Schwann cells are found around:

If the angles of a triangle are in the ratio $1: 1: 4$,then the ratio of the perimeter of the triangle to its largest side is

From which plant were haploid plants first obtained through anther culture?

Three identical square plates rotate about the axes shown in the figure in such a way that their kinetic energies are equal. Each of the rotation axes passes through the centre of the square. Then the ratio of angular speeds $\omega _1 : \omega _2 : \omega _3$ is

$A$ fair coin is tossed $100$ times. The probability of getting tails an odd number of times is

Which one of the following elements reacts with steam?