Questions

In which year was Bombay Stock Exchange (BSE) established?

Where is the commercial capital of Sri Lanka?

In which industry Potassium Nitrate is used commercially?

Telugu is the official language of _________.

The male sex organs in a flower is the __________.

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. 
Sarla changed the curtains.

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".

He refused the charge brought against him