Which of the following pollutants in water causes

VOLUNTARY

Choose the word that means the same as the given word.

Obligation

Heart : Circulation :: Lungs : ?

In the following question select the answer pair that expresses a relationship most similar to that expressed in the capitalised pair.

Familiarity breeds contempt .

Which one of the following words is nearly opposite in meaning to the bold  one

expound

This syrup will _______ you quickly

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Be in the red