CBSE Class Notes Online – Classnotes123
CBSE Class Notes Online – Classnotes123
What is Metamorphosis? Metamorphosis can be defined as a biological process in which immature form of an animal physically develops after birth or hatching in two or more distinct stages. …
Read MoreFriendly microorganism or useful Microorganisms Microorganisms have lots of benefits not only for us but for the whole nature. We get Various useful substance from microorganism. Different bacteria produces different …
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Bacteria:- Describe or Explain the Structure of Bacteria?) Structure of Bacteria Bacteria are single celled or unicellular organism. Their cell structure is unique in that they don’t have nucleus. Its nucleic …
Read MoreQuestion1 What are the Characteristics of Living things? Answer 1. Characteristics of Living things are as follows Living things can move Living things can breathe. Living things need food Living …
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Animal cells Let’s begin with the components of the animal cells:- Cell membrane A cell is always surrounded by a thin membrane called plasma membrane. The membrane has the following functions:- …
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Structure of the cell The cell is a tiny sac bounded by thin skin or membrane. It is filled with a semifluid substance call the cytoplasm. Tiny living bodies called organelles lie suspended in …
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Shape and size of cell Cells come in multitude of shapes and sizes. The shape of a cell depends on the job it performs. Examples of Cells with their shape …
Read MoreCell Theory In 1838 German biologist Mathias Schleiden and Theodor Schwann put forward the cell theory of life Cell is a mass of Protoplasm containing a nucleus . Cell is …
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Unicellular and multicellular organisms The cell is the functional and structural unit of every living being. According to the number of cells all the organisms are divided into Unicellular organisms …
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Microorganisms Organisms which are too small to see with naked eyes and can be seen only with the help of microscope are called as Microorganisms. Where are microorganisms found??? Microorganism can …
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