General Knowledge for Competitive Exams

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Arecibo Message: 1st International radio message to space

3 hrs ago
There was a radio message which was sent into the space in 1974. It was known as Arecibo Message. Do you know about it? What does it contain? Why it was sent? What is the Importance of Arecibo message etc? Let us find out through this article.

What is Ozone Pollution and how it affects health?

Nov 1, 2018
We all know that ozone protect us from UV rays coming from the sun. Then what is ozone pollution, how it is harmful for health and environment. Let us study from this article about ozone pollution.

What are Green Crackers?

Nov 1, 2018
Firecrackers are used in Diwali and is a main ingredient for celebration. It causes air pollution and according to the present situation using fireworks are not good for health. So, government is planning to generate green crackers. Do you know what are green crackers, what are its features, what is the composition of fireworks, how do they work, how they are harmful for health etc. are discussed in the article.

What is Black Box? How does it Work?

Oct 30, 2018
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.

What is Space Station and how many Space Stations are present in space?

Oct 22, 2018
Space station has been built so that scientists, astronauts can work in space for a long time. Do you know how space station work and at present how many space stations are present in the space? Let us find out through this article.

Why Gold does not rust?

Oct 16, 2018
We know that gold has been used in India since ancient times. Its accuracy is measured in the carat. People use it in the form of jewellery, coins, etc. You may have noticed that gold does not rust like other metals but why? Let's study through this article.

What is Mobile Wallet and how does it work?

Sep 27, 2018
Mobile Wallet is also known as Mobile Money or Mobile Money Transfer. It is a technique that is getting popular every day. But do you know what is mobile wallet and how it works, what are the advantages and disadvantages of using it. Let us study through this article.

Why more than 300 combinations of medicines are banned in India?

Sep 19, 2018
Health ministry had banned more than 300 combinations of medicines or drugs in India. Do you know what are fixed drug combinations, why they are harmful for health, why government had banned these medicines in India? Let us find out through this article.

Reasons behind the earthy odour of soil after first rain

Sep 6, 2018
Have you ever noticed that when first drops of rain fall on the dry land, the unique earthy odour comes out of the soil or surrounding environment? Why does this happen. Is there any scientific reason behind it? Let's study through this article.

What is Pasteurised or homogenised milk?

Aug 28, 2018
The milk that we get from the nearby shops in the packet is known as pasteurised milk. But do you know what is pasteurisation, homogenisation, how pasteurised milk is prepared, is it beneficial for health or not etc. Let us study through this article.

Do you know Women have more active brain than Men

Aug 24, 2018
One research has shown that women's brain is more active than men. In this article, we will study about the experiment of the researchers that why women have more active brains than men.

Why do particles of matter constantly move?

Aug 20, 2018
Matter is that occupies space and has weight. Everything around us is made up of particles. The particles which make up matter are so small that we cannot see them with a high power microscope. One of the characteristic of particle is that it constantly moves. Let us prove it through this article.

Why Doctors wear white Coat?

Jul 30, 2018
It has been seen mostly that the profession is identified with uniform, such as police khaki uniform, black coat of the lawyer, white coat of the doctor etc. But do you know why doctors wear a white colour coat, what can be the reason behind this. Let's study through this article.

What is Super Blue Blood Moon?

Jul 27, 2018
A supermoon is a moon that is full when it is at its closest point in an elliptical orbit around the Earth and a total lunar eclipse or blood moon in which Earth's shadow upon the lunar eclipse gives it a reddish colour. This article deals with super blue blood moon, its features and significance.

What is ‘Meghalayan Age’ in Earth’s history?

Jul 25, 2018
Do you know that scientists have discovered a new age in the history of the Earth and named it after the name of India's Meghalaya? This has been called as ‘Meghalayan Age’. Let us study through this article what is the Meghalayan Age, how it has been calculated, etc.

What types of toxins are present in Tap water?

Jul 13, 2018
What type of toxins and chemicals are present in tap water, why tap water is injurious to health or not suitable for drinking these days, what type of diseases are caused due to these chemicals etc. are discussed in this article.

Do you know that Apple seeds are Poisonous?

Jul 12, 2018
Apple is considered good for health. Even the doctor says to eat an apple every day. But do you know that apple seeds are poisonous or can be deadly. Let's study through this article.

What is the chemical composition of Sweat?

Jul 11, 2018
Sweat is the natural phenomenon of our body. It maintains the temperature of the body. It is also known as perspiration. Let us study the chemical composition of sweat through this article.

What is ‘High Grade’ Metastatic Cancer?

Jul 5, 2018
Cancer is caused when abnormal cells divide in an uncontrolled way and can develop almost anywhere in the body. Let us study through this article about the high grade metastatic cancer, its symptoms, where it spreads in the body, causes etc.

What is the difference between Drug abuse and Drug addiction?

Jun 26, 2018
Drug abuse is taking larger doses than were prescribed and it might lead to addiction. Nowadays it is common problems plaguing adolescents, teens and adults. Let us study about the difference between drug abuse and addiction through this article.

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