What is the Organic Evolution ?
Answer / guest
This study tells us how simples forms of life changed into
more complex forms.
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What is blood ? Describe its functions in the human body ?
Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation
What are nebulae?
Which are the important pulsating nebulae?
The percentage of carbon is the least in 1 Grey cast iron 2 Wrought iron 3 White cast iron 4 Steel
The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
Amalgams are 1 Alloys which contain carbon 2 Alloys which have great resistance to abrasion 3 Alloys which contain mercury as one of the contents 4 None of these
Which unit is used to measure sound frequency?
in earth 1degree equals how many kilo meters?