Human Reproduction | Practice Question

Here are practice questions based on Human Reproduction (Chapter-3, Class XII) from previous year board question papers, CBSE Sample paper, and NCERT Exemplar 1 Mark Mention the importance of LH surge during the menstrual cycle. What do you mean by foetal ejection reflex? What is acrosome? Name the embryonic stage that gets implanted in the... Continue Reading →

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Sexual Reproduction in Flowering Plants | Practice Questions

Here are practice questions based on Sexual Reproduction in Flowering Plants (Chapter-2, Class XII) from previous year board question papers, CBSE Sample paper, and NCERT Exemplar 1 Mark Write the function of scutellum. Name the type of flower that favours cross pollination. Mention the pollinating agent of an inflorescence of a small dull coloured flower... Continue Reading →

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Central Sector Scheme of Scholarship for College & University Students | CBSE Press Note

Various scholarships are being provided to deserving students from different categories by the government of India via the National Scholarship Portal. Online application for these schemes for the year 2017, first renewal for the year 2016 and second renewal for the year 2015 is now available on National Scholarship Portal (http://scholarships.gov.in). Students can apply for... Continue Reading →

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NCERT Exercise Solutions | Biology

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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DNA Replication-3D Animation

Deoxyribonucleic acid (DNA), the genetic material for most of the living organisms, duplicates itself before the cell division by the process of cell division. This animation briefly explains the process of DNA replication, that involves enzymes like the Helicase, Primase, DNA polymerase, Exonuclease and DNA ligase. It also talks about the leading and the lagging... Continue Reading →

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How do Mosquito Bite?

Ever wondered what really happens when a mosquito sits on your skin and sucks the blood out of you and occasionally leaves behind a gift for you, the virus it carries. The proboscis present in the mosquito’s mouth is a complex system of thin needles, each of which instead consists of six needle-like parts (stylets). It... Continue Reading →

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Biological Classification | Class XI | Quiz #1

Check your understanding level with the help of this online Quiz. The questions are based on the previous years medical entrance examinations. The score and correct answers will be displayed at the end of the quiz. For any query use the comment section below.

Control and Coordination | Class X | Quiz

Check your understanding level on the chapter 'Control and Coordination' with the help of this online Quiz. The score and correct answers will be displayed at the end of the quiz. For any query use the comment section below.

Body Fluids & Circulation | Class-XI | Quiz

Check your understanding level with the help of this online Quiz on the chapter 'Body fluids and circulation'. The score and correct answers will be displayed at the end of the quiz. For any query use the comment section below.

Life Processes | Class X | Quiz

Check your understanding level for the chapter 'Life Processes' in Class X with the help of the online Quiz. The score and correct answers will be displayed at the end of the quiz. For any query use the comment section below.

NCERT launches web portal for ordering NCERT books online

On 9th August, 2017.  under the guidance of Shri Prakash Javadekar, Hon'ble Union Minister of HRD and Shri Upendra Kushawaha, Hon'ble MoS, HRD, a dedicated web portal was launched by Shri Anil Swarup, Secretary, School Education and Literacy, MHRD for the NCERT books.  Schools and vendors can order the books online at http://ncertbooks.ncert.gov.in and get it... Continue Reading →

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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