Directions: Each item in this section has a sentence with three underlined parts labelled as (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response on the answer sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A guarded approach(a)/is needed for restrict(b)/another wave of any pandemic(c)No Error(d). 

The correct answer is "is needed for restrict".

Key Points

•  In the given sentence, the error is present in 3rd part usage of preposition 'for' is not appropriate here.
• "To" should be used in place of the word "for" to make the sentence grammatically correct.  
  • In preposition, For is used to indicate any purpose, goal, destination.
    • Example - He is leaving for America tomorrow.

                                                The police is for our safety.

• Preposition "To" is used for  is used as an infinitive (to + V1) of purpose to mean 'in order to'
  • ​Example - We should do hard work to get more money.

​ Correct Sentence: A guarded approach is needed to restrict another wave of any pandemic.