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General Knowledge for Competitive Exams

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Why Ice floats on Water

What is the reason behind floating ice on water

Sep 15, 2017

Have you ever thought! How any solid object floats on any fluid? Solids are hard and rigid like stones. They immersed in water, but the ice, which is a solid substance, does not sink in water, but floats. Why? Let us find out why ice being a solid substance floats on water.

Why Saturn have rings and what are they made of

Do you know why Saturn have rings and how they are formed?

Sep 15, 2017

Saturn have rings and is the most striking feature of the Solar System. How many rings Saturn have, of what these rings are made up, Why Saturn have rings, how these rings are formed etc. are answered in this article

Is Nitrogen drink dangerous for health

Sep 12, 2017

Liquid Nitrogen is a fluid that is used in foods such as drinks, ice creams, etc. Nitrogen drinks look great and appeal everyone, but how to use it, try to figure out how much damage it may cause, Is it safe to drink or not etc are discussed in this article.

What is the difference between Li-Fi and Wi-Fi Technology

Jul 27, 2017

Electronic devices and network technology plays an important role in our life. Wi-Fi technology is wireless local area network technology which allow electronic device to access internet. Whereas Li-Fi technology is a light based communication technology that delivers a high-speed, bidirectional network and mobile communication. This article deals how these technology works and what is the main difference between Li-Fi and Wi-Fi technology.

List of Inventions and Discoveries by Israel

Jul 11, 2017

Israel has become the fastest growing economy and technological powerhouse after 50 years of its establishment, because country's has a tremendous combination of the educational and scientific infrastructure with the country's most pressing problems unexpectedly made for a creative synthesis which set development into motion. Here, we are giving list of Inventions and Discoveries by Israel in areas like Mathematics, Robotics, Chemistry, Physics, arms and ammunition etc for Defence for general awareness.

Why do we touch the feet of our elders? Scientific Reasons

Jul 1, 2017

Touching the feet is a very common gesture that we used to give our elders. Since ancient times we are practicing this culture. This article deals with the scientific reasons behind touching the feet of an elder, right posture of touching the feet of an elder, it also serves the purpose of an exercise etc. Why touching the feet is beneficial for us is also discussed in this.

What is IMEI Number and how does it work?

Jun 29, 2017

The International Mobile Equipment Identity or IMEI is a device identification number mentioned below the battery of every mobile phone device for the identification of the particular mobile device. This number is different in every mobile device. IMEI number tells that where the mobile device is made and what is the model number of the device.

ISRO’s GSAT-17, its objective and features

Jun 28, 2017

GSAT-17 is a communication satellite by Ariane-5 launch vehicle from the Guiana Space Centre in Kourou, French Guiana. It will provide replacement capacity supporting the existing television, telecommunication, Digital Satellite news Gathering (DSNG) and VSAT services in the country. This article deals with the ISRO’s GSAT-17 satellite, its features and objective.

What is Green Muffler and how it is related with pollution

Jun 7, 2017

Green Muffler is a technique of reducing noise pollution by planting 4-6 rows around the populated areas or noisy places. Let us find out what is Green Muffler Scheme, why trees are known as buffers, how trees help in reducing noise pollution.

What is TRAI and how it works?

Jun 6, 2017

TRAI is Telecom Regulatory Authority of India. Its main purpose is to regulate telecommunication services, adjudicate disputes, dispose appeals and protect the interest of the service providers as well as consumers. It establishes standards for Quality of Services (QoS) and supervise how service providers share revenue. This article deals with the role of TRAI, its functions and how it works.

What are the steps taken for the Conservation of Wildlife?

May 29, 2017

Conservation of Wildlife is necessary to recognize the importance of nature and other wildlife species. It is important to protect the endangered plants and animal species along with their natural habitat. The main concern is to preserve the habitats so that the future generations of wildlife and even humans can enjoy it. This article deals with the steps required for the conservation of Wildlife.

Thalassemia Disease: Causes, Symptoms and Preventions

May 8, 2017

Thalassemia is a genetic blood disorder. People suffering from this disease not able to make enough haemoglobin and also suffers from anaemia. On every 8th May World Thalassemia Day is celebrated to increase the awareness about the disease throughout the world. This article deals with the symptoms, prevention measures, why Thalassemia Day is celebrated etc.

10 interesting facts about Human Brain

Apr 26, 2017

Brain is located inside the skull of the head and is protected by a bony structure in the skull called cranium. It is the command center of the nervous system. It receives input from the sensory organs and sends output to the muscles. This article deals with some interesting facts about the brain, which may be you don’t have studied till now.

Do you know which Human Body Organs can be donated

Apr 18, 2017

The organ system functions according to the particular organ like digestive system; it processes the food, etc. Organism’s survival depends upon the integrated activity of the organs and organ system with that of endocrine and nervous system. This article deals about the list of human body organs and tissue that can be donated and the criteria of their donation.

5 Facts that you don’t know about the Infinity Symbol

Apr 12, 2017

Various theories or ideas are propounded for the existence of the symbol Infinity but that time it considered as a philosophical concept. This article deals with some facts related to the Infinity symbol like who had discovered this concept, when it was discovered, first time when it was used, how it was used etc.

Why bursting of Balloon makes sound when pricked with a needle?

Apr 11, 2017

Mostly with birthdays and various parties, we see decoration made by colourful balloons which looks amazing and recall the memories of childhood. Have you ever thought why this happens? Why balloon produces pop sound instantaneously rather than leaking air slowly? Let us find out the reason behind it.

List of Important Discoveries in Physics

Mar 3, 2017

Discovery is finding something meaningful that was not of knowledge before. This article deals with various discoveries which is like a new increment to knowledge help in the advancement of mankind like production of crop, medical applications etc.

What is an Interceptor missile and how it is useful

Mar 2, 2017

The interceptor missile is an anti-ballistic missile (ABM) which is a surface-to-air missile designed to counter ballistic missiles like intermediate range and intercontinental ballistic missiles launched from any country. It is used to deliver nuclear, chemical, biological or conventional warheads in a ballistic flight trajectory. How interceptor missile works and how it is useful is discussed in this article.

National Science Day a discovery of Raman Effect

Feb 28, 2017

National Science Day is celebrated all over India on 28 February to mark the discovery of the phenomenon of Raman Effect by CV Raman in 1928 and for his remarkable discovery in 1930 he got Nobel Prize which was the first Nobel Prize for India in the field of Science. This article deals with why National Science Day is celebrated, how it is celebrated, when it is celebrated, its objectives behind the celebration etc.

World's First commercial flying Car is now available

Feb 18, 2017

The world's first commercial road and air legal flying car is now available. It is made by Dutch vehicle manufacturer PAL-V who has revealed details of the Liberty. Let us study in detail about this first commercial flying car, about PAL-V, how it works etc.

1000+ GK Question and Answers on General Science

Feb 15, 2017

General Science plays an important role for Exams like IAS, State PSC, SSC and other similar competitive exams. Here, we are giving a complete set of General Science Questions & Answers in the form of Practice Sets that consists of 1000+MCQs. The questions in different competitive examination are such that to test the aspirants general awareness of a variety of disciplines.

How ISRO’s 104 Satellite launch can be a remarkable history

Feb 13, 2017

Till now ISRO has launched maximum 20 satellites at one go; it was PSLV-C34 on June 22, 2016. But now ISRO is going to create a history by launching 104 satellites on board, a flight of Polar Satellite Launch Vehicle (PSLV) on 15 February 2017 from Sriharikota spaceport in Andhra Pradesh. Let us find out how this is possible and what all satellites are going to be launched by ISRO.

What is the difference between DNA and RNA

Feb 6, 2017

DNA is a deoxyribonucleic acid and is a hereditary material whereas RNA is ribonucleic acid present in all living cells. Both DNA and RNA is important, if either one of these polymers fails or disappear then life would cease to exist. Without these elements protein will not be able to generate which is important for life to exist and to produce energy.

Summary on the Computer Science and Information Technology

Jan 31, 2017

The Computer is a man-made electronic programmable machine designed to sequentially and automatically carry out a sequence of arithmetic and logical operations. Here, we are giving summary on the Computer Science and Information Technology which has covered all the fundamentals of computers.

World’s first stable semi-synthetic organism discovered

Jan 27, 2017

TSRI Scientists have discovered world’s first stable semi-synthetic organism that may be helpful in the discovery of various drugs or medicines. Here we have discussed about this single celled bacterium and also the structure and function of DNA how it works and how hereditary characteristics features travels from one generation to another.

Do you know that our moon is made up of 20 smaller moonlets?

Jan 17, 2017

As, compared to other planets of the solar system, the moon is the only planet that glaze. Origin of the moon is always full of mysteries. Scientists from several years are constantly trying to find out the secrets, and in order to it the current Israeli scientists have claimed that the origin of the moon is due to the merging of 20 smaller moonlets. In this article we will see some facts related to it.

What is Black Box? How does it Work?

Jan 17, 2017

The Black Box or Flight Data Recorder of an Airplane is an instrument which records all the activities of the airplane during its flight. From the security point of view, this box is generally kept at the back side of the airplane.

List of some common man-made Polymers and their Uses

Dec 23, 2016

Polymers are made up of various molecules which combine together to form long chains. They usually have high melting and boiling points like PVC (poly vinyl chloride), polystyrene, cellulose. Therefore, the list of polymers with their uses is helpful in the academic and competitive exam preparations.

Important facts about Metals

Dec 23, 2016

Metals are the elements which form positive ions by losing electrons or donate electrons. Metals are also known as electropositive elements as they form positive ions on losing electrons. In this article we will see some important facts about metals which will be helpful in various exams preparations.

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