Select the option that can be used as a one-word substitute for the given group of words.

Burial ground consisting of graves.

Select the most appropriate option that can substitute the underlined words in the given sentence.

The heavy medications and strong drugs at the sanatorium will surely turn a patient completely lifeless and unresponsive.

Select the most appropriate meaning of the underlined idiom in the following sentence.

I really don't want to pour cold water on your theory but it cannot be applied to real life situations.

Select the most appropriate synonym of the underlined word in the given sentence.

In most organizations, some  predators  take over the meek ones.