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General Knowledge for Competitive Exams

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What is the difference between Prokaryotic and Eukaryotic Cells

Apr 12, 2018
The cell was discovered by Robert Hook in 1665. Some cells have membrane bound organelles and some do not have. Two types of cells are found in an organisms depending upon the internal structure of cell that is Eukaryotic and Prokaryotic. Let us study through this article about Eukaryotic and Prokaryotic cell, what is the difference between them etc.

9 Interesting facts about Protozoa

Apr 11, 2018
Protozoa are small, single-celled organisms that live in moist environment, such as ponds, swamps and soils. They can survive themselves or sometimes live as a parasite inside the plants or animals. Let us study 9 interesting facts about protozoa through this article.

Why are mosquito bites so itchy?

Apr 10, 2018
Have you ever noticed that when mosquito bites, it seems like nothing happened, but after a while it becomes a red stain and it starts itching. Let us study through this article why mosquito bites are so itchy, is there any scientific reason behind it.

What is Mind-reading machine?

Apr 5, 2018
Mind reading machine refer to the Interpretation of human thought/cognition by brain activity without depending on speech or action. It can also predict the mental state or human behavior.

15 Unknown facts about Viruses

Apr 2, 2018
Viruses are parasites, their infections cause many diseases in the host organism and they spread from one host to the other. Several diseases are caused due to virus, but they are also used for some beneficial works. Let's study some interesting and unknown facts about viruses through this article.

List of different branches of Biology and their Fathers

Apr 2, 2018
Biology means study of life. There was a gradual development of biology in the era of Aristotle. This article deals with the list of different branches of biology and their fathers which is very useful for students preparing for competitive exams like UPSC, SSC, State Services, NDA, CDS and Railways, and will also increase your knowledge.

What are Salivary Glands and their Functions?

Mar 29, 2018
Salivary glands secrete saliva in the mouth which helps in the digestion of food. Saliva is 98% of water but contains electrolytes, antibacterial compounds, mucus, enzymes etc. This article deals with Salivary glands function and types.

What is barcode and how is it made?

Mar 26, 2018
A barcode is a square or rectangular image consisting of a series of parallel black lines and white spaces of varying widths. Barcode stores product related data like the date of manufacturing, expiry date, name of the manufacturer, country of the origin and price & quantity of the product. There are two types of barcode one is 1D and other is 2D (2 dimensional).

What is Tissue Culture and its importance in Plants?

Mar 19, 2018
Tissue culture is a technique of growing new plants tissue by transferring them into an artificial environment in which they can continue and function. This article deals with tissue culture, process how it is done, its importance and advantages.

What are Chemical Weapons, types and impact

Mar 19, 2018
Use of Chemical Weapons began in World War I. Such weapons consists of various chemicals like chlorine, phosgene etc. Chemical weapons can be used in any form whether gas or liquid. Let's study through this article about chemical weapons, its impact on the body, types of chemical weapons etc.

Do you know that your Brain has a “Delete” button?

Mar 16, 2018
Science says that you can erase your memories. Our brain has a delete button. Isn’t it shocking! But it is true. Let us understand through this video how does it work?

6 important discoveries of Stephen Hawking

Mar 14, 2018
Stephen Hawking was a renowned theoretical physicist and cosmologist. His major contributions are singularities, black hole emit radiation etc. This article deals with 6 important discoveries of Stephen Hawking.

List of Heart Diseases, causes and symptoms

Mar 13, 2018
Heart disease is severe but depends upon individual and the symptoms that how much they are dangerous and what type of treatment is required. From this article we will learn about the list of various heart diseases, causes and some common symptoms, so that we can take precaution and proper treatment.

10 important facts about Liver

Mar 5, 2018
Liver is a vital organ of the human body. It performs several functions which are necessary for the survival. Without liver life is not possible. This article deals with some important and unknown facts about liver which help us to understand its functions and how it works.

1000+ GK Question and Answers on General Science

Mar 5, 2018
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.

What is Dark Matter in Space?

Mar 1, 2018
There are several theories regarding Dark Matter. It is completely invisible to light and other forms of electromagnetic radiation and impossible to detect. Let us study through this article about dark energy and dark matter. Is it really exist?

What is the Origin of Zero in India?

Feb 20, 2018
Zero is a symbol for the concept of nothing or having nothing. Now a day’s zero both as a numeric symbol and a concept help us to do calculus, in solving complicated equations and is the basis of computer. This article deals with the invention of Zero in India, how and when it took place.

List of Organs that help in Digestion of Human Body

Feb 19, 2018
In the process of Digestion, food is broken down into smaller parts to provide energy. The digestive system is made up of the gastrointestinal tract, which is a series of organs joined from mouth to anus. This article deals with the list of organs that helps in the digestion.

Why we should not sleep under a tree at night?

Feb 15, 2018
Plants are an important part of our life. With the help of photosynthesis, plants prepare their own food. They produce glucose and oxygen from carbon dioxide and water. They help us to reduce the pollution. But have you ever thought why we should not sleep under the tree at night? Let's study through this article.

What is Uniform Circular Motion?

Feb 13, 2018
When the body changes its position with respect to its surrounding, the body is said to be in Motion like motion of moon around the earth. This article deals with a type of motion i.e. Uniform circular motion with examples.

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