BPSC – Combined Competitive Examination · প্রশ্ন 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.
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) STETHOSCOPE
ব্যাখ্যা
Microscope, telescope and periscope are optical instruments for seeing; the stethoscope is for hearing.
- (A) ভুল
Wrong: a microscope is an instrument for seeing (magnifying small objects).
- (B) ভুল
Wrong: a telescope is an instrument for seeing distant objects.
- (C) সঠিক
Correct: a stethoscope is used for hearing body sounds; the other three are used for seeing.
- (D) ভুল
Wrong: a periscope is an instrument for seeing over or around obstacles.