The equation of the locus of $z$ such that $\left|\frac{z-i}{z+i}\right|=2$,where $z=x+iy$ is a complex number,is
- A$3x^2+3y^2+10y-3=0$
- B$3x^2+3y^2+10y+3=0$
- C$3x^2-3y^2-10y-3=0$
- D$x^2+y^2-5y+3=0$
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Match the following:
Column-$I$ Column-$II$ $1$. Pituitary gland $p$. Trachea $2$. Thyroid gland $q$. Bony cavity (Sella tursica) $3$. Thymus $r$. Anterior part of kidney $4$. Adrenal glands $s$. Dorsal side of the heart and aorta
| Column-$I$ | Column-$II$ |
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| $4$. Adrenal glands | $s$. Dorsal side of the heart and aorta |
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