State PCS PYQPrelims 2025

BPSC – Combined Competitive Examination · வினா 1

In the following question, out of four words given below, three are alike in some manner and the fourth word is different. Find the different one.

  1. MICROSCOPE
  2. TELESCOPE
  3. STETHOSCOPE
  4. PERISCOPE
விடையைக் காட்டு & விளக்கம்

விடை: (C) STETHOSCOPE

விளக்கம்

Microscope, telescope and periscope are optical instruments for seeing; the stethoscope is for hearing.

  • (A) தவறு

    Wrong: a microscope is an instrument for seeing (magnifying small objects).

  • (B) தவறு

    Wrong: a telescope is an instrument for seeing distant objects.

  • (C) சரி

    Correct: a stethoscope is used for hearing body sounds; the other three are used for seeing.

  • (D) தவறு

    Wrong: a periscope is an instrument for seeing over or around obstacles.