Chrysophytes,Euglenoids,Dinoflagellates,and Slime moulds are included in the kingdom:

Which of the following is not true for a eukaryotic cell?

Absolute alcohol ($100\%$ alcohol) is prepared by distilling rectified spirit over:

Which of the following is a branch of biology?

The correct statements $(s)$ about intermolecular forces is$(are)$
$(A)$ The potential energy between two point charges approaches zero more rapidly than the potential energy between a point dipole and a point charge as the distance between them approaches infinity.
$(B)$ The average potential energy of two rotating polar molecules that are separated by a distance $r$ has $1 / r^3$ dependence.
$(C)$ The dipole-induced dipole average interaction energy is independent of temperature.
$(D)$ Nonpolar molecules attract one another even though neither has a permanent dipole moment.

The value of $\sum_{n=0}^{\infty}\left(\frac{2 i}{3}\right)^n$ is