Science of the study of preserved remains or traces of animals, plants, and other organisms from the remote past is called ________.

The manufacture of iron from iron ore involves the process of 

What enzyme occurs in human tears , causing bacteria to die ? 

The term ‘ecosystem’ was proposed by—

Is there concentration in the eye? 

Which one of the following is a condition of delayed blood clotting? 

'Bar' is the unit of

Tungsten resistance to temperature rise?