Questions

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.
I have been _____ this problem since noon.

In which month does the Earth's Perihelion position occur?

Which river does not form a delta?

Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?

Fixed Foreign Exchange Rate can be changed by

Which is the CORRECT pair of inherited chromosomes for the child to be a girl?

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 did I come out of my home to go to market (1)/ when it started raining heavily (2)/ which drenched me completely. (3)/ No Error (4)

In the nature versus nurture debate sociologists claim that