Morphology of Flowering Plants

Whorled, simple leaves with reticulate venation are present in

1. Calotropis
2. neem
3. China rose
4. Alstonia.

Sweet potato is homologous to

1. potato
2. Colocasia
3. ginger
4. turnip.

Which one of the following figures represents the placentation in Dianthus?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Which one of the following statements is correct?

1. In tomato, fruit is a capsule.
2. Seeds of orchids have oil-rich endosperm.
3. Placentation in primrose is basal.
4. Flower of tulip is a modified shoot.

Flowers are zygomorphic in

1. mustard
2. gulmohur
3. tomato
4. Datura

The ovary is half inferior in flowers of

1. peach
2. cucumber
3. cotton
4. guava

A drupe develops in

1. mango
2. wheat
3. pea
4. tomato

The correct floral formula of chilli is

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The "eyes" of the potato tuber are

1. root buds
2. flower buds
3. shoot buds
4. axillary buds.

Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?

1. Opuntia
2. Casuarina
3. Hydrilla
4. Acacia