Class 12 Biology Human Health and Disease General

Medium

Why are surgical instruments boiled in water before use?

A
For killing the pathogens present on them
B
So that doctors can use them easily
C
Provides pleasure to the patient
D
All the saprophytes die on the operative surface

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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

General

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At what age is the first dose of Oral Polio Vaccine $(OPV)$ and Hepatitis-$B$ vaccine given to a child?

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