Question

A few tomato seeds were placed in three pots A, B, and C containing soil. The pots were watered regularly and following were mixed with the soil in the respective pots.
$$\begin{array}{cc}\text{Pot}& \text{Source of Nutrients}\\ \text{A}& \text{Urea}\\ \text{B}& \text{Nil}\\ \text{C}& \text{Cow Dung}\end{array}$$
Which of the following is observed after 10 days?

Answer 1