Morphology of Flowering Plants

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

An example of axile placentation is

1. Dianthus
2. lemon
3. marigold
4. Argemone

Cotyledons and testa respectively are edible parts in

1. walnut and tamarind
2. french bean and coconut
3. cashew nut and litchi
4. groundnut and pomegranate

An example of a seed with endosperm, perisperm, and caruncle is

1. coffee
2. lily
3. castor
4. cotton

The floral formula [figure] is that of

1. soybean
2. sunhemp
3. tobacco
4. tulip

Vegetative propagation in mint occurs by

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

The fleshy receptacle of syconus of fig encloses a number of

1. berries
2. mericarps
3. achenes
4. samaras

Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is

1. berry
2. cremocarp
3. caryopsis
4. cypsella

Replum is present in the ovary of flower of

1. sunflower
2. pea
3. lemon
4. mustard

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

1. guava
2. cucumber
3. pomegranate
4. orange

Endosperm is consumed by developing embryo in the seed of

1. pea
2. maize
3. coconut
4. castor

Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of

1. Liliaceae
2. Asteraceae
3. Brassicaceae
4. Solanaceae

Pineapple (ananas) fruit develops from

1. a multilocular monocarpellary flower
2. a unilocular polycarpellary flower
3. a multipistillate syncarpous flower
4. a cluster of compactly borne flowers on a common axis

In which of the following fruits, the edible part is the aril?

1. Litchi
2. Custard apple
3. Pomegranate
4. Orange

Which of the following represents the edible part of the fruit of litchi?

1. Mesocarp
2. Endocarp
3. Pericarp
4. Juicy aril

The ability of the Venus Flytrap to capture insects is due to

1. specialized “muscle-like” cells
2. chemical stimulation by the prey
3. a passive process requiring no special ability on the part of the plant
4. rapid turgor pressure changes.

Edible part of mango is

1. endocarp
2. receptacle
3. epicarp
4. mesocarp

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-

1. Cell division, cell enlargement, cell maturation, root cap
2. Root cap, cell division, cell enlargement, cell maturation
3. Root cap, cell division, cell maturation, cell enlargement
4. Cell division, cell maturation, cell enlargement, root cap

Juicy hair-like structures observed in the lemon fruit develop from

1. exocarp
2. mesocarp
3. endocarp
4. mesocarp and endocarp.

The aleurone layer in maize grain is specially rich in :-

1. Lipids
2. Proteins
3. Auxins
4. Starch

Geocarpic fruit is

1. potato
2. peanut
3. onion
4. garlic.

Edible part in mango is

1. mesocarp
2. epicarp
3. endocarp
4. epidermis

Choose the correct match. Bladderwort, sundew, Venus flytrap

1. Nepenthes, Dionaea, Drosera
2. Nepenthes, Utricularia, Vanda
3. Utricularia, Drosera, Dionaea
4. Dionaea, Trapa, Vanda.

Bicarpellary gynoecium and oblique ovary occurs in

1. mustard
2. banana
3. Pisum
4. brinjal

Tetradynamous conditions occur in

1. Cruciferae
2. Malvaceae
3. Solanaceae
4. Liliaceae

What is the eye of potato?

1. Axillary bud
2. Accessory bud
3. Adventitious bud
4. Apical bud