The branch of biology dealing with the process of improvement of human race by selective breeding is called

In Computed Tomography $(CT)$,......... rays are used to obtain a ......... image of the internal structure of a specific organ.

An $X-ray$ of the lower abdomen shows a shadow in the region of the ureter suspected to be an ureteric calculus. $A$ possible clinical symptom would be

Provide the full names for the following abbreviations:
$(i)$ $NIOH$
$(ii)$ $GGCL$

The electrode of a pacemaker comprises a fine metallic spring ensheathed in a thin layer of:

Which technique uses the body's water molecules as the bases for its images?