This video provides you information about one of the largest moth and its characteriatic features. This video also covers difference between butterfly and moth.

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This video is about Steps of Artificial hybridisation that includes Emasculation , Bagging , Dusting of Pollen , Re - Bagging aand Tagging.
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In this video I have shared the way to make animal cell tlm . This tlm is very helpful in classroom to teach effectively.

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This video is about experiment on extraction of DNA from different plant materials like plant leaves , tomato and banana.
I have performed this experiment with my
students - Ronak Singh , Sumi Chetry , Alok Mishra , Neha Upadhaya , Suchetona Das.

With…

This video is about a short summarized explanation of pollen pistil interaction to clear out this basic concept.
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This video is about double fertilization and post pollination events.

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This short video is about the post fertilization changes and it will be very helpful to class 12 students as well as candidates preparing for competitive exams.

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This video is about endosperm and its types - nuclear endosperm , cellular endosperm and helobial endosperm.

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This video is about virus , viroid and prions in detail.
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This video is about immunoglobulins , also called antibodies including classes, and functions of IgG, IgA, IgM, IgE, and IgD in a simple and clear way.

🔹 Topics Covered:

What are Immunoglobulins?

Different classes of Immunoglobulins (IgG, IgA, IgM, IgE…

In this video, we will learn about types of placentation in plants with clear diagrams and easy explanations. Placentation is the arrangement of ovules inside the ovary – a very important topic for PGT Biology Exams , Class 11 Biology NCERT, NEET 2026 and…

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This video is about difference between Euchromatin and Heterochromatin.

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In this video, we discuss the KVS NVS 2025 Vacancy with a complete explanation of the PGT Biology Tier-2 exam. This video is specially designed for aspirants preparing for KVS PGT Biology 2025 and NVS PGT Biology 2025.

🔹 What you will learn in this video:…

In this video, I have shared my KVS PGT Biology interview experience, including the questions asked by the interview panel , teaching-demo related questions and important tips for KVS NVS PGT Biology aspirants.

If you are preparing for KVS NVS PGT Biology…

In this video, I have shared some important and suitable Demo Teaching Topics from Class 11 & 12 NCERT Biology that you can consider while preparing for your PGT Biology interview.
In this video:

🔹 KVS/NVS PGT Biology Interview Preparation
🔹 Important Demo…

In this video, I have explained the Structure of Nucleus from Class 11 NCERT Biology as a sample Demo Teaching session for the KVS & NVS PGT Biology Interview.
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