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What is plant tissue? Definition and various types of plant tissue

All the unicellular organisms complete their biological and physiological work through their only one cell. But the multicellular organism originates from the zygote and forms multiple cells through the constant division of the zygote. Thus a group of cells consist of different size and shapes that are functioned togetherly as a unit, they are called […]

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Basics about computer

technology / Sciencendtech team

Computers are the modern building blocks of our civilization. From your local cyber cafe to the huge spaceships of NASA, the footprints of computers are unimaginable. That’s why knowing the basics of computer is one of the most valuable element in modern days. Today, almost everyone has a more or less idea about computers. With

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Characteristics of Transistors and their uses || part 2

electronics / Sciencendtech team

In our previous post, we learnt about the mechanism and different parameters. If you missed it please check our ‘ A to Z about transistor‘ post first for better understanding. In this post, we will discuss about the different characteristics of transistors and their uses. So let’s get into it. Different modes There are three

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A to Z about Transistor

electronics / Sciencendtech team

The transistor is the most revolutionary device in the field of technology. You probably read this post either on a mobile or computer or tablet; each of which contains a huge amount of ICs inside them. Many of those ICs consist of a large number of transistors. What is a Transistor? If you go through

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Publication of names and Rejection of names

taxonomy / Poulami Barman

For a successful publication of name, a scientific name must need an effective and valid publication by which this name will be acceptable in the whole world. The international code botanical nomenclature is based on the following sets of 3 principles, which are the philosophical basis of the code and provide guidelines for the taxonomists

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Development of botanical code, the type method and Author citation

taxonomy / Poulami Barman

Development of botanical code For several centuries the names of plants appeared as polynomials – which may be difficult to remember. Casper Bauhin at first in 1653 introduced Binomial Nomenclature, in which the scientific name of species consists of two parts, firstly the generic epithet and secondly the specific epithet. Ex – Scientific name of

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Mechanism and use of Zener diode, LED and photodiode

electronics / Sciencendtech team

There are a variety of diodes out there, but in this post we will particularly stick with the Zener diode, LED and Photodiode. Here we will discuss mechanism, symbols, uses and the fundamental terms associated with these diodes. So let’s get into it. Zener diode Zener diode is a highly doped p-n junction diode having

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What is binomial nomenclature?

taxonomy / Poulami Barman

It is a naming system in taxonomy, which is composed of two terms. The first term indicates the Generic epithet and the second term indicates the Specific epithet of any organism. What is binomial nomenclature? Each and every organism has different local names in different localities. These multiple local names make a difficult situation to

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What are the Phrases and Components of Taxonomy?

taxonomy / Poulami Barman

Taxonomic advancements today can be conveniently divided into four distinct phases encountered in different parts of the world. This system was formulated by Davis and Heywood in 1963. Phases of taxonomy The pioneer or exploratory phase 1. This phase marks the beginning of plant taxonomy, collecting specimens and building herbarium records. 2. These specimens are

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What is a p-n junction diode? Fabrication techniques, Biasing, vi characteristics, uses

electronics / Sciencendtech team

The p-n junction diodes are one of the most used elements in electronic circuits. It is a non-linear, active element. For a definite polarity, it conducts well but becomes non conducting with opposite polarities. This property is quite similar to the property of vacuum diodes. Hence, the p-n junction is called a semiconductor diode. Semiconductor

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