Choose the correct option for the given features:
$(a)$ Bisexual flower
$(b)$ Zygomorphic flower
$(c)$ Imbricate aestivation

Describe the floral characters of the family $Solanaceae$.

What is the family of the tapioca plant?

Brinjal,tobacco,potato,and tomato show similarities due to which of the following?

Given below are a few floral formulae of some well-known plants. Identify the families and describe the floral diagrams for these formulae.
$(i)$ $\oplus \, K_{(5)} \, C_{(5)} \, A_{5} \, \underline{G}_{(2)}$
$(ii)$ $\% \, K_{(5)} \, C_{1+2+(2)} \, A_{(9)+1} \, \underline{G}_{1}$
$(iii)$ $\oplus \, K_{5} \, C_{5} \, A_{5+5} \, \underline{G}_{(5)}$

The family characterized by the presence of root nodules is ........