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.

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.

Which one of the following substances is normally found in urine?

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.

Going by her grades the teacher is sure that she ______ the exam.

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

The nitty-gritty

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.

The manager gave her a negative feedback during her performance appraisal.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Revel in and make the most of something pleasing