Morphology of Flowering Plants

Roots developed from parts of the plant other than the radicle will be called

• Adventitious Roots
• Tap root
• Fibrous Roor
• False Roots

Root hairs usually develop in which region of a typical tap root?

• Region of Maturation
• Region of Meristematic activity
• Region of Elongation
• Root cap

Pneumatophores help the plant in

• Collects more minerals from the soil
• getting oxygen from air
• holding the plant tightly to the soil
• give mechanical support to the plant

Stems in sugarcane and maize develop roots from the lower nodes of the stem meant for additional anchorage of the plant  to the soil. Name the type of root best suited from the list below.

• Prop root
• pneumatophore
• Stilt root
• haustoria

Given below is a set of four pair of modification with examples. Identify the incorrect pairing.
a) Colocasia - modified stem
b) Citrus thorn - modified leaf
c) Phylloclade of Opuntia - modified stem
d) Turnip - modified root

• a
• b
• c
• d

Which among the following is not a modified stem for storage purpose?

• Ginger
• Zaminkand
• Turmeric
• Sweet potato

What is common between the thorn of Bougainvillea and tendril of cucurbits (cucumber, pumpkin)? Select the most appropriate answer.

• They have nothing in common
• Both grow on stems
• Both are modified axillary buds
• Both are modified leaves

In some leguminous plants the leaf base becomes swollen  which is called 

• leaf sheath
• bulbil
• thalamus
• Pulvinus

A  typical leaf consists of three main parts

• petiole, leaf margin and lamina
• leaf base, petiole and lamina
• leaf base, leaf apex and lamina
• leaf apex, petiole and lamina

If more than two leaves arise at nodes, the phyllotaxy is which type?

• Alternate
• Whorled
• Opposite superposed
• Opposite Decussate