P-1 Metallurgy — Science STD 10 — Question

Atomic radius is expressed in the unit ………… .

The chemical bonds in carbon compounds do not produce ______________ .

The causality behind the sudden changes was un- derstood due to……………..principle of Hugo de Vries.(Mutation, Transcription,)

Fill in the blanks in the following statements:
On going down in a group in the periodic table, the metallic character of elements _________.

Fill in the following blanks with suitable words:Plasmodium reproduces by the process of ________ fission whereas Paramecium reproduces by the process of ________ fission.

In hypermetropia, the image is formed ______________ the retina.

The weight of an object on the Earth is __________ times its weight on the Moon.

Very small quantity of ………… gas is mixed to produce vinegar.

__________ girls have to unnecessarily face the problems like teasing and molestation.

The chemical bond formed by sharing of two valence electrons between the two atoms is called ______________ .