Auxospores and hormocysts are formed respectively by

The equation of the common tangent to the circle $x^2 + y^2 = 2$ and the parabola $y^2 = 8x$ is

The bond energy of $Cl_2$,$Br_2$,and $I_2$ follows the order:

The length of an elastic string is $a$ metre when the longitudinal tension is $4 \ N$ and $b$ metre when the longitudinal tension is $5 \ N$. The length of the string in metre when longitudinal tension is $9 \ N$ is

What is the catalyst used in the conversion of acetaldehyde to acetic acid?

Statement-$I$: Two lines which pass through a given fixed point and are equally inclined to two other lines passing through the same point,are always perpendicular to each other.
Statement-$II$: Angle bisectors of two intersecting lines are always perpendicular to each other.