Morphology of Flowering Plants

Sweet potato is a modified

1. adventitious root
2. rhizome
3. stem
4. taproot

Pneumatophores occur in

1. halophytes
2. free-floating hydrophytes
3. carnivorous plants
4. submerged hydrophytes

Coconut fruit is a

1. berry
2. nut
3. capsule
4. drupe

In Bougainvillea, thorns are the modifications of

1. adventitious root
2. stem
3. leaf
4. stipules

Root hairs develop from the region of :

1. Meristematic activity
2. Root cap
3. Maturation
4. Elongation

Which of the following is not a stem modification?

1. Tendrils of cucumber
2. Flattened structures of Opuntia
3. Pitcher of Nepenthes
4. Thorns of Citrus

Stems modified into flat green organs performing the functions of leaves are known as

1. phylloclades
2. scales
3. cladodes
4. phyllodes.

Cotyledon of maize grain is called

1. coleoptile
2. scutellum
3. plumule
4. coleorhiza.

Tricarpellary, syncarpous gynoecium is found in flowers of

1. Fabaceae
2. Poaceae
3. Liliaceae
4. Solanaceae

The standard petal of a papilionaceous corolla is also called

1. vexillum
2. corona
3. carina
4. pappus.