Biology : Morphology of Flowering Plants

In Dianthus, placentation is

• Basal

• Free central

• Axile

• Marginal

Coffee and quinine are obtained from the

• Leguminosae

• Asteraceae

• Rubiaceae

• Poaceae

The material, which arrests cell division, is obtained from

• Crocus

• Colchicum

• Dalbergis

• Chysanthomum

Study the following statements and select the option with correct statements.

1. Pulvinus leaf base is present in some leguminous plants
2. In Eichhornia, the petioles expand becomes green and synthesise food.
3. Opposite phyllotaxy is seen in guava.

• I and II

• I and III

• II and III

• I, II and III

Three floral diagrams are given here. Their respective families are assigned in the answer key. Find out the families to which these diagrams belong to

• A-Liliaceae, B-Asteraceae, C-Solanaceae

• A-Asteraceae, B-Solanaceae, C-BRassicaceae

•  A-Asteraceae, B-Solanaceae, C-Asteraceae

•  A-Poaceae, B-Solanaceae, C-Asteraceae

Epigynous flowers are present in

• Mustad

• Brinjal

• China rose

• Cucumber

A fern prothallus is bisexual. If fertilisation takes place between their gametes than it is known as

• cross- fertilisation

• self- fertilisation

• isogamous

• viviparous

Catkin inflorescence is found in

• Wheat

• Oat

• Mulberry

• Fig

In Ruscus, the stem is a

• Phyllode

• Cladode

• Offset

• Sucker

The term 'keel' is used for special type of

• Sepals

• Petals

• Stamenstellen

• Carpels