Which of the following is not an antibiotic?

$A$ 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:

The layer of cells outside the phloem meant for giving rise to the root branches is called

Identify the mixture that shows positive deviation from Raoult's law.

The statement $\sim (p \leftrightarrow \sim q)$ is

The coefficient of $x^3 y^4 z^5$ in the expansion of $(x y+y z+x z)^6$ is