Lucent GK Book Bengali PDF 2026 Download

These types of competitive mcqs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, dsssb, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.

We created all the competitive exam mcqs into several small posts on our website for your convenience.

You will get their respective links in the related posts section provided below.

Related Posts:

Lucent GK Book Bengali PDF for Students

The term popularly called the “God Particle” is associated with which particle?

(A) Neutrino

(B) Leptons

(D) Mesons

Option c - Higgs Boson

Which of the following combinations is incorrectly paired?

(A) Optical fibres – Transmission of Light

(B) Android – Voice-based input

(D) Red Planet – Mars

Option b - Android – Voice-based input

The area of Physics that explains the behavior of particles at microscopic scales is known as

(A) Field Theory

(B) Particle Physics

(D) Atomic Physics

Option c - Quantum Mechanics

The discipline that focuses on automated systems and interaction between humans and machines is called

(A) Hydroponics

(B) Cryogenics

(D) Cybernetics

Option d - Cybernetics

Android operating system version 6.0 is popularly referred to as

(A) Marshmallow

(B) Jelly Bean

(D) Lollipop

Option a - Marshmallow

The branch of science related to the measurement and study of time is known as

(A) Horology

(B) Cosmology

(D) Hydrology

Option a - Horology

The scientific study dealing with friction, wear, and lubrication is termed

(A) Cryogenics

(B) Selenology

(D) Tribology

Option d - Tribology

White Dwarf stars are studied under which field of science?

(A) Astronomy

(B) Agriculture

(D) Anthropology

Option a - Astronomy

Which of the following statements is not correct?

(A) Aircraft tyres are slightly conductive to avoid accumulation of static Electricity

(B) The sky appears blue because blue Light scatters more than violet Light

(D) Vehicles carrying inflammable substances often drag metallic chains on the ground

Option b - The sky appears blue because blue Light scatters more than violet Light

The National Physical Laboratory is located in

(A) New Delhi

(B) Chennai

(D) Kolkata

Option a - New Delhi

The National Chemical Laboratory is situated at

(A) Lucknow

(B) New Delhi

(D) Hyderabad

Option c - Pune

Tata Institute of Fundamental Research is based in

(A) Bengaluru

(B) Kolkata

(D) Mumbai

Option d - Mumbai

The full form of LASER is

(A) Log Amplification by Stimulated Emission of Radiation

(B) Light Amplification by Stimulated Emission of Radiation

(D) Light Amplification by Stimulated Emission of Radio

Option b - Light Amplification by Stimulated Emission of Radiation

A laser device primarily produces

(A) Spontaneous radiation

(B) Dispersed radiation

(D) Stimulated radiation

Option d - Stimulated radiation

The highest ground-based astronomical observatory in the world is located in

(A) Colombia

(B) India

(D) Switzerland

Option b - India

The Chandra X-ray Observatory is named after which scientist?

(A) C. V. Raman

(B) Jagdish Chandra Bose

(D) Subrahmanyan Chandrasekhar

Option d - Subrahmanyan Chandrasekhar

Who became the first person to travel into outer space?

(A) Yuri Gagarin

(B) Alan Shepard

(D) John Young

Option a - Yuri Gagarin

The first woman cosmonaut in the world was

(A) Bachendri Pal

(B) Junko Tabei

(D) Sally Ride

Option c - Valentina Tereshkova

The Moon is scientifically classified as a

(A) Star

(B) Planet

(D) Meteorite

Option c - Satellite

The book Nuclear Reactor Time Bomb was authored by

(A) C. C. Park

(B) E. P. Odum

(D) Takashi Hirose

Option d - Takashi Hirose

The terminals of a standard torch cell are made of

(A) Zinc and Carbon

(B) Copper and Zinc

(D) Carbon and Copper

Option a - Zinc and Carbon

The abbreviation GIF stands for

(A) Geographical Image Format

(B) Global Image Format

(D) None of the above

Option c - Graphical Interchange Format

GPS refers to

(A) Greenwich Polar Satellite

(B) Global Police Surveillance

(D) General Pacific Survey

Option c - Global Positioning System

ATM is an abbreviation for

(A) Automatic Transaction Machine

(B) Automatic Transfer Machine

(D) Advance Transaction Machine

Option c - Automated Teller Machine

A Black Hole is an object that

(A) Emits no radiation at all

(B) Changes ultraviolet radiation into infrared

(D) Exists only as a theoretical idea

Option c - Absorbs all forms of radiation falling on it

The tail of a comet always points

(A) Away from the Sun

(B) Towards the Sun

(D) In the south-east direction

Option a - Away from the Sun

Extremely dense stars are referred to as

(A) Supernova

(B) Neutron stars

(D) Asteroids

Option b - Neutron stars

The share of nuclear power in India’s total energy production is approximately

(A) 60%

(B) 27%

(D) 3%

Option d - 3%

India’s earliest heavy water production facility was established at

(A) Bangalore

(B) Bhopal

(D) Hyderabad

Option c - Nangal

Which of the following substances shows paramagnetic behaviour?

(A) Iron

(B) Hydrogen

(D) Nitrogen

Option c - Oxygen

Which of the following elements is found in liquid state at normal room temperature?

(A) Lithium

(B) Sodium

(D) Cerium

Option c - Francium

Which metal listed below does not get attracted towards a magnet?

(A) Iron

(B) Nickel

(D) Aluminium

Option d - Aluminium

Identify the element that is non-magnetic in nature.

(A) Nickel

(B) Cobalt

(D) Copper

Option d - Copper

A freely suspended magnetic needle normally aligns itself towards the

(A) East

(B) West

(D) Sky

Option c - North

The magnetic tape used in tape recorders is coated with

(A) Copper sulphate

(B) Ferromagnetic material

(D) Mercury

Option b - Ferromagnetic material

The operating principle of a quartz watch is based on the

(A) Photoelectric effect

(B) Johnson effect

(D) Edison effect

Option c - Piezoelectric effect

In an electronic watch, which component functions similarly to the pendulum in a traditional clock?

(A) Transistor

(B) Crystal oscillator

(D) Balance wheel

Option b - Crystal oscillator

Liquid crystal Technology is used in

(A) Wrist watches

(B) Display screens

(D) All of the above

Option d - All of the above

Which of the following institutions is incorrectly paired with its location?

(A) National Institute of Oceanography – Goa

(B) Indian National Centre for Ocean Information Services – Hyderabad

(D) Antarctic Study Centre – Bengaluru

Option d - Antarctic Study Centre – Bengaluru

Which of the following pairs is correctly matched?

(A) Vikram Sarabhai – Sriharikota Space Centre

(B) ISRO Satellite Centre – Thumba

(D) Space Applications Centre – Ahmedabad

Option d - Space Applications Centre – Ahmedabad

The Indian Institute of Naturopathy and Yogic Sciences is situated at

(A) Pune

(B) Lucknow

(D) Bengaluru

Option d - Bengaluru

The most precise clock in the world, losing only one second in nearly 300 million years, is based on

(A) Quartz atoms

(B) Silicon atoms

(D) Zinc atoms

Option c - Strontium atoms

A carbon microphone is most effectively used in a

(A) Dynamo

(B) Telephone

(D) None of these

Option b - Telephone

The laws related to planetary motion were proposed by

(A) Newton

(B) Kepler

(D) Copernicus

Option b - Kepler

The working principle behind Magnetic Resonance Imaging (MRI) is

(A) Nuclear magnetic resonance

(B) Electron spin resonance

(D) Diamagnetism of human tissues

Option a - Nuclear magnetic resonance

The term “Soleckshaw” refers to a

(A) Computer program

(B) Vehicle used on the Moon

(D) Solar-powered rickshaw

Option d - Solar-powered rickshaw

A cytotron is a device used for producing

(A) Electrical energy

(B) Artificial Climate

(D) Images on a screen

Option b - Artificial Climate

Asia’s first engineering college was established at

(A) Chennai

(B) Bengaluru

(D) None of these

Option c - Roorkee

The metric system came into force in India on

(A) 1 October 1958

(B) 2 October 1956

(D) 1 January 1958

Option c - 1 April 1957

A tachyon is defined as

(A) A particle moving faster than the speed of Light

(B) A constituent of heavy atomic nuclei

(D) A quantum related to lattice vibrations

Option a - A particle moving faster than the speed of Light

Water jet Technology is primarily applied in

(A) Irrigation

(B) Mining and drilling operations

(D) Crowd control

Option b - Mining and drilling operations

When information is transmitted via telephone lines and displayed on a television screen, the process is called

(A) Telex

(B) Telefax

(D) Teleprocessing

Option b - Telefax

Laser Technology is widely applied in the medical treatment of

(A) Cancer

(B) Heart disorders

(D) Kidney problems

Option c - Eye diseases

Minerals can best be described as

(A) Liquids

(B) Inorganic Solids

(D) All of the above

Option b - Inorganic Solids

Which of the following pairs is incorrectly matched?

(A) Y2K – Computer

(B) Arthritis – Uric Acid

(D) Adobe – Hardware

Option d - Adobe – Hardware

Which of the following statements is correct?

(A) John Hopkins founded homeopathy

(B) Isaac Newton proposed the theory of Evolution

(D) Vasco da Gama discovered America

Option c - Carbon monoxide is a major air pollutant

Otto Hahn’s work on the atomic bomb was based on the principle of

(A) Uranium fission

(B) Nuclear fission

(D) Gamma radiation

Option b - Nuclear fission

The basic principle behind an atomic bomb is

(A) Nuclear fission

(B) Nuclear fusion

(D) None of the above

Option a - Nuclear fission

Which of the following nations was not part of the 21st edition of the Malabar naval exercise?

(A) United States of America

(B) Japan

(D) Australia

Option d - Australia

Identify the correct statement regarding Aman-17.

(A) It was a naval drill conducted by Iran to strengthen ties in the Middle East

(B) It was Afghanistan’s first space mission supported by ISRO

(D) It was a cultural music programme involving Indian and Pakistani artists

Option c - It was a multinational naval exercise hosted by Pakistan

Dr. Bindeshwar Pathak, honoured with the Nikkei Asia Prize 2018 for Culture and Community, established

(A) Bachpan Bachao Andolan

(B) PRS Legislative Research

(D) Smile Foundation

Option c - Sulabh Sanitation and Social Reform Movement

What was the official theme of World Blood Donor Day in 2018?

(A) Blood connects us all

(B) Be there for someone else. Give blood. Share life

(D) Thank you for saving my life

Option a - Blood connects us all

The naval rank of Captain in the Indian Navy corresponds to which rank in the Indian Air force?

(A) Captain in the Indian Army

(B) Group Captain

(D) Wing Commander

Option b - Group Captain

Which of the following statements about the Indian Air force is correct?

(A) It maintains permanent Bases in several friendly nations

(B) It never conducts joint military exercises

(D) No officer has ever been promoted to the rank of Marshal of the Indian Air force

Option c - It functions with an independent Maintenance Command

Who wrote the book A Comparison between Women and Men?

(A) Pandita Ramabai

(B) Sarojini Naidu

(D) Rameshwari Nehru

Option c - Tarabai Shinde

Which of the following does not function as an Inter-Services institution?

(A) Officers Training Academy

(B) National Defence Academy

(D) Armed Forces Medical College

Option a - Officers Training Academy

Where is the Southern Naval Command of the Indian Navy headquartered?

(A) Karwar

(B) Kochi

(D) Chennai

Option b - Kochi

Which option does not represent the correct ascending order of commissioned officer ranks in Indian Defence services?

(A) Lieutenant, Captain, Major, Colonel, Lieutenant Colonel, Brigadier, Major General, Lieutenant General, General

(B) Flying Officer, Flight Lieutenant, Squadron Leader, Wing Commander, Group Captain, Air Commodore, Air Vice Marshal, Air Marshal, Air Chief Marshal

(C) Flying Officer, Flight Lieutenant, Squadron Leader, Group Captain, Wing Commander, Air Commodore, Air Vice Marshal, Air Marshal, Air Chief Marshal

(D) Sub Lieutenant, Lieutenant, Lieutenant Commander, Commander, Captain, Commodore, Rear Admiral, Vice Admiral, Admiral

Option c - Flying Officer, Flight Lieutenant, Squadron Leader, Group Captain, Wing Commander, Air Commodore, Air Vice Marshal, Air Marshal, Air Chief Marshal

Who was the first recipient of the Dronacharya Award from Rajasthan?

(A) Karan Singh

(B) Ripudaman Singh

(D) Paramjeet Singh

Option a - Karan Singh

National Unity Day in India commemorates the birth anniversary of which leader?

(A) Dr. Ram Manohar Lohia

(B) Dr. B. R. Ambedkar

(D) Dr. Rajendra Prasad

Option c - Sardar Vallabhbhai Patel

The book Rashmirekha was authored by

(A) Gajanan Madhav Muktibodh

(B) Bal Krishna Sharma Naveen

(D) Bhawani Prasad Mishra

Option b - Bal Krishna Sharma Naveen

Which organisation has often been referred to as a “caged parrot”?

(A) Central Vigilance Commission

(B) Press Trust of India

(D) Border Security force

Option c - Central Bureau of Investigation

The headquarters of the World Meteorological Organisation is situated in

(A) Washington

(B) Geneva

(D) London

Option b - Geneva

Which Chhattisgarhi expression is used to convey the meaning of “feeling ashamed”?

(A) Mudi Thathana

(B) Mudi Patakana

(D) Mudi Khajawana

Option c - Mudi Gadiyana

NAYA SAVERA refers to

(A) a programme aimed at de-addiction of doda post users

(B) an initiative to help tobacco users overcome addiction

(D) all of the above

Option d - all of the above

Which of the following countries is not included in the G7 group?

(A) France

(B) Germany

(D) Japan

Option c - Russia

The Defence Technology and Trade Initiative serves as a dialogue mechanism on Defence cooperation between India and

(A) Russia

(B) United States of America

(D) France

Option b - United States of America

Which of the following Indians never won the Miss World title?

(A) Reita Faria

(B) Sushmita Sen

(D) Yukta Mookhey

Option b - Sushmita Sen

The Mohun Bagan football club was established in which year?

(A) 1850

(B) 1879

(D) 1901

Option c - 1889

Manohar Aich, popularly known as the “Pocket Hercules”, was a

(A) Boxer

(B) Athlete

(D) Bodybuilder

Option d - Bodybuilder

Raja Ravi Varma, a noted painter of the Modern Age, was born in which year?

(A) 1848

(B) 1858

(D) 1878

Option a - 1848

Joe Root is associated with which sport?

(A) Cricket

(B) Chess

(D) Golf

Option a - Cricket

We provided the Lucent GK Book Bengali PDF above in this post for free so that you can practice well for the exam.

Check out the latest mcq content by visiting our mcqtube website homepage.

Also, check out:

vamshi

My name is Vamshi Krishna and I am from Kamareddy, a district in Telangana. I am a graduate and by profession, I am an android app developer and also interested in blogging.

About the Author ...