The Bird of Paradise flower is:

Colchicine:
$I.$ is obtained from $Colchicum \text{ } autumnale$
$II.$ is a cytokinesis inhibitor
$III.$ induces polyploidy
$IV.$ is obtained from $Fabaceae$ family
$V.$ Floral formula: $\oplus \text{ } \text{O} \text{ } P_{3+3} A_{3+3} G_{(3)}$
Which are the correct statements?

$A$ : There are two alae in $Pisum$ $sativum$ flower.
$R$ : Both alae are covered by the largest petal.

Choose the correct sentence.

Match the following columns based on Bentham and Hooker's classification of Polypetalae:

Column-$I$	Column-$II$
$A$. Thalamiflorae	$i$. Gynoecium always bicarpellary
$B$. Calyciflorae	$ii$. Ovary superior
$C$. Bicarpellatae	$iii$. Receptacle cup-shaped
$D$. Inferae	$iv$. Receptacle dome-shaped
$E$. Heteromerae	$v$. Ovary inferior

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