Identify the part of the seed from the given figure which is destined to form root when the seed germinates.

In a seed, the part that forms the root during germination is called the radicle, which is located at the base of the embryo. From the given figure, the part labeled C corresponds to the radicle.
\[ \begin{array}{|c|c|} \hline \textbf{Seed Part} & \textbf{Function} \\ \hline \text{Radicle (C)} & \text{Develops into the root} \\ \text{Plumule} & \text{Develops into the shoot} \\ \text{Cotyledons} & \text{Store food for the developing seedling} \\ \hline \end{array} \]
Thus, the correct answer is (3) C.
Predict the major product $ P $ in the following sequence of reactions:
(i) HBr, benzoyl peroxide
(ii) KCN
(iii) Na(Hg), $C_{2}H_{5}OH$
Consider a water tank shown in the figure. It has one wall at \(x = L\) and can be taken to be very wide in the z direction. When filled with a liquid of surface tension \(S\) and density \( \rho \), the liquid surface makes angle \( \theta_0 \) (\( \theta_0 < < 1 \)) with the x-axis at \(x = L\). If \(y(x)\) is the height of the surface then the equation for \(y(x)\) is: (take \(g\) as the acceleration due to gravity) 
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is: