Questions

Expedite means making an action fast or sooner i.e, to accomplish a work as quickly as possible.

Hence, halt means stop and it is opposite of Expedite.

DNA is the genetic material in the cell. 

Hence, option B) DNA is located in the nucleus best matches the description with the genetic material.

Uracil is not found in DNA but found in RNA.

Darkness.

The color of giraffe's tongue is purple or bluish to prevent it from sunburn as it lives in tropical regions.

After the defeat of china by Japan in a war over Korea in 1894,France, Russia, Britain and Germany gave loan to china to help it to the payment of 150 million dollors demanded by japan. These western countries the divided china into spheres of influence, which meant that each country had certain regions of china reserved exclusively for its purposes.

          The united states feared that china would be completely parcelled out in exclusive 'spheres of influence' and that its trade with china would be shut off. The USA, therefore, suggested the policy known as the "Open Door". This policy is also described as "Mee too Policy".

          The division of China into "spheres of influence' has often been described as the "cutting of the Chinese melon".

Direct method,

 Subtraction method,

 Modulo-Division method,

 Digit-Extraction method,

 Mid-Square method,

 Folding method,

Pseudo-random method