WBCS Mains 2021 (Held On May 2022) Official Paper-IV

Who among the following annulled the Partition of Bengal?

Who is the creator of the Rock Garden in Chandigarh?

Sound travels fastest in

Which Indian State issued an order to mandate 'Uniform style of clothes' to educational institutions?

The number of moles of solute present in $1\text{kg}$ of a solvent is called

El-Nino effect refers to periodic extension of warm equatorial current along which coast?

On which day in the year 2022 did Lata Mangeshkar pass away?

Which of the following connects a bone to bone?

The material used for construction of control rods in a nuclear reactor is

Pandit Jasraj has established his reputation in which of the following fields?

Ranu Khan was a leader of

The War of the Roses was a

Noise pollution is measured using a sound meter and the unit is

Which of the following is not a broad-spectrum antibiotic?

Tetraethyl lead was coming out from

The concept of 'Biosphere Reserve' was evolved by

Carbolic acid is

Singer Lata Mangeshkar was awarded the Bharat Ratna in which year?

'Silent Spring' was written by

Dr. M. S. Swaminathan distinguished himself in which of the following fields?

Which film won the Best Picture at the BAFTA Awards (British Academy Film Awards) 2022?

The main duty of the pro tem Speaker of Lok Sabha is:

Cattle waste has Chemical Oxygen Demand (COD) several times higher than Biochemical Oxygen Demand (BOD) because of:

Biodiversity conservation within the natural habitat is called:

Which of the following ions is involved in blood clotting?

Which movie won the Oscar Award 2022 for Best Picture?

The 'Baal Swaraj Portal' is associated with which institution?

Who was the Chief of the Naval Staff of India as of April, 2022?

'DESH-Stack' is an Online Platform associated with which field?

What is the currency of Vietnam?

Which one among the following is a thermosetting plastic?

The 'Bharat Gaurav' scheme, which was seen in the news recently, was launched by which Union Ministry?

Examples of Volatile Organic Compounds (VOCs) causing cancer are:

Rakesh Sharma has been appointed as the MD & CEO of which bank?

Minamata disease in Japan was the result of water pollution by:

Who is the recipient of the $57^{\text{th}}$ Jnanpith Award 2022?

Which of the following is a greenhouse gas produced when fossil fuels burn?

Triple Antigen provides immunity to children against all of the following diseases, except:

In an area where DDT had been used extensively, the population of birds declined significantly because:

When the East India Company was formed, the Mughal emperor in India was:

Which from the following countries does not have veto power?

Telineelapuram International Bird Sanctuary is located in which State?

Chloroquinine is a drug to control

The third highest national award of India given for distinguished service in any field is

Ozone hole is largest over

Supersonic planes fly

Process in which chlorine is added to water to kill any remaining bacteria is called

The sun obtains its radiant energy from

Headquarters of UNO are situated at

In fireworks, the green flame is produced because of

In a hydrogen-oxygen fuel cell between the two electrodes occurs to

Grey Revolution is associated with

A common indicator organism of water pollution is

The latent heat of vaporisation of a substance can be calculated from

Which of the following belong to category of primary consumers?

Which of the following cities is not located on a river bank?

The pyramid of number is inverted in the case of

Which of the following books is based on Astrology?

'Chitragupta' was the pen name of which of the following writers?

In which state 'Chipko' movement was organized?

Activated sludge plants are used to reduce:

'INS Khukri Memorial' is located in which State/UT?

Washing soda is:

Electric conduction in a semiconductor occurs due to:

The 'Hindu Patriot' was edited by:

Which State/UT celebrated its first ever Beach Festival 'I Sea PONDY-2022'?

'C-DOT' functions under which Union Ministry of India?

The carbohydrate which cannot be digested by the human digestive system is:

Garampani Wildlife Sanctuary is located in:

Joint Forest Management was initiated in Medinipur District of West Bengal at the area ________

World Environment Day is celebrated on:

Hari Prasad Chowrasia is a renowned player of:

What is the name of the Parliament of Bhutan?

Which country is the world's largest producer of palm oil as of April, 2022?

Name the scientist who discovered the 'Quantum Statistics'.

Carbon, diamond and graphaite are together called:

Value of universal gas constant, $R$, depends upon:

The present atomic weight scale is based on:

Which of the following is a direct source of energy for muscle contraction?

Normal blood pressure of healthy person is:

Guru Nanak was born at

Air pollution causes

Nagarjuna Sagar Dam is situated in

Velocity of wind is measured by

A mixture which boils off like a single pure component is called

'Carnival of Hope' is a famous celebration held in which city?

Who is the Director of the film 'Kashmir Files'?

An 'Eutrophic' water body is a

Dialysis is the process of separation of

Which of the following has the highest calorific value?

Which of the following compounds is expected to be coloured?

Who is the first-ever woman bowler to take 250 wickets in ODIs?

The total number of Judges of the International Court of Justice is

The compound which is used in refrigeration is

What is the theme of 'Earth Day 2022'?

Narmada originates from its source situated in the state of

Deficiency of which element causes chlorosis?

Amino acids are building blocks of

Who is the Director of the film 'Seemabaddha'?

To which country did the first Secretary-General of the UN belong?

Bhopal tragedy occurred due to a highly toxic chemical:

Which of the following is the first National Park of India?

'ULPIN' which has been seen in the news, is a unique identification number related to which field?

An aqueous solution of iron(Ⅲ) chloride is:

National Institute of Virology is located in:

Who is the India's first Woman Rafale fighter Jet pilot?

Who established East India Association in London in 1866?

Lion-tailed Macaque was an issue in the movement of:

Which of the following radiation is most detrimental to human being?

Consider the following pairs:
$$\begin{array}{cc}\text{Tributary}& \text{Main River}\\ \text{(a) Chambal}& \text{Narmada}\\ \text{(b) Son}& \text{Yamuna}\\ \text{(c) Manas}& \text{Brahmaputra}\end{array}$$

Which of the pairs given above is/are correctly matched?

An electric motor:

Ramsar site of West Bengal is:

Who is the author of the book 'No Full Stops in India'?

Renewable energy is generated from:

Sulphur dioxide smog is known as:

The Himalayas are considered as type of mountains.

As of 2022, which is the longest tunnel of Indian Railways?

Where is the National Centre for Polar and Ocean Research located?

The nuclear reactor performs the similar function as that of _______ in the thermal power plant.

Who was the founder of Anusilan Samiti?

${}^{233}\text{U}$ is produced by

RAMP Programme, which was announced in the Union Budget, aims to improve productivity of which sector?

To which field, Project 75 "I" is related?

Which of the following is not a biofuel?

Soap removes grease by

Which of the following belongs to the class of natural polymers?

India's first commercial-scale biomass-based hydrogen plant is located in which State?

Which Company's nickname is 'Big Blue'?

Liquified Petroleum Gas (LPG) is predominantly

'The God of Small Things' was authored by

ZIKA virus is spread by

Who won a Gold Medal for India in Tokyo Olympic 2020?

Earth Summit was held in

In which year, the Indian Wildlife (Protection) Act was implemented?

Tattwabodhini Sabha was founded by

The maximum biological damage is produced by

The colour of a star indicates its

Which one is antibiotic?

DDT and Aluminium cans are examples of

India's first technicolour film is

'Itai Itai' disease is associated with poisoning of:

The unit of energy in MKS system is:

Who is the present Chief Minister of Punjab?

Rangaswamy Cup is associated with:

Who is the creator of the famous 'Guernica' painting?

Ali Akbar Khan was a maestro in which of the following instruments?

The Office of the UN General Assembly is in:

'Gyanodaya Godda' is a school education initiative of which State?

Profuse growth of aquatic vegetation that often changes the colour of water body is known as:

First Train started in India:

The surface tension of liquid:

Carbon dioxide is called greenhouse gas because it is:

Action of catalyst depends on:

Which is the largest Railway Zone in India?

Of the following elements, which one has the highest electronegativity?

Artificial radio isotope $\text{Co}\text{-}60$ finds application in:

A thin oil film on a water surface appears coloured because of:

A refrigerator is:

National Education Day is observed every year on the 11th November to commemorate which leader?

The hardness of water is estimated by:

How many districts are there in West Bengal?

Which of the following is not a reducing sugar?

Which of the following constitutes the largest ecosystem of the world?

Battle of Buxar was fought in

${\text{CuSO}}_4\cdot 5{\text{H}}_2\text{O}$ is called

Earth Day is celebrated on

The Environment Protection Act was passed in India in the year

Which Indian player won the Silver Medal in the German Open 2022 Badminton Tournament?

A lubricant cannot reduce

What is the Sex Ratio at Birth (SRB) of India in the year 2020-2021?

Satyajit Ray received the Magsaysay Award for journalism, literature and creative communication arts in

Sunlight arrives at a plant in units of light energy called

Which of the following is a liquid form of aerosol?

Gondwana Coalfields are found in

Among the following, the weakest forces are

What is Dry Ice?

Which of the following is an inert polymer used in coating, particularly in non-stick frying pans?

The motto of UNO is

The fertility of soil is reduced by

Who among the following was associated with the Bishnoi movement?

Which among the following is the oldest dynasty?

What is the capital of Andhra Pradesh?

Which of the following is called a secondary air pollutant?

When is National Vaccination Day observed in India?

The famous Gommateshwara Stone Statue, one of the tallest monolithic statues in the world, is situated at:

Identify the correctly matched pair:

Chlorofluorocarbon (CFC) is used in:

Pascal is a unit of:

By which amendment of the Indian Constitution was the voting age lowered from 21 years to 18 years?

Who was the founder of Vikramshila Vihar?

World Red Cross Day is celebrated every year on:

The famous Dilwara Temples are situated in:

The splitting of white light into its component colors is due to:

Chuar Uprising occurred in which district of Bengal?

Who surpassed Virat Kohli to become the fastest Indian cricketer to score $6000$ T20 runs?

Conservation of the ozone layer and its depletion was addressed in the following protocol:

Monazite is an ore of:

What is laughing gas?

Who commissioned the construction of Humayun's Tomb in Delhi in 1558?

Fill in the blank:
Salinization is ________.