Questions

Which of the following is not a greenhouse gas?

Which of the following elements was the last element in Newland's Law of Octaves?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Not to mince matters

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
No sooner had he finished (1)/ his morning walk (2)/ when it began to rain. (3)/ No Error (4)

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

Once in a blue moon

Which of the following increase the risk of developing osteoporosis?

What does Trypsin do?

Which type of pathogen causes the water­borne disease Salmonellosis?