Direction: In the following quesions, some of the sentences have errors and some have none. Find out which part of a sentence has an error and select to the appropriate number (1, 2, 3). If there is No error, select the number ‘4’.
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					 Solve the question according to given instruction
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                        - Lasers are
- indispensable tools
- for the delicate eyes surgery.
- No error
 
Correct Option: C
eye will replace eyes. 
eye – surgery is the right phrase that should be used. 
We can also use ocular – surgery. 
ocular : connected with the eyes. 
Hence, for the delicate eye-surgery is the right usage. 
 
	