Question : What is an endoscope ?

Option 1: It is an optical instrument used to see inside the alimentary canal

Option 2: It is a device which is fitted on the chest of the patient to regularise the irregular heart beats

Option 3: It is an instrument used for examining ear disorders

Option 4: It is an instrument for recording electrical signals produced by human muscles

Question : Identify the sealed glass vacuum tube containing an electron beam that is focused on a phosphor-coated glass screen when light is emitted.

Option 1: Cathode ray tube

Option 2: Flat array tube

Option 3: Light Emitting Diode tube

Option 4: Liquid Crystal Display tube

Question : Which of the digestive organs contains acid?

Option 1: Stomach

Option 2: Small intestine

Option 3: Appendix

Option 4: Colon

Question : Identify the segment in the sentence which contains a grammatical error.

The small cafe at the end of the road is her.

Option 1: The small cafe

Option 2: at the end

Option 3: of the road

Option 4: is her

Question : The wire of flash bulb is made of:

Option 1: Copper

Option 2: Barium

Option 3: magnesium

Option 4: silver