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ADVANTAGE OF SYNTHETIC FIBRES Most synthetic fibres have good elasticity. Most fabrics made of synthetic fibres do not wrinkle easily. Fabrics made of synthetic fibres are generally more durable, less…
Synthetic Fibres and Plastics class 8 Fires that are made by human beings are called synthetic fibres. Most synthetic fibres are obtained from coal, petroleum and natural gas. A synthetic…
PHYSICAL PROPERTIES OF METALS AND NON METALS Physical properties include Physical state,lustre, colour,hardness, malleability,ductile,thermal conductivity, electrical conductivity and sonority. PHYSICAL STATE Metals :- Almost all metals are solid at room…
The cytoplasm is a viscous jelly-like substance present within the cell membrane. Some of the cell organelles found within the cytoplasm are:- GOLGI APPARATUS (or Golgi body) It is made…
Though cells may differ in shape and size, all of them have the same basic structure. The main parts of any cell are cell membrane, cytoplasm, and nucleus. CELL MEMBRANE…
The cells that lack a well defined nucleus surrounded by a nuclear membrane are called prokaryotic cells (pro means primitive;karyon means nucleus). Examples of prokaryotes are bacteria and blue- green…
UNICELLULAR AND MULTICELLULAR ORGANISMS Organism whose body consists of a single cell are called uni cellular organisms.Examples of unicellular organisms are Amoeba,Paramoecium,Euglena,and bacteria. In a unicellular organism ,a single cell…