Calotropis, tulip, Asparagus, colchicine, Petunia, mustard, tobacco have valvate aestivation while sweet pea, groundnut, soyabean, Indigofera, Sesbania have vexillary aestivation.

Correct Option: C

Calotropis, tulip, Asparagus, colchicine, Petunia, mustard, tobacco have valvate aestivation while sweet pea, groundnut, soyabean, Indigofera, Sesbania have vexillary aestivation.

Mustard (cruciferae), brinjal (solanaceae) china rose (malvaceae), lupin (leguminosae), gram (leguminosae), bean (leguminosae), chilli, Petunia, potato, tomato, Withania (solanaceae), onion, Aloe, tulip (liliaceae) have hypogynous flower while bittergourd, cucumber (cucurbitaceae), guava (myrtaceae) have epigynous flower and rose has perigynous flower.

Correct Option: B

Mustard (cruciferae), brinjal (solanaceae) china rose (malvaceae), lupin (leguminosae), gram (leguminosae), bean (leguminosae), chilli, Petunia, potato, tomato, Withania (solanaceae), onion, Aloe, tulip (liliaceae) have hypogynous flower while bittergourd, cucumber (cucurbitaceae), guava (myrtaceae) have epigynous flower and rose has perigynous flower.

If the margins of sepals or petals overlap one another but not in any particular direction as in Cassia and gulmohur, the aestivation is called imbricate.

Correct Option: B

If the margins of sepals or petals overlap one another but not in any particular direction as in Cassia and gulmohur, the aestivation is called imbricate.

In a multilocular ovary, when the placenta is axial and ovules are attached to it is known as axile placentation.

Correct Option: A

In a multilocular ovary, when the placenta is axial and ovules are attached to it is known as axile placentation.

Ovary is partly superior and partly inferior in perigynous flower.

Correct Option: C

Ovary is partly superior and partly inferior in perigynous flower.