Which hormone causes stunted growth in pea?

Which of the following halogens undergoes disproportionation in water?

$A$ transverse wave is described by the equation $y = y_0 \sin 2\pi \left( ft - \frac{x}{\lambda} \right)$. The maximum particle velocity is equal to four times the wave velocity if

Intercalary meristem results in

The combination of $NAND$ gates shown in the figure is equivalent to:

Four bodies $P, Q, R$ and $S$ are projected with equal velocities having angles of projection $15^o, 30^o, 45^o$ and $60^o$ with the horizontal respectively. The body having the shortest range is