodthirsty One written by Rabindranath Tagore. We will see the
names of various novels and
we will see the names of the authors. Gora was
written by Rabindranath Tagore. Mrityu Khuda was written by
Nazrul Islam. Pather Daabi was written by
Sharad Chandra Chattopadhyay. The novel Aranyak was written by
Bibhutibhushan Bandopadhyay. The
novel Ganadevata was written by Tarashankar Bandopadhyay. The novel Hajar 84r Maa was written by Maheshta
Devi. The first surviving myth was
written by Asapurna Devi. Aranyar
Dinratri was written by Sunil Gangopadhyay.
Question number 15. What is the
name of the center of Harappan civilization located in Gujarat? This is a very
name of the center of Harappan civilization located in Gujarat will be Option A. Lothal.
What other important information is known?
Where are the first traces of rice cultivation of the Indus Valley Civilization found? From this Lothal. Okay
? What else can be learned from Lothal from here
? One of the names of Lothal was the
? It is known as the Manchester of the Indus Valley Civilization.
Lothal. Since it is a port city,
boats made of terracotta have been found here. So, let's take a
look at some important information about Lothal.
Question number 16: The deficiency of which of the following vitamins causes
phenoderma or a skin disease called torticollis.
So the correct answer to question number 16 would be option B.
Phynoderma or dry
skin disease is caused by a lack of vitamin B. Let's take a look at different
vitamins and minerals and the diseases caused by their deficiency.
Vitamin deficiency
causes night blindness. We see
three types of diseases in the human body: phenoderma, keratomalacia, and keratoderma.
Beriberi is caused by a deficiency of vitamin B1. Vitamin B deficiency causes
stomatitis and glossitis. The
disease caused by a deficiency of vitamin B3
is pellagra. Neuropathy is seen due to a deficiency of vitamin B6.
Vitamin B deficiency can be seen in
diseases such as dermatitis and eczema.
Next, look at Vitamin Bit. Anemia or
blood loss disease can be seen.
Scurvy is a disease caused by a lack of vitamin C.
Vitamin D deficiency causes diseases such as
rickets and osteomalacia. The
disease that can be seen due to a deficiency of vitamin E
is infertility, and the
deficiency of vitamin K can cause bleeding. So very,
Next question number 17. In what way does
what
correct answer would be option C, radiation method.
Question number 18 When is National Worm Day
correct answer would be option C.
National Sports Day is celebrated on August 29th. And
what is this day? Major
birthday. And what was Major Dhyan Chand called ?
? Hockey
wizard.
Question number 19: Desert red clover is a
So the correct answer would be option C,
total internal reflection. The
mist in desert regions is caused by total internal reflection.
See question number 20. The Rovers Cup is
So the correct answer to question number 20 will be option
C. Rovers Cup is related to the game of football. Let's take a look at
various important
trophies and cups and which game they are
related to. Aga Khan Cup is related to the game of
hockey. Amrit
Diwan Cup is related to the game of badminton. Chak Cup is related to the game of cricket.
cricket.
Ajansa Cup is related to the game of
hockey. Bandarka Trophy is related to the game of
football. Baton Cup is related to the
game of hockey. The Davis Cup is
related to lawn tennis and the
Hopman Cup is related to lawn tennis.
So, take a good look at these extra notes.
I keep saying that
if you look not only at the question but also at what other questions may come related to that question or what other information is available, then you have a
chance of getting the maximum common in the exam.
What is the position called when the number 21 is in a straight line? That is, when the Earth, Moon, and
Sun move in the same straight line, what is that
special situation or
correct answer is option A, which is called CG.
Look at question number 22. When was the
voting age for citizens lowered from 21 to 18
? In which year below? Very
important question. I have been tested several times.
And I'm bringing you selected questions.
So that you
So the correct answer will be option A. In 1989.
How many constitutional amendments did this happen?
Amendment was enacted in 1988 but came into
effect in 1989. Let us take a look at
some important constitutional amendments
that are very important to the examination. Let us take a look at the
36th Constitutional
Amendment in 1975. What is done here?
Sikkim was given the status of a full state of India.
42nd Constitutional Amendment in 1976 is a very
important constitutional amendment.
What is done here?
Directive principles are given more priority than fundamental rights. In other words,
DPSP is given more importance than fundamental rights.
10 fundamental duties or fundamental duties were
added to the 42nd Constitution in 1976. In addition,
three new words, socialist, secular, integrity and unity, are added to the
Constitution and many
things are changed through this constitutional
amendment. That is why this constitutional
amendment is called a mini version of the Constitution of India.
This constitutional amendment is called the Constitution.
Also see the 44th Constitutional Amendment of 1978. The
right to property was previously among our fundamental
rights. But through this constitutional
amendment, the fundamental right, the
right to property, is
turned into a legal right instead of a fundamental right.
According to Article 352,
armed forces can be deployed during the declaration of a state of emergency.
This is also included. Then, the
52nd Constitution of 1985, the Tenth Schedule was
added, which was against illegal smuggling.
Next, look at question number 23.
So the correct answer would be option C. Sukumar Roy
Next question number 24. In
which year and where did the modern Olympic Games begin ? The
correct answer would be option A. The
modern Olympic Games began in Athens in 1896. So let's
look at the details about the Olympic Games.
Look, the ancient Olympic Games began in
776 BC.
In ancient Greece, the Olympic Games were held
with religious rituals in Olympia, the home of the god Zeus.
According to ancient mythology, the Olympics were named after Hercules, the son of the Greek god Zeus.
Pierda Kubetta founded the
International Olympic Committee, or IOC, on June 23, 1894. The
first modern
Olympic Games were held in 1896 at the
Panathenaic Stadium in Athens, under the auspices of the International Olympic Committee. So this
information is very, very important.
When did it first happen? That is,
who made the Olympic Committee in 786 BC? That
is, in 1894, in Pierre-Coberta, right,
and when was the first game played? In 1896, these are
important. Look, the
motto or purpose of the Olympic Games is, look, Citius Altius
et Photius. This is said in Latin,
which literally means: Citius means
faster, Altius means higher, and
Photius means stronger.
Six letters can be seen on the flag of the Olympic Games. The
background is white and on top of the white are
five rings of five colors: blue, yellow, black, green, and
red. And these
five rings represent the five continents.
Look, the color blue represents Europe, the
color yellow represents Asia, and the color black
represents Africa. The green color
represents America and the red color
represents Oceania. And the
Olympic flame is a
symbol of continuity. So
we saw very, very important information.
Next, look at question number 25. Which articles of the Constitution
So the correct answer would be option B. Articles 25 to 28
describe the right to freedom of religion.
Look, there are currently six fundamental rights in the Indian Constitution,
and what are those six
fundamental rights? The
right to equality is covered in Articles 14 to 18. The
right to liberty is covered in Articles 19 to 22.
Rights against exploitation are covered in Articles 23 to
24. The
right to religious freedom. Sections 25 to
28. The right to culture and
education is covered in Articles 29 to 30
and the right to constitutional remedies is covered in
Article 32. Very, very
Question number 26. When was the Reserve Bank of India
nationalized? RBI Reserve
Bank of India. In
correct answer will be option C in 1949 and see
RRB sorry RRB say RBI Reserve
Bank of India was established on 1st
April 1935 where in Kolkata and
who is the Governor at present Shaktikanta
Das this is the current Governor the current Governor
27 see who was the first President of Indian Trade Union Congress in 1920 ?
?
The question may arise when was the Indian Trade
Union Congress (ITUC)
established? This will be in 1920.
And who was the first president? The
correct answer would be option C Lala Lajpat Rai.
I'll look into the details. The All India Trade
Union Congress was founded on 31st October 1920.
Look, in that year,
Lala Lajpat Rai became the President of the Indian National Congress
and the
first President and Dewan Chaman Lal
was elected the first General Secretary of the AITUC, that is, who was
Lala Lajpat Rai and
who was Dewan Chaman
Lal? Look, the third and fourth sessions of the AITUC were
presided over by the British Congress
and the Swarajya leader C. R. Das, i.e.
Chittaranjan Das, presided over the third and fourth sessions.
Question number 28: By what name is Maheshda Das
There are four important names. So the correct
answer would be option C Birbal. Although we
know him as Birbal or he is most commonly known
as Birbal, his real name is Maheshdas. Let's take a look at
some historical figures and their
real names. Itumir's real name is
Mir Nisar Ali. Nur Jahan, who was
Jahangir's wife, was originally named
Mehrunna. The one we know more as Shah Jahan was actually
named Khurra. The
actual name or real name of the Sikandar Lad that we know is Nizam Kha. The
real name of the person we know as Tatiya Tapi is
Ramchandra Panduranga. Very important
exams are coming up. Ghiyasuddin Balban's
real name was Uluk Kha and Ghiyasuddin Tughlaq
's real name was Ghazi Malik.
Question number 29: Who was the first Viceroy of British India?
This type of question comes up in the exam. The
first Viceroy of British India was
Lord Caring. Option A: Look at the details.
Who was the first Governor of Bengal? Robert Clive.
Who was the last Governor of Bengal? Warren
Hastings. This means that the name of this governor is being
changed again. What is happening? Governor
General. So, during the time of Warren Hastings, the term
governor was being dropped and a
new title, Governor General, was being introduced. So
Warren Hastings was the last Governor of Bengal and the
first Governor General of Bengal was Warren
Hastings. That is, the
next verse will begin where it ends. Look again, later, the
Governor General of Bengal is being removed from this position. So,
So,
who was the last Governor General of Bengal? Lord William
Banting. This road is being renamed.
What is that? Bengal is being handed over to
India. So who was the first Governor General of India? It
will be Lord William Banting. Is the
title of Governor General of India being
dropped again in the future? They are the
Viceroys of India. So, look, the last Governor
General of India, Lord Canning,
was renamed Viceroy. So Lord Canning will become the first Viceroy of India. Similarly,
Similarly,
later, look again, the last Viceroy of India,
Lord Mountbatten, is being renamed again. Is that the
Governor General coming back? The
country has become independent. The
first Governor General of independent India was Lord
Mountbatten and the last Governor General of independent India was
K. Chakraborty Rajagopalachari. And since then,
this Governor General has been the
Governor General of India. It may be
Question number 30: Which religion
Bindusara was the son of Chandragupta Maurya, the second king of the Maurya dynasty,
and Bindusara was the father of Ashoka.
So what religion was he passionate about?
So the correct answer would be option C, Ajibak. He
was passionate about the Ajivaka religion and for that reason he
he
donated the famous Barbara Cave in Bihar to the monks of the Ajivaka sect. He
donated to the Sanachas of the Ajivaka community.
Question number 31:
What is the minimum age required to become the President of India? The
correct answer would be option C 35 years.
Question number 32: Which
correct answer would be option C.
Shivaji first conquered the Torna fort. Question 33:
The concept of Concurrent List in the Indian Constitution was
adopted from the constitution of which country?
Very, very important information.
What do we call the joint list in English
correct answer would be option D. It was
brought from Australia. Let's look at some of the sources of the Constitution.
What has been brought from the United States? The proposal has
brought in fundamental rights and judicial independence.
What was brought from South Africa?
Constitutional amendment procedure.
What was brought from Australia? Joint List,
Proposals and Joint Session. Well, there
is a little mistake here. There will be
language of the
preamble was brought
from Australia. Where did the proposal come from ?
?
From the United States of America. Emergency measures have been brought from Germany
and federal measures have been brought from Canada.
Besides, look, the
fundamental duties, five-year
plans, and justice have been brought from Soviet Russia. The
number of members nominated by the President to the Rajya Sabha has been brought from Ireland.
Presidential Election Procedure and
Directive Principles of State Governance, i.e.
DPSP. Very important, brought
from Ireland. Very
Look at question number 34. Where did Gautama Buddha
correct answer would be option B. Bodhgaya
attained Nirvana in Goa. Nirvana means
attaining enlightenment. Did he preach religion in Sarnath?
What is the special name for it? The
turning of the wheel of Dharma. The
place where he first imparted his knowledge. In
what year was he born in Lumbini? 563 BCE.
BCE.
Mahaparinirman, that is, in
what year did he die? 483 BC. So, very,
very important information about Lord Gautama Buddha.
When did the 35th Constituent Assembly adopt our national flag ?
So the national flag was adopted on Option D on
22nd July 1947 and
who designed this national flag? Pingali
Venkaida. Very, very important.
36 Look, on which river is Hyderabad located ?
So the correct answer would be option D, Mushi. There was also an
important story that we
read in school life.
Hyderabad is located on the banks of the Musi River.
Look, let's see the names of different cities and the
cities on the banks of the rivers. Ahmedabad is located on the banks of the
Sabarmati River.
Srinagar is located on the banks of the Jhelum River.
Madura is located on the banks of the Mus River.
Jamshedpur is located on the banks of the Vaigai River. Nasik is located on the banks of the Subarnarekha River. On the
banks of the Godavari River, besides Cuttack is located.
Sambalpur is located on the banks of the Mahanadi.
Dibrugarh is located on the banks of the Mahanadi. On the banks of the Brahmaputra River.
37. Where is the hormone called estrogen
correct answer will be option D. From the ovaries.
38. All factory nerves help in which of the following functions?
correct answer will be option C.
All factory nerves help us in smelling.
Let's see the details. All factory nerves
help in the sense of smell.
It is for smell, so the main nerve
has another nerve. As you
can understand from the name optic nerve, optic is the
carrier of vision. It
transmits visual information from the eye to the brain. That is, what we
see goes to our brain through the optic nerve.
See the
prociliary nerve. That is, what helps the eye move. That is, it
helps us move our eyes.
See the glossopharyngeal nerve. That is, it
stimulates the basic oral sensation and taste sensation. That is, the nerve responsible for the taste we are experiencing is the
formed the Indian Parliament in 1876?
correct answer will be option A. Surendranath
Bandopadhyay was elected to the Indian Parliament in 1876.
See question number 40. Which of the following is the
highest military honor, Option C, Param Vir
Chakra, details. See when the Param Vir Chakra is
awarded. See when the Param Vir Chakra is awarded. The Param Vir Chakra is India's
highest military decoration, awarded
for distinguished service during war.
Why is the Ashoka Chakra
awarded? The Ashoka Chakra is India's highest
peacetime military decoration, awarded for
bravery, bravery, self-sacrifice, or bravery away from the battlefield. That is,
is,
if someone dies on the battlefield
and is okay for peace,
this evil cycle is given for peacetime military equipment.
Kirti Chakra Kirti Chakra is given to whom or
for what. See Kirti Chakra was first
established in 19252. In the second
class and it was redesigned as Kirti Chakra in 1967. So
So
look at the sun. Surya Chakra was established in 1952 in
Class Three and was
redesigned as Saury Chakra in 1967.
So these were the 40 important
questions of today. Whose score out of the 40 answers will
comment in the comment box.
I have included plenty of extra notes
with each question so that you can find out relevant information.
Your class seems interesting and
and
you can get a good answer no matter where the questions come from on the exam. And I will
finish the class. Before that, one more
important announcement. KP Constable suggestion
batch will get very last minute suggestions.
Along with full mock tests and our Foundation
Batch Course 2026, targeting all police exams,
classes are being
and will be conducted in completely new groups through the theory of descriptive patterns, covering every chapter of each subject, according to the exam syllabus and exam pattern. So
for the best preparation for the exam, contact us now at 96475362. You will
96475362. You will
get the details in the description box.
Join now for the best preparation for the exam. If you are new to CRP Academy,
subscribe to the channel and
press the bell icon next to it. Also,
join Telegram. I am
ending the class here today. All the best to everyone. Thank
Click on any text or timestamp to jump to that moment in the video
Share:
Most transcripts ready in under 5 seconds
One-Click Copy125+ LanguagesSearch ContentJump to Timestamps
Paste YouTube URL
Enter any YouTube video link to get the full transcript
Transcript Extraction Form
Most transcripts ready in under 5 seconds
Get Our Chrome Extension
Get transcripts instantly without leaving YouTube. Install our Chrome extension for one-click access to any video's transcript directly on the watch page.
