Morphology of Flowering Plants · Question 85

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

The correct floral formula of soyabean is

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

Consider the following four statements (i), (ii), (iii) and (iv) and select the right option for two correct statements. Statements : (i) In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel. (ii) The floral formula for Liliaceae is [figure] (iii) In pea flower the stamens are monadelphous. (iv) The floral formula for Solanaceae is [figure] The correct statements are

1. (i) and (iii)
2. (i) and (ii)
3. (ii) and (iii)
4. (iii) and (iv)

Vegetative propagation in Pistia occurs by

1. stolon
2. offset
3. runner
4. sucker

Aestivation of petals in the flower of cotton is correctly shown in

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

Keel is characteristic of the flowers of

1. gulmohur
2. Cassia
3. Calotropis
4. bean

Ovary is half-inferior in the flowers of

1. guava
2. plum
3. brinjal
4. cucumber

The technical term used for the androecium in a flower of China rose ( Hibiscus rosa-sinensis) is

1. monadelphous
2. diadelphous
3. polyandrous
4. polyadelphous

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

1. Cotyledon
2. Endosperm
3. Aleurone layer
4. Plumule

A fruit developed from hypanthodium inflorescence is called

1. sorosis
2. syconus
3. caryopsis
4. hesperidium