Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.

The telecom growth story is a important component of the broader story of India.

The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
Sometimes I act / like a fool, and she has / to step into save me.

Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
Aid workers have delivered vast quantities of food on the refugee camps.

Parts of the following sentence have been given as options. One of them contains an error. Select the part that contains the error from the given options.
Seeds of mustard plants give us oil, and the leave are used as a vegetable.

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

Scientists believe / that many animals have / a unique languages / of their own.

Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.

The reduced air pressure on airline flights can lessen the amount of oxygen in passengers' blood for twenty-five percent.

Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.

When you are under significant stress, it is hardly to process details and nuances.

Directions: Read each sentence to find out whether there is any grammatical error or idiomatic error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (5). (Ignore errors of punctuation, if any.) 

WPI might have turned negative primarily (1)/ due to a steep decline in the prices (2)/ of non - food articles (3)/ raising vegetable prices keep food articles firm during this month. (4) / No error (5).