Questions

_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.

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.

She has finished writing the article, ______

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.

Gate crasher

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

With a blood test, a physician was able to ___________ the woman's pregnancy.

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

The insecticide is very powerful and can kill a wide ___________ of insects.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The news (had appeared) irrelevant at that time, but now it directly affects us.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Cross that bridge when you come to it.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Stab someone in the back