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General Knowledge for Competitive Exams

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General Science: A Complete Study Material

Sep 24, 2021
Here we are providing the complete study material of General Science covering major subjects including Biology, Chemistry, and Physics.   

What is the difference between Green Hydrogen and Blue Hydrogen?

Apr 23, 2021
As we know that Hydrogen is an odourless, and invisible gas. It is a clean fuel and produces only water when consumed in a fuel cell. There are various shades of hydrogen including blue, green, grey, yellow, etc. Why soo many colours are given to Hydrogen and what is the difference between blue and green hydrogen? Let us find out!

What is Flue Gas Desulphurisation?

Jan 8, 2021
Desulphurization is the removal of Sulphur Dioxide. The flue gas desulphurisation plants remove sulphur dioxides from the flue gas which is produced by boilers, furnaces, and other sources. Let us read in detail about the flue gas desuplhurisation.

What is the difference between Alpha, Beta and Gamma Rays?

Dec 29, 2020
During radioactivity three main types of radiations are emitted by radioactive particles namely alpha, beta, and gamma. Let us study these rays and what is the difference between them.

Science and Tech Weekly Brief: Important updates from December 12- 18, 2020

Dec 18, 2020
Take a look at the detailed list of major events in Science and Technology that have occurred in the past one week that is from December 12-18, 2020. Know all about ISRO’S 42nd Communication Satellite, and a new kind of Plasmodium causing deadly malaria here

What is the difference between Baking Soda and Baking Powder?

Dec 18, 2020
Baking soda and baking powder both are leavening agents and are used to help baked goods rise. Let us have a look at the difference between baking soda and baking powder.

What is Gene Editing, CRISPR/Cas9, Examples and Benefits?

Oct 15, 2020
Genome editing is also known as gene editing. Various approaches to genome editing have been developed. How is it done, what are its applications, benefits, examples, etc? Let us find out!

10 Facts about Asia's largest solar power plant

Jul 10, 2020
Prime Minister Narendra Modi inaugurates Asia's largest solar power plant in MP's Rewa on 10 July, 2020. The ceremony of inauguration took place through video conferencing. Let us have a look at 10 facts about Asia's largest solar power plant.

Dexamethasone: Know about the World’s first life saving COVID-19 drug

Jun 19, 2020
The whole world is suffering from COVID-19 pandemic, several trials are going on for the treatment of coronavirus where Dexamethasone can be life-saver and can prevent ventilation stage in COVID-19 cases. Let us read in detail about Dexamethasone, how it works, and about the study related to Dexamethasone.

Do you know which one is better Soap or Sanitizer?

May 8, 2020
COVID-19: Health officials have suggested various measures to reduce the risk of infection from the COVID-19 pandemic and one such is the importance of good personal hygiene. Frequent handwashing with soap or an alcohol-based sanitizer. Do you know which one is better soap or hand sanitizer?

What is Remdesivir and can it be useful in treating COVID-19?

Apr 30, 2020
To combat COVID-19 various clinical trials are going on and one such is remdesivir. According to Dr. Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases told that results from a clinical trial of a drug remdesivir for treating COVID-19 virus have shown "quite good news". Let us read in detail about the research and remdesivir medicine.      

Reasons behind the earthy odour of soil after first rain

Mar 20, 2020
Have you ever noticed the earthy odour or smell that comes from the soil after the first rain? The smell makes us poetic and gives the experience of fresh soil. Is there any scientific reason behind the smell? Let us find out!  

Why Gold does not rust?

Mar 19, 2020
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 us find out!

Green Crackers: Meaning, Composition and Facts

Mar 19, 2020
Firecrackers are enjoyed by most of the children in the Diwali festival. And every time it is seen that due to crackers air pollution increases and affects health. CSIR developed green crackers which are better than previous sound-emitting crackers and other fireworks. Let us read more about green crackers, how they will help in combating air pollution, the composition of green crackers, etc.    

What is “OneerTM”?

Mar 14, 2020
OneerTM is a technology which will be helpful in rural areas and is developed under Make in India Mission. But do you know for what purpose OneerTM is developed, what are its features, how it will work etc. Let us find out through this article.
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