Genral knowledge Science -part 9

General knowledge Science

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General knowledge Science    Reading Also  General Knowledge Science Part 8 General Knowledge - Science Part 7 General Knowledge - Science Part 6 General Knowledge - Science Part 5 General knowledge science pdf -News World The centre of operation of reflex action is the spinal cord.

The centre of operation of reflex action is the spinal cord.

Hydraulic brake functions of automobile

- On Pascal's Rule

Sleep Mixes - Sulphuric

and in the mixture of nitric acid

Cork is obtained from the tree of vacuas

'Kunin' receives-from the bark of Cinchona

The main source of 'morphine and heroin' - opium

Tarpine oil is obtained from the pine tree

Tea contains agitated material .

General knowledge Science 

Coffee contains agitated substances - caffeine

Present in milk is protein - casein

Tobacco contains toxic substances - nicotine

Blacks the silver glow - Ozone Gas

Tungsten and diamond have melting point

- 3000'C and 3500'C respectively

The hardness of steel depends

- On the amount of carbon present therein

Energy generated from one gram of fat -9.3 calories

The first plant found on the soil.

- Bryophytes

A plant grown in the desert - zerophytes.

Rock-growing plant - lithophytes

Dung fungus - chropnophyll

Fungi growing on barks of trees

(Lychen) called -caratcoles

Largest ovules - in the cicas

. The longest plant in the world is associated.

- By Jimno Sperm

Atmospheric as the earth rises above the surface
pressure

- Occurs less

Atmosphere is - by convection method

. Inert gas not found in the atmosphere

-Radon

Highest inatmos
the inert gas is -Crampton

Discovered inert gases - Ramje

The percentage of nitrogen in the atmosphere - 78%
The highest in the universe.
Element is

- Hydrogen

The scale of atmospheric pressure is barometer

1 Atmospheric pressure equals: 10 oN/n m

Gradually the mercury column in the barometer
Fall is an indicator of chance of rain.

Sudden of the column of mercury in the barometer.
Falling is an indicator of wind or storm.

Gradual climbing of the column of mercury in the barometer
Indicative - Clean and Clean Weather

Melting point of ice decreases as pressure increases

An ice piece in a glass filled with water
Swimming, water on the passage of the fragments
The level of

will remain unchanged
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