In a unilocular ovary with a single ovule,the placentation is

The condition that the roots of $x^3-b x^2+c x-d=0$ are in geometric progression is

Silk, honey, and lac are:

$A$ capacitor of capacitance $C_0$ is charged to a potential $V_0$ and is connected with another capacitor of capacitance $C$ as shown. After closing the switch $S$,the common potential across the two capacitors becomes $V$. The capacitance $C$ is given by

What is the order of reactivity of halogen acids with $C_2H_5OH$?

If $x \log x \frac{dy}{dx} + y = \log x^2$ and $y(e) = 0$, then $y(e^2) = $