The shedding of leaves,flowers,or fruits due to a change in the hormonal balance in a plant is referred to as:

$A$ vertical pole consists of two parts,the lower part being one-third of the whole. At a point in the horizontal plane through the base of the pole and at a distance of $20 \ m$ from it,the upper part of the pole subtends an angle whose tangent is $\frac{1}{2}$. The possible heights of the pole are:

Which of the following key factors makes a plasmid a suitable vector in genetic engineering?

$A$ charged particle moves through a magnetic field in a direction perpendicular to it. Then the

The correct order of dipole moment is

The combined equation of the diagonals of the square formed by the two pairs of straight lines given by $xy+4x-3y-12=0$ and $xy-3x+4y-12=0$ is