General Knowledge Questions

The silver coin 'tanka' was introduced by __________.

What is the basis of first level of classification among plants?

Product costs are also called

A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?

Who Invented Laser?

The Chemical formula of Ammonium dichromate is _____.

Read the following passage carefully and choose the most appropriate answer to the question out of the four alternatives.

When I think of my family's history on the land. I experience a pang of regret. Unlike much of the arid West, where the land has gone virtually unchanged for centuries, my place of origin, western Kansas, has been torn up by agriculture. The flat plains, excellent soil, and sparse but just adequate rainfall permitted farming; therefore farming prevailed, and a good 90% of the original sod prairie is gone. The consequence, in human terms, is that our relationship to our place has always felt primarily mercantile. We used the land and denied, or held at bay, its effect on us. Yet from my earliest childhood, when the most of the Kansas prairie was still intact, I 've known that the land also had a romantic quality. I've felt moved by the expanse of it , enthralled by size. I take pride in my identity as a plains daughter.

The argument in the paragraph is based primarily on :

Non­-Tax revenue can be increased by improving the working of ___________.