Question of the Day

Question of the Day

Question of the Day – Here we provide you a Question related to General Knowledge with proper explanation. A new question will be updated on every day. Question of the day is an excellent way to test and also to improve your overall General Knowledge. We request you to share your feedback in the comment section.

Question of the Day


Question of the Day – June 23/2018

Who is called the “guardian of the public purse” of India??

  • Answer – Comptroller & Auditor General.
  • The Comptroller and Auditor General (CAG) of India is an authority, established by Article 148 of the Constitution of India, which audits all receipts and expenditure of the Government of India and the state governments, including those of bodies and authorities substantially financed by the government.
  • The CAG is mentioned in the Constitution of India under Article 148 – 151.
  • The CAG is ranked 9th and enjoys the same status as a judge of Supreme Court of India in Indian order of precedence. The current CAG of India is Rajiv Mehrishi, who assumed office on 25 September 2017. He is the 13th CAG of India.

Question of the Day – June 22/2018

What causes Acid Rain?

  • Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.
  • These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.
  • Air pollution like sulfur dioxide and nitrogen oxides can cause respiratory diseases, or can make these diseases worse.
  • Power plants release the majority of sulfur dioxide and much of the nitrogen oxides when they burn fossil fuels, such as coal, to produce electricity.


Question of the Day – June 21/2018

Where is India’s largest Buddhist monastery located?

  • Answer – Arunachal Pradesh.
  • JTawang Monastery, located in Tawang city of Tawang district in the Indian state of Arunachal Pradesh, is the largest monastery in India and second largest in the world after the Potala Palace in Lhasa, Tibet, China.
  • Tawang Monastery is known in Tibetan as Golden Namgey Lhatse.
  • The library of the monastery has valuable old scriptures, mainly Kangyur and Tengyur.

Question of the Day – June 20/2018

Who introduced Atomic Theory into Chemistry?

  • Answer – John Dalton.
  • John Dalton was an English chemist, physicist, and meteorologist. He is best known for introducing the atomic theory into chemistry, and for his research into colour blindness, sometimes referred to as Daltonism in his honour.
  • In chemistry and physics, atomic theory is a scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.
  • The word “atom” was coined by the ancient Greek philosophers Leucippus and his pupil Democritus.

Question of the Day – June 19/2018

Who is called as father of Modern Genetics?

  • Answer – Gregor Johann Mendel is the father of modern genetics.
  • He presented his research on experiments in plant hybridization.
  • William Bateson was an English biologist who was the first person to use the term genetics to describe the study of heredity.
  • William Bateson’s 1894 book Materials for the Study of Variation was one of the earliest formulations of the new approach to genetics.

Question of the Day – June 18/2018

What is Oil of Mirbane?

  • Nitrobenzene, C6H5NO2, a very poisonous, flammable, pale yellow, liquid aromatic compound with an odor like that of bitter almonds. It is sometimes called oil of mirbane or nitrobenzol.
  • As oil of mirbane, nitrobenzene was used as an inexpensive perfume for soaps and cosmetics but is now considered too toxic for such applications.
  • Nitrobenzene is prepared by nitration of benzene with a mixture of concentrated sulfuric acid, water, and nitric acid.
  • It is classified as an extremely hazardous substance in the United States.

Question of the Day – June 17/2018

What is the Official Law Book of the Guptas?

  • Answer – Yajnavalkyasmriti.
  • This is the “best composed” and systematic specimen of this genre, with large sections on judicial process theories, one which had greater influence in medieval India’s judiciary practice than Manusmriti.
  • The text is named after the revered Vedic sage Yajnavalkya who appears in many major Upanishads of Hinduism as well as other influential texts such as the Yoga Yajnavalkya.
  • The text is in classical Sanskrit, and is organized in three books.

Question of the Day – June 16/2018

Delhi was designated as National Capital Territory (NCT) under which Amendment?

  • Answer – 69th Amendment Act.
  • The 69th Constitutional Amendment Act, 1991 provided special status for Delhi by incorporating article 239 AA and 239 AB by providing for legislative assembly and and Council of Ministers.
  • The amendment does not provide Delhi with the recognition of a full fledged state. Delhi government can legislate on all items of the state list and concurrent list except public order, police, and land.
  • The centre has jurisdiction over this crucial subjects. Delhi and Puducherry are called as union territories with assemblies.

Question of the Day – June 15/2018

What is Kimberley Process Certification Scheme?

  • The Kimberley Process Certification Scheme (KPCS) is the process established in 2000 to prevent “conflict diamonds” from entering the mainstream rough diamond market by United Nations General Assembly.
  • The process was set up “to ensure that diamond purchases were not financing violence by rebel movements and their allies seeking to undermine legitimate governments.
  • In December 2000, the United Nations General Assembly adopted Resolution A/RES/55/56, supporting the creation of an international certification scheme for rough diamonds.

Question of the Day – June 14/2018

What is Kerogen oil? What are it’s uses?

  • Kerogen is a solid organic matter in sedimentary rocks. Consisting of an estimated 1016 tons of carbon, it is the most abundant source of organic compounds on earth, exceeding the total organic content of living matter by 10,000 fold.
  • It is insoluble in normal organic solvents and it does not have a specific chemical formula. Upon heating, kerogen converts in part to liquid and gaseous hydrocarbons. Petroleum and natural gas form from kerogen.
  • The name “kerogen” was introduced by the Scottish organic chemist Alexander Crum Brown in 1906. It means in Greek “wax birth”.
  • Fear of flying is a fear of being on an aeroplane, or other flying vehicle, such as a helicopter, while in flight. It is also referred to as flying phobia, flight phobia, aviophobia or aerophobia.

Question of the Day – June 13/2018

What is meant by Hodophobia?

  • Hodophobia is derived from the Greek word “hodos”, meaning path and “phobos” meaning fear.
  • Hodophobia is the fear of traveling or road travel. The symptoms of Hodophobia vary from person to person but usually mirror those of panic attacks.
  • Hodophobia can become a real problem if left untreated.
  • Fear of flying is a fear of being on an aeroplane, or other flying vehicle, such as a helicopter, while in flight. It is also referred to as flying phobia, flight phobia, aviophobia or aerophobia.

Question of the Day – June 12/2018

How Maida is prepared and why we should avoid it?

  • Maida is made from wheat. Wheat seed has three parts.
  • Bran – It so where most the fibre is.
  • Germ – It is the nutrient that will sprout in a wheat plant.
  • Endosperm – It is the largest part of the grain.
  • Maida is prepared from only the endosperm, it does not contain any nutrients and is only carbohydrate or sugar.
  • Maida is bleached by chemicals such as organic peroxide,
    calcium peroxide, azodicarbanamide, benzoic peroxide, chlorine dioxide..etc.
  • Maida flour (Safed Atta) is used extensively in making fast food, bakery products such as pastries and bread, varieties of sweets and in making traditional breads.
  • Eating maida raises bad cholesterol (LDL), makes you fat, clogs arteries, raises blood pressure, and also disrupts blood sugar level.

Question of the Day – June 11/2018

Who wrote Sidereus Nuncius?

  • Answer – Galileo Galilei.
  • Sidereus Nuncius (Starry Messenger) is a short astronomical pamphlet published in New Latin by Galileo Galilei on March 13, 1610.
  • It was the first published scientific work based on observations made through a telescope.
  • Sidereus Nuncius contains more than seventy drawings and diagrams of the Moon, certain constellations such as Orion, Pleiades, and Taurus, and the Medicean Stars of Jupiter.
  • A copy of the original edition is a valuable rare book and as of December 2010 has sold at auction for USD $662,500, including premium.

Question of the Day – June 10/2018

What’s the difference between Weather and Climate?

  • The difference between weather and climate is a measure of time. Weather is what conditions of the atmosphere are over a short period of time, and climate is how the atmosphere “behaves” over relatively long periods of time.

Weather is what you see outside on any particular day. So, for example, it may be 75° degrees and sunny or it could be 20° degrees with heavy snow. That’s the weather.

Climate is the average of that weather.


Question of the Day – June 09/2018

Who invented Digital Camera?

  • Answer – Steven J. Sasson.
  • Steven J. Sasson is an American electrical engineer and the inventor of the first self-contained (portable) digital camera.
  • The first digital camera weighed 3.6 kg and had only 100 × 100 resolution (0.01 megapixels). The image was recorded onto a cassette tape and this process took 23 seconds.
  • Sasson was inducted into the National Inventors Hall of Fame in 2011.

Question of the Day – June 08/2018

Who invented Computer Mouse?

  • Answer : Douglas Engelbart
  • Born in Portland, Ore., on Jan. 25, 1925, Engelbart was a graduate of Oregon State College who was drafted late into World War II.
  • He spent two years in the Navy as a radar technician, and later received a Ph.D. at the University of California, Berkeley.
  • He invented the computer mouse in 1964 — two decades before it would ship with the first Apple Macintosh.

Question of the Day – June 07/2018

What is the difference between a endemic, epidemic and pandemic disease?

  • Endemic: a disease that exists permanently in a particular region or population. Malaria is a constant worry in parts of Africa.
  • Epidemic: An outbreak of disease that attacks many peoples at about the same time and may spread through one or several communities.
  • Pandemic: When an epidemic spreads throughout the world.

Question of the Day – June 06 2018

What is meant by Antacid?

  • Antacid is a substance used to reduce or prevent acid collecting in the body, especially in the stomach.
  • Antacids may be divided into two classes, those that work by chemical neutralization of gastric acid, most notably sodium bicarbonate; and those that act by adsorption of the acid (non-absorbable antacids), such as calcium and magnesium salts.
  • Side effects are very rare when antacids are taken as directed. They are more likely when the medicine is taken in large doses or over a long time.

Question of the Day – June 05 2018

Which is the largest district (by area) in India?

  • Kutch district, Gujarat is the largest district in India with 45,652sq.km whereas Mahe, Pondicherry is the smallest district with 9 sq.km.
  • Kutch is famous for ecologically important Banni grasslands with their seasonal marshy wetlands which form the outer belt of the Rann of Kutch.
  • In terms of population, Thane district, Maharashtra is biggest with 1.11 crore population and Dibang valley district, Arunachal Pradesh is lowest with around 8000.

Question of the Day – June 04/2018

Why Mitochondria is known as “Power House of the Cell”?

  • Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. This energy is released in the form of ATP (adenosine triphosphate), the energy currency of the cell.
  • While the cells release 2 ATP, mitochondria releases 34 ATP which adds up to 36 ATP. Since a major portion of the ATP is released by mitochondria, they are called the powerhouse of the cell.
  • Richard Altmann, in 1890, established them as cell organelles and called them “bioblasts”. The term “mitochondria” was coined by Carl Benda in 1898.

Question of the Day – June 03/2018

How many National Parties does India have?

  • India has seven recognised national parties – Congress, BJP, BSP, CPI, CPI-M, NCP and All India Trinamool Congress.
  • A political party becomes eligible to be recognised as a national party if it has won 2 per cent of seats in Lok Sabha from at least three different states in the latest general election; or in a Lok Sabha or Assembly election it has polled 6 per cent of the total valid votes in at least four states, in addition to winning four Lok Sabha seats; or it has been recognised as a state party in at least four states.

Question of the Day – June 02/2018

“The World Beneath His Feet” is the biography of ____________.

  • Answer – Pullela Gopi Chand.
  • The Author of this book is Sanjay Sharma.
  • Pullela Gopichand (born 16 November 1973) is a former Indian badminton player. Presently, he is the Chief National Coach for the Indian Badminton team.
  • He received the Arjuna Award in 1999, the Dronacharya Award in 2009 and the Padma Bhushan – India’s third highest civilian award – in 2014

Question of the Day – June 01 2018

What is Chinese Restaurant Syndrome?

  • Chinese restaurant syndrome is an outdated term coined in the 1960s. It refers to a group of symptoms some people experience after eating food from a Chinese restaurant. Today, it’s known as MSG symptom complex.
  • Monosodium glutamate or MSG or Ajinomoto has been linked to many serious health conditions, including: hormonal imbalances, weight gain, brain damage, obesity, headaches and more
  • MSG is used in the food industry as a flavor enhancer.
  • Packaged and processed foods, fried rice and noodles served in restaurants, burgers, fried chicken..etc has huge amount of MSG in it.

Question of the Day – May 31/2018

“Muazzama” was the title of which Mughal Emperor?

  • Answer – Bahadur Shah Zafar
  • Mirza Abu Zafar Sirajuddin Muhammad Bahadur Shah Zafar (24 October 1775 – 7 November 1862) was the last Mughal emperor.
  • He was a nominal Emperor, as the Mughal Empire existed in name only and his authority was limited only to the city of Delhi (Shahjahanabad).

Question of the Day – May 30/2018

What is Operation Blue Star?

  • Operation Blue Star was a military operation which was ordered by Indira Gandhi, the then Prime Minister.
  • During the operation, the Indian military stormed into the premises of the Golden Temple in Amritsar to drive out the Sikh extremist religious leader, Jarnail Singh Bhindranwale and his armed followers.
  • Assassination of Indira Gandhi was the most notable event related to the Operation Blue Star. Indira Gandhi was assassinated on October 31, 1984, four months after the Operation Blue Star. She was shot dead by two of her Sikh bodyguards, Satwant Singh and Beant Singh
  • The operation was launched in response to a deterioration of law and order in Punjab.

Question of the Day – May 29/2018

What is the name of India’s first scientific base station situated in Antarctica?

  • Answer – Dakshin Gangotri.
  • It was established during the third Indian expedition to Antarctica in 1983–84.
  • This was the first time an Indian team spent a winter in Antarctica to carry out scientific works. The station was built in eight weeks by an 81-member team.
  • It was abandoned in 1988–1989 after it was submerged in ice.
  • It was succeeded by the Maitri, which was set up in a moderate climatic zone at a distance of 90 km and made operational in 1990.
  • Dakshin Gangotri was finally decommissioned on 25 February 199 and subsequently turned into a supply base.

Question of the Day – May 28/2018

Who is the Founding Father of Lingayat religion?

  • Lingayat religion was founded by Basava in the 12th century.
  • Lingayat, also called Virashaiva, worships Shiva as the only deity.
  • The Lingayats’ earlier overthrow of caste distinctions has been modified in modern times, but the sect continues to be strongly anti-Brahmanical and opposed to worship of any image other than the lingam.
  • Basava literary works include the Vachana Sahitya in Kannada Language.
  • He is also known as Bhaktibhandari (the treasurer of devotion), Basavanna (elder brother Basava) or Basaveswara (Lord Basava).

Question of the Day – May 27/2018

What is the Golden Crescent?

  • The clandestine land routes of Iran, Afghanistan and Pakistan collectively constitute the Golden Crescent, also called the silk route of drugs.
  • Afghanistan grows 90 percent of world’s opium and if 2014 estimates are anything to go by, Afghan farmers grew opium on a whopping 244,000 hectares.
  • India, and Punjab in particular, is one of the destinations where it is smuggled to.

Question of the Day – May 26/2018

Why Hemophilia B is also called as Christmas Disease?

  • Christmas disease, also called hemophilia B or factor IX hemophilia, is a rare genetic disorder in which the blood doesn’t clot properly.
  • The disease is named for Stephen Christmas, who was the first person diagnosed with the condition in 1952.
  • A person having Christmas disease will produce little or no factor IX. Without treatment, Christmas disease can be fatal.
  • Factor IX is a protein produced naturally in the body. It helps the blood form clots to stop bleeding.

Question of the Day – May 25/2018

Which acid is called as “King of Acids”? Why?

  • Answer – Sulphuric acid
  • Sulphuric acid is also known as King of Acids, because it is very strong, highly reactive and corrosive in nature.
  • Sulphuric acid is manufactured in larger quantities than any other acid.
  • Almost every manufactured item in the modern world comes into contact with H2SO4 at some stage in its history.

Question of the Day – May 24/2018

Name the only physicist who won Physics Nobel Prize twice?

  • Answer – John Bardeen.
  • He won the Nobel Prize in Physics in 1956 as well as 1972.
  • Bardeen shared the 1956 Prize with William Shockley and Walter Brattain for the invention of transistor.
  • He was awarded the 1972 Prize with Leon Cooper and Robert Schrieffer for the theory of superconductors, called the BCS-theory (after their initials).

Question of the Day – May 23/2018

Which organ in human body can grow back fully after transplantation of a small part from a donor?

  • Answer – Liver.
  • The liver has an amazing ability – it can constantly regenerate itself, and can take huge amounts of damage.
  • The liver is the only visceral organ that possesses the remarkable capacity to regenerate.
  • It is known that as little as 25% of the original liver mass can regenerate back to its full size.
  • After transplantation, the livers of both the donor and recipient grow back to full size approximately three months after the surgery.
  • Liver is responsible for producing bile. Bile is very important because it helps in digesting food.

Question of the Day – May 22/2018

Why Raja Ram Mohan Roy is called Father of Indian Renaissance?

  • Raja Ram Mohan Roy, the Founder of Brahmo Samaj (One God Society), was essentially a democrat and humanist
  • He was the first Indian to take the lead in the direction of social reform.
  • He condemned polytheism and idol worship and propagated the concept of one god of all religions and humanity.
  • He campaigned against caste system and supported English education for the propagation of Science in India.
  • He campaigned to persuade the Government to abolish Sati Pratha and Child Marriage. He advocated widow re-marriage.

Question of the Day – May 21/2018

Why Inert Gas is used in a light bulb?

  • An inert gas will not burn or react in any way. Argon is the kind of gas used in most light bulbs. When electricity flows into the bulb, it heats the tungsten wire filament.
  • Filling a bulb with an inert gas such as argon or nitrogen slows down the evaporation of the tungsten filament compared to operating it in a vacuum. This allows for greater temperatures and therefore greater efficacy with less reduction in filament life.
  • In 1913, Irving Langmuir found that filling a lamp with inert gas instead of a vacuum resulted in twice the luminous efficacy and reduction of bulb blackening.

Question of the Day – May 20/2018

Why mercury is used in thermometers?

  • Most metals are good conductors of heat and they are solids at room temperature. Mercury is the only one in liquid state at room temperature.
  • It’s used in thermometers because it has high coefficient of expansion.
  • The slightest change in temperature can be notable when it’s used in a thermometer.
  • It also has a high boiling point which makes it very suitable to measure higher temperatures.
    Also, it has a shiny appearance and doesn’t stick to the glass surface of glass.

Question of the Day – May 19/2018

Which fruit is called the King of Fruits in India?

  • Answer – Mango.
  • The earliest name given to the mango was Amra-Phal.
  • Mango is called as “King of Fruits” because of its high nutrients value and its usefulness in losing extra pounds.
  • Mangoes provides sources of iron, niacin, calcium, Vitamin C, Vitamin E and magnesium.
  • Mango festival is being celebrated in some parts of India, like: Ahmedabad, Lucknow, Allahabad, Delhi, and Goa.

Question of the Day – May 18/2018

Who served as the first President of the United States?

  • Answer – George Washington.
  • George Washington was an American statesman and soldier who served as the first President of the United States from 1789 to 1797.
  • He was one of the Founding Fathers of the United States.
  • As a driving force behind the nation’s establishment he came to be known as the “father of the country,” both during his lifetime and to this day.

Question of the Day – May 17/2018

What is Ishihara Test? How does it works?

  • The Ishihara test is a color perception test for red-green color deficiencies.
  • This test is is one of the widely used tests to identify colour blindness.
  • The test consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in color and size.
  • Till now there is no scientific method available at present that shows any signs of promise of a cure for color blindness.
  • It was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917.

Question of the Day – May 16/2018

What is Bombay Blood Group?

  • Bombay blood group or HH Blood Group is a rare blood type that was first discovered in a patient of Bombay in the year 1952.
  • It is an extremely rare ABO group. It has been reported in 1 of 10,000 individuals in India and 1 in a million people in Europe.
  • Blood group is determined by the presence of A and B antigen (protein) on blood cells.
    • If only A antigen is present it A Blood group
    • If only B is present its B blood group.
    • If both present, its AB group
    • If none present its O group
  • All these have an additional antigen called Antigen H. For Bombay group, A B and H antigen are missing.
  • They cannot form A antigens or B antigens on their red blood cells.
  • They can donate blood to anybody with ABO grouping but can receive blood only from Bombay blood group people.

Question of the Day – May 15/2018

Which part of the World is referred to as the Fertile Crescent?

  • The Fertile Crescent is a crescent-shaped region where agriculture and early human civilizations like the Sumer and Ancient Egypt flourished due to inundations from the surrounding Nile, Euphrates, and Tigris rivers.
  • Fertile Crescent is an arc-shaped important event which covers large parts of Middle East. The countries in which it falls is Israel, Lebanon, Jordan, Syria and Iraq.
  • It is also known as the “cradle of civilization”.

Question of the Day – May 14/2018

Which Indian city is known as the City of Seven Islands?

  • Answer – Mumbai.
  • The area at the core of Mumbai city today was built by uniting seven islands – the Isle of Bombay, Colaba, Old Woman’s Island, Mahim, Mazagaon, Parel and Worli.
  • These were then united with the islands of Salsette and Trombay towards the north, to form Greater Mumbai.
  • Mumbai got its name changed from Bombay back the year 1995.

Question of the Day – May 13/2018

Who is the first Female amputee to climb Mount Everest?

  • Arunima Sinha is the first Female amputee to climb Mount Everest.
  • She was a national level volleyball player who was pushed from a running train by some robbers in 2011 while she was resisting them. As a result, one of her legs had to be amputated below the knee.
  • Her aim was to climb all the continents’ highest peaks and hoist the national flag of India.
  • She has already done six peaks: Everest in Asia, Kilimanjaro in Africa, Elbrus in Europe, Kosciuszko in Australia, Aconcagua in Argentina and Carstensz Pyramid (Puncak Jaya) in Indonesia.

Question of the Day – May 12/2018

Who is famously referred as “Engineer King”? Why?

  • Answer – Shah Jahan.
  • Shah Jahan was a great builder and he built many magnificent buildings. That is why many scholars called him the ‘Engineer King’.
  • Shah Jahan’s reign is known as “Golden Age of Mughal Architecture“. He built a wide variety of cities, forts, gardens, mosques and palaces etc.
  • In addition to Taj Mahal, he also built the Red Fort, the Wazir Khan Mosque, the Moti Masjid, the Shalimar Gardens, sections of the Lahore Fort, the Mahabat Khan Mosque in Peshawar.
  • He also had the Peacock Throne, Takht e Taus, made to celebrate his rule.

Question of the Day – May 11/2018

Why India celebrates National Technology Day on May 11?

  • On 11th May, 1998 India achieved a major technological breakthrough by successfully carrying out nuclear tests at Pokhran. Late President of India, Dr APJ Abdul Kalam lead the Indian team of scientists to successfully test-fire the Shakti-1 nuclear missile at Rajasthan’s Pokhran test range.
  • Also first, indigenous aircraft “Hansa-3” was test flown at Bangalore on this day. Designed by National Aerospace Laboratory, India, the light, two-seater aircraft was aimed to serve pilot training, surveillance, aerial photography and other such purposes.
  • India also performed successful test firing of the Trishul missile on the same day. A short-range, quick-reaction, surface-to-air (SAM) missile, Trishul was a part of India’s Integrated Guided Missile Development Programme.
  • With all these technological advancements being completed on the same day, then Prime Minister Atal Bihari Vajpayee announced May 11 as the National technology Day.

Question of the Day – May 10/2018

Who built the Great Wall of China? When and Why?

  • The Great Wall of China was not built all at one time. In 7th and 8th century BC, battles happened frequently among the states of the Spring-Autumn and Warring States dynasty and in order to defend themselves they began to built walls and towers on the borders.
  • Most of the current Great Wall we see today was built in the Ming Dynasty (1368-1644) and is approximately 6000km long.
  • It was the state Chu who first built the wall. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire.
  • To defend off the invasions from northern invaders, Emperor Qin Shi Huang had all the walls joined up. Thus, the Great Wall came into being.

Question of the Day – May 09/2018

What’s the Difference Between Great Britain and the United Kingdom?

  • Great Britain is the official collective name of of England, Scotland and Wales and their associated islands.
  • The United Kingdom of Great Britain and Northern Ireland (to give its full name) refers to the political union between England, Wales, Scotland and Northern Ireland.
  • Great Britain, therefore, is a geographic term referring to the island also known simply as Britain.

Question of the Day – May 08/2018

Why is a marathon 42.195 kilometres? What is it’s History?

  • In a nod to Greek history, the first marathon commemorated the run of the soldier Pheidippides from a battlefield near the town of Marathon, Greece, to Athens in 490 B.C.
  • According to legend, Pheidippides ran the approximately 25 miles to announce the defeat of the Persians to some anxious Athenians.
  • It is said that he ran the entire distance without stopping and burst into the assembly, exclaiming “we have won!”, before collapsing and dying.
  • The idea of a marathon race came from Michel Bréal (French philologist), who wanted the event to feature in the first modern Olympic Games in 1896 in Athens. This idea was heavily supported by Pierre de Coubertin, the founder of the modern Olympics, as well as by the Greeks
  • The marathon has an official distance of 42.195 kilometres or 26.219 miles.

Question of the Day – May 07/2018

Name the bird which is officially announced as the state bird of four Indian States – Andhra Pradesh, Karnataka, Telangana and Odisha?

  • Answer – Blue Jay (Indian Roller)
  • They are found widely across tropical Asia from Iraq eastward across the Indian Subcontinent to Indochina.
  • The largest populations of the species are within India.
  • Alternate names for the Indian roller include the Indian blue roller, northern roller and southern blue roller.
  • It is said to be sacred to Vishnu, and used to be caught and released during festivals such as Dussera or the last day of Durga Puja.

Question of the Day – May 06/2018

What is the smallest district in India? Where is it?

  • Answer – Mahe.
  • Mahe is the smallest district in India.
  • It has an area of 9 sq. km.
  • Mahe is geographically located in the state of Kerala, where as administratively it comes under the control of Union Territory of Pondicherry.
  • Mahe has the official name of Mayyazhi in the local Malayalam language.

Question of the Day – May 05/2018

What is the smallest organ in the Human Body? What is it’s function?

  • Answer – Pineal Gland.
  • The pineal gland is considered to be the smallest organ in the human body. Located deep inside the brain, the gland exists to produce a hormone vital in the regulation of the body clock.
  • Melatonin in the only hormone that is secreted by the pineal gland.
  • The Pineal Gland is also known as third eye.
  • This gland controls the various bio-rhythms of the body. It works in harmony with the hypothalamus gland which directs the body’s thirst, hunger, sexual desire and the biological clock that determines our aging process. When it “awakens”, one feels a pressure at the base of the brain.

Question of the Day – May 04/2018

Which hormone is responsible for production of milk in Mothers?

  • Hormones play a pivotal role in human milk production.
  • The main hormone responsible for milk production, prolactin, is essential for breast-feeding, as it stimulates milk production.
  • Production of Prolactin is stimulated by the baby sucking at the breast, and its primary function is to make more milk.
  • During pregnancy, prolactin levels increase approximately ten-fold and stimulate milk formation.
  • Prolactin also inhibits ovulation in the nursing mother, which is why women may not have a menstrual period while breast-feeding.

Question of the Day – May 03/2018

What is the oldest language in the world that is still in use?

  • Answer – Tamil.
  • The earliest example of the language can be traced back to 300 BC, but its origin is believed to be during 2500 BC or so.
  • The literature collection in Tamil, which is a classical language, is very vast. It is still widely spoken and an official language in Singapore, Sri Lanka.
  • Tamil is also the official language of the state of Tamil Nadu.
  • Tamil is the only classical language that has survived all the way through to the modern world.
  • In 2004, Tamil became the first legally recognised Classical language of India.

Also ReadClassical Languages of India


Question of the Day – May 02/2018

Which planet smells like rotten eggs? Why?

  • Answer – Uranus.
  • Scientists have found that Uranus smells like rotten eggs.
  • The planet’s cloud tops are partly made up of hydrogen sulphide, the same chemical responsible for the disgusting odour of rotten eggs.
  • The scientists have found this using sensitive spectroscopic observations taken from the Gemini North telescope.
  • British astronomer William Herschel discovered Uranus accidentally on March 13, 1781.
  • Uranus has the coldest atmosphere of any of the planets in the solar system, even though it is not the most distant from the sun.

Also Check OutGK Quiz on Solar System


Question of the Day – May 01/2018

Name the first district in India to get high-speed rural broadband connectivity all its village panchayats?

  • Kerala’s hilly district Idukki is India’s first district with high-speed rural broadband network.
  • In Kerala, Idukki is the second largest district by area but has the lowest population density. Idukki has a vast forest reserve area; more than a half of the district is covered by forests.
  • Idukki is also known as the spice garden of Kerala.
  • The high-speed internet connectivity is rolled out across the agrarian district as part of the national optical fibre network (NOFN), the rural connectivity project.
  • NOFN is the largest rural connectivity project of its kind in the world. It seeks to link each of the 2.5 lakh village panchayats in the country through broadband optical fibre network.

Question of the Day – April 30/2018

Which chemical is used to ripen mangoes artificially? How does it ripen the fruits and What are it’s side effects?

  • Answer – Calcium Carbide.
  • The chemical widely used for artificially ripening fruits is calcium carbide (CaC2) which contains arsenic and phosphorus.
  • When calcium carbide comes in contact with moisture, it produces acetylene gas, which is quite similar in its effects to the natural ripening agent, ethylene. Acetylene acts like ethylene and accelerates the ripening process.
  • The use of this chemical for this purpose is illegal in most countries.
  • CaC2 is a known carcinogen – an agent having the ability to alter human cells into cancerous cells.

Question of the Day – April 29/2018

Who is India’s longest serving Chief Minister?

  • Answer – Pawan Chamling, Chief Minister of Sikkim.
  • Sikkim Chief Minister Pawan Chamling became the longest-serving chief minister of any state as he completed 25 uninterrupted years in office.
  • He broke the record of former West Bengal Chief Minister Jyoti Basu, who held office for 23 years.
  • The founding president of the ruling Sikkim Democratic Front (SDF) became chief minister in December 1994.
  • With the slogan “New Sikkim, Happy Sikkim”, he launched policies and programmes to transform the state.

Question of the Day – April 28/2018

What are CFCs and how do they destroy the ozone layer?

  • Chloroflourocarbons or CFCs are man made chemicals that are very stable in the atmosphere.
  • CFCs are compounds made up of combinations of the elements chlorine, fluorine and carbon. Aerosols, refrigerants and foams contain CFCs.
  • Because of their relative stability, CFCs rise into the stratosphere where they are eventually broken down by ultraviolet (UV) rays from the Sun.
  • This causes them to release free chlorine. The chlorine reacts with oxygen which leads to the chemical process of destroying ozone molecules.
  • The stratospheric ozone layer shields life on Earth from the Sun’s harmful ultraviolet radiation.
  • The Montreal Protocol is an international agreement to address the causes of ozone depletion.

Question of the Day – April 27/2018

What is the world’s highest national capital?

  • Answer is La Paz, Bolivia.
  • La Paz lies between 10,663 and 13,451 feet (3,250 and 4,100 meters) above sea level. It is the world’s highest national capital.
  • Bolivia is named after Simón Bolívar, a leader in the Spanish American wars of independence. Sucre is the constitutional capital of Bolivia.
  • Bolivia is one of the top three safest countries in Latin America.

Question of the Day – April 26/2018

When and where did the World’s first newspaper published?

  • The world’s first Newspaper was the German-language newspaper ‘The Relation‘.
  • It’s full name is Relation aller Furnemmen and gedenckwurdigen historian – Account of all distinguished and commemorable news.
  • The Relation was published by Johann Carolus, in Strasbourg, in 1605.
  • Johann Carolus was born in 1575 in Muhlbach-sur-Munster in the Holy Roman Empire of the German Nation.
  • Strasbourg had the status of an imperial free city in the holy Roman empire of the German nation.

Question of the Day – April 25/2018

What is India’s largest commercial port?

  • Answer – Mundra Port.
  • Mundra Port is the largest private port of India located on the north shores of the Gulf of Kutch near Mundra, Kutch district, Gujarat.
  • In 2013-2014, Mundra Port has handled 100 million tonnes of cargo in a year becoming the first Indian port to do so.
  • India has a coastline spanning 7516.6 kilometres, forming one of the biggest peninsulas in the world.
  • India has a total of 12 major ports and 200 notified minor and intermediate ports.
  • Government of India (GoI) plans to modernize these ports and has approved a project called Sagarmala.

Also Read About Major Seaports in India


Question of the Day – April 24/2018

We know that white flag is for Peace. What about Yellow Flag?

  • If a Yellow flag is flown on ships or vehicles, it means it is carrying patients suffering from infectious diseases.
  • Yellow flag is also used in some cities to mark a recent death in a neighborhood, regardless of cause.
  • The study of flags is called Vexillology.
  • The word “flag” is derived from the old Saxon word “fflaken” which means to fly or to float in the air.

Question of the Day – April 23/2018

What is the reason for hiccups?

  • Hiccups happen when a person’s intake of air becomes momentarily blocked. It can happen for no apparent reason.
  • Hiccups are involuntary contractions of the diaphragm — the muscle that separates your chest from your abdomen and plays an important role in breathing.
  • Each contraction is followed by a sudden closure of your vocal cords, which produces the characteristic “hic” sound.
  • Hiccups are medically known as synchronous diaphragmatic flutter or singultus (SDF).
  • Hiccups that last over 2 months are known as intractable hiccups.

Question of the Day – April 22/2018

How Does Cyanide Kill?

  • The term “cyanide” refers to any chemical containing a carbon-nitrogen (CN) bond.
  • Many substances contain cyanide, but not all of them are deadly poisons.
  • Sodium cyanide (NaCN), potassium cyanide (KCN), hydrogen cyanide (HCN), and cyanogen chloride (CNCl) are lethal, but thousands of compounds called nitriles contain the cyanide group yet aren’t as toxic.
  • Cyanide is a deadly poison only when it comes in touch with blood.
  • Hemoglobin carries oxygen in and out of the blood.
  • When (potassium, generally) cyanide comes in touch with blood (oxyhemoglobin), it forms a stable compound CYANO-HEMOGLOBIN.
  • Cyano-Hemoglobin is quite stable and this makes entire blood stream useless in carrying oxygen, to and fro. Hence it proves fatal and kills humans instantly.

Question of the Day – April 21/2018

What are the top two deepest trenches in Indian Ocean?

  • The average depth of the Indian Ocean is 12,762 ft. Its deepest point is Diamantina Deep in Diamantina Trench, at 26,401 ft deep.
  • Sunda Trench has a depth of 23,812–25,344 ft.
  • The Diamantina Deep is located in the Diamantina Trench southwest of Perth, Western Australia.
  • The Sunda Trench, earlier known as and sometimes still indicated as the Java Trench, is an oceanic trench located in the Indian Ocean near Sumatra.

Question of the Day – April 20/2018

What is the name of the new organ in human body that was discovered by scientists recently?

  • Answer is Interstitium.
  • It is a layer of tissue around our organs, has always been in the human body. Some scientists say it should be considered its own organ.
  • Interstitium is a network of tissue that surrounds nearly every organ system in the body.
  • Interstitium had previously gone unnoticed despite being one of the largest organs in the human body.
  • Interstitium is yet to be officially announced as organ, but the first report suggests that it should be defined as such.

Question of the Day – April 19/2018

Where do we have the floating post office?

  • India’s first floating Post office was inaugurated on Dal Lake in Srinagar.
  • Srinagar in Jammu and Kashmir is one of the most popular and beautiful destinations in India. It is famous among tourists and has several attractions.
  • The floating post office was inaugurated by former Chief Minister Omar Abdullah in August 2011.
  • Standing on a huge house boat, the post office also includes a philately museum and a shop that sells postage stamps among other things.

Question of the Day – April 18/2018

Which part of the Human Eye is donated? Is it the whole eye or just a particular part of the eye?

  • We can not transplant the whole eye, because your eye is connected to your brain by the optic nerve.
  • Cornea is the part of the eye, that can be donated.
  • The cornea is the clear, transparent layer in front of the “black portion” of the eye. It is also the main focusing surface, which converges light rays as they enter the eye to focus on the retina. It is thus the most important part of the optical apparatus of the Eye. Loss of transparency directly results in loss of vision.
  • A Corneal transplant is an operation that replaces the opaque cornea with a clear cornea obtained from a human donor.
  • Death due to unknown causes. People who die due to infections such as rabies, syphilis, infectious hepatitis, septicemia, and AIDS, cannot donate.

Question of the Day – April 17/2018

Why do we shrink as we age?

  • As humans get older, they get shorter.
  • The cartilage pads between the joints in your legs and spine gradually wear away as you get older, and osteoporosis can cause the vertebrae themselves to shrink slightly.
  • You also lose muscle as you age and all of these factors mean your skeleton slumps down a little more.
  • Between the age of 30 and 70, this adds up to about 3cm height loss for men and 5cm for women, increasing to 5cm and 8cm by age 80.

Question of the Day – April 16/2018

Why does Mosquito bite cause itching and swelling in your skin?

  • When a mosquito bite breaks the skin, your body recognizes the mosquito’s saliva as a foreign substance. This causes an immune system response, which aims to flush out the intruder.
  • The swelling around the bite is caused by histamine, which is produced by the immune system.
  • Histamine increases blood flow and white blood cell count around the affected area, which causes inflammation or swelling.
  • Mosquito bites itch because histamine also sends a signal to the nerves around the bite.
  • Mosquitoes bite humans to drink their blood. The nutrients contained in a human’s blood help female mosquitoes to make the eggs they need to reproduce. Only female mosquitoes bite people.

Question of the Day – April 15/2018

Who is referred as the Father of Mobile Phone?

  • Answer – Martin Cooper. He made the world’s first handheld cellular mobile phone call.
  • He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field.
  • While at Motorola in the 1970s, Cooper invented the first handheld cellular mobile phone (distinct from the car phone) in 1973 and led the team that developed it and brought it to market in 1983.

Question of the Day – April 14/2018

Who has become the first-ever player to represent seven teams in the IPL?

  • Answer – Aaron Finch.
  • Australian batsman Aaron Finch has become the first-ever player to represent seven teams in the IPL.In 2018 IPL Season, Finch is representing Kings XI Punjab.
  • Before Kings XI Punjab, Finch had played for Rajasthan Royals (2010), Delhi Daredevils (2011-2012), Pune Warriors India (2013), SunRisers Hyderabad (2014), Mumbai Indians (2015) and Gujarat Lions (2016-2017).

Question of the Day – April 13/2018

Hindi is not our National Language and Hockey is not our National Game. Why?

The Constitution of India does not assign National Language status on Hindi or any other Indian languages. Hindi and English have been declared the official languages Under Article 343, meaning, Parliamentary business, according to the Constitution, may be conducted in either Hindi or English.

The states, however, have the liberty and powers to specify their own official language or languages through legislation. There are 22 officially recognised languages in India. Nearly 60 percent of Indian citizens do not speak Hindi. Hindi is not the mother tongue of the majority of Indians.


Most of the Indians believe that hockey is India’s national sport. But India has no national game. From 1928 to 1956, the Indian hockey team won six straight Olympic gold medals, while winning 24 consecutive matches. We assume hockey as our national game. The main reason is the great success story of Indian hockey. However a recent RTI clarified the issue that Hockey is not the national sport of India.


Question of the Day – April 12/2018

What is the name of the groove between one’s nose and top lip?

Philtrum. The philtrum is a vertical groove in the middle area of the upper lip. The human philtrum, bordered by ridges, also is known as the infranasal depression, but has no apparent function. The way the philtrum appears is determined genetically. In some syndromes this grove is shortened.

Question of the Day – April 11/2018

What is the largest and smallest landlocked country in the World?

  • A country is considered landlocked when it is surrounded on all sides by one or more other countries and therefore has no direct access to a coastline providing access to the oceans.
  • The largest landlocked country is Kazakhstan in Central Asia with a land area of over 2.7 million kilometers. The smallest landlocked country is the city-state of Vatican City with an area of just 44 hectares (109 acres).

Question of the Day – April 10/2018

There is a natural water tank in India named Bhimkund with endless depth. According to the legend, Bhima it the ground with his gada, water surged out and the pool came into being. Where is Bhimkund?

  • Madhya Pradesh.
  • Bhimkund is a Natural water tank and a holy place in Madhya Pradesh and is located in Chhatarpur District.
  • The water of this kund is magnificently blue.
  • Great Hindu epic Mahabharata links Bhimkund with Pandavas.

Also Read – Top Ten Mysterious Places in India

Question of the Day – April 09/2018

Name the one and only cricketer who played all IPL seasons from the same team?

  • Virat Kohli. Royal Challengers Bangalore’s current captain Virat Kohli is the only player to be a part of the same franchise since the inaugural IPL. i.e. 2008.
  • He captained India Under-19s to victory at the 2008 Under-19 World Cup in Malaysia.
  • Kohli has been the recipient of many awards such as the Wisden Leading Cricketer in the World in 2016, ICC World Cricketer of the Year in 2017, and ICC ODI Player of the Year in 2012 and 2017.
  • In 2013, he was given the Arjuna Award in recognition of his achievements in international cricket.
  • The Padma Shri was conferred upon him in 2017 under the sports category.

Question of the Day – April 08/2018

Why Doctors use snake curling around a rod/staff as their symbol?

  • The snake and staff are known as the “Rod of Asclepius”. Asclepius is the Greek god of Medicine and Healing, hence the symbolism.
  • In Greek mythology snakes were considered sacred. There are many theories for the why the snake is part of the symbol. The staff too has many interpretations. A well known one is very directly related to medicine.
  • The logo of American Medical Association (AMA), World Health Organization, and many medical societiee have the snake curling around the staff design.

Question of the Day – April 07/2018

What is Pituitary Gland and why it is called as a Master Gland?

  • Pituitary Gland is an endocrine gland about the size of a pea and weighing 0.5 grams in humans. It secretes tropic hormones which stimulates other endocrine glands to secret their hormones.
  • Hormones secreted from the pituitary gland help control: growth, blood pressure, management of energy, all functions of the sex organs, thyroid glands and metabolism as well as some aspects of pregnancy, childbirth, nursing, water/salt concentration at the kidneys, temperature regulation and pain relief.
  • As other glands of harmonal system are in control of pitutory, pitutory is master gland of that system.

Question of the Day – April 06/2018

We all know that World War II ended on 1945. But Japan and Russia still haven’t signed a peace treaty to end World War II. Do you know the reason?

  • The Kuril Islands dispute, also known as the Northern Territories dispute, is a disagreement between Japan and Russia over sovereignty of the South Kuril Islands.
  • These islands, like other islands in the Kuril chain that are not in dispute, were annexed by the Soviet Union in aftermath of the Kuril Islands landing operation at the end of World War II.
  • The disputed islands are under Russian administration as the South Kuril District of the Sakhalin Oblast.
  • They are claimed by Japan, which refers to them as its Northern Territories.
  • The San Francisco Peace Treaty with Japan from 1951 states that Japan must give up all claims to the Kuril Islands, but it also does not recognize the Soviet Union’s sovereignty over the Kuril Islands.
  • Russia maintains that the Soviet Union’s sovereignty over the islands was recognized following agreements at the end of the Second World War. Japan disputes this claim.

Question of the Day – April 05/2018

Where is Ilha da Queimada Grande also known as Snake Island?

  • Ilha da Queimada Grande is an island off the coast of Brazil in the Atlantic Ocean.
  • It is the only home of the critically endangered, venomous Bothrops insularis (golden lancehead pit viper), which has a diet of birds.
  • Queimada Grande is closed to the public in order to protect this snake population.
  • Scientists estimate that up to 4,000 snakes live on the 110-acre island, with some reports indicating that you can find one snake for every six square yards.

Question of the Day – April 04/2018

Why India celebrates Engineers Day on September 15?

  • The Engineering Community across India celebrates Engineers Day on 15 September every year.
  • September 15 is the birth anniversary of Mokshagundam Visvesvaraya, who is considered one of the finest engineers of the country.
  • He is India’s most prolific civil engineer, dam builder, economist, statesman, and can be counted among the last century’s foremost nation-builders.
  • M. Visvesvaraya was also the Diwan of Mysore from 1912 to 1918. He was the chief engineer responsible for the construction of the Krishna Raja Sagara Dam in Mysore as well as as the chief designer of the flood protection system for the city of Hyderabad.
  • Due to his outstanding contribution to the society, Government of India conferred ‘Bharat Ratna’ on this legend in the year 1955.

Question of the Day – April 03/2018

Why do we get Goosebumps?

  • Goosebumps occur on our skin in a reaction to cold, fear, shock and sometime due to sense of nostalgia or something awe-inspiring.
  • The bumps are created when muscles at the base of the hair contract and cause the hair to stand straight up.
  • It is a sympathetic nervous symptom reaction which is linked to the flight-or-flight response.
  • The piloerection, or goose bump, has lost it original function in humans which was to create insulation using body hair.
  • In animals goosebumps appear when the flight-or-fight response is activated; the hair rises and the animal can appear bigger to predators.

Question of the Day – April 2/2018

What is the colour of Mirror?

  • You might think the colour of mirror is silver or white or no colour at all. But that’s wrong. The actual colour of the mirror is Green.
  • Human can differentiate 10 million different colors but it’s hard to image the mirror is not white or silver. It is actually the color of whatever is reflected onto it.
  • Every real mirror absorbs a very tiny amount of light. In particular, it best reflects light within the 510 nanometer range, which is the spectrum of visible green light. So technically, your mirror is titchy green.

Question of the Day – April 1/2018

Why do we celebrate April Fools’ Day?

  • Certain ancient cultures such as the Romans celebrated their New Year’s Day around the 1st of April. In 1582 however, Pope Gregory XIII ordered a new calendar (Gregorian Calendar) to replace the old one. According to this calendar, the New Year’s Day had to be celebrated on January 1.
  • Although many agreed to this calendar and shifted the new year to the 1st of January, many others refused to accept the new date and celebrated the new year on April 1.
  • The others started making fun of these people and tricked them into doing fool’s errands and calling them fools.
  • Other people began to make fun of these traditionalists, sending them on ‘fool’s errands’ or trying to trick them into believing something false. Eventually, the practice spread throughout Europe.

Question of the Day – March 31/2018

Which parts of the human body keep growing throughout life?

  • The ear and nose never stop growing. That is the main reason that older people’s nose and ear look bigger.
  • Scientists have confirmed that the parts of the body that consist of cartilage continue to grow until the day of death. Also the earlobes elongate due to gravity.
  • Cartilage is an important structural component of the body. It is a firm tissue but is softer and much more flexible than bone.

Question of the Day – March 30/2018

What is the secret behind the number 786 and why does the Muslim religion respect the number a lot?

  • Every letter in the Arabic alphabet has a numerical value. In other words, in Arabic every letter stands for a number. “786” is the total value of the letters of “Bismillah al-Rahman al-Rahim“.
  • The Abjad numerals are a decimal number system where the 28 letters of the Arabic alphabet are assigned numerical values. In the Indian subcontinent the Abjad numerals became quite popular.
  • Some people, mostly in India and Pakistan, use 786 as a substitute for Bismillah.
  • In 2014, a black goat named Khusi had a natural pattern in white in its body that resembles the number 786. Because of the pattern, Khusi got Rs 21 lakh offer on Bakr-Eid.

Question of the Day – March 29/2018

What is the composition of the indelible ink used in the elections in India?

  • The Chemical used in election is Silver Nitrate. When put on your fingers, silver nitrate reacts with the salt present on skin to form Silver Chloride.
  • The main reason is silver chloride is not soluble in hot or cold water, nail polish remover, alcohol..etc. It cannot be washed off with soap. The ink will disappear when old skin cells die and are replaced with new skin cells.
  • Mysore Paints and Varnish Limited is a company located in the city of Mysore. It is the only company in India authorised to produce indelible ink. The manufacturing process is a closely guarded secret and is based on a chemical formula devised by the National Physical Laboratory of India.

Complete List of Election Commissioners of India


Question of the Day – March 28/2018

Name the first sportsperson to win the Bharat Ratna Award?

  • In 2014, cricketer Sachin Tendulkar, then aged 40, became the youngest recipient and also the first sportsperson, to win the Bharat Ratna Award. Bharat Ratna is the country’s highest civilian award.
  • Sachin Tendulkar is the only player to have scored one hundred international centuries, the first batsman to score a double century in a One Day International, the holder of the record for the most number of runs in both ODI and Test cricket.
  • He is the only player to complete more than 30,000 runs in international cricket.

Complete List of Bharat Ratna Award Winners


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