Questions

The percentage of nitrogen in the air is about

Oncology is associated with treatment of

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

Which element is not a part of a nitrogenous base?

Number of Sigma and Pi bonds in benzene, respectively is

Who formulated ‘the atomic theory’ of a matter?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To bury the hatchet

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the fourand indicate it by selecting the appropriate option.

Happy thoughts release hormones that work for our well-being and negative thoughts release hormones that make us ______.