The offspring produced from the cross between two pure parents are more vigorous and high-yielding. What is this phenomenon called?
- ASelection
- BHybridization
- CHybrid Vigor
- DMutation
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Given the circle $C$ with the equation $x^2+y^2-2x+10y-38=0$. Match the List-$I$ with the List-$II$ given below concerning $C$.
$A$. The equation of the polar of $(4, 3)$ with respect to $C$ $I$. $y + 5 = 0$ $B$. The equation of the tangent at $(9, -5)$ on $C$ $II$. $x = 1$ $C$. The equation of the normal at $(-7, -5)$ on $C$ $III$. $3x + 8y = 27$ $D$. The equation of the diameter passing through $(1, -5)$ and $(1, 3)$ $IV$. $x = 9$
| $A$. The equation of the polar of $(4, 3)$ with respect to $C$ | $I$. $y + 5 = 0$ |
| $B$. The equation of the tangent at $(9, -5)$ on $C$ | $II$. $x = 1$ |
| $C$. The equation of the normal at $(-7, -5)$ on $C$ | $III$. $3x + 8y = 27$ |
| $D$. The equation of the diameter passing through $(1, -5)$ and $(1, 3)$ | $IV$. $x = 9$ |
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