science interesting quiz by chirag

By which material bulb filament is maded

• copper

• gold

• silver

• tungsten

what do you mean by fermentation?

• fermentation is the process in which the yest get big and big then we put it in the dow and bake it.

• the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.

• "the fermentation of organic matter by microorganisms in the gut" is an example of fermentation.

• in fermentation we put yest with sugar in bowl 🥣 when it grows we bake it.

force is the _____________________of any object

the microorganisms are classified into four groups that are

• virus ,fungi,microbes,amoeba

• bacteria,fungi,protozoa,and algae

• bacteria,fungi,protozoa,and virus

• microbes,penicillium,spirogyra,and fungus

• all of these

what are synthetic fibres

• synthetic fibres are artificial silk.

• synthetic fibre are single unit polymer fabrics.

• Synthetic fibre is man-made fibres, most of them are prepared from raw material (petroleum) called petrochemicals.

• synthetic fibres are nylon known as artificial silk.

all synthetic fibres are natural or man made?

• yes all the fibres are man made

• yes all the fires are natural

• all the fibres natural also and man made also

• no some fibres are man made and some are natural

what is the name of the scientist who invented cell and battery

name of the scientist who invented the Rubics cube first.

name of the future scientist