The discovery of DNA | History

How was DNA first discovered and who discovered it? Read on to find out...  It is a common misconception that James Watson and Francis Crick discovered DNA in the 1950s. In reality, DNA was discovered decades before. It was by following the work of the pioneers before them that James and Francis were able to come to their ground-breaking conclusion... Continue Reading →


NCERT Exercise Solutions | Class XI & XII

The following pages contain chapter-wise solutions to all the NCERT Exercise questions in Biology. NCERT Exercise Solutions | Biology |Class-XI NCERT Exercise Solutions | Biology | Class-XII    You can also check the biology syllabus.  Click here Find chapter-wise revision notes here. Click here Clear your concepts with the help of animations. Click here   These... Continue Reading →

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What is DNA Replication?

DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to ‘unzip’ the double-helix structure of the DNA This is carried out by an enzyme called helicase which breaks the hydrogen bonds holding the complementary bases of DNA together (A with T, C with G). The separation of the... Continue Reading →

Do we really use only 10% of our brain?

Most of us believe in the fact that we use only 10% of our brain. In an average, an adult spends 20% of the total glucose burnt to sustain the brain's energy requirement, while in children the value goes up to 50% and in infants, it is 60%. As a matter of fact the brain requires a lot... Continue Reading →

What is DNA?

DNA or deoxyribonucleic acid is a long molecule that contains our unique genetic code. Like a recipe book, it holds the instructions for making all the proteins in our bodies.   Your genome is made of a chemical called deoxyribonucleic acid, or DNA for short. DNA contains four basic building blocks or ‘bases’: adenine(A), cytosine(C), guanine (G) and thymine (T). The order, or sequence,... Continue Reading →

What is a genome?

A genome is an organism’s complete set of genetic instructions. Each genome contains all of the information needed to build that organism and allow it to grow and develop.  Our bodies are made up of millions of cells (100,000,000,000,000), each with their own complete set of instructions for making us, like a recipe book for the body.... Continue Reading →

Branches of Biology and their Fathers​

Here is list of various fields of biology and scientists who are regarded as father or founder of each of the field. Father of Biology  Aristotle Father of Modern Biology  Linnaeus Father of Antibiotics  Alexander Fleming Father of Taxonomy  Carolus Linnaeus Father of Immunology  Edward Jenner Father of Microbiology  Anton van Leeuwenhoek Father of Modern... Continue Reading →

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