The word Saprophyte is made of up of two words, sapro- + -phyte -----> "rotten material" + "plant".Saprophytes or saprotrophs are those organisms that get their energy from dead and decaying organic matter. This may be decaying pieces of plants or animals. They break down the complex organic matter into ... Read More

Bacteria are known as prokaryote organisms, which is a unicellular organism(the cell in these organisms is known as a prokaryotic cell) that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.A prokaryotic cell has five essential structural components: a nucleoid (DNA), ribosomes, cell membrane, cell wall, and some sort ... Read More

Petrochemicals can be defined as a large group of chemicals derived from natural gas and petroleum by refining and used for a variety of commercial purposes. 99% of all plastics are created from oil and natural gas.Common examples of petrochemical are wax, synthetic, detergent, food-additives, dyes, plastic bottles, etc. Some ... Read More

Biodiversity is the variety and variability of life on Earth. The term biodiversity (from "biological diversity") refers to the variety of life on Earth at all its levels.It is typically a measure of variation at the genetic, species and ecosystem level. Biodiversity includes not only species we consider rare, threatened, ... Read More

In simple terms, biotechnology is technology based on biology. Biotechnology harnesses cellular and biomolecular processes to develop technologies and products that help improve our lives and the health of our planet. Approximately 6, 000 years ago, humans began to harness the biological processes of microorganisms in order to make bread, alcoholic ... Read More

Oxidation is the loss of electrons or an increase in the oxidation state of an atom, an ion, or of certain atoms in a molecule.Example: The reaction between magnesium metal and oxygen to form magnesium oxide involves the oxidation of magnesium.2Mg(s) + O2(g) ------------    2MgO(s) [Oxidation] Reduction is the gain ... Read More

Winnowing is a farming method developed by ancient people for separating grain from the chaff. It is very commonly used by farmers to separate the husk from heavier grains, like paddy and wheat.The method involves throwing off the mixture into the air so that the wind blows away the lighter chaff. ... Read More

Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit.RULES FOR SIGNIFICANT FIGURES1. All non-zero numbers ARE significant. The number 33.2 has THREE significant figures because all ... Read More

Improper fraction: Improper fraction is a fraction where the numerator (the top number) is greater than or equal to the denominator (the bottom number) For example: $\frac{4}{3}$ is improper fraction. Because numerator > denominator $\frac{2}{3}$ is proper fraction. Because numerator < denominator

A square is closed, two-dimensional shape with 4 equal sides.A square is a quadrilateral. We can find the shape of a square in a carrom board or chess board, a wall clock and in a slice of bread, around us.  Properties of a Square:A square has 4 sides and 4 vertices.All the ... Read More