Questions

The number of permanent members of the U.N. Security Council is

What was the major decision that took place in 1987 Montreal Conference?

______ bond holds the atoms together within a water molecule.

In which of the following solution the concentration of H+ ion is the maximum?

Which element is not a part of a nitrogenous base?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
Will-o-the wisp

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Since last year his condition has been________

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to “No improvement”.

Let his failure be a lesson to you all.