Match List-$I$ with List-$II$:

Choose the correct sentence.

In a monocarpellary ovary with a single ovule, the placentation is . . . . . . .

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Hibiscus	$(P)$ Bougainvillea spectabilis
$(2)$ Catharanthus roseus	$(Q)$ Lemon
$(3)$ Bougainvillea	$(R)$ Hibiscus rosa-sinensis
$(4)$ Citrus limon	$(S)$ Periwinkle

Match the plants in Column-$I$ with their specific floral characteristics in Column-$II$. Select the correct option.

Column-$I$	Column-$II$
$(A)$ Hibiscus	$(p)$ Thalamus disc-shaped
$(B)$ Lemon	$(q)$ Ovary inferior
$(C)$ Rose	$(r)$ Thalamus dome-shaped
$(D)$ Sunflower	$(s)$ Perianth
$(E)$ Bougainvillea	$(t)$ Thalamus cup-shaped
	$(u)$ Ovary superior

Identify the correct terms for the following analogy-based questions:
$(i)$ Sunflower : Alternate phyllotaxy :: Alstonia : ...........
$(ii)$ Datura : Actinomorphic flower :: Bean : ............