Questions

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.

My father told me that all the labor and effort one puts in to the professional front is meant to make life easier and therefore any professional success coming at the cost of personal happiness is pointless.
i. one puts at the professional front is meant to make life
ii. one puts onto the professional front is meant to make life
iii. one who puts into the professional front is meant to make life

Unlike eutherians, both monotremes and marsupials

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To make a long story short

Where is the atmosphere the most dense?

Odd man out of the following options. One among them is not related to other three.

Who has been appointed as the new Nepalese ambassador to India?

In the following question, select the related word pair from the given alternatives.
Fire : Burn : : ? : ?

What is a normal pH level in blood?